Websites Using Day.js

Day.js is a JavaScript library. Site Stats Database detects it on the websites it tracks by analyzing each site's homepage, response headers, and DNS, and has currently found it on 602 websites.

Site Stats Database currently tracks 602 websites using Day.js. That makes it the #53 most common js library out of 86 we detect in this category.

The most common are Rental, Dumpster, and Books sites, and they are most common in United States and Spain. The breakdowns above show the full split across topics, markets, authority, and monetization, based on the 602 websites using Day.js we track.

Day.js is one of 86 javascript libraries Site Stats Database detects. Browse the JavaScript Libraries category page for the full list ranked by usage. Because these serve many different purposes, we do not pit them head-to-head.

They have roughly average authority: the median Day.js site has an Ahrefs Domain Rating of 30, about the same as the 28 median across all sites Site Stats Database tracks.

Over the last 2 months, the number we track grew 24% and their combined traffic rose 3.4%, based on Site Stats Database's month-by-month snapshots of this group.

Traffic estimates, organic keywords, and authority come from DataForSEO; Domain Rating comes from Ahrefs' public endpoint; and technology detection (including Day.js) comes from Site Stats Database's own crawler, which inspects each site's HTML, headers, and infrastructure.

At least monthly. Traffic and rankings refresh every month, and technology detections are refreshed as sites are re-crawled, so this page always reflects the current 602 Day.js websites.

Yes. The complete, filterable list of all 602 Day.js websites, enriched with traffic history, authority, keywords, and the full tech stack, is available with a Site Stats Database plan.