Developer Tools
ScreenSize.net
Live tool that checks your screen resolution, viewport size, and pixel ratio in the browser.
77/100
7-Frame production-readiness — according to Legit.Show
Is ScreenSize.net production-ready?
Legit.Show measured ScreenSize.net at 77 out of 100 on its 7-Frame production-readiness benchmark (public-surface assessment). Its strongest frame is Reliability (100); its weakest is Security (25). Every frame is measured deterministically from the public surface — exactly what was observed is shown below.
The 7 Frames
- Performance — 87/100
- Accessibility — 92/100
- Security — 25/100
- Privacy — 45/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Lighthouse performance score 87/100 (103 ms to first byte).
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who it's for
Developers · Designers · QA teams · Web developers
Pricing
Free