SEO LvL Authority Score — our own 0–100 metric from the open-web link graph, updated daily. Not Ahrefs DR or Moz DA; don't compare 1:1. The trend is the signal. Full methodology →
Present but 75 chars (aim 10–60).
No JSON-LD — misses rich-result eligibility.
No HSTS header.
140 chars.
No noindex directive.
http:// redirects to https://.
Declared.
Responsive viewport set.
Exactly one H1.
title, description & image set.
98% of images have alt text.
Reachable / declared in robots.txt.
Present.
<html lang> set.
~8358 words on the homepage.
On-page & technical checks from a live homepage crawl, plus Google Lighthouse — re-run on every deploy and diffed against the last scan. This is the build-quality half of SEO; the Authority Score above is the off-page (link) half.
One line of HTML in your footer. The badge re-renders live on every daily sync — no JavaScript, no upkeep. Every visitor who clicks it lands right here.
Daily authority alerts, backlink-change tracking, weekly digest. Free tier — no card.