HTTP Status Codes List: Complete Guide for SEO & Webmasters
HTTP status codes are server responses that indicate how a request was handled. They are essential for understanding redirects, errors, page availability, and SEO performance. With Track-URL, you can analyze any URL and instantly see its HTTP status code.
What Are HTTP Status Codes?
HTTP status codes are three-digit numbers returned by a web server in response to a browser request. They tell search engines and users whether a page loaded successfully, redirected, or failed.
1xx – Informational Responses
- 100 Continue – Request received, continue
- 101 Switching Protocols – Protocol change accepted
- 102 Processing – Server is processing the request
2xx – Success Responses
- 200 OK – Request successful
- 201 Created – Resource created successfully
- 202 Accepted – Request accepted for processing
- 204 No Content – Successful request with no response body
3xx – Redirection Responses
- 301 Moved Permanently – Permanent redirect (SEO-friendly)
- 302 Found – Temporary redirect
- 303 See Other – Redirect to another URL
- 307 Temporary Redirect – Temporary, method preserved
- 308 Permanent Redirect – Permanent, method preserved
4xx – Client Error Responses
- 400 Bad Request – Invalid request
- 401 Unauthorized – Authentication required
- 403 Forbidden – Access denied
- 404 Not Found – Page not found
- 410 Gone – Resource permanently removed
- 429 Too Many Requests – Rate limit exceeded
5xx – Server Error Responses
- 500 Internal Server Error – Generic server error
- 502 Bad Gateway – Invalid server response
- 503 Service Unavailable – Server temporarily unavailable
- 504 Gateway Timeout – Server response timeout
SEO Impact of HTTP Status Codes
- 200: Ideal for indexed pages
- 301 / 308: Pass link equity
- 302 / 307: Temporary, limited SEO value
- 404 / 410: Removed pages
- 5xx: Can harm rankings if persistent
How Track-URL Helps
- Detect HTTP status codes instantly
- Trace redirect chains
- Identify broken links
- Analyze short URLs and tracking links
- Improve SEO and site reliability
Conclusion
Understanding the HTTP status codes list is essential for SEO, website health, and user experience. Use Track-URL Redirect Checker to monitor status codes and optimize your website efficiently.