How to Read Iis Logs 401 Codes Sub Status Codes

What are HTTP status codes?

HTTP condition codes are three-digit responses from the server to the browser-side request. Everyone has probably gotten the classic 404 page-not-constitute error. That is an HTTP customer error condition code and there are a lot more than of them.

These status codes (also called response status codes) serve as a means of communication between the server and the internet browser and there are multiple code classes based on the type of information they are communicating. The differences in classes are indicated through the showtime digit of the error code, for example: merely similar a 404, any other 4xx volition mean that in some way the page or website could not be reached, while a 2xx means that your request was successfully completed.

How are HTTP status codes categorized?

HTTP status codes are carve up into v different categories. Each category volition give you hints as to what the response was, fifty-fifty if you don't know the specific response lawmaking.

For an explanation of each category - and each individual status code - click on the corresponding link below or go to our complete list of HTTP condition codes.

  • 1xx - Advisory: The server has received the asking and is standing the process
  • 2xx - Successful: The asking was successful and the browser has received the expected data
  • 3xx (Redirection): You accept been redirected and the completion of the request requires further action
  • 4xx (Client Error): The website or the folio could not be reached, either the folio is unavailable or the request contains bad syntax
  • 5xx (Server Error): While the request appears to exist valid, the server could not complete the request
Woman with a thought bubble

Complete list of HTTP Status Codes

Status lawmaking Meaning
1xx Informational
100 Proceed
101 Switching protocols
102 Processing
103 Early Hints
2xx Succesful
200 OK
201 Created
202 Accepted
203 Not-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
208 Already Reported
226 IM Used
3xx Redirection
300 Multiple Choices
301 Moved Permanently
302 Found (Previously "Moved Temporarily")
303 See Other
304 Not Modified
305 Use Proxy
306 Switch Proxy
307 Temporary Redirect
308 Permanent Redirect
4xx Customer Fault
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Non Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload Too Large
414 URI Too Long
415 Unsupported Media Blazon
416 Range Not Satisfiable
417 Expectation Failed
418 I'm a Teapot
421 Misdirected Request
422 Unprocessable Entity
423 Locked
424 Failed Dependency
425 Too Early
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Big
451 Unavailable For Legal Reasons
5xx Server Error
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Bereft Storage
508 Loop Detected
510 Not Extended
511 Network Authentication Required

HTTP Condition Codes explained individually

In some cases a HTTP response code might exist descriptive enough to understand its significant. 200 OK probably ways that everything went okay. But what about a 103 Early on Hints, 205 Reset Content and 305 Use Proxy?

Below is an explanation for all 63 condition codes, sorted in the five overall categories.

What does a 1xx Informational condition lawmaking mean?

A 1xx Informational condition code means that the server has received the request and is continuing the process. A 1xx condition lawmaking is purely temporary and is given while the asking processing continues. For most tasks you won't encounter these much, as it's not the final response to the asking.

  • 100 Continue
  • 101 Switching protocols
  • 102 Processing
  • 103 Early Hints

What does 100 Continue mean?

The 100 Continue status lawmaking ways that the initial office of the request has been received past the server and that the customer should go along with the asking or ignore the response if the request has already finished.

What does 101 Switching protocols hateful?

The 101 Switching protocols status code means that the server understands the Upgrade header field request and indicates which protocol it is switching to.

What does 102 Processing mean?

The 102 Processing status code ways that the server has accepted the full request but has not all the same completed it and no response is available as of yet.

What does 103 Early Hints mean?

The 103 Early hints status code is intended to be used to allow the user agent to preload resources, while the server prepares a response. It is intended to be primarily used with the Link Header.

What does a 2xx Succesful status code hateful?

A 2xx Succesful status code means that the request was successful and the browser has received the expected data. This is generally the one you want to run across, as information technology means that the request was a success and has been received, understood and accustomed it. As a website possessor y'all should make sure that all pages and resource (images, videos, etc.) all return a 2xx status code. This means that browsers can reach information technology successfully and that your website visitors tin see and use your website.

  • 200 OK
  • 201 Created
  • 202 Accustomed
  • 203 Non-Authoritative Information
  • 204 No Content
  • 205 Reset Content
  • 206 Partial Content
  • 207 Multi-Condition
  • 208 Already Reported
  • 226 IM Used

What does 200 OK mean?

