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Top 10 JavaScript Optimization Projects
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We often come across large and complex SVG files full of redundancies, which can be a hassle. Fortunately, we can optimize this with SVGO, a tool that reduces the size of SVG files by removing unnecessary data without compromising quality.
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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✅ Use tools like TinyPNG or ImageMin to compress images before uploading them.
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Project mention: Website Performance Optimization: Proven Techniques for Faster Websites | dev.to | 2025-02-24
Minify CSS: Strip out comments, whitespace, and redundant code with tools like CSSNano or CleanCSS. A 100KB stylesheet might shrink to 70KB, speeding up downloads.
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next-optimized-images
🌅 next-optimized-images automatically optimizes images used in next.js projects (jpeg, png, svg, webp and gif).
Sharp and next-optimized-images help improve image performance in Next.js applications.
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Mercury
Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and GNU IceCat. (by Alex313031)
the original plan was to self-host my blog and write there but lot of stuff happend and i still haven't created a self-hosted blog. so i will stick to dev.to for my next posts as my good old waterfox classic browser was killed by "overjavascriptification" from all sides. now i am on a browser mix of my good old waterfox, librewolf and ungoogled chromium. i will evaluate thorium and mercury next. why don't i use the regular firefox? because i really don't like the direction mozilla is going to. the last wtf was the implemenation of some kind of tracking which is opt-out and not opt-in.
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gulp-app
Gulp app to automate tasks such as sass/scss compilation, images and scripts optimization, cache busting etc.
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Civic Auth
Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
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Temporary-files-cleaner
Temporary Files Cleaner - aims to improve any computer, firstly by removing all windows temporary files
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Optimization discussion
JavaScript Optimization related posts
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Mercury – Compiler optimized, private Firefox fork
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Firefox 115 ESR forks for Windows 7
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Mercury : FF's fork
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Looking for Lightweight and Good Firefox Alternatives
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Show HN: Lander, a lunar lander style web game
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[AskJS] Are there JS minifiers that can compress the code by storing and reusing repeating property/method names and strings?
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What does it mean?: *Template parameter* in Google style guide
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A note from our sponsor - SurveyJS
surveyjs.io | 15 May 2025
Index
What are some of the best open-source Optimization projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | svgo | 21,582 |
| 2 | imagemin | 5,647 |
| 3 | clean-css | 4,191 |
| 4 | next-optimized-images | 2,229 |
| 5 | Mercury | 1,408 |
| 6 | qewasd | 4 |
| 7 | gulp-app | 4 |
| 8 | wordle-solver | 3 |
| 9 | bounce-back | 3 |
| 10 | Temporary-files-cleaner | 2 |
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JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io