Software Alternatives & Startups

highlight.js VS Scroll Test

Compare highlight.js VS Scroll Test and see what are their differences

highlight.js

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

Rating
0 reviews
Pricing
Open source
Scroll Test

Online scroll test tool that detects potential mouse wheel issues using multiple algorithms and displays wheel data in real time through charts.

No screenshot yet
Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, highlight.js seems to be more popular. It has been mentioned 57 times since March 2021.

social mentions
57 vs 0
App Reviews popularity
100% vs 0%
alternatives listed
53 vs 16

Base details

Website, pricing, platforms and company facts side by side.

highlight.js
ST
Scroll Test
Website highlightjs.org scrolltest.net
Pricing
Open source
—
Listed in

Features and specs

What each product offers, as listed by its team.

highlight.js 5 features
ST
Scroll Test 5 features
  • Wide Language Support
    Highlight.js supports a comprehensive range of programming languages out of the box, making it versatile for various projects.
  • Automatic Language Detection
    It can automatically detect the programming language of a code block, reducing the setup time and effort for developers.
  • Customization
    Highlight.js offers numerous themes and customization options, allowing developers to easily tailor the syntax highlighting to match their application's aesthetic.
  • Lightweight and Fast
    The library is lightweight and performs efficiently, ensuring quick load times and a seamless user experience.
  • Open Source
    As an open-source project, Highlight.js benefits from community contributions and is free to use, modify, and distribute.

Possible disadvantages

  • Limited Dynamic Features
    Highlight.js is primarily used for static code block highlighting and lacks advanced features like real-time editing or complex code analysis.
  • Manual Updates
    New languages or updates may not be immediately available, requiring users to manually update the library or find alternatives for less common languages.
  • Performance Degradation on Large Files
    Highlight.js may experience performance issues when rendering very large code files, potentially slowing down page load times.
  • Dependency Management
    As with many JavaScript libraries, managing dependencies and ensuring compatibility with other libraries or frameworks can be challenging.
  • Simple and Focused Tool
    Scroll Test provides a straightforward, single-purpose tool for testing how far users scroll on a webpage. Its simplicity makes it easy to understand and use without a steep learning curve.
  • Visual Heatmap Results
    The tool generates visual scroll heatmaps that clearly show where users stop scrolling on a page, making it easy to interpret data and identify content placement issues at a glance.
  • Quick Setup
    Setting up a scroll test is relatively fast and uncomplicated. Users can upload a screenshot or URL and start collecting data without extensive technical configuration.
  • Useful for Content Prioritization
    Scroll Test helps designers and marketers understand which content areas get the most visibility, enabling better decisions about where to place important calls-to-action and key information.
  • Free or Low-Cost Option
    Scroll Test offers an accessible entry point for individuals and small teams who need basic scroll-depth analytics without investing in expensive enterprise-level UX research tools.

Possible disadvantages

  • Limited Feature Set
    Compared to comprehensive UX testing platforms like Hotjar or Crazy Egg, Scroll Test is quite limited in scope. It focuses only on scroll behavior and lacks click tracking, session recordings, or A/B testing features.
  • Small or Unclear User Base
    As a niche tool, Scroll Test may have a smaller community and fewer integrations compared to mainstream analytics platforms, which can limit support resources and third-party compatibility.
  • Limited Analytics Depth
    The tool provides basic scroll data but may lack advanced analytics features such as segmentation by device type, traffic source, or user demographics for more granular insights.
  • Potential Sample Size Issues
    Getting statistically significant results may be challenging, especially for lower-traffic sites, as the tool relies on collecting enough participant data to draw meaningful conclusions.
  • Less Actively Maintained
    Being a smaller, niche tool, Scroll Test may not receive frequent updates or new feature additions compared to larger competitors, potentially leading to compatibility issues with modern browsers or websites over time.

Analysis

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

highlight.js
ST
Scroll Test

No analysis of highlight.js yet.

Overall verdict

  • Scroll Test (scrolltest.net) is a lightweight, free online tool that measures scroll wheel input rate, responsiveness, and consistency, making it a handy utility for gamers and users who want to check their mouse's scrolling performance without installing software.

Why this product is good

  • Free and instantly accessible via browser with no downloads required
  • Simple, easy-to-understand interface for quickly testing scroll input
  • Useful for diagnosing mouse hardware issues like inconsistent or skipped scrolling
  • Provides real-time feedback on scroll speed and behavior
  • No account or sign-up needed to use the tool

Recommended for

  • Gamers checking mouse responsiveness for competitive play
  • Users troubleshooting a malfunctioning or aging scroll wheel
  • People testing new mice or peripherals before purchase decisions
  • IT technicians verifying hardware performance for support tickets
  • Casual users curious about their mouse's scrolling capabilities

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
highlight.js
ST
Scroll Test
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using highlight.js and Scroll Test. For example, how are they different and which one is better?

Log in or Post with

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

highlight.js 57 mentions
ST
Scroll Test 0 mentions
  • Angular’s New injectAsync() API Explained
    In our demo application, we're using highlight.js and Marked for markdown processing and syntax highlighting. - Source: dev.to / 6 months ago
  • Open-Source N8N Alternative for Workflow Building (GUI and Docker Included)
    In your website you could use https://highlightjs.org/ to syntax highlight the blocks of code. - Source: Hacker News / 11 months ago
  • A better pkg.go.dev
    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

View more

Tracking Scroll Test since Apr 2026.

Alternatives to highlight.js and Scroll Test

When comparing highlight.js and Scroll Test, you can also consider the following products.