The 200 OK status lawmaking means that the request was successful, simply the meaning of success depends on the asking method used:

  • GET: The requested resources has been fetched and transmitted to the message body.
  • Head: The header fields from the requested resources are sent in without the message body.
  • Mail service or PUT: A clarification of the upshot of the action is transmitted to the message body.
  • TRACE: The request messages, as received by the server, will be included in the bulletin trunk

When looking at things SEO-wise the 200 OK response code is the perfect status code for a functioning page, all the linked pages are working as they should. A 200 will mean that search engine crawlers tin can successfully crawl the page and it will be put into their search alphabetize.

What does 201 Created mean?

The 201 Created condition code ways that the asking was successfully fulfilled and resulted in ane or possibly multiple new resource being created.

What does 202 Accepted hateful?

The 202 Accustomed status code ways that the asking has been accustomed for processing, but the processing has not been finished even so. The asking may or may non be completed when the processing somewhen takes identify.

The 203 Non-Administrative Information condition code means that the asking was successful. All the same, the meta-information that has been received is dissimilar from the i on the origin server and has instead been nerveless from a 3rd political party or local copy. When not used for backups or mirrors of some other resource a 200 OK response is preferable.

What does 204 No Content mean?

The 204 No Content status code means that while the server has successfully fulfilled the asking, there is no bachelor content for this asking. But the user agent might desire to update its currently cached headers for this resource, for the new ane.

What does 205 Reset Content hateful?

The 205 Reset Content status code means that the user should reset the document that sent this request.

What does 206 Partial Content mean?

The 206 Partial Content response lawmaking is a response to a Range header sent from the client when requesting only a role of the resource.

What does 207 Multi-Status mean?

The 207 Multi-Condition status code conveys information virtually multiple resources, in situation when multiple status codes are advisable.

What does 208 Already Reported mean?

The 208 Already Reported status code is used within the response element DAV: propstat, in club to avoid enumerating the internal members of multiple bindings to the aforementioned collection repeatedly.

What does 226 IM Used mean?

The 226 IM response code means that the server has successfully fulfilled a GET request for the resource, and the response is a representation of the result of ane or multiple instance-manipulations applied to the current instance.

What does a 3xx Redirection lawmaking mean?

A 3xx Redirection status code means that you have been redirected and the completion of the request requires further activeness. Redirects are a natural function of the internet and you lot shouldn't be scared to have 3xx redirect condition codes on your website. A redirect means that the request was received successfully, but that the resource was constitute elsewhere. If a webpage has inverse path and you try to access it through the old path, your CMS will often redirect the user to the new path. Ultimately the request will end in a 2xx success, but first it must go through the 3xx redirection.

  • 300 Multiple Choices
  • 301 Moved Permanently
  • 302 Institute (Previously "Moved temporarily")
  • 303 See Other
  • 304 Non Modified
  • 305 Apply Proxy
  • 306 Switch Proxy
  • 307 Temporary Redirect
  • 308 Permanent Redirect

What does 300 Multiple Choices mean?

The 300 Multiple Choices condition code ways that the request has multiple possible responses and the user/user agent should choose one.

What does 301 Moved Permanently mean?

The 301 Moved Permanently response code ways that the target resource has been assigned a new permanent URL and whatever references to this resources in the future should use one of the URLs included in the response.

When looking at things SEO-wise the 301 Permanent Redirect should exist used every time a URL is moved permanently. This redirect passes your current link disinterestedness from your content to the new URL. Links that result in a status code 301 does give slightly less link disinterestedness than 200. So if you lot have a lot of links going through a 301 Permanent Redirect information technology is advised to gear up these, if possible.

What does 302 Constitute (Previously "Moved temporarily") hateful?

The 302 Found status lawmaking, previously known as "Moved temporarily", ways that the URI of the request has been changed temporarily, and since changes can be made to the URI in the time to come, the effective request URI should be used for future requests.

When looking at things SEO-wise the 302 Found should just exist used when making temporary changes every bit it does non pass the link equity the same way as a 301. If the page is not going to come back yous should ever utilise 301.

What does 303 See Other mean?

The 303 See Other response lawmaking is sent by the server in society to straight the client to become the requested resource at another URI with a Go request.

