Small checks. Clear next steps.
Inspect a page or website with focused tools built around DeepSpider’s audit rules. No account needed.
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Free AI Readiness CheckerSee whether ChatGPT, Claude, Perplexity, Google AI Overviews and Copilot can reach and use your pages, with the exact rule behind each result. Free Breadcrumb CheckerInspect JSON-LD breadcrumb structure on one URL and see each step in the path. Free Sitemap CheckerFind and inspect XML sitemaps, index children, URL entries, duplicates and update dates. Free Indexability CheckerReview robots.txt, noindex, HTTP responses, redirects and canonical signals for one page. Free robots.txt TesterTest whether robots.txt allows Googlebot, Bingbot or an AI crawler to fetch a URL, see the deciding line, and test edits before publishing. Free Redirect Chain CheckerFollow every redirect from up to 10 URLs and find chains, loops, temporary redirects and broken destinations. Free Hreflang CheckerCheck one page’s hreflang tags and the language versions it lists: codes, return links, redirects, noindex and canonicals. Free Canonical CheckerSee where a page’s canonical points and whether the target works, is indexable and names itself as canonical. Free Link Hygiene CheckerFind malformed links and URL typos, tracking and cart parameters on internal links, http:// links on HTTPS pages and links crawlers cannot follow, in one page’s HTML. Free Head & Encoding Integrity CheckerSee where the HTML parser really ends the head, which canonical, hreflang and robots tags land in the body, and whether the encoding, DOCTYPE and title are declared correctly. Free Crawler Cache (304) CheckerTest how a page answers conditional requests: ETag, Last-Modified and wrong 304 Not Modified answers that keep crawlers on an old copy. Free Error Page & Host CheckerCheck that missing pages answer 404, not a soft 404, and that http, https, www and non-www end on one address with one permanent redirect. Choose a tool
More focused tools will be added here.