# Compatiblizr vs HTML5 Details Polyfill

> Compatiblizr vs HTML5 Details Polyfill compared on installs, downloads, ratings, updates, compatibility and support. HTML5 Details Polyfill comes out ahead, winning 5 of 7 head-to-head checks against Compatiblizr.

**HTML5 Details Polyfill comes out ahead, winning 5 of 7 head-to-head checks against Compatiblizr.** Choose Compatiblizr if you care most about last updated and tested up to. Choose HTML5 Details Polyfill if you care most about active installs, downloads (30 days) and download trend.

| | Compatiblizr | HTML5 Details Polyfill |
|---|---|---|
| Active installs | 10+ | 50+ ✅ |
| Downloads (30 days) | 33 | 70 ✅ |
| Download trend | +10% | +70.7% ✅ |
| Rating | — | 5/5 |
| Reviews | 0 | 4 ✅ |
| Health score | 23/100 | 32/100 ✅ |
| Last updated | 12 years ago ✅ | 14 years ago |
| Tested up to | WP 3.9.40 ✅ | WP 3.4.2 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Jul 2014 | Sep 2012 |

## Frequently asked questions

### Which is better, Compatiblizr or HTML5 Details Polyfill?
HTML5 Details Polyfill comes out ahead, winning 5 of 7 head-to-head checks against Compatiblizr. Choose Compatiblizr if you care most about last updated and tested up to. Choose HTML5 Details Polyfill if you care most about active installs, downloads (30 days) and download trend.

### Is Compatiblizr more popular than HTML5 Details Polyfill?
HTML5 Details Polyfill is the more popular of the two with 50+ active installs, compared with 10+ for Compatiblizr.

### Can I use Compatiblizr and HTML5 Details Polyfill together?
Both plugins cover polyfill, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.

### Are Compatiblizr and HTML5 Details Polyfill free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/compatiblizr-vs-html5-details-polyfill/ · Generated 2026-10-14 22:25 UTC by PageForge