SEO Glossary

10x content refers to high-quality, exceptional, and comprehensive content that provides far more value than existing online resources on the...

301 Moved Permanently is a HTTP status code that indicates a resource has been permanently moved to a new URL....

302 Found is a HTTP status code indicating that a requested web page or file has been temporarily moved to...

A “303 See Other” is an HTTP status code indicating that the response to the request can be found at...

304 Not Modified is a HTTP status code that indicates that the requested resource has not been modified since the...

307 Temporary Redirect is an HTTP status code that indicates a temporary redirection of a webpage to another URL, and...

308 Permanent Redirect is a HTTP status code that indicates a permanent redirection of a requested resource to a different...

400 Bad Request is a HTTP status code that indicates the client's request to the server is invalid or malformed,...

401 Unauthorized is a HTTP status code that indicates the client's request lacks valid authentication credentials for the requested resource,...

403 Forbidden is a HTTP status code indicating that the client does not have permission to access the requested resource...

404 logs document errors on a web server that occur when a requested page or resource cannot be found. Here...

404 Not Found is a standard HTTP error message that indicates a client's request could not be fulfilled because the...

Learn what 410 Gone means and how it differs from other HTTP status codes that signal temporary unavailability of a...

The 418 I'm a Teapot is a whimsical HTTP status code that started as an April Fools' joke among web...

451 Unavailable for Legal Reasons is an HTTP status code that indicates a resource or website is inaccessible due to...

500 Internal Server Error is a common HTTP status code that indicates an unexpected issue occurred on the server, preventing...

501 Not Implemented is an HTTP status code, indicating that the server does not support or does not have the...

502 Bad Gateway is a HTTP status code that indicates bad communications between the web server and secondary outbound services...

503 Service Unavailable is an HTTP status code that signifies a temporary limitation in ability of otherwise healthy sites to...

504 Gateway Timeout is an HTTP status code that indicates a server acting as a gateway or proxy did not...

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