FancyBox Customers and Market Share (2026) | TechLeads
FancyBox market share and customers
As of October 8, 2026, FancyBox is used by 1,404,904 websites in the TechLeads index: 1.1% of all JavaScript libraries detections, the 20th most-used of 357 JavaScript libraries technologies.
1,404,904
websites using FancyBox
1.1%
share of JavaScript libraries
#20
of 357 in JavaScript libraries
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Citation
TechLeads. "FancyBox Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/fancybox/market-share
In HTTP Archive's monthly crawl of public websites, FancyBox was detected on 2,958,315 pages in September 2026, down 16.0% from a year earlier (peak: 4,264,285). Among the 1,000 most-visited sites, it appeared on 53. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.
Same month, other JavaScript Libraries technologies in HTTP Archive: jQuery 32,400,479, core-js 20,296,277, jQuery Migrate 14,931,388, jQuery UI 10,564,965, Swiper 7,844,933.
FancyBox customers by country
Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.
TechLeads scans public websites and detects FancyBox from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is FancyBox's website count divided by the website counts of all JavaScript libraries technologies we track; a site using two JavaScript libraries tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
FAQ
FancyBox accounts for 1.1% of JavaScript libraries detections in the TechLeads index (1,404,904 websites), which makes it the 20th most-used of 357 JavaScript libraries technologies we track.