Technology · Font scripts

sIFR

sIFR is one of 19 technologies we detect in Font scripts.

Font scripts

detected by AwesomeTechStack audits

About sIFR

sIFR is a JavaScript and Adobe Flash dynamic web fonts implementation.

Audit any site that runs sIFR.

Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.

How we audit sIFR

We measure the detected version against sIFR's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

More technologies in Font scripts

View all →

Font Awesome
Adobe Fonts
Bootstrap Icons
Bunny Fonts
Cufon
Custom Fonts
FontServer
Fork Awesome

Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.