HeadJS vs jQuery UI
Head-to-head usage across the sites we track.
Top sites by authority
HeadJS · jQuery UI · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
149
Open Page Rank 8+
60
3,179
Open Page Rank 7+
157
15,312
Open Page Rank 6+
242
32,126
Open Page Rank 5+
337
60,154
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
HeadJS · jQuery UI · share of sites in each country using one or the other
United States
4,363
585,514
India
976
254,733
Germany
1,335
246,243
France
897
210,785
Brazil
635
208,190
United Kingdom
1,045
201,723
Italy
760
195,443
Spain
728
180,678
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HeadJS | jQuery UI |
|---|---|---|
| LCP | 1.6 s | 2.2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1100 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
HeadJS to jQuery UI
| Domain | When |
|---|---|
| lowaltitudeeconomy.aero | Jun 2026 |
| guardrice.com | Apr 2026 |
| servicecentre-mysore.in | Mar 2026 |
| gdutech.com | Feb 2026 |
| fshd-spain.org | Feb 2026 |
| tiempolibreb612.es | Jan 2026 |
| hsc.on.ca | Dec 2025 |
| activ4.com | Nov 2025 |
| oceanfrontcottage.com | Sep 2025 |
| breckenridgeresortmanagers.com | Sep 2025 |
jQuery UI to HeadJS
| Domain | When |
|---|---|
| pcsd.ms | Jun 2026 |
| nmn.de | Mar 2026 |
| mercyhs.com | Dec 2025 |
| activ4.com | Nov 2025 |
| ultimatebimmerservice.com | Oct 2025 |
| oceanfrontcottage.com | Sep 2025 |
| breckenridgeresortmanagers.com | Sep 2025 |