What does 304 Not Modified mean?

The 304 Not Modified response code informs the client that the response has non been modified. This means that the client tin continue to use the already present, cached version of the response.

What does 305 Use Proxy hateful?

The 305 Use Proxy status code instructs a client that information technology should connect to a proxy and and so repeat the aforementioned asking at that place. This response code is deprecated due to security concerns.

What does 306 Switch Proxy mean?

The 306 Switch proxy condition code is no longer in apply. It was used to inform the client that the subsequent requests should utilize the specified proxy.

What does 307 Temporary Redirect mean?

The 307 Temporary Redirect condition code gets sent by the server in order to direct the customer to the requested resource at another URI. The asking method, however, must not be changed.

What does 308 Permanent Redirect mean?

The 308 Permanent Redirect status lawmaking means that the requested resource has been permanently assigned a new URI and future references to the resource should be made past using one of the enclosed URIs.

What does a 4xx Client Error mean?

A 4xx Customer Error status lawmaking ways that the website or the page could not be reached and either the folio is unavailable or the request contains bad syntax. As a website owner you should do your all-time to avert these, equally it means your users will not find what they're looking for. This tin be either pages that are no longer institute and are either temporarily or permanently gone. As well giving a bad user experience, it can too hurt your SEO efforts.

  • 400 Bad Request
  • 401 Unauthorized
  • 402 Payment Required
  • 403 Forbidden
  • 404 Non Establish
  • 405 Method Not Allowed
  • 406 Not Acceptable
  • 407 Proxy Authentication Required
  • 408 Request Timeout
  • 409 Conflict
  • 410 Gone
  • 411 Length Required
  • 412 Precondition Failed
  • 413 Payload Besides Large
  • 414 URI Too Long
  • 415 Unsupported Media Type
  • 416 Range Not Satisfiable
  • 417 Expectation Failed
  • 418 I'g a Teapot
  • 421 Misdirected Request
  • 422 Unprocessable Entity
  • 423 Locked
  • 424 Failed Dependency
  • 425 Likewise Early
  • 426 Upgrade Required
  • 428 Precondition Required
  • 429 Likewise Many Requests
  • 431 Asking Header Fields Also Large
  • 451 Unavailable For Legal Reasons

What does 400 Bad Request mean?

The 400 Bad Asking condition lawmaking means that the server could non sympathize the asking because of invalid syntax.

What does 401 Unauthorized hateful?

The 401 Unauthorized status code means that the request has not been practical because the server requires user hallmark.

What does 402 Payment Required mean?

The 402 Payment Required status code is a response reserved for hereafter employ. Information technology was originally created to exist implemented in digital payment systems, notwithstanding, information technology is rarely used and a standard convention of using it does not exist.

What does 403 Forbidden mean?

The 403 Forbidden status lawmaking means that the client request has been rejected because the client does not have rights to access the content. Dissimilar a 401 error, the client's identity is known to the server, simply since they are not authorized to view the content, giving the proper response is rejected by the server.

What does error 404 mean?

The 404 Non Establish status lawmaking ways that the server either did not find a electric current representation for the requested resource or is trying to hide its beingness from an unauthorized client.

When looking at things SEO-wise the 404 Not Found status code pages with a high volume of traffic should be redirected using a 301 to the most relevant page possible. For some pages, however, a 404 might be necessary, for example, if the product is out of stock for an extended period of time. If you take external links pointing to a page that returns 404, you will lose the link equity those links would otherwise give.

If you need to fix 404 errors, jump to this section.

What does 405 Method Non Allowed hateful?

The 405 Method Not Immune status lawmaking means that while the server knows the request method, the method has been disabled and can not be used.

What does 406 Not Adequate mean?

The 406 Non Acceptable status code is sent by the server when it does not find whatsoever content following the criteria given by the user agent.

What does 407 Proxy Authentication Required mean?

The 407 Proxy Authentication Required condition lawmaking means that the customer must first be authenticated past a proxy (similar to a 401).

What does 408 Request Timeout mean?

The 408 Request Timeout status code means that the server did not receive a complete request in the time that information technology prepared to wait.

What does 409 Conflict hateful?

