Common mistakes with the Next.js App Router and how to fix them – Vercel

Performance
Guide to fast websites with Next.js: Tips for maximizing server speeds and minimizing client burden – Vercel
How Core Web Vitals affect application SEO: Understanding Google page experience ranking and Lighthouse scores – Vercel
How Trendyol reduced INP by 50%, resulting in a 1% uplift on click-through rate | web.dev
A New Technique for Image Optimization: SVG Short Circuiting—zachleat.com
JSON-LD Schema Generator For SEO - SEO Consultant
I am so sorry but this free SEO tool doesn't work very well on mobile devices. ? For best performance please open this page using a device with a view
Favicon Generator for perfect icons on all browsers
The ultimate favicon generator. Design your icons platform per platform and make them look great everywhere. Including in Google results pages.
Monster Mash: New Sketch-Based Modeling and Animation Tool
Monster Mash is a new sketch-based modeling and animation tool that allows you to quickly sketch a character, inflate it into 3D, and promptly animate it. You can perform all interactions in the sketching plane. No 3D manipulation is required.
A New Way To Reduce Font Loading Impact: CSS Font Descriptors — Smashing Magazine
Web fonts are often terrible for web performance and none of the font loading strategies are particularly effective to address that. Upcoming font options may finally deliver on the promise of making it easier to align fallback fonts to the final fonts.
Angular Performance Tuning: 15 Ways to Build Sophisticated Web Apps
Explore ways and techniques to build faster Angular apps and improve the performance of your existing Angular apps in this Angular performance blog post.
The Complete Guide to Angular Performance Tuning – Christian Lüdemann
It is common to see Angular apps gradually getting slower over time. Even through Angular is a performant framework, apps will start to become slow as they grow if you are not aware of how to devel…
Server Timing in the Wild. How we expose web performance in… | by Christopher Sidebottom | BBC Design + Engineering | Medium
How we expose web performance in iPlayer
All the Ways to Make a Web Component - October 2020 Update
Compare coding style, bundle size and performance of 61 different ways to make a Web Component.
Optimizing Performance – React
A JavaScript library for building user interfaces
Flame Graphs
Homepage for Flame Graphs: a visualization for stack traces.
React is slow, what now? | NoSleep Javascript Blog
We study React applications performance from the ground up, the processes involved, the tools to measure and identify slow parts, the important metrics to take in account, how these impact the UX and the various ways there are available to make applications super fast and smooth. Grab a cup of coffee and enjoy the ride. By franleplant
Angular 2 — Improve Performance with trackBy | by Netanel Basal | Netanel Basal
The Problem:
Working with the new CSS Typed Object Model | Web | Google Developers
CSS Typed Object Model (Typed OM) brings types, methods, and a flexible object model to working with CSS values. Shipped in Chrome 66.
Improving JavaScript performance with GPU.js - LogRocket Blog
Learn how to improve your app's performance by using GPU.js (accelerated JavaScript) to perform some complex mathematical computations.
OffscreenCanvas - Web APIs | MDN
When using the element or the Canvas API, rendering, animation, and user interaction usually happen on the main execution thread of a web application. The computation relating to canvas animations and rendering can have a significant impact on application performance.
The Ultimate Guide to Web Performance 🚀 - DEV Community 👩💻👨💻
There's so many ways to speed up your site. Don't you wish every web performance tip was in one place...
Understanding memory leaks in Node.js apps - LogRocket Blog
Due to their effects on performance, it's critical to understand how memory leaks in your Node.js apps occur, how to debug them, and how to prevent them.
React.js pure render performance anti-pattern | by Esa-Matti Suuronen | Medium
Pure render optimized React components can be extremely performant but it requires users to treat their data as immutable for it to work…
Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word] — Smashing Magazine
Let’s make 2021... fast! An annual front-end performance checklist, with everything you need to know to create fast experiences on the web today, from metrics to tooling and CSS/JavaScript techniques.
DrawSVGPlugin - Plugins - GreenSock
Progressively draw any SVG line using this plugin for GSAP, a JavaScript library for high-performance HTML5 animation in all major browsers.
VisualSitemaps | Autogenerate Beautiful Sitemaps & Screenshots
VisualSitemaps automatically generates high-quality visual sitemaps of any site or app, making it fast and easy to perform in-depth site audits for SEO, UX and marketing research. Simply enter a URL and get a beautiful, thumbnail-based siteflow of your entire site.
How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts — Smashing Magazine
It’s not enough to optimize an application. You need to prevent performance from degradation, and the first step to do it is to make performance changes visible. In this article, Anton Nemtsev shows a couple of ways of showing them in the GitLab merge requests.
Helping Browsers Optimize With The CSS Contain Property — Smashing Magazine
The CSS contain property gives you a way to explain your layout to the browser, so performance optimizations can be made. However, it does come with some side effects in terms of your layout.
CSS Findings From The New Facebook Design
Angular Runtime Performance Guide - The Oasis Digital Blog