PageSourceSearch

npm packages on CDNs

Websites using flipdown (npm)

flipdown is an npm package; the sites listed here load it from the jsDelivr CDN, where it is among the most requested packages. 13 websites in the PageSourceSearch index contain the code that reveals it; the 13 highest-ranked are listed below.

How is flipdown (npm) detected?

A page loading flipdown from jsDelivr references cdn.jsdelivr.net/npm/flipdown 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/flipdown[@/] 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 flipdown (npm)

Top 50 websites using flipdown (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 06:12:45 UTC.

#WebsiteRankFound in
1 opendoors.construction 196,988 html https://opendoors.construction/countdown/ view source profile
2 shikshak.co.uk 214,687 html https://shikshak.co.uk/ view source profile
3 stepzero.tech 1,901,190 html https://stepzero.tech/ view source profile
4 mbzirc.com 1,952,202 html https://www.mbzirc.com/ view source profile
5 naturtintusa.com 2,069,234 html https://naturtintusa.com/ view source profile
6 doctorarthritis.org 2,481,454 html https://doctorarthritis.org/ view source profile
7 distributel.ca 2,652,044 html https://www.distributel.ca/ view source profile
8 fasulin.com 3,842,088 html https://www.fasulin.com/ view source profile
9 kaikahele.com 6,628,416 html https://kaikahele.com/ view source profile
10 kikomilano.com.tr 6,741,708 html https://www.kikomilano.com.tr/ view source profile
11 commarker.com 6,865,511 html https://store.commarker.com/account/…?return_url=%2Faccount view source profile
12 ibsl.lk 7,006,493 js https://myibsl.ibsl.lk/492.51f11bccc201bbda.js view source profile
13 enterate.com 8,389,710 html https://enterate.com/ view source profile

How it appears in the source

From opendoors.construction (html):

.jsdelivr.net/npm/[email protected]/slick/slick.css"/>  <!-- FlipDown CSS --> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/flipdown.min.css">  <!-- FlipDown JS -->

See every site: search for cdn\.jsdelivr\.net/npm/flipdown[@/]

Questions about finding flipdown (npm)

How does PageSourceSearch know a website uses flipdown (npm)?
By the source itself: A page loading flipdown from jsDelivr references cdn.jsdelivr.net/npm/flipdown 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 flipdown (npm)?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of 13 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 flipdown (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/flipdown[@/] with wp-content/plugins/ lists the WordPress sites that use flipdown (npm).