The 409 Conflict status code means that the request could not be fulfilled due to a conflict with the current state of the target resource and is used in situations where the user might exist able to resubmit the asking after resolving the conflict.

What does 410 Gone mean?

The 410 Gone status lawmaking ways that the target resources has been deleted and the condition seems to be permanent.

When looking at things SEO-wise the 410 Gone status code is a more permanent version a 404. The page volition no longer exist available from the server and has no forwarding accost available. If y'all desire to completely remove a page from Googles search alphabetize, then using 410 on a page is the proper way of doing information technology (instead of but 404).

What does 411 Length Required mean?

The 411 Length Required status code ways that the server has rejected the request because it requires the Content-Length header field to exist defined.

What does 412 Precondition Failed mean?

The 412 Precondition Failed status lawmaking means the server does not meet one or multiple preconditions that were indicated in the request header fields.

What does 413 Payload Too Large mean?

The 413 Payload Too Large condition code means the server refuses to procedure the request considering the request payload is larger than the server is able or willing to process. While the server may close the connection to forestall the customer from continuing the request, information technology should generate a Retry-After header field and later on how long tin the client retry.

What does 414 URI Too Long mean?

The 414 URI Too Long status code means that the server is refusing to service the asking because the request-target was longer than the server was willing to translate.

What does 415 Unsupported Media Type mean?

The 415 Unsupported Media Type status code means that the server is rejecting the request because information technology does not back up the media format of the requested data.

What does 416 Range Not Satisfiable hateful?

The 416 Range Not Satisfiable status code ways that the range specified in the Range header field of the request tin't be fulfilled. The reason might be that the given range is outside the size of the target URI'due south information.

What does 417 Expectation Failed mean?

The 417 Expectation Failed status code ways that the Expectation indicated by the Await request-header field could non be met by the server.

What does 418 I'k a Teapot mean?

The 418 I'yard a Teapot status code means that the server refuses to brew coffee because it is, in fact, a teapot. (It is a reference to a 1998 April Fools' joke called ''Hyper Text Coffee Pot Control Protocol'').

What does 421 Misdirected Request mean?

The 421 Misdirected Request status code ways that the client asking was directed at a server that is not configured to produce a response.

What does 422 Unprocessable Entity mean?

The 422 Unprocessable Entity status code ways that while the request was well-formed, the server was unable to follow information technology, due to semantic errors.

What does 423 Locked mean?

The 423 Locked condition code means that the resource that is beingness accessed is locked.

What does 424 Failed Dependency mean?

The 424 Failed Dependency status code means that the request failed due to the failure of a previous request.

What does 425 Besides Early hateful?

The 425 Too Early status code means that the server is non willing to risk processing a request that might be replayed.

What does 426 Upgrade Required hateful?

The 426 Upgrade Required status code ways that while the server refuses to perform the given asking using the current protocol, it might be willing to do so after the client has been upgraded to a different protocol.

What does 428 Precondition Required hateful?

The 428 Precondition Required status code means that the origin server requires the asking to exist conditional.

What does 429 Too Many Requests hateful?

The 429 Besides Many Requests response code means that in the given time, the user has sent too many requests.

The 431 Request Header Fields As well Large means that the server is non willing to procedure the request considering its header fields are indeed too big, however, the request may be submitted once more one time the size of the request header fields is reduced.

The 451 Unavailable For Legal Reasons response code means that the user has requested an illegal resource (such as pages and sites blocked by the regime).

What does a 5xx Server error hateful?

A 5xx Server error status code ways that while the request appears to be valid, the server could not complete the request. If you're experiencing 5xx server errors for your website, you should immediately expect at your server. If you're hosting your own server yous'll demand to start debugging to figure out why it is not responding properly. If you're using an external hosting provider y'all'll need to accomplish out to them, so they can look at it.

  • 500 Internal Server Error
  • 501 Not Implemented
  • 502 Bad Gateway
  • 503 Service Unavailable
  • 504 Gateway Timeout
  • 505 HTTP Version Not Supported
  • 506 Variant Also Negotiates
  • 507 Bereft Storage
  • 508 Loop Detected
  • 510 Not Extended
  • 511 Network Authentication Required

What does 500 Internal Server Mistake mean?

The 500 Internal Server Error status code means that the server has encountered a situation that information technology does not know how to handle.

