mod_rack icon

Websites using mod_rack

Mod_rack is a free web server and application server with support for Ruby, Python and Node.js.

Lead List Exporter

3.2k live mod_rack sites, ready to export.

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

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template

Every mod_rack website we detected in Taiwan.

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

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to mod_rack websites on .com domains.

Only sites where an organisation phone number was found.

Create your own

How many websites use mod_rack?

We found mod_rack on 3,287 websites in our September 2026 crawl, across 41 countries.

Which countries use mod_rack the most?

By number of websites, the top countries are Taiwan (52%, 1,700 sites), Hong Kong (18%, 590 sites), Singapore (15%, 497 sites), United States (5%, 149 sites) and Japan (1%, 36 sites). Together they account for 90% of the 3,287 mod_rack sites we track. 37% of the sites are in Chinese, and .com is the most used domain ending, on 88% of them.

Where are mod_rack websites hosted?

The networks carrying the most mod_rack sites are Skycloud Computing co., Ltd. (1,468 sites), Microsoft Corporation (538 sites) and Amazon.com, Inc. (531 sites).

What technologies are used with mod_rack?

Across the 3,287 mod_rack sites we track, the technologies most often found alongside it are Apache HTTP Server (100%, 3,287 sites), Phusion Passenger (100%, 3,287 sites), Ruby (100%, 3,287 sites), Ruby on Rails (100%, 3,287 sites) and mod_rails (100%, 3,287 sites).

Deep Dive

Breakdown of mod_rack websites

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

Same category

Other technologies in Web server extensions

Web server extensions technologies run on 0.95% of the websites we track. mod_rack ranks #11 of 14, on 0.68% of Web server extensions sites.

All Web server extensions technologies

FAQ

Answers drawn from our latest crawl of mod_rack 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.