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Category: JavaScript libraries

Highlight.js

Based on 31 real audits

48
Avg. Performance
85
Avg. Accessibility
90
Avg. Best Practices
88
Avg. SEO
64
Avg. Security
73
Avg. Composite
48 /100
Avg. Performance
258 ms
Avg. TTFB
73 /100
Avg. Composite
31
Sites Audited

How Highlight.js sites compare

Highlight.js sites tend to score below average on performance (48/100), compared to the global average of 57/100.

Recent Audits

View adoption trends → See all 31 websites using Highlight.js →
SitePerformanceGradeAudited
lantian.pub85B2026-07-24
www.nbmao.com63C2026-07-24
moe.best46C2026-07-24
openresty.org70D2026-04-22
hackster.io33C2026-04-22
atom.io66C2026-04-22
iii.org45D2026-04-22
confex.com78C2026-04-22
tcpdf.org47C2026-04-22
opensource.com51C2026-04-22

Commonly Used With

Sites that use Highlight.js also commonly use:

Open Graph Miscellaneous 20jQuery JavaScript libraries 18Google Tag Manager Tag managers 16Google Search Console Analytics 16Google Analytics Analytics 15Cloudflare CDN 13Tailwind CSS Framework 13Google Font API Font scripts 12HSTS Security 11Webpack Build Tool 11

Compare with...

Highlight.js vs Open GraphHighlight.js vs jQueryHighlight.js vs Google Tag ManagerHighlight.js vs Google Search ConsoleHighlight.js vs Google AnalyticsHighlight.js vs CloudflareHighlight.js vs Tailwind CSSHighlight.js vs Google Font APIHighlight.js vs HSTSHighlight.js vs Webpack

FAQ

What is the average Lighthouse performance score for Highlight.js sites?
Based on 31 real audits, Highlight.js sites score an average of 48/100 on Lighthouse performance.
How does Highlight.js compare on web security?
Highlight.js sites score an average security grade of 64/100 in BeaverCheck audits.
What is the average page load time for Highlight.js websites?
The average Time to First Byte (TTFB) for Highlight.js sites is 258ms based on 31 audits.
How can I improve my Highlight.js site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your Highlight.js site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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