SEO Services will be higher quality and safer if you understand the meaning of HTTP status codes. Codes like 404, 301, and 500 are familiar to Internet users, yet they often go unnoticed. However, for SEO specialists and businesses using SEOservices, knowing them is essential.
SEO Services - What are HTTP codes?
HTTP codes, or HTTP status codes, are messages that a server returns to a website when an access request is made by an Internet user or a search engine bot. In other words, an HTTP status code is a server notification regarding the status of a website link when an access request is received. According to Official W3C Specs, there are many different status codes, but those working in SEO services and the businesses that use them will likely never encounter all of them.
Common HTTP status code categories in SEO services
There are five different categories of HTTP status codes, representing five types of communication between a website and a web server:
1xx - Codes starting with 1xx indicate that the request to access the website has been received by the server and is currently being processed.
2xx - The request to access the website has been received and processed successfully, meaning the website has been accessed successfully.
3xx - This means the client needs to take further action to successfully complete the request, as the old URL has been redirected to a new address. When a request is made to the old URL, the server will generate another request to the new URL.
4xx - Codes starting with 4xx indicate that an issue occurred during access.
5xx - The server encountered an error when the access request was made.
The 10 most important HTTP status codes in SEO services
As mentioned, there are many HTTP status codes, but in SEO services, you should grasp and remember the following 10 important codes:
200: OK / Successful access
This is the "most popular" status code in today's list of 10. When Internet users want to access a website, it means they are requesting the server to display the website's content, and the server responds with the 200 code - successful access, along with all the content the user needs.
301: Moved Permanently / Permanently redirected
The 301 status code only appears when the requested URL has been permanently redirected to a new address. If you own a website, you will often need to use this status code. For example, you have an introduction page for SEO services, but in the future, you will create a new page with a better and more modern design; at this point, you need to redirect the old URL to the new one.
302: Found / Found
The 302 status code means the content you want to access has been found, but it is located at a different address. However, the 302 code does not inform Googlebot whether this web status is temporary or permanent. For SEO services, you should only use this code when you are certain you will reuse the old URL, because Google will stop indexing the old link and will not index the new URL either. It is best not to use this code when changing domains or when there are major changes to the web design structure.
307: Temporary Redirect / Temporary redirect
The 307 code replaces 302 in HTTP 1.1 and can be considered the only correct redirect. You can use a 307 redirect if you need to temporarily redirect a URL to a new one while maintaining the original request method. The 307 code is quite similar to 302, but it differs in that it informs Googlebot that this is strictly a temporary action.
403: Forbidden / Forbidden
The 403 code tells the browser that the requested content is forbidden to the user, as the server refuses access. If Googlebot receives this status code while attempting to crawl the website, it may be because the server or the website has blocked Googlebot's access.
404: Not found / Not found
This is one of the most common status codes. When the server returns a 404 error, it means the content you want to access cannot be found and may have been deleted. In SEO services, if 404 errors occur continuously on your website, it is not good at all for your page rankings, so fix these errors as soon as possible.
Monitor these 404 errors in Google Search Console under the Crawl section and try not to let these errors appear too frequently. If a website has many 404 errors, it may be seen by Google as a sign of poor maintenance. Use a 301 redirect to send visitors from an old URL to a new article or page with relevant content, or if your page is broken, use the 410 code because this code sends a clearer signal to Google.
410: Gone / Content no longer available
If you want to remove a webpage entirely, use 410 instead of 404. While both status codes indicate that content cannot be found, a 410 tells search engines that you have permanently deleted the requested content and that they should remove the URL from their index, ensuring they will not attempt to crawl that deleted page again.
451: Unavailable for Legal Reasons / Access denied for legal reasons
This is a relatively new HTTP status code that not everyone working in SEO services is familiar with. If a server returns a 451 code, it means the content you are trying to access has been removed for legal reasons. Conversely, if you own a website and are required to take down content due to legal or national security concerns, you should use the 451 code to inform Googlebot about the situation.
500: Internal server error / Internal server error
A 500 error indicates that the server encountered an issue that prevented it from fulfilling or processing a request, without specifying the exact cause. To resolve this, you need to check your server's logs to identify the source of the problem.
503: Service unavailable / Service unavailable
When a server returns a 503 error, it means you cannot access the website temporarily, likely because it is undergoing maintenance or is overwhelmed by a sudden spike in traffic. If you provide SEO services, you will occasionally need to use this status code when performing website updates or upgrades. This signals to Googlebot and other search engine crawlers that they should return to the site at a later time.
SEO Services - Understanding how websites function upon access requests
After learning about the codes used when performing SEO services, you should also understand how a browser directs you to a website. Typically, there are two ways to reach a site: by entering a URL directly, or by performing a search query and clicking on a link in the Google search results.
When you take either of these actions, the browser sends a request to the website's IP address, and the server responds with a status code embedded in the HTTP header to inform the browser of the website's status. If everything is fine, an HTTP 200 status code is sent back, meaning you have successfully accessed the site. However, when performing SEO services, you will sometimes encounter cases where a page cannot be found, such as a 404 error, or technical issues related to the internal server, such as a 500 error.
These HTTP status codes are essential tools for assessing the health of your website and server. Especially in SEO services, if your website frequently encounters 404 or 500 errors, your search engine rankings will certainly be at risk.
SEO Services - Working with HTTP status codes
HTTP status codes are an indispensable part of working in SEO services and hold significant importance for search engine crawlers. You likely encounter these codes daily, and today's article by Markdao will be your key to understanding what they mean. For example, if you permanently delete a page from your site, you will know which code to use or how to combine them, such as using a 301 redirect in conjunction with a 410 status. In SEO services, you need to grasp and clearly remember the meaning of these codes, as each serves a different purpose and should not be confused.
This concludes our article introducing the 10 most important HTTP status codes in SEO services . We hope this content is helpful to everyone. See you in our upcoming articles.
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