When looking at things SEO-wise the 500 Internal Server Error indicates a problem with the server, non the actual availability of the content. Since bots and users volition both be lost, the link equity will go downward fast.

What does 501 Not Implemented mean?

The 501 Non Implemented response code means that the request can not be handled because it is not supported by the server.

What does 502 Bad Gateway mean?

The 502 Bad Gateway response code means that the server received an invalid response while working as a gateway to handle the response.

What does 503 Service Unavailable mean?

The 503 Service Unavailable response lawmaking means that the server is currently not set up to handle the request. This is a common occurrence when the server is down for maintenance or is overloaded.

When looking at things SEO-wise the 503 Service Unavailable status code means that the server is unavailable and the visitor, bot or human, is asked to return again at a later fourth dimension. This could exist because of either server maintenance or server overload and search engines know to come back and cheque the availability later.

If y'all want to fix 503 errors, jump to this section.

What does 504 Gateway Timeout hateful?

The 504 Gateway Timeout response code means that the server interim as a gateway could not become a response fourth dimension.

What does 505 HTTP Version Non Supported mean?

The 505 HTTP Version Not Supported response code means that the version of HTTP used in the request is not supported by the server.

What does 506 Variant Also Negotiates mean?

The 506 Variant Likewise Negotiates response code means that the server has the following internal configuration error: The chosen variant resource is configured to engage in transparent negotiation itself, therefore it cannot be a proper endpoint in the negotiation process.

What does 507 Insufficient Storage mean?

The 507 Insufficient Storage status code means that the method could not exist performed on the resource because the server is not able to store the representation that would be needed to complete the request successfully.

What does 508 Loop Detected mean?

The 508 Loop Detected response code means that the server has detected an space loop while processing the asking.

What does 510 Non Extended mean?

The 510 Not Extended response code ways that further extensions are required for the server to exist able to fulfil the request.

What does 511 Network Authentication Required mean?

The 511 Network Authentication Required response lawmaking indicates that the client needs to authenticate to proceeds network access.

HTTP Condition Codes & SEO: Here are the ones you need to know

If you want dandy results with your SEO it's important to piece of work with technical SEO. A big function of that is handling response codes on your website to ensure that the website is properly crawled past Googlebot and that your content returns the proper response lawmaking when it is requested.

Below are the 5 condition codes that you demand to know as an SEO.

Browser with Umbraco logo icon

200 OK & SEO

This is the goal for 99 % of your content (pages, media, etc.): a successful status lawmaking that means everything works like it should. This is critical to a well-performance website and for a cracking user experience.

It besides gives you the reassurance that all external pointing to your website will give you lot link value. If all of your content returns a 200 OK status code you can residue assured that your website is working and is properly attainable for crawlers and visitors alike.

301 Moved Permanently & SEO

In a perfect world all of your content volition stay on the aforementioned URL and always respond with a 200 OK. Merely that'south rarely how information technology works in the existent world when managing a website.

If a page has changed its URL y'all volition need to set a redirect to send users and bots from the sometime URL to the new URL. Otherwise they will be met by a 404 folio (meet explanation below). In some content management systems, automated redirect is a built-in SEO characteristic, while in others you'll have to manually prepare information technology upward.

Y'all should apply 301 redirects if the page is permanently gone and will non come up back. This is the example for pages that have changed their URL or content that has been deleted.

If something is gone, instead of simply moved, y'all can either let it become a 404 or choose to redirect it to something similar on your website. This could be a product that you're no longer going to sell, where it can make sense to redirect that page to the category page instead.

302 Found & SEO

What if the page is only gone temporarily, just will come back again later? To give a adept user experience you don't desire it to become a 404 page and you lot also don't desire to make a permanent 301 redirect.

The solution is to use 302 Found instead of a 301. To the user it will be the aforementioned, but to search engine crawlers and bots, it will tell them to check back afterwards on, as this redirect is only temporary. That means the erstwhile URL will keep its value while it's gone.

This is perfect for pages that will only be unavailable temporarily. An example could be a sold-out product which is removed from the website until information technology is back in stock. In that case you want to make use of a 302 Plant temporary redirect. In one case the product is back online, you remove the redirect and the page will have kept its value (and expert rankings in search engines).

