tonsky.me
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
6 pass · 7 warn · 2 fail
Missing.
Only 0% of images have alt text.
No rel=canonical — risks duplicate-content dilution.
13 H1 tags (use one).
No JSON-LD — misses rich-result eligibility.
Only 2/3 core OG tags.
No sitemap.xml found or declared.
No robots.txt — crawlers get no guidance.
No HSTS header.
16 chars.
No noindex directive.
http:// redirects to https://.
Responsive viewport set.
<html lang> set.
~535 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
Let's Encrypt
SSL certificate
Homepage
1 week ago
Homepage snapshot
Backlink intelligence
6 changes logged
Highest-authority sources
Preview · 5- 01 github.com — AUTH 85
- 02 google.com — AUTH 74
- 03 substack.com — AUTH 74
- 04 dev.to — AUTH 69
- 05 daringfireball.net — AUTH 68
Full referring-domain list & change alerts on paid plans · monitor tonsky.me free
Recent changes
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gained theoo.dev1 month ago
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lost theoo.dev1 month ago
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gained theoo.dev3 months ago
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lost theoo.dev3 months ago
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gained theoo.dev3 months ago
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lost theoo.dev3 months ago
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