That SEO Extension
See your page the way a crawler actually sees it.
A one-click inspector that checks your page the same way a search engine does: the raw HTML, robots.txt, and every file the page loads. No dashboard, no login, no waiting for a crawl.
Most SEO tools only check what your page loads.
This one audits both what your page loads and the page source.
What's in your HTML vs. what actually loads
Every field is checked twice. Once against the raw HTML from the server, and once after your own JavaScript runs. So if a title or canonical tag only shows up after the page loads, you'll see it here before a crawler that skips JavaScript ever misses it.
robots.txt, evaluated for real
Every crawler named in your robots.txt is checked against its actual Allow and Disallow rules. The Assets tab does the same check for every script and stylesheet the page loads.
Sitemaps, wherever they live
The XML sitemap is found by reading the Sitemap line in robots.txt. This extension never assumes it lives at /sitemap.xml, so nested, split, or custom-path sitemaps are found too.
Everything you'd otherwise check across five different tools.
Essentials
Title, meta description, canonical, robots directives, sitemaps, viewport, and page weight. These are the fields a crawler reads first.
Headings
The full H1–H6 outline at a glance, with missing or duplicate H1s flagged directly on the chip.
Links
Every internal and external link, filterable by nofollow, missing anchor text, or hidden. Includes one-click reachability checks.
Images
Flags missing and empty alt text separately, since one is a real accessibility issue and the other is a valid, intentional signal.
Assets
Every script and stylesheet the page loads, checked for reachability and cross-referenced against robots.txt in one pass.
Schema
Every JSON-LD block, parsed and pretty-printed, with an at-a-glance list of every @type found on the page.
Hreflang
Cross-checks the HTML tag, HTTP header, and XML sitemap sources against each other and flags any that disagree.
Social
Open Graph and Twitter Card tags, rendered as a live preview of exactly how the link will look when shared.
Install it, click the icon, done.
No sign-up, no configuration, nothing sent off your machine. Runs the moment you open it.
Install in Chrome
That SEO Extension