Note that if the 302 redirect is there for also long, Google will consider it a 301 permanent redirect instead.

404 Not Establish & SEO

If a page is no longer institute it will event in a 404 page (psst, here's some tips on how to brand a great 404 page). This means, that the server tells users, crawlers and bots that the page they were looking for is non found.

These are important to keep an eye on, as they can hurt your SEO a lot if not monitored and fixed.

Firstly, if a folio returns a 404 it won't be shown in Google's search results. While information technology won't get removed instantly, it will be after a brusk period of time, if non fixed. And then if any of the pages that requite y'all organic traffic end upwardly returning a 404 error, yous need to fix it quickly. Meet some tips on how to fix 404 errors here.

Secondly, if the folio had whatsoever external links pointing to it, they volition no longer give any value to your website. And so even if the folio does not receive whatever organic traffic, it can injure your SEO performance.

The easiest manner to set this problem is to gear up a 301 redirect. This will give a better user experience and will pass most of the link value from external links to the new folio yous're redirecting to.

410 Gone & SEO

What if you lot really want a page to completely disappear from Google'southward search engine index? Information technology might exist intuitive to simply let it return a 404 fault, but at that place's one caveat with that:

404 does not tell crawlers and bots why the page was non institute. For that reason, Google all the same might proceed thinking that the folio is there, even if information technology encounters a 404 mistake. In virtually cases this is fine, just there'due south one case where yous desire to make it crystal clear that the content is gone. And that's if you lot accept been hacked and malicious content has been added to your website.

Afterwards doing cleanup it'south not enough to let the URLs return 404. Instead you lot should make sure that they render the 410 Gone condition code. This clearly tells crawlers and bots that the page is gone for good and that they should remove it from their index.

5xx Server errors & SEO

The last one is not directly SEO-related, but more of a expert tip for troubleshooting your website.

If you come across whatever response code that start with 5xx, y'all should instantly know that it is a server error. This will aid you lot profoundly when it comes to troubleshooting and fixing information technology.

Instead of wasting time trying to set the problem through your CMS backend or elsewhere, you can go straight to fixing the server. No matter if yous practice your ain hosting or if you use a hosting provider, it is helpful to know that it's related to the server, not your website.

How to check the HTTP status lawmaking of a page

Finding the server response code for a page can be done manually in your browser or by using various tools and website crawlers.

Depending on the browser you're using it is slightly different. Below is how to do information technology in Chrome (most steps will be like in other browsers).

Checking HTTP condition code in Chrome

  1. Open the URL your want to check with your browser
  2. Open up the Programmer tab (F12) and go to the "Network" tab
  3. Refresh the page
  4. Scroll to the tiptop of the list of requests and notice the first of type "document"
  5. In "Condition" you tin at present find the HTTP response code

Find HTTP status code in Chrome

How to fix 404 errors

If y'all have seen the status code 404 Page Not plant you might have been thinking "What does error 404 hateful?"

HTTP condition code 404 ways "Page Non Found". This means that the request y'all sent was received by the server, simply information technology could non find the page you were looking for.

So to prepare the 404 error you outset demand to find the cause for it, which can be due to many things. But since you know that the server is reachable (otherwise it would have returned a 5xx error), you know that the mistake is client-side. Basically that means it's your error (not every bit harsh every bit it sounds).

Luckily information technology means that y'all can also set the error on your stop without having to debugging your server or reaching out to your hosting provider.

Fix 404 errors

Run through this checklist to ready the 404 fault:

  1. Refresh the page. It might seem simple, but a 404 error could have just been a temporary upshot that is fixed simply by trying over again.
  2. Check the URL you lot typed in. Did you make a mistake somewhere? If the URL yous typed is not exactly right a 404 is to be expected (unless a 3xx redirect is fix)
  3. If no mistake was fabricated, attempt once again from a different device like your mobile phone or tablet. If it works from a different device information technology'south most likely due to browser cache and cookies. Clear the browser cache and delete cookies, so try to access the page once again.

If none of the above tricks worked, it's likely that the piece of content was deleted or some other way moved. If the content was moved, which caused it to change URL, then y'all should make sure to prepare a redirect that points from the one-time URL to the new one. That way you lot're sure that anyone looking for the page can however observe it.

