Front-End Development
12,079 items in 85 lists
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30 Seconds of CSS 30secondsofcode.org
A curated collection of useful CSS snippets you can understand in 30 seconds or less.
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Yandex CDN yandex.ru
Yandex Content Delivery Network hosts popular third-party JavaScript and CSS libraries (best for use in Russia).
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We Love Speed welovespeed.com
Born from the desire to share knowledge and experiences in web performance as widely as possible.
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WebPerformance Report webperformancereport.com
Web performance report every week in your inbox. Get a Personalized Report on the Status of the E-commerce or Website that you want to monitor in terms of Web performance and Web optimization, Core Web Vitals are included.
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Code Splitting (Webpack) webpack.js.org
Official guide to splitting JavaScript bundles for faster initial load and on-demand loading.
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Google Developers Case Studies web.dev
Learn why and how other developers have used the web to create amazing web experiences for their users.
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Waterfall Tools waterfall-tools.com
Advanced client-side network request waterfall viewer for HAR, WPT JSON, Chrome traces/netlogs, and tcpdump captures.
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Navigation Timing w3c.github.io
This specification defines a unified interface to store and retrieve high resolution performance metric data related to the navigation of a document.
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Web Performance Working Group w3.org
The mission of the Web Performance Working Group, part of the Rich Web Client Activity, is to provide methods to measure aspects of application performance of user agent features and APIs.
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Performance Timeline w3.org
This specification defines a unified interface to store and retrieve performance metric data. This specification does not cover individual performance metric interfaces.
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Resource Hints w3.org
This specification defines the dns-prefetch, preconnect, prefetch, and prerender relationships of the HTML Link Element (<link>). These primitives enable the developer, and the server generating or delivering the resources, to assist the user agent in the decision process of…
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UptimeRobot uptimerobot.com
Another uptime monitoring tool (with a generous free plan).
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Trimage trimage.org
A cross-platform tool for losslessly optimizing PNG and JPG files.
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Pingdom site Speed Test tools.pingdom.com
Test the load time of that page, analyze it, and find bottlenecks.
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Third Party Analysis Tool tools.paulcalvano.com
Analyze third-party request risk, render-blocking impact, and potential single points of failure from WebPageTest runs.
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Web Font Analyzer tools.paulcalvano.com
Inspect font loading timing, payload, and glyph usage using WebPageTest data.
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Akamai mPulse Boomerang techdocs.akamai.com
Documentation for the Akamai mPulse version of Boomerang, which includes additions specific to interacting with mPulse.
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StatusList statuslist.app
Uptime, performance monitoring with debug details, and hosted status page in one simple dashboard.
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Sprite Cow spritecow.com
Get the background-position, width, and height of sprites within a spritesheet as copyable CSS.
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SpeedCurve speedcurve.com
Web performance monitoring combining synthetic testing, RUM, Lighthouse, Core Web Vitals, performance budgets, and competitive benchmarking.
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Socialite.js socialitejs.com
Socialite provides a very easy way to implement and activate a plethora of social sharing buttons — any time you wish. On document load, on article hover, on any event.
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Image Optimization smashingmagazine.com
Addy Osmani.
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Lean sites sitepoint.com
Barbara Bermes.
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Shortpixel shortpixel.com
Compress Your Image by removing unnecessary bytes of the image and Convert it into WebP/AVIF.
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RFC 9218: HTTP Prioritization rfc-editor.org
Protocol-level prioritization mechanisms for HTTP.
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ResponsiveImage responsive-image.dev
Generate optimized images (WebP, AVIF) and LQIP placeholders using Vite or Webpack plugins and render responsive image markup with an image component for multiple frameworks.
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RequireJS requirejs.org
JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.js.
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Request Map requestmap.webperf.tools
Visualize first- and third-party request dependencies as an interactive map.
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jQuery releases.jquery.com
Official CDN for the latest stable releases, powered by MaxCDN.
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PWA Summit pwasummit.org
A free, online, single-track conference focused on helping everyone succeed with Progressive Web Apps.
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Linux, Apache, MySQL, PHP Performance end-to-end play.google.com
Colin McKinnon.
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performance.now() perfnow.nl
The performance.now() conference will return to Amsterdam! We're a single-track conference with fourteen world-class speakers, covering today’s most important web performance insights.
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PerfMatters perfmattersconf.com
Conference is the ONLINE web performance conference by internationally renowned performance developers.
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PageSpeed Insights pagespeed.web.dev
Lab and field CWV diagnostics for any URL.
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Pagelocity pagelocity.com
A web performance optimization and analysis tool.
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PageGym pagegym.com
Advanced page speed analysis and optimization tool for experienced users and technical SEO professionals.
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PageCDN pagecdn.com
A state-of-the-art opensource CDN with aggressive content optimization using brotli-11 compression, HTTP/2 server push, better HTTP/2 multiplexing, and more. Supports 100s of libraries and 2000+ WordPress themes already. Easy to use, easy to link, and very fast.
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You Don't Know JS: Async & Performance oreilly.com
Kyle Simpson.
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Web Performance Tuning oreilly.com
Patrick Killelea.
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Web Performance Engineering in the Age of AI oreilly.com
Addy Osmani.
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Using WebPagetest oreilly.com
Rick Viscomi, Andy Davies, Marcel Duran.
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Time Is Money: The Business Value of Web Performance oreilly.com
Tammy Everts.
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High Performance Web Sites: Essential Knowledge for frontend Engineers oreilly.com
Steve Souders.
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High Performance Responsive Design: Building Faster Sites Across Devices oreilly.com
Tom Barker.
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High Performance JavaScript oreilly.com
Nicholas C. Zakas.
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Even Faster Web Sites: Performance Best Practices for Web Developers oreilly.com
Steve Souders.
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OptiPNG optipng.sourceforge.net
PNG optimizer that recompresses image files to a smaller size without losing information.
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Perfjankie npmjs.com
Runtime Browser Performance regression suite (Demo).
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Gulp-svgmin npmjs.com
Minify SVG with SVGO for Gulp.
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