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Technology · Web Development

Modernizr

modernizr.com

Modernizr is a JavaScript library that detects the availability of next-generation web technologies in users' browsers. It allows developers to test for features rather than specific browser versions, enabling the creation of websites that can adapt to different browser capabilities. Modernizr helps in implementing progressive enhancement and graceful degradation strategies in web development.

Modernizr belongs toJavaScript librariescategory.

69websites

use it — 2.7% of the 2,560 websites we scanned in the last 12 months

#14of 108

tools in its category seen in our scans (we recognize 250)

8public pages

on UptimeCard — open any of them to see how that site is doing

3.34% of all websites we track run Modernizr

At a glance

UptimeCard's own scans and tests of 2,560 websites · refreshed weekly

How Modernizr sites scoreout of 100 · hover or tap a score for details

50PerformanceLowaverage site: 5088AccessibilityGoodaverage site: 8996Best practicesGoodaverage site: 9392SEOGoodaverage site: 92

Page load time

Loads about as fast as the average site

Modernizr sites
4.1 s
All sites
4.3 s

Most Modernizr sites load in 3.7–5.6 s. Home page weight: 3.1 MB vs 3.3 MB for all sites. 7 public sites measured.

Who uses it?

Technology and Software is the biggest group

Technology and Software38%
Educational Resources25%
Automotive13%
Business Services13%

Share of 8 classified public sites. “× average” compares with all 961 public sites.

How Modernizr sites are built

Closest partners. The number says how many times more often the tool runs on Modernizr sites than on an average website. Hover a partner for its share of sites.

Isotope12×Moment.js8×jQuery UI4×Slick4×LazySizes3×Bootstrap3×Google Hosted Libraries3×Font Awesome3×Lodash2×

Stacks we see most. Tools that tend to run together with Modernizr on the same websites. The percentage is the share of all 69 Modernizr sites that run the whole stack.

10 stacks · swipe, drag or use the arrows
#1

Modernizr + WordPress + Yoast SEO + Contact Form 7 + wpBakery

7.2%5 of 69 sites
#2

Modernizr + Bootstrap + OneTrust

11.6%8 of 69 sites
#3

Modernizr + Bootstrap + jsDelivr

10.1%7 of 69 sites
#4

Modernizr + Bootstrap + cdnjs

10.1%7 of 69 sites
#5

Modernizr + Bootstrap + Google Hosted Libraries + Microsoft ASP.NET

5.8%4 of 69 sites
#6

Modernizr + OneTrust + Akamai

7.2%5 of 69 sites
#7

Modernizr + WordPress + WP Rocket

7.2%5 of 69 sites
#8

Modernizr + jsDelivr + cdnjs

5.8%4 of 69 sites
#9

Modernizr + OneTrust + Varnish

5.8%4 of 69 sites
#10

Modernizr + WordPress + GSAP

5.8%4 of 69 sites

Usually installed alongside

The bigger the bubble, the more of the 69 Modernizr sites also run the tool. Colour shows what the tool does. Hover or tap a bubble for details.

Google Tag Manager71%Google Analytics67%Facebook Pixel26%Microsoft Clarity15%OneTrust22%Cart Functionality19%Yoast SEO19%
Tag managerAnalyticsCookie consentOnline storeSearch visibility

Similar tools in its category

JavaScript libraries: 250 tools known, 108 seen in our scans

lit-html155 sitesAlternativelit-element128 sitesAlternativePreact98 sitesAlternativeweb-vitals73 sitesAlternativeGoober65 sitesAlternativeAOS52 sitesAlternativeLoadable-Components44 sitesAlternativeFancyBox43 sitesAlternativejQuery1,034 sitesUsed togethercore-js779 sitesUsed togetherSwiper288 sitesUsed togetherjQuery Migrate248 sitesUsed together

Questions about Modernizr

How many websites use Modernizr?
We found Modernizr on 69 of the 2,560 websites we scanned in the last 12 months (2.7%). 8 of them have a public status page.
What is Modernizr often used with?
Among the websites we scan, Modernizr is often found alongside Bootstrap (36.2% of its sites), jQuery UI (33.3% of its sites), Facebook Pixel (26.1% of its sites).
What are the alternatives to Modernizr?
Other javascript libraries tools we recognize include jQuery, core-js, Swiper, jQuery Migrate.

Is your website built with Modernizr?

UptimeCard checks it around the clock, tells you the minute it stops answering, and gives your visitors a status page.

Monitor my site freeCreate a status page