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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
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 |
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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 |