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
147
Open Page Rank 8+
61
3,134
Open Page Rank 7+
153
15,112
Open Page Rank 6+
237
31,703
Open Page Rank 5+
333
59,237
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
4,298
571,404
India
972
248,863
Germany
1,299
241,117
France
889
214,196
Italy
766
201,839
Brazil
629
201,788
United Kingdom
1,049
200,445
Spain
764
191,362
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, Sep 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 |
|---|---|
| americanphotonics.com | Jul 2026 |
| 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 |
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 |