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Glossary Term

Crawlability.

Learn what Crawlability means in modern search and SEO.

Part of speechnounOriginOld English: crawlan (to crawl) + Latin: habilis (ability)

The ability of search engine bots to access, read, and navigate a website's pages and content.

Crawlability refers to how easily search engine bots (Googlebot, Bingbot, etc.) can access and navigate a website. Even excellent content cannot rank if search engines cannot reach it. Crawlability is affected by robots.txt rules, noindex tags, server response codes, internal link structure, page speed, and authentication barriers.

Common Crawlability Issues

Frequent crawlability problems include: overly restrictive robots.txt files blocking important pages; noindex tags applied accidentally to pages intended for indexing; broken internal links creating navigation dead ends; JavaScript-heavy pages not rendering properly for crawlers; and server-side blocks that respond differently to bots than to humans (which constitutes cloaking).

Testing Crawlability

Google Search Console's URL Inspection Tool shows how Googlebot sees any specific page—whether it's indexed, what resources were blocked, and how the rendered HTML appears. The Coverage report reveals crawl errors, excluded pages, and indexing issues at scale. Regular technical SEO audits using tools like Screaming Frog, Ahrefs Site Audit, or Semrush are essential for proactive crawlability maintenance.

Articles about Crawlability

Read more on the Aergos blog.

GEO vs SEO: What's Actually Different (and Why You Need Both in 2026)
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GEO vs SEO: What's Actually Different (and Why You Need Both in 2026)

SEO gets your page ranked. GEO gets your brand cited inside an AI-generated answer. They share a foundation — but the mechanics diverge in ways that matter. Here's what's actually different and how to play both.

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Google May 2026 Core Update Finishes With a Final Volatility Spike
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Google May 2026 Core Update Finishes With a Final Volatility Spike

Google's May 2026 core update went out with a bang — a major ranking volatility spike hit on June 2, just before the rollout officially completed. Search Engine Roundtable's Barry Schwartz reported the surge and confirmed the update finished within hours of his post. Here's what it means for your site.

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What Is Generative Engine Optimization (GEO)? The Complete 2026 Guide
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What Is Generative Engine Optimization (GEO)? The Complete 2026 Guide

SEO gets you ranked. GEO gets you cited. Generative engine optimization is the discipline of making your content retrievable and trustworthy enough for AI engines to quote you directly. This guide covers how it works, why it's different from SEO and AEO, and exactly how to start.

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John Mueller: Quality Raters Guidelines Don't Drive Rankings
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John Mueller: Quality Raters Guidelines Don't Drive Rankings

Google's John Mueller confirmed on Bluesky that the Search Quality Raters Guidelines are not a guide for search rankings. It's a critical distinction that trips up a lot of SEOs. Here's what Mueller actually said and what it means for how you build content.

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Should You Trust ChatGPT to Audit Your Website? An Honest Answer
AI SearchJune 1, 2026

Should You Trust ChatGPT to Audit Your Website? An Honest Answer

ChatGPT can do a lot of things. Auditing your website's technical health is not really one of them. Here's where it genuinely helps, where it will get you in trouble, and which tools to use instead.

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How LLMs Actually "Read" Your Website (And Why It's Different From Google)
AI SearchMay 29, 2026

How LLMs Actually "Read" Your Website (And Why It's Different From Google)

ChatGPT might be serving visitors a six-month-old version of your homepage. Perplexity is live but cuts you off mid-sentence. Google's AI Overviews run on a completely different pipeline than either one. Here's the plain-English breakdown of how LLMs actually process your site — and why it matters for how you write and structure your content.

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