What is Googlebot?
Googlebot is Google's search engine crawler. Google's main crawler. Powers Google Search AND the AI Overviews box at the top of results.
What does Googlebot do with your content?
Google's main crawler. Powers Google Search AND the AI Overviews box at the top of results. It follows the rules you publish in robots.txt, a small text file at the root of your site that tells automated visitors what they may read (defined by RFC 9309, the Robots Exclusion Protocol standard).
Should you block Googlebot?
Blocking Googlebot removes you from Google Search AND from AI Overviews, which are built on Googlebot's index. For any business that wants customers to find it, blocking Googlebot is almost never the right call.
How do you allow or block Googlebot in robots.txt?
Add one of these snippets to the robots.txt file at the root of your site. The first explicitly allows Googlebot everywhere; the second blocks it completely.
# Allow Googlebot
User-agent: Googlebot
Allow: /
# Block Googlebot
User-agent: Googlebot
Disallow: /Is robots.txt enough?
Not always. CDNs and firewalls (Cloudflare in particular) can block crawlers at the network level regardless of what robots.txt says — Cloudflare blocks AI crawlers by default for many accounts. If you want Googlebot to reach your site, check your CDN's bot settings too. SeeGeo's free audit checks both.
How do I check whether Googlebot can read my site right now?
Two checks, both needed: read your robots.txt for a group naming Googlebot (or the * group it falls back to), then request your homepage with Googlebot's user agent and confirm you get a 200 with your real HTML rather than a 403 or a challenge page. SeeGeo's free crawler check runs both in a few seconds.
How does Googlebot compare to similar crawlers?
Googlebot is one of 16 crawlers the SeeGeo audit checks individually. The closest comparisons:
| Crawler | Operator | Role | Runs JavaScript? |
|---|---|---|---|
| Googlebot | search engine crawler | Delayed rendering | |
| Google-Extended | AI training crawler | No | |
| Bingbot | Microsoft | search engine crawler | Delayed rendering |
Why does crawler access matter? The numbers
Crawler access is where AI visibility starts or ends: a blocked crawler can't read you, and an AI that can't read you can't recommend you.
- Visitors arriving from AI assistants convert at roughly 4.4x the rate of traditional organic search on average (Semrush, cross-industry, 2026).
- AI-assistant referrals are still only about 1% of total web traffic — small, but the fastest-growing acquisition channel measured (multiple 2026 studies).
- Adobe Digital Insights (Q1 2026) measured AI-assistant visitors converting 42% better than non-AI traffic — a full reversal from the year before.
- Cloudflare blocks AI crawlers by default for many accounts, so sites are often invisible to AI without anyone having decided to be.
- Content edits alone — statistics, citations, quotable structure — can raise AI visibility on the order of 30–40% (Princeton GEO study, KDD 2024).
Frequently asked questions
What is Googlebot?
Googlebot is Google's search engine crawler. Google's main crawler. Powers Google Search AND the AI Overviews box at the top of results.
Should I block Googlebot?
Blocking Googlebot removes you from Google Search AND from AI Overviews, which are built on Googlebot's index. For any business that wants customers to find it, blocking Googlebot is almost never the right call..
Does Googlebot run JavaScript?
Googlebot can render JavaScript for indexing, but rendering is delayed and imperfect — server-rendered content is always the safer path.
Can Googlebot read my website?
Only if two things are true: your robots.txt does not disallow Googlebot, and your server or CDN actually serves the page when Googlebot asks. Firewalls can block it regardless of robots.txt, so the reliable way to know is to fetch your homepage as Googlebot — the free check on see-geo.com/ai-crawler-check does exactly that.