See how different HTTP status codes, and network and DNS errors can affect Google Search. Learn how to debug network and DNS errors.| Google for Developers
Get an in-depth understanding of how Google Search works and improve your site for Google's crawling, indexing, and ranking processes.| Google for Developers
Googlebot is the generic name of the web crawler used by Google Search. Discover what Googlebot is, how it accesses your site, and how to block Googlebot.| Google for Developers
If Google's crawl rate overwhelms your server, explore this document to learn how to reduce Google's crawl rate and stop bots from crawling your site.| Google for Developers
The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document describes the overall architecture of HTTP, establishes common terminology, and defines aspects of the protocol that are shared by all versions. In this definition are core protocol elements, extensibility mechanisms, and the "http" and "https" Uniform Resource Identifier (URI) schemes. This document updates RFC 3864 and obsoletes RFCs 2...| www.rfc-editor.org
The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document describes the overall architecture of HTTP, establishes common terminology, and defines aspects of the protocol that are shared by all versions. In this definition are core protocol elements, extensibility mechanisms, and the "http" and "https" Uniform Resource Identifier (URI) schemes. This document updates RFC 3864 and obsoletes RFCs 2...| www.rfc-editor.org