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Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.

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Hotjar
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An open source suite of product and data tools including product analytics, feature flags, session replay, A/B testing, surveys, and more.

Which is more popular?
PostHog might be a bit more popular than highlight.js. We know about 76 links to it since March 2021 and only 57 links to highlight.js.
Website, pricing, platforms and company facts side by side.
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| Website | highlightjs.org | posthog.com |
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| Company | — | Startup from the United States · 20 - 49 employees · 2020 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of highlight.js yet.
For developers just starting out, PostHog is a free way to understand how your product is being used, without having to send any data to 3rd parties. For enterprise customers, one data security becomes a key concern, or B2C businesses where using a SaaS solution is unaffordable, it's typical to...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of highlight.js yet.
Overall verdict
Why this product is good
Recommended for
PostHog is particularly well-suited for product teams, developers, and startups that require deep insights into user interactions and need the flexibility of a self-hosted solution. It is also a good fit for organizations that prioritize data privacy and want to maintain full control over their data.
Walkthroughs and reviews on video.
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PostHog Walk Through
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using highlight.js and PostHog. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of highlight.js yet. Be the first one to post
According to BuiltWith, as of February 2024, PostHog is used on 5,169 (0.52%) of the top 1 million websites. Hotjar is used by 72,048 of the top 1 million websites. Typical PostHog users are engineers and product...
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is...
Recommendations tracked on public social media and blogs since March 2021.


In our demo application, we're using highlight.js and Marked for markdown processing and syntax highlighting. - Source: dev.to / 6 months ago
In your website you could use https://highlightjs.org/ to syntax highlight the blocks of code. - Source: Hacker News / 11 months ago
Every time a request come in, we forward it to the pkg.go.dev server, then append the highlight.js script to the response before sending it back to the client. - Source: dev.to / over 1 year ago
Start-here: Will Google show the URL → Search Console (free). Who visited → GA4 (free standard). Product/errors → PostHog or Sentry. Is it up → UptimeRobot or Better Stack. - Source: dev.to / 8 days ago
Run eas integrations:posthog:connect and EAS CLI creates or links your PostHog project, installs the SDK and config plugin, and writes environment variables to your project and EAS. Every event PostHog captures now carries eas/update_id,... - Source: dev.to / about 1 month ago
That setup is now one command. It creates your PostHog org and project, installs the SDK, adds the config plugin, and writes your keys into .env.local and your EAS environment variables for Production, Preview, and Development. You pick... - Source: dev.to / about 1 month ago
When comparing highlight.js and PostHog, you can also consider the following products.

Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind.
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Mixpanel is the most advanced analytics platform in the world for mobile & web.
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Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
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Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure 🇪🇺
Compare Plausible.io to highlight.js or PostHog:

Generic syntax highlighter suitable for use in code hosting, forums, wikis or other applications...
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Chart Your Path to Growth with Digital Analytics
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