The PageChecks Blog
Articles, guides, and notes on technical SEO, web performance, answer engine optimization (AEO), and building faster websites. Brought to you by the PageChecks team.
Common Technical SEO Issues That Kill Rankings
Some technical SEO issues are annoying. Others quietly suppress rankings across entire sections. This guide covers the patterns that do the most damage and how to spot them early.
Do You Need llms.txt?
llms.txt can be useful, but it is not a shortcut past weak content or blocked crawlers. This guide explains when it helps and when it is just extra surface area.
GPTBot vs ChatGPT-User vs ClaudeBot: What Each Bot Actually Does
Teams often make one robots.txt change and assume it covers every AI system. It does not. This guide explains the difference between GPTBot, ChatGPT-User, ClaudeBot, and related bot policies.
How to Check if AI Crawlers Can Access Your Site
If you want your pages cited in AI search, first confirm the bots can actually fetch them. This guide shows how to audit robots.txt, path-level rules, and page-level signals without guessing.
How to Optimize Your Site for AI Citations
Getting crawled is only the first step. If you want citations from AI systems, your content also needs clear structure, explicit answers, and machine-readable signals.
How to Prioritize Technical SEO Issues After an Audit
A technical SEO audit is only useful if you can separate urgent issues from background noise. This guide shows how to rank findings by impact, scope, and next action.
How to Run a Technical SEO Audit Without Wasting Time
A technical SEO audit only helps if it leads to action. This guide shows how to run a fast audit, choose the right sample, and focus on the issues that actually change rankings and crawl quality.
Technical SEO Checklist for Site Migrations
Site migrations create technical SEO risk fast. This checklist shows what to verify before launch, what to test after release, and how to catch the problems that usually cost rankings.
What a Technical SEO Audit Should Actually Check
A useful technical SEO audit is not a giant list of random checks. This guide breaks down the signals that matter most for crawling, indexing, page quality, and follow-up prioritization.
What Blocks AI Visibility in robots.txt
A single broad Disallow rule can quietly wipe out your AI visibility on the pages that matter most. This guide shows the patterns that cause the biggest problems.
Agent Readiness: How to Prepare Your Site for the Agentic Web
AI agents now browse, buy, and book on behalf of users. Our new Agent Protocol Readiness Checker runs 20+ probes so you can see where your site is missing the signals agents expect.
The Complete Guide to Answer Engine Optimization (AEO) and GEO
Search is no longer a list of links. This guide shows you how to structure content for direct answers, AI citations, retrieval pipelines, and modern search visibility.