If it was deleted, then a 404 mistake is the right response every bit the page truly was non found on your website and everything is working every bit information technology should.

If you see a lot of your visitors ending up on this folio, so it's nearly likely due to i of 3 things:

  1. Y'all have an internal link on your website pointing to the folio. If that's the case, y'all should remove (or change) this link and so it no longer points to a page that is non found.
  2. External websites link to the page. This is trickier as you can't just alter information technology (although yous tin can reach out to the websites and enquire them to change it). A more elementary matter for y'all to exercise would exist to add a 301 redirect and point from the page to a different folio on your website. That way you lead people to a page that is working, while also being a SEO-friendly option.
  3. The page is still showing up in Google'southward search results and sending traffic to your website. While this is usually curt-lived, information technology is possible that a 404 page tin can stay in the search results for a while, as a 404 does not tell Googlebot whether the page is temporarily or permanently missing. If this is happening, you'll need to go the page back chop-chop or redirect it to a dissimilar page, and then you won't lose your rankings in Google.

Find 404 pages Google Analytics

Have you always wondered if there'due south a manner to find 404 pages in Google Analytics?

Well, the good news is, there are means to find them inside your analytics setup. Now this can sometimes come downward to how your website is configured. Ane way to notice them is to cheque by folio championship - Your 404 page will very likely have "404" or "Page not found" in the title. It's very easy to find the 404 page this manner:

  • Within your analytics tool, go to behavior → Site Content → All Pages.
  • Now you lot can set your main dimension to Folio title and search for  "404" or "Page not Plant".
  • And now - you should hopefully take your 404 report.

Now this is not the only way to set it up, merely at that place is a very proficient hazard that you can notice the pages this manner.

Fix 503 errors

How to fix 503 errors

The 503 response lawmaking means "Service Unavailable" and happens when a server is currently not ready to handle the asking. This can be either due to the server being down for maintenance or if information technology is overloaded.

If this error occurs on your own website, you demand to have a look at your server, equally something is making it unable to process the requests made.

Unfortunately it's not always easy and simple to fix. A 503 response code can exist due to many things, but at least you know it'south server-related and not customer-side similar with a 404 error.

Hither's a list of steps you lot tin go through to identify and fix a 503 error:

  1. Is your website still running and receiving traffic? Cheque your Analytics tools or server logs to see if other visitors are getting through to your website.
  2. If it's no longer receiving traffic your server might exist nether maintenance or have crashed. If it'south under maintenance and so a 503 is to be expected and everything volition work fine in one case information technology's done. If it crashed you should attempt restarting it.
  3. If you lot're receiving huge amounts of website traffic, the server is most likely overloaded and returning 503 errors because it doesn't have the resources to keep up. Before fixing such an issue you need to identify it the traffic is from real visitors or if you're the victim of a DoS or DDoS attack.
  4. Identifying a DoS or DDoS assail can be hard, merely the near effective ways are:
    1. Checking if one or more IP addresses make a lot of requests
    2. The TTL (fourth dimension to alive) on a ping request times out
    3. Analyzing the server logs and seeing huge spikes in traffic
  5. If information technology looks to be a DoS or DDoS set on, you'll need to employ 1 or more defense techniques to finish the attack.
  6. If it is not a DoS or DDoS attack, then your website has most probable become more popular than your server tin can handle. The best mode to prepare such an issue is to look at connection limits, bandwidth throttling, system resources, neglect-safes that might have triggered or anything that might be limiting server performance. Essentially you'll demand to upgrade your server and then information technology has the proper resources to handle the traffic.

The above listing is not bad for troubleshooting one-off 503 errors. But if it happens on a regular basis, and so it might exist a more permanent trouble with your server that you lot should dive deeper into fixing. This can be inefficient processes using upwardly all of your resource or your server simply not having enough allocated resources to handle the traffic your website is receiving.

What status lawmaking is returned by a website when the browser request is successful?

With all these HTTP status codes - Information technology tin be a scrap daunting to figure if any of them are expert. Just some of them are.
A browser will return a 2xx  status code if the browser request was successful. So a 2xx code is the ane you want to come across. The 2xx status lawmaking ways that the browser's request was successful and received, understood, and accepted.

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Source: https://umbraco.com/knowledge-base/http-status-codes/

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