Websites using libheif-js (npm)
libheif-js is an npm package; the sites listed here load it from the jsDelivr CDN, where it is among the most requested packages. 7 websites in the PageSourceSearch index contain the code that reveals it; the 7 highest-ranked are listed below.
How is libheif-js (npm) detected?
A page loading libheif-js from jsDelivr references cdn.jsdelivr.net/npm/libheif-js followed by a version or a path. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
cdn\.jsdelivr\.net/npm/libheif\-js[@/] regex Search the index for it
A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About libheif-js (npm)
Top 50 websites using libheif-js (npm)
Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-09-30 11:04:30 UTC.
| # | Website | Rank | Found in | |
|---|---|---|---|---|
| 1 | claid.ai | 22,843 | js https://claid.ai/2001-b1b3a75b8e74d9c6794c.js | view source profile |
| 2 | 5na5.ru | 222,071 | js https://5na5.ru/js/main.js?v=28336029b0 | view source profile |
| 3 | convertpdfonline.net | 371,135 | js https://convertpdfonline.net/js/converter.js | view source profile |
| 4 | mioffice.ai | 1,846,337 | js https://mioffice.ai/sw.js | view source profile |
| 5 | tuxpi.com | 2,219,867 | js https://www.tuxpi.com/static/js/edit…ditor.1788873403.min.js | view source profile |
| 6 | maxlife.com | 7,325,657 | html https://app.maxlife.com/glp1starter?utm_owner=homepage | view source profile |
| 7 | socialsomm.com | 7,464,247 | html https://socialsomm.com/ | view source profile |
How it appears in the source
From claid.ai (js):
.start&&t.start(),t.postMessage(Object.assign({id:i},r),n)})}importScripts("https://cdn.jsdelivr.net/npm/[email protected]/libheif-wasm/libheif-bundle.js");var R=libheif(),F=function(){function e(){}r
See every site: search for cdn\.jsdelivr\.net/npm/libheif\-js[@/]
Questions about finding libheif-js (npm)
- How does PageSourceSearch know a website uses libheif-js (npm)?
- By the source itself: A page loading libheif-js from jsDelivr references cdn.jsdelivr.net/npm/libheif-js followed by a version or a path. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
- Is this a complete list of websites using libheif-js (npm)?
- No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of 7 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
- How do I find websites that use libheif-js (npm) together with another technology?
- Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example cdn\.jsdelivr\.net/npm/libheif\-js[@/] with wp-content/plugins/ lists the WordPress sites that use libheif-js (npm).