About Highlight.js
Highlight.js is a JavaScript library for syntax highlighting, supporting 192 languages and 496 themes.
How many people use Highlight.js
GitHub · npm- #26
core-js26k - #27
Howler.js25k - #28
PhotoSwipe25k - #29Highlight.js25k
- #30
Hammer.js24k - #31
scrollreveal22k - #32
SweetAlert22k
#29 of 198 JavaScript libraries we have counts for (of 232) · bars are GitHub stars across these neighbours; the category leader is Axios at 109k · as of August 30, 2026
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Highlight.js#29 of 198 JavaScript libraries
PhotoSwipe#28 of 198 JavaScript libraries
The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.
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We measure the detected version against Highlight.js's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
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