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Indexation is the prerequisite for organic traffic. This guide explains Google's three stages — crawling, indexing, and serving — and provides a systematic method to improve indexation and troubleshoot issues.
robots.txt is the core file that controls how search engine crawlers access your site. This guide explains file location, user-agent/allow/disallow/sitemap syntax, wildcards, precedence, and common configuration examples.
Structured data gives pages a chance to appear as more eye-catching rich results. This guide covers official case studies, the JSON-LD, microdata, and RDFa formats, general guidelines, and how to measure impact.
Under mobile-first indexing, Google ranks and indexes your site based primarily on the mobile version. This guide covers responsive design, dynamic serving, and separate URLs, plus content, structured data, and media best practices with troubleshooting.
hreflang tells search engines which pages are localized variants of the same content. This guide covers the HTML, HTTP header, and sitemap methods, x-default usage, language and region codes, and common error troubleshooting.
The index coverage report is the core tool for reviewing your site's indexing status. This guide explains report structure, common not-indexed reasons, warnings, and the fix-validation flow.
Core updates broadly refine how content is evaluated and can cause ranking fluctuations. This guide explains how to confirm an update, diagnose with Search Console, assess large drops, make long-term improvements, and set expectations for recovery time.
E-E-A-T (Experience, Expertise, Authoritativeness, Trust) is a key framework Google uses to evaluate content quality. This guide covers YMYL topics, self-assessment questions, the who/how/why framework, and practical recommendations.
When the same content is accessible at multiple URLs, you have duplicate content. This guide covers four canonicalization methods (rel=canonical, HTTP header, sitemap, 301), best practices, and common mistakes.
Bing Webmaster Tools is Microsoft's free toolkit covering Bing and Copilot search and AI citation performance. This guide covers setup, core features, and official-guideline-based optimization points.
For sites targeting Chinese users, this guide covers Baidu SEO optimization. Based on the official Baidu Search Resource Platform traffic optimization guide, it explains how Baidu search works, the five ranking factors, and practical title, summary, and content tips.
User stories shift requirements from writing about features to talking about them. Combined with acceptance criteria, they define what "done" means. This guide applies Mountain Goat Software's 3Cs model.