Front-End Development
11,986 items in 85 lists
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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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Grunt-svg-sprite npmjs.com
SVG sprites & stacks galore — Grunt plugin wrapping around svg-sprite that reads in a bunch of SVG files, optimizes them and creates SVG sprites and CSS resources in various flavors.
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Grunt-sprite-css-replace npmjs.com
Grunt task that generates a sprite from images referenced in a style sheet and then updates the references with the new sprite image and positions.
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New Relic Browser Monitoring newrelic.com
Real-user browser monitoring with Core Web Vitals, distributed tracing to backend, and deployment markers.
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PageSpeed Module modpagespeed.com
PageSpeed speeds up your site and reduces page load time. This open-source web server module automatically applies web performance best practices to pages and associated assets (CSS, JavaScript, images) without requiring that you modify your existing content or workflow…
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Web Performance in Action by Jeremy Wagner manning.com
Jeremy L. Wagner.
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Performance Engineering in Practice manning.com
Den Odell.
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HTTP/2 in Action by Barry Pollard manning.com
Barry Pollard.
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Kraken Web-interface kraken.io
Optimize your images and will be available for download for 12 hours.
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HTML Minifier Online kangax.github.io
A HTML min tool by kangax (HTMLMinifier Creator).
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k6 k6.io
An open-source load testing tool built for developers. Easy to integrate into CI pipelines. Tests are written in ES6 JS and you can test APIs, microservices and sites using HTTP/1.1, HTTP/2 and WebSocket.
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