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AITDK SEO Extension vs Thundercrawl

Focuses on broader SEO analysis and keyword tools, not LLMs.txt generation

Short answer: Pick AITDK SEO Extension if you want all-in-one free SEO browser extension; pick Thundercrawl if you want LLMs.txt generation for SEO. AITDK SEO Extension has a free plan, paid from $10/month; Thundercrawl has a free plan.

Which to pick

Pick AITDK SEO Extension if you want…

  • All-in-one free SEO browser extension

Pick Thundercrawl if you want…

  • LLMs.txt generation for SEO

Side by side

What it is
AITDK SEO Extension:AITDK SEO Extension is a free Chrome extension that provides on-page SEO audits, traffic stats, WHOIS lookup, keyword density and more.
Thundercrawl:Thundercrawl generates LLMs.txt files for websites to improve AI search discoverability and SEO.
Best for
AITDK SEO Extension:All-in-one free SEO browser extension
Thundercrawl:LLMs.txt generation for SEO
Who it’s for
AITDK SEO Extension:SEO professionals, webmasters and marketers needing quick site analysis
Thundercrawl:Web developers and site owners who want AI-ready content for better search visibility.
Pricing
AITDK SEO Extension:Freemium
Thundercrawl:Freemium
Starting price
AITDK SEO Extension:$10/month (Starter)
Thundercrawl:—
Free plan or trial
AITDK SEO Extension:Free plan (Free)
Thundercrawl:Free trial
Plans
AITDK SEO Extension:Free $0 · Starter $10 per month · Pro $20 per month
Thundercrawl:—

AITDK SEO Extension features

  • On-Page SEO Audit. Shows title, description, URL, H tags, images, links and other core SEO elements of any page.
  • Website Traffic Analysis. Displays monthly visits, bounce rate, dwell time, global rank and traffic source breakdown.
  • WHOIS Lookup. Provides domain registration, expiry dates, registrar and nameserver information.
  • Keyword Density Check. Lists most frequent keywords with count and density for the current page.
  • Headings & Images Analysis. Shows heading hierarchy, image alt/title status and link ratios (dofollow/nofollow).
  • Metadata Extraction. Collects and displays all metadata from the page in a clear format.

Thundercrawl features

  • LLMs.txt Generator. Creates .txt files that make any website ready for large language model indexing.
  • Free Sample Crawl. Allows a test run on up to 5 pages, 10 blogs, and 10 products at no cost.
  • Full Site Crawl. Scans the entire site to produce comprehensive LLMs.txt output.
  • Single Page Mode. Generates LLMs.txt for a specific page on demand.
  • Advanced Options. Provides configurable settings for customized crawling and output.
  • Premium Plans. Offers paid tiers for larger sites and higher crawl limits.

AITDK SEO Extension vs Thundercrawl FAQ

What is the difference between AITDK SEO Extension and Thundercrawl?+

AITDK SEO Extension: Focuses on broader SEO analysis and keyword tools, not LLMs.txt generation.

Should I use AITDK SEO Extension or Thundercrawl?+

Pick AITDK SEO Extension if you want all-in-one free SEO browser extension. Pick Thundercrawl if you want LLMs.txt generation for SEO.

Is AITDK SEO Extension or Thundercrawl free?+

AITDK SEO Extension has a free plan; paid plans start at $10/month (Starter). Thundercrawl has a free plan and paid plans.

On DevHunt

AITDK SEO Extension

26 upvotes · Launched on DevHunt on Jun 25, 2024

Thundercrawl

0 upvotes · Launched on DevHunt on Jan 7, 2025

Based on each tool's website and DevHunt data. Details may change; check the official sites.