colorado.edu

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colorado.edu is ranked #2,538 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 128 places in four weeks. Its homepage uses jQuery, Drupal, Font Awesome and Google Fonts. It is served through Fastly and Pantheon by Nginx.

Global rank

#2,538

▲ 22 this week

Domain age

—

Registration date unavailable

Technologies

detected on the homepage

SEO score

85/100

homepage checks

Popularity rank

#2,538 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #2,264.

Weekly Tranco rank (lower is more popular).

See where colorado.edu sits in the top 10,000

Domain registration

The registry for .edu does not publish registration data over RDAP.

Technology stack

JavaScript libraries

jQuery

CMS & site builders

Drupal 11

UI frameworks & fonts

Font Awesome Google Fonts

CDN

Fastly

Hosting

Pantheon

Web servers

Nginx

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

85/100

https://www.colorado.edu/

Home | University of Colorado Boulder

(no meta description)

17 passed · 5 warnings · 1 failed

Content

✓Title37 characters
✕Meta descriptionMissing
✓H1 headingExactly one H1
✓Subheadings11 H2 headings
✓Image alt textAll 7 images have alt text
✓Content lengthAbout 983 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.colorado.edu/
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
!Structured dataNo JSON-LD or microdata

Social sharing

!Open Graph1 of 3 key tags set
!Twitter / X cardMissing

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingutf-8

Security headers

✓Strict-Transport-SecuritySet
!Content-Security-PolicyNot set
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
!Referrer-PolicyNot set

Server response

Final URL: https://www.colorado.edu/
HTTP status: 200
Server: nginx
Response time: 3.91 s (first byte 3.91 s, from our scanner in a US data centre)
HTML size: 84 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#6,037	wmo.int	Drupal, Pantheon, Fastly
#1,186	upenn.edu	Drupal, Pantheon, Fastly
#2,463	ucdavis.edu	Drupal, Pantheon, Fastly
#1,139	yale.edu	Drupal, Pantheon, Fastly
#3,070	pitt.edu	Drupal, Pantheon, Fastly
#8,104	rpi.edu	Drupal, Pantheon, Fastly

Sites ranked near colorado.edu

Rank	Website	Registered	Built with
#2,533	nic.uk	—	—
#2,534	azure-dns.net	2015	—
#2,535	yammer.com	1997	—
#2,536	xxpkg.com	2020	—
#2,537	captcha-delivery.com	2019	—
#2,539	wetransfer.com	2007	Next.js, React, Amazon CloudFront
#2,540	last.fm	2002	Nginx, Google Analytics, Google Tag Manager
#2,541	lastpass.com	2005	Akamai, Google Tag Manager, Google Fonts
#2,542	smi2.net	2011	Next.js, React, Nginx
#2,543	audible.com	1996	Amazon CloudFront

Questions about colorado.edu

How popular is colorado.edu?

colorado.edu is #2,538 worldwide in the Tranco list published Oct 13, 2026.

What is colorado.edu built with?

We detected jQuery, Drupal, Font Awesome, Google Fonts, Fastly, Pantheon and Nginx on its homepage.