Comparison · CDN
Cloudflare vs cdnjs: which do popular websites use?
As of 2026-10-02, Cloudflare is detected on 2,602 of 7,859 popular websites (33%) and cdnjs on 631 (8.0%): Cloudflare is 4.1x as common. 297 sites use both.
Adoption at a glance
| Cloudflare | cdnjs | |
|---|---|---|
| Sites using it | 2,602 | 631 |
| Share of 7,859 sites | 33% | 8.0% |
| Share of the top 1,000 sites (710 readable) | 28% | 4.2% |
| Only this one of the two | 2,305 | 334 |
Both: 297 sites. Detected on 2026-10-02 from the home page; a technology that leaves no trace there is not counted.
By site sector
| Sector | Sites | Cloudflare | cdnjs |
|---|---|---|---|
| Other | 6,305 | 34% | 7.8% |
| News | 347 | 24% | 3.5% |
| Entertainment | 314 | 49% | 8.9% |
| Education | 246 | 9.3% | 20% |
| Government | 241 | 13% | 15% |
| Technology | 133 | 29% | 2.3% |
| Finance | 97 | 41% | 6.2% |
| E-commerce | 93 | 31% | 3.2% |
Share of the sector's sites using each technology; sectors with at least 50 sites.
By top-level domain
| TLD | Sites | Cloudflare | cdnjs |
|---|---|---|---|
| .com | 4,138 | 39% | 7.4% |
| .org | 437 | 38% | 7.3% |
| .net | 333 | 40% | 6.9% |
| .ru | 258 | 1.6% | 5.0% |
| .jp | 189 | 7.4% | 8.5% |
| .io | 185 | 49% | 9.2% |
| .de | 180 | 8.3% | 0.6% |
| .edu | 159 | 12% | 25% |
| .gov | 110 | 18% | 10% |
Top-level domains with at least 100 sites.
Most popular sites using only Cloudflare
- cloudflare.com #2
- linkedin.com #11
- zoom.us #32
- vimeo.com #38
- discord.gg #61
- shopify.com #72
- base.org #75
- hosting24.com #77
- w3.org #79
- creativecommons.org #82
- doi.org #92
- nist.gov #105
- sourceforge.net #107
- cpanel.net #108
- hubspot.com #112
- roku.com #113
- wiley.com #136
- name.com #143
- weebly.com #145
- gitlab.com #161
Most popular sites using only cdnjs
- cornell.edu #257
- xbox.com #362
- kontur.ru #472
- huggingface.co #510
- acesso.gov.br #564
- weathernews.jp #643
- ucla.edu #649
- incometax.gov.in #669
- blic.rs #693
- nfse.gov.br #717
- uci.edu #752
- alphapolis.co.jp #790
- mangaraw.ac #836
- cmu.edu #847
- vice.com #924
- educationportal3.in #1,000
- adswizz.com #1,154
- nielsen.com #1,212
- trustindex.io #1,237
- geotrust.com #1,254
Each technology
- Websites using Cloudflare (2,602)
- Websites using cdnjs (631)
FAQ
- Which is more popular, Cloudflare or cdnjs?
- As of 2026-10-02, Cloudflare is detected on 2,602 of 7,859 popular websites (33%) and cdnjs on 631 (8.0%): Cloudflare is 4.1x as common. 297 sites use both.
- Which do the most popular websites prefer?
- Among the 710 sites of the top 1,000 that we could read, 196 (28%) use Cloudflare and 30 (4.2%) use cdnjs.
- Can a website use both Cloudflare and cdnjs?
- Yes: 297 of the 7,859 sites show both (3.8%); 2,305 show only Cloudflare and 334 only cdnjs.