PageSourceSearch

.NET and Blazor libraries

Websites using ASP.NET Core asp-append-version

The asp-append-version tag helper attribute appends a content hash to static file URLs for cache busting. About 3,339,061 websites in the PageSourceSearch index contain the code that reveals it; the 26 highest-ranked are listed below.

How is ASP.NET Core asp-append-version detected?

The tag helper writes ?v= followed by the 43-character base64url SHA-256 hash of the file. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:

\.(css|js)\?v=[A-Za-z0-9_-]{43}" 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 ASP.NET Core asp-append-version

Top 50 websites using ASP.NET Core asp-append-version

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 2026-10-11 00:07:26 UTC; the list stopped short of 50 because the search's budget ran out.

#WebsiteRankFound in
1 ico.org.uk 197 html https://ico.org.uk/ view source profile
2 interfax.ru 967 html https://www.interfax.ru/ view source profile
3 world-nuclear.org 1,062 html https://world-nuclear.org/ view source profile
4 haveibeenpwned.com 1,121 html https://haveibeenpwned.com/ view source profile
5 xero.com 1,203 html https://login.xero.com/identity/user/login view source profile
6 builtin.com 2,039 html https://accounts.builtin.com/Login?R…x-client-ver%3D8.16.0.0 view source profile
7 youngminds.org.uk 2,212 html https://www.youngminds.org.uk/ view source profile
8 ces.tech 3,143 html https://www.ces.tech/ view source profile
9 ibisworld.com 3,217 html https://www.ibisworld.com/ view source profile
10 alaska.gov 3,238 html https://dnr.alaska.gov/ssd/recoff/Index view source profile
11 asm.org 3,914 html https://asm.org/ view source profile
12 vcu.edu 4,099 html https://news.vcu.edu/article/jason-d…lly-the-foreign-service view source profile
13 vu.nl 4,394 html https://vu.nl/nl view source profile
14 iwf.org.uk 4,550 html https://www.iwf.org.uk/ view source profile
15 malegislature.gov 4,561 html https://malegislature.gov/ view source profile
16 wttc.org 4,898 html https://wttc.org/ view source profile
17 rijksmuseum.nl 5,043 html https://www.rijksmuseum.nl/de/besuchen view source profile
18 gettimely.com 5,673 html https://www.gettimely.com/ view source profile
19 intelligenceonline.com 5,818 html https://www.intelligenceonline.com/offers view source profile
20 insurancebusinessmag.com 6,240 html https://www.insurancebusinessmag.com/asia/ view source profile
21 aaos.org 6,335 html https://www.aaos.org/ view source profile
22 michiganbusiness.org 6,388 html https://www.michiganbusiness.org/ view source profile
23 alz.org 6,659 html https://www.alz.org/ view source profile
24 bma.org.uk 6,662 html https://authgateway.bma.org.uk/Accou…6x-client-ver%3D7.7.1.0 view source profile
25 project-syndicate.org 6,697 html https://www.project-syndicate.org/ view source profile
26 cnblogs.com 6,698 html https://about.cnblogs.com/corp-blog view source profile

How it appears in the source

From ico.org.uk (html):

avicon.ico" />      <link rel="stylesheet" type="text/css" href="/css/site.css?v=0MCHJLz1mLyP9Mf9JU-lmpw9JsNIPZLjVUwbmWztk1M" />              </head>  <body id="top" class="bg-white min-h-screen ">

See every site: search for \.(css|js)\?v=[A-Za-z0-9_-]{43}"

Questions about finding ASP.NET Core asp-append-version

How does PageSourceSearch know a website uses ASP.NET Core asp-append-version?
By the source itself: The tag helper writes ?v= followed by the 43-character base64url SHA-256 hash of the file. 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 ASP.NET Core asp-append-version?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 3,339,061 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 ASP.NET Core asp-append-version 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 \.(css|js)\?v=[A-Za-z0-9_-]{43}" with wp-content/plugins/ lists the WordPress sites that use ASP.NET Core asp-append-version.