Download websites that use CoreUI

About CoreUI

Admin panels are the half of the web that crawlers never reach. Dashboards, internal tools and back office consoles are built from the same HTML as public pages, but they sit behind an authentication wall, so a crawl of the open web catches only their edges. CoreUI is a component kit built for exactly that hidden half, a Bootstrap based set of tables, forms, charts and navigation shells that becomes an administrative interface in an afternoon.

The consequence for our number is worth stating before the number itself. As of October 2026 we detect CoreUI on 30 sites, and the figure counts pages a crawler can actually reach: public login screens, marketing sites that reuse the theme, demo and documentation installs, status pages. The dashboards behind those logins are where the code really runs, and they are unreachable by design. Treat the count as evidence of adoption rather than as a measure of it.

A page carrying the kit says something specific about the organisation behind it. Somebody built an internal tool instead of buying a product for the job, and built it with a free component library instead of commissioning a designer. The licence on the open package is MIT, which explains the appeal: entry cost is nothing, the components look finished, and a backend developer with no design help can ship a usable console. A commercial edition from CoreUI sits above the free package, so a detected install is a plausible upgrade prospect as well as a signal of build versus buy behaviour.

The project dates from 2016 and is written in JavaScript, arriving once Bootstrap had become the default grammar of business interfaces and the market wanted finished screens on top of it rather than raw utility classes. Later releases wrap the same components for the major frontend frameworks, which means one fingerprint can appear on pages assembled in quite different ways, and the detection says more about the design lineage than about the framework choice underneath.

For a researcher the useful question is who builds their own tooling. A list of sites serving the kit is a list of organisations with in-house frontend work happening right now, narrowed to those who chose free components over paid ones. Vendors selling developer tools, design systems, component libraries and hosted admin products all want that population, and a per-domain lookup cannot produce it, because producing it requires knowing which domains to check before you start. Working from the technology back to the sites removes that requirement, which is the entire difference between a lookup and a dataset.