A side-by-side comparison of two ui & css frameworks, based on the 204,967 UI Framework sites tracked by Site Stats Database.
Last updated
| Metric | Headless UI | Pure CSS |
|---|---|---|
| Websites | 2,125 | 816 |
| Market share | 1.0% | 0.40% |
| Share of top 10K sites | 0.74% | 0.24% |
| Share of top 100K sites |
|---|
| 0.49% |
| 0.11% |
| Rank | #11 | #13 |
|---|
| Median DR | 42 | 32 |
|---|
| Average DR | 41 | 36 |
|---|
| Median keywords | 1,436 | 1,027 |
|---|
| Median referring domains | 760 | 476 |
|---|
| Median domain age | 12 yrs | 17 yrs |
|---|
| Average domain age | 13 yrs | 17 yrs |
|---|
| Average monthly traffic | 462,640 | 14,037,089 |
|---|
| Combined monthly traffic | 983,111,037 | 11,454,264,588 |
|---|
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
2,125 websites · rank #11
Top industries
Top markets
816 websites · rank #13
Top industries
Top markets
Headless UI is used by more websites in our catalog: 2,125 use Headless UI and 816 use Pure CSS.
Headless UI sites have the higher median Ahrefs Domain Rating (Headless UI: 42, Pure CSS: 32).
Between 2026-06 and 2026-07, Headless UI went from 0.30% to 0.24% of all tracked sites, while Pure CSS went from 0.11% to 0.09%. Pure CSS is gaining ground faster in our index.
0 websites in our catalog use both Headless UI and Pure CSS.
Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.
Citation
Site Stats Database. "Headless UI vs Pure CSS." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/ui-frameworks/compare/headless-ui-vs-pure-css
Site Stats Database tracks 2,125 websites using Headless UI and 816 using Pure CSS, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every UI / CSS framework by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 89 |
| 740,245 |
| 55,017 |
| 32 yrs |
| 191,512,897 |
| Headless UI |
| deepl.com | English | 90 | 257,270 | 56,098 | 16 yrs | 104,514,269 | Headless UI |
| eater.com | English | 90 | 1,555,898 | 96,287 | 25 yrs | 42,081,064 | Headless UI |
| flightaware.com | English | 82 | 627,477 | 33,829 | 21 yrs | 32,184,080 | Headless UI |
| dominos.com | English | 80 | 193,164 | 21,426 | 32 yrs | 26,430,242 | Headless UI |
| bible.com | English | 90 | 681,273 | 50,220 | 31 yrs | 17,974,483 | Headless UI |
| kitco.com | English | 83 | 52,289 | 31,544 | 30 yrs | 12,881,267 | Headless UI |
| nhm.ac.uk | English | 84 | 210,512 | 54,627 | 12,233,377 | Headless UI |
| savvycal.com | English | 79 | 30,473 | 3,397 | 5 yrs | 9,170,711 | Headless UI |
| English |
| 91 |
| 3,062,929 |
| 213,267 |
| 23 yrs |
| 104,118,446 |
| Pure CSS |
| speedtest.net | English | 91 | 24,958 | 77,058 | 27 yrs | 28,500,149 | Pure CSS |
| tasteofhome.com | English | 85 | 1,710,618 | 135,948 | 29 yrs | 20,390,049 | Pure CSS |
| wikimedia.org | English | 93 | 2,379,245 | 966,084 | 23 yrs | 19,185,929 | Pure CSS |
| wikivoyage.org | English | 81 | 643,751 | 23,679 | 19 yrs | 9,794,002 | Pure CSS |
| birdsandblooms.com | English | 71 | 172,459 | 9,925 | 27 yrs | 4,145,930 | Pure CSS |
| wheretoshoot.org | English | 55 | 6,688 | 871 | 3,951,748 | Pure CSS |
| login.yahoo.com | English | 94 | 4,737 | 14,059 | 31 yrs | 3,643,088 | Pure CSS |
| wikiquote.org | English | 86 | 419,347 | 81,377 | 22 yrs | 3,545,687 | Pure CSS |