Robots.txt validator
Check for blocked crawlers, missing sitemaps, and syntax errors — plus a unique AI crawler report showing whether GPTBot, ClaudeBot, and other LLM bots can reach your site.
SERP simulator
Preview how your title tag and meta description look in Google search results. Live character counts with truncation warnings.
Keyword density
Paste any text and see word frequency, density percentages, and 1-, 2-, and 3-word phrase breakdowns instantly.
Need a full audit?
The tools above check individual signals. The CrawlRanker scanner runs all seven SEO checks plus an AI-content score against any public URL in about 30 seconds.