Underscore.js 0.x icon

Websites using Underscore.js 0.x

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

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19 live Underscore.js 0.x sites, ready to export.

That's how many Underscore.js 0.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

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Every Underscore.js 0.x website we detected in France.

Only sites where a business, company-hosted email was found.

Sites with at least one business LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Underscore.js 0.x websites on .com domains.

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Versions

Which Underscore.js 0.x versions are most used?

We could read a version number on 63% of Underscore.js 0.x sites. Of those, the most common are Underscore.js 0 (exact), on 10 sites and Underscore.js 0.1.0, on 2 sites.

83% on v0 (exact)
Versions detected
2
Sites with a version
12
Share of sites by version
v0 (exact) 83% v0.1.0 17%

How many websites use Underscore.js 0.x?

We found Underscore.js 0.x on 19 websites in our September 2026 crawl, across 13 countries.

Which countries use Underscore.js 0.x the most?

By number of websites, the top countries are France (21%, 4 sites), Denmark (11%, 2 sites), Hong Kong (11%, 2 sites), Argentina (5%, 1 site) and Australia (5%, 1 site). Together they account for 53% of the 19 Underscore.js 0.x sites we track. 32% of the sites are in English, and .com is the most used domain ending, on 32% of them.

Where are Underscore.js 0.x websites hosted?

The networks carrying the most Underscore.js 0.x sites are OVH SAS (4 sites), Cloudflare, Inc. (3 sites) and Microsoft Corporation (2 sites).

What technologies are used with Underscore.js 0.x?

Across the 19 Underscore.js 0.x sites we track, the technologies most often found alongside it are PHP (100%, 19 sites), jQuery (100%, 19 sites), MySQL (95%, 18 sites), WordPress (95%, 18 sites) and jQuery Migrate (89%, 17 sites).

Deep Dive

Breakdown of Underscore.js 0.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of Underscore.js 0.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.