HTTP Status Codes (200, 301, 404, 500) and TTFB Optimization Guide
Decode server response codes, identify redirection chains, and optimize Time to First Byte (TTFB) for enhanced search engine crawling efficiency.
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Overview of HTTP Status Classes
- 2xx (Success):
200 OK- Request completed successfully. - 3xx (Redirection):
301 Moved Permanently,302 Found. - 4xx (Client Errors):
404 Not Found,403 Forbidden. - 5xx (Server Errors):
500 Internal Server Error,502 Bad Gateway,503 Service Unavailable.
What is TTFB (Time to First Byte)?
TTFB quantifies the duration from when the browser sends an HTTP request until it receives the very first byte of response data from the server. A healthy TTFB should stay below 200 ms.
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β Frequently Asked Questions (FAQ)
What is the SEO difference between 301 and 302 redirects? βΎ
A 301 redirect passes PageRank and ranking equity to the destination URL, whereas a 302 redirect indicates a temporary state without transferring equity.