Pick a tool
Meta tag checker
Title, description, canonical, robots and Open Graph with a Google-style snippet preview.
Robots.txt checker
Fetch and parse robots.txt. Flags blocking rules for Googlebot and Bingbot plus sitemap lines.
Sitemap checker
Validate XML sitemap format, count URLs, sample status codes and read lastmod dates.
App Store keyword counter
100-byte keyword field with comma rules for Apple App Store Connect.
ASO character counter
Google Play title, short and full description character limits.
Schema markup checker
Extract JSON-LD and check required fields for SoftwareApplication, FAQ, Product and Breadcrumb.
Hreflang checker
Language codes, self-references, x-default and return links, using Traffivio technical health rules.
Redirect checker
HTTP status and redirect chain, up to three hops, with the same SSRF limits as other tools.
Open Graph checker
OG and Twitter tags, plus a text preview of the social card. The image file is not fetched.
IndexNow key checker
Confirm the key file is reachable and matches. This tool does not submit URLs for you.
Page speed guide
How to measure Core Web Vitals with PSI and Search Console. No API on this public page.
llms.txt checker
Fetch /llms.txt on a host root and review status and structure.
Monitor this automatically
Save your site in Traffivio and get scheduled audits, health checks and agent proposals.
Sign up free ↗Questions
Are these SEO tools really free?
Yes. No payment card. Server-backed checkers are rate-limited; ASO counters run offline in your browser.
Can I automate these checks?
Create a free Traffivio account to save your site and run scheduled audits and health checks in the workspace.
Do I need an account?
No. These tools work without signing in. Rate limits apply per visitor.
Does Traffivio change my site?
No. Server tools only fetch public URLs. Counters run entirely in your browser.