swyx.io
SEO LvL 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 2 weeks ago
SEO health
13 pass · 1 warn · 1 fail
Only 7% of images have alt text.
No HSTS header.
11 chars.
69 chars.
No noindex directive.
http:// redirects to https://.
Declared.
Responsive viewport set.
Exactly one H1.
JSON-LD schema present.
title, description & image set.
Reachable / declared in robots.txt.
Present.
<html lang> set.
~1203 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
Chrome UX Report
p75 · mobile · checked 1 day ago
Technology stack
fingerprinted
Detected technology stack
Registration
Registration & identity
Certificate
Google Trust Services
SSL certificate
Homepage
17 hours ago
Homepage snapshot
Backlink intelligence
0 changes logged
Highest-authority sources
Preview · 5- 01 github.com — AUTH 85
- 02 substack.com — AUTH 74
- 03 dev.to — AUTH 69
- 04 hypothes.is — AUTH 66
- 05 slides.com — AUTH 66
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Recent changes
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