Every one runs in your browser, keeps nothing, and asks for no email. The agents do this work continuously - these let you check a single page by hand.
Build reciprocal hreflang tags for every language version of a page, and catch the mistakes that quietly stop them working.
Find the zero-width characters and watermarks hiding in pasted text, and strip them.
Write crawl rules search engines actually follow, with your sitemap wired in.
Inspect a live sitemap for the errors that keep pages out of the index.
See exactly what search engines and social platforms read from a page.
See how a title and description will truncate before you publish them.
Produce valid JSON-LD for the types search engines actually use.
Tell AI assistants what your site is and which pages to trust.
Find out whether an AI assistant can quote your page - and what is stopping it.
See your link the way it will look when someone shares it.
Check a page for skipped levels, missing H1s and the outline crawlers actually see.
Write descriptions that fit the pixel limit and earn the click.
Build consistent campaign URLs that do not fragment your analytics.