Thunderdome B2B SaaS AI Visibility Index

← SEO Crawlers & Site Audit ranking

Best overall · Prompt 1 of 8 · July 2026

A real buyer question from the July 2026 snapshot, asked 3× to each of the three models. 9 answers recorded.

“What's the best SEO crawler for auditing a website?”

ChatGPT answered 3× this snapshot

Depends a bit on your workflow and how deep you want to go, but here are the top picks and when each shines: Screaming Frog SEO Spider This is the go-to for most SEO pros. It runs locally, crawls like Googlebot, and gives you very granular control. Great for technical audits (broken links, redirects, canonicals, duplicate content, etc.). The free version is limited; paid is worth it if you do this regularly.…

Named across its answers: 1. Screaming Frog2. Sitebulb3. Ahrefs4. Semrush5. Lumar

Verbatim excerpt from one collected ChatGPT answer; formatting flattened, words untouched.

Screaming Frog is the uncontested winner here, earning every first-place slot across all 9 answers from all 3 models, a clean sweep no other brand comes close to matching. Sitebulb holds a solid but distant second at an average position of 2.7, while category-ranked brands like Firecrawl and ContentKing go unmentioned, meaning AI buyers never see them on this question.

AI-generated read of the July 2026 measurements.

Who wins this question

Owned Consensus

All three models name Screaming Frog, Sitebulb, Ahrefs and Semrush on this question.

ChatGPTClaudeGemini mentioned · first · avg. pos
Screaming Frog 111111111 9/9 · 9× first · #1
Sitebulb 222444222 9/9 · never first · #2.7
Ahrefs 433333344 9/9 · never first · #3.3
Semrush 544222455 9/9 · never first · #3.7
Lumar 35533 5/9 · never first · #3.8
Google Search Console 555 3/9 · never first · #5
JetOctopus 566 3/9 · never first · #5.7
Botify 67 2/9 · never first · #6.5
SEO PowerSuite 6 1/9 · never first · #6
OnCrawl 6 1/9 · never first · #6
Sitechecker 6 1/9 · never first · #6
SEOptimer 7 1/9 · never first · #7

Each square is one collected answer; the number is the brand's position in that answer. Lime = the very first recommendation. Unlinked brands were named by the models here but sit outside this category's published top 15 overall. Never mentioned here: Firecrawl, ContentKing, SE Ranking, Browserless, Apify, Beam Us Up.

Build variants of this question: the SEO Crawlers & Site Audit prompt tree → Next prompt →

Part of the SEO Crawlers & Site Audit snapshot: 72 answers across 8 prompts. Full category ranking · Compare brands head-to-head · Methodology.