PubSubJS Customers and Market Share (2026) | TechLeads
PubSubJS market share and customers
As of October 9, 2026, PubSubJS is used by 51,333 websites in the TechLeads index: 0.04% of all JavaScript libraries detections, the 93rd most-used of 358 JavaScript libraries technologies.
51,333
websites using PubSubJS
0.04%
share of JavaScript libraries
#93
of 358 in JavaScript libraries
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Citation
TechLeads. "PubSubJS Customers and Market Share." Data as of October 9, 2026. https://techleads.fyi/technology/pubsubjs/market-share
In HTTP Archive's monthly crawl of public websites, PubSubJS was detected on 70,559 pages in September 2026, down 35.4% from a year earlier (peak: 122,298). Among the 1,000 most-visited sites, it appeared on 29. 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.
PubSubJS 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 PubSubJS from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is PubSubJS'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 9, 2026 and update daily.
FAQ
PubSubJS accounts for 0.04% of JavaScript libraries detections in the TechLeads index (51,333 websites), which makes it the 93rd most-used of 358 JavaScript libraries technologies we track.