7 Architecture Mistakes Even Senior Engineers Make (and How to Fix Them) Aug 10, 2025 61 architecture , career 5 Common Mistakes When Creating Design Specs May 28, 2025 60 videos , design , documentation Top 5 CSS Navigation Menu Mistakes zor /css )Apr 8, 2025 59 navigation , css , usability 10 Common Web Development Mistakes to Avoid Right Now Feb 17, 2025 58 mobile , performance , accessibility , seo , navigation , security , analytics , testing 10 Digital Accessibility Mistakes to Avoid Feb 4, 2025 57 accessibility , alt-text , images , contrast , colors , keyboard-navigation , aria , semantics , headings , labels , forms , pop-ups , testing Dumb Leadership Mistakes I’ve Made lau )Nov 4, 2024 56 leadership 10 Bad TypeScript Habits to Break in 2024 Sep 13, 2024 55 typescript Top 10 Angular Architecture Mistakes You Really Want to Avoid Sep 10, 2024 54 angular , architecture 50 TypeScript F*ck Ups Jul 22, 2024 53 books , typescript Homepage Design: 4 Common Mistakes Jul 10, 2024 52 videos , homepages , design , usability Performance Mistakes You Might Not Realize You Are Making Jun 20, 2024 51 videos , performance , angular Web Forms: Costly Mistakes You Want to Avoid geo )Apr 30, 2024 50 books , forms , usability , accessibility , maintainability A Simple Mistake That Can Screw Up Your Light/Dark Theme (and How to Fix It) kev )Feb 27, 2024 49 videos , dark-mode , css Basic Accessibility Mistakes I Often See in Audits cfe )Jan 17, 2024 48 accessibility , auditing , html , semantics , focus , links , buttons Avoid These 5 Mistakes as a Web Developer Jan 12, 2024 47 career , learning Common Vue.js Development Mistakes and How to Avoid Them Oct 16, 2023 46 vuejs First, Do No Harm: Mistakes to Avoid in Creating Accessible User Experiences Sep 5, 2023 45 accessibility , user-experience All 12 “useState” and “useEffect” Mistakes Junior React Developers Still Make in 2024 Aug 21, 2023 44 videos , react , hooks How to Highlight Required and Optional Form Fields ada )Jun 11, 2023 43 how-tos , forms , usability 3 Engineering Mistakes That Kill Startups May 2, 2023 42 architecture 10 Common Mistakes in Angular Development Apr 18, 2023 41 angular , best-practices 3 Common IA Mistakes (That Are All Due to Low Information Scent) Apr 16, 2023 40 information-architecture , information-scent , usability Are You Making These Five Mistakes When Writing Alt Text? Mar 2, 2023 39 accessibility , writing , alt-text , images Bad UX Writing: 5 Mistakes to Avoid uxm )Dec 5, 2022 38 user-experience , writing Common ARIA Mistakes and How to Avoid Them ale )Oct 17, 2022 37 accessibility , html , aria Turn Around Your Git Mistakes in 17 Ways Oct 9, 2022 36 git , productivity It’s Good to Make Mistakes tem )Sep 20, 2022 35 accessibility , design My Five Biggest Design System Mistakes Sep 12, 2022 34 design-systems 15 Common Beginner JavaScript Mistakes Jul 19, 2022 33 javascript The 10 Most Common JavaScript Issues Developers Face Jul 19, 2022 32 javascript What You Need to Know About ARIA and How to Fix Common Mistakes pop )Jul 12, 2022 31 accessibility , html , aria Bad Bad UX: 20 Common Mistakes in User Experience Jun 1, 2022 30 user-experience The “Form” Element Created the Modern Web—Was It a Big Mistake? wir )May 26, 2022 29 html , forms , history 4 Web Accessibility Remediation Mistakes to Avoid May 19, 2022 28 accessibility Design Mistakes That Hurt Your Web Site’s Conversion Rates uxm )Mar 21, 2022 27 design , user-experience , user-conversion , metrics 4 Accessibility Mistakes Plaguing Most Government Websites mgi )Mar 18, 2022 26 accessibility Making the World’s Fastest Website, and Other Mistakes Mar 15, 2022 25 performance SPAs Were a Mistake cfe )Feb 22, 2022 24 single-page-apps Common Mistakes When Writing CSS With BEM Oct 22, 2021 23 css , naming , bem Common npm Mistakes Every Developer Should Avoid Aug 30, 2021 22 npm 5 Ways to Undo Mistakes With Git Aug 23, 2021 21 git , command-line Avoid the Most Common 18 Mistakes to Make Your UI/UX Design Better Jul 30, 2021 20 design , user-experience 5 Hidden Mistakes That Can Ruin a Developer’s Career Jun 30, 2021 19 career The Biggest Mistake in Writing for the Web Apr 24, 2020 18 videos , writing , content , user-experience Top 10 Enduring Web-Design Mistakes Oct 30, 2016 17 design , usability Dyslexia, [Typos,] and Web Compatibility kar )Sep 12, 2016 16 support , interoperability , web-platform Modern Software Over-Engineering Mistakes Jul 21, 2016 15 programming , software-design 5 Career-Ending Mistakes Web Developers Make Apr 26, 2016 14 career , business-relations , communication 10 Common Mistakes Web Developers Make Aug 25, 2015 13 html , css , javascript , career , performance A Simple Developer Error Is Exposing Private Information on Thousands of Websites owe )Jul 27, 2015 12 version-control , git , vulnerabilities , security 18 Critical Oversights in Web Development Sep 12, 2014 11 errors , logging , caching , best-practices , software-design-patterns , testing , automation , auditing List of Mistakes in the Design of CSS fan )Mar 14, 2013 10 css David Walsh on Redesigning With Sass chr /css )Oct 17, 2012 9 sass , preprocessors , examples Why Web Accessibility Matters and How It Can Benefit Your Business or Website Feb 24, 2012 8 interviews , accessibility , economics , assistive-tech , w3c My Worst CSS Mistakes dav )Sep 30, 2008 7 css Weblog Usability: The Top Ten Design Mistakes Oct 17, 2005 6 blogging , usability Top Ten Web Design Mistakes of 2003 Dec 22, 2003 5 design , usability Top Web Design Mistakes sim )Jan 4, 2003 4 usability , urls Top 10 Web Design Mistakes of 2002 Dec 22, 2002 3 design , usability , retrospectives Who Commits the “Top Ten Mistakes” of Web Design? May 16, 1999 2 design , performance , usability “Top Ten Mistakes” Revisited Three Years Later May 2, 1999 1 design , frames , urls , scrolling , retrospectives 