Technology report · JavaScript library
Polyfill.io usage report
On 2026-10-28, Polyfill.io, a JavaScript library, was detected on 53 of the 66,086 websites we scanned, a share of 0.1%. This page shows which industries those sites belong to and which other technologies they commonly run alongside it. No version information was detected for any of them.
- 53websites using it
- 0.1%of 66,086 scanned websites with a detected technology
- 2026-10-28data date
Industry is known for only 8 of the sites using Polyfill.io, so the sector picture is thin. News and media leads with 2 sites, which is 25.0% of those with a known industry. E-commerce and retail, Entertainment and streaming, Gaming, and Government and public sector each have 1 site, at 12.5% each.
The sites tend to carry a Google-heavy stack. Google Tag Manager appears on 36 sites (67.9%), Google Fonts on 25 (47.2%), and Google Publisher Tag on 16 (30.2%). Google Analytics is present on 13 sites (24.5%). Meta Pixel appears on 11 sites (20.8%), so advertising and measurement tools are common companions.
On the infrastructure side, Nginx appears on 15 sites (28.3%), Cloudflare on 14 (26.4%), and jQuery on 14 (26.4%). Versions were identified on 0 sites, so we cannot say which releases are in use. Example sites include tabletopia.com, arenes.fr, homify.co.uk, archdaily.mx, and deseretbook.com.
Industries using Polyfill.io
| Industry | Websites | Share of 8 classified |
|---|---|---|
| News and media | 2 | 25% |
| E-commerce and retail | 1 | 12.5% |
| Entertainment and streaming | 1 | 12.5% |
| Gaming | 1 | 12.5% |
| Government and public sector | 1 | 12.5% |
Technologies used together with Polyfill.io
| Technology | Websites | Share of Polyfill.io sites |
|---|---|---|
| Google Tag Manager | 36 | 67.9% |
| Google Fonts | 25 | 47.2% |
| Google Publisher Tag | 16 | 30.2% |
| Nginx | 15 | 28.3% |
| Cloudflare | 14 | 26.4% |
| jQuery | 14 | 26.4% |
| Google Analytics | 13 | 24.5% |
| Meta Pixel | 11 | 20.8% |
Example company websites
tabletopia.com, arenes.fr, homify.co.uk, archdaily.mx, deseretbook.com
FAQ
- How many websites use Polyfill.io?
- We detected Polyfill.io on 53 of the 66,086 websites scanned, which is a share of 0.1%. The data is dated 2026-10-28.
- Which industries use Polyfill.io most?
- Among the 8 sites with a known industry, News and media is largest with 2 sites (25.0%). E-commerce and retail, Entertainment and streaming, Gaming, and Government and public sector each have 1 site (12.5%).
- What technologies commonly appear alongside Polyfill.io?
- Google Tag Manager is the most common companion, on 36 sites (67.9%). Google Fonts follows on 25 sites (47.2%), then Google Publisher Tag on 16 sites (30.2%) and Nginx on 15 sites (28.3%).
- Which versions of Polyfill.io are in use?
- No versions could be determined. Version data was available for 0 sites, so this page does not break usage down by release.
- Which sites were detected using Polyfill.io?
- Examples from the scan include tabletopia.com, arenes.fr, homify.co.uk, archdaily.mx, and deseretbook.com. These are samples from the 53 sites where the library was detected, not a full list.
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