joshwcomeau.com
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 →
90-day authority trajectory
synced 18 hours ago
SEO health
11 pass · 3 warn · 1 fail
Only 0% of images have alt text.
No rel=canonical — risks duplicate-content dilution.
No JSON-LD — misses rich-result eligibility.
No sitemap.xml found or declared.
14 chars.
64 chars.
No noindex directive.
http:// redirects to https://.
Responsive viewport set.
Exactly one H1.
title, description & image set.
Present.
<html lang> set.
Strict-Transport-Security set.
~2604 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.
Field experience
below CrUX traffic floor
Technology stack
fingerprinted
Detected technology stack
Registration
Porkbun LLC
Registration & identity
Certificate
Let's Encrypt
SSL certificate
Homepage
1 day ago
Homepage snapshot
Backlink intelligence
0 changes logged
Highest-authority sources
Preview · 5- 01 github.com — AUTH 85
- 02 substack.com — AUTH 74
- 03 mailchimp.com — AUTH 72
- 04 web.dev — AUTH 69
- 05 w3.org — AUTH 69
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Recent changes
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