Technology · JavaScript library
Websites using Polyfill.io
As of 2026-10-02, Polyfill.io (JavaScript library) is detected on 11 of the 7,859 popular websites we analysed (0.1%), including theguardian.com, guardian.co.uk, thehindu.com, archdaily.com and patch.com.
Top sites using Polyfill.io (11)
- theguardian.com #85
- guardian.co.uk #1,252
- thehindu.com #1,563
- archdaily.com #2,066
- patch.com #2,683
- gulfnews.com #2,925
- appleinsider.com #4,727
- ikman.lk #5,131
- turf-fr.com #5,786
- thehindubusinessline.com #7,514
- adultfriendfinder.com #7,797
The number is the position in our popularity-ordered sample (1 = most popular).
Technologies often used together with Polyfill.io
| Technology | Sites | Share of Polyfill.io sites |
|---|---|---|
| Google Fonts | 7 | 64% |
| Google Publisher Tag | 6 | 55% |
| Google Tag Manager | 6 | 55% |
| Cloudflare | 5 | 45% |
| Comscore | 4 | 36% |
| Google Sign-In | 4 | 36% |
| Google Analytics | 3 | 27% |
| Apache HTTP Server | 2 | 18% |
| Bootstrap | 2 | 18% |
| Chartbeat | 2 | 18% |
Polyfill.io by site sector
| Sector | Sites with Polyfill.io | Share of sector |
|---|---|---|
| News | 3 | 0.9% |
| Other | 8 | 0.1% |
| Technology | 0 | <0.1% |
| Entertainment | 0 | <0.1% |
| Social media | 0 | <0.1% |
| Government | 0 | <0.1% |
| Finance | 0 | <0.1% |
| Reference | 0 | <0.1% |
Polyfill.io by top-level domain
FAQ
- How many popular websites use Polyfill.io?
- As of 2026-10-02, Polyfill.io (JavaScript library) is detected on 11 of the 7,859 popular websites we analysed (0.1%), including theguardian.com, guardian.co.uk, thehindu.com, archdaily.com and patch.com.
- Which are the most popular websites using Polyfill.io?
- theguardian.com, guardian.co.uk, thehindu.com, archdaily.com, patch.com, gulfnews.com, appleinsider.com, ikman.lk, turf-fr.com and thehindubusinessline.com, and 1 more (ordered by popularity in our sample, detected 2026-10-02).
- Which kinds of sites use Polyfill.io most?
- By share of sites: news (0.9%), other (0.1%) and technology (<0.1%).
- How do I find out what technology a website uses?
- Open the site's page in the Tech Stack Index, or run the Tech Stack Detector API on any domain: it reads the home page HTML and headers and lists the CMS, framework, CDN and analytics with evidence.