Certificates.Dev

go.certificates.devCertification for Laravel | Created by Top Laravel ExpertsValidate your Laravel skills through real-world coding challenges and hands-on certification exams built by Laravel experts.

2 Feb

🚀Launching soon: Certification for Laravel Our first backend cert & most advanced yet. Created with @LaravelCert & designed by experts to assess job-ready Laravel skills for full stack devs. Early Bird launch specials are coming – sign up for updates👇 https://go.certificates.dev/larax

4 June

🤖Coming Soon: The AI-Driven Development Certification The first certification designed to validate your ability to build faster, make better decisions, and ship real software with AI as part of your workflow. Join the waitlist 👇 http://go.certificates.dev/ai

certificates.devThe Laravel Request Lifecycle, Step by StepFollow a Laravel HTTP request from start to finish, exploring when the container is built, service providers run, and controllers execute—demystifying the framework step by step.

26 May

Your Laravel controller is not the start of the story. By the time it runs, the framework has already gone through a full lifecycle you never see. We broke down the entire request flow step by step. Read it here👇 https://certificates.dev/blog/the-laravel-request-lifecycle-step-by-step

certificates.devPlain Vue or going Meta?Using Vue plainly or adding Nuxt to it: side-by-side comparison of building the same features in plain Vue and Nuxt, so you can see exactly what the framework gives you.

25 May

Plain Vue vs Nuxt ⚖️ Same app features, two different ways of building: 📁 Routing ⚡ SSR data fetching 📦 Auto-imports 🔐 Env variables Our side-by-side breakdown shows exactly what Nuxt adds (& what it replaces) in real code 👇 https://certificates.dev/blog/plain-vue-or-going-meta

certificates.devAccessibility in React: Common Mistakes and How to Fix ThemA look at the most common accessibility mistakes in React applications: missing semantics, broken focus management, unlabeled elements, and silent dynamic updates. Covers what to fix, when to use component libraries, and how to audit your app.

22 May

Most React apps “work”… until you try using them properly ⚠️ Buttons that aren’t buttons. Focus that disappears. Updates nobody hears. Our guide shows the patterns that cause it and what to fix first. 👇 https://certificates.dev/blog/accessibility-in-react-common-mistakes-and-how-to-fix-them

certificates.devComposable Best Practices in NuxtLearn how to use composables in Nuxt effectively, avoid common SSR and state pitfalls, and build production-ready patterns in this practical 15-minute guide.

20 May

Nuxt composables can quietly cause SSR issues ⚠️ duplicate logic ⚠️ state resets ⚠️ double fetching ⚠️ hydration bugs Our guide shows practical patterns using `useState`, `useAsyncData`, & clean composition.👇 https://certificates.dev/blog/composable-best-practices-in-nuxt

19 May

📜 New Cheat Sheet: Routing in Nuxt Nuxt routing feels simple… until you’re debugging nested routes, dynamic params, layouts, or navigation behaviour in a real app. Save it, reference it, use it while building. Want the full cheatsheet? Check the thread 👇

19 May

Download our new Routing in Nuxt Cheat Sheet here 👇 https://certificates.dev/cheat-sheets/routing-in-nuxt

14 May

📜New Cheat Sheet: Vue Directives Vue directives look simple… until you’re debugging why something isn’t rendering, updating, or reacting the way you expected 👀 Save it, reference it, use it while building. Want the full cheatsheet? Check the thread.

14 May

Download our new Vue Directives Cheat Sheet here 👇 https://certificates.dev/cheat-sheets/vue-directives

certificates.devJavaScript Mistakes That Quietly Destroy Production AppsSome JavaScript mistakes don’t crash your app, they slowly degrade performance, reliability, and user trust. Here are the ones that cost the most in production.

13 May

certificates.devHandling Content in NuxtA practical walkthrough of @nuxt/content for querying, rendering, and navigating markdown-based content in Nuxt.

7 May

Building a blog in Nuxt? You might not need a database 👀 `@nuxt/content` turns markdown into a queryable data layer ⚡ Filter, sort, generate navigation & even use Vue components inside content Simple setup, powerful results Learn how 👇 https://certificates.dev/blog/handling-content-in-nuxt

certificates.devAccessible Vue AppsBuild more accessible Vue apps with practical guidance on semantic HTML, ARIA bindings, focus management, accessible routing, keyboard navigation, and common mistakes to avoid.

4 May

Accessibility isn’t a “later” task 👀 Most Vue issues come from: wrong HTML, lost focus, missing ARIA, poor keyboard support The fix? Use semantic HTML, manage focus, and let Vue’s reactivity handle the rest Learn how 👇 https://certificates.dev/blog/accessible-vue-apps

certificates.devAI Coding in React: What You Still Need to KnowAI tools like Cursor and Copilot make React development faster, but your React knowledge determines how good the output is. Here's what you need to know.

28 Apr

AI can write React code but it can’t fix bad React knowledge ⚠️ Learn how to guide Copilot & Cursor to avoid buggy hooks, messy state, and unmaintainable components. Stay in control 👇 https://certificates.dev/blog/ai-coding-in-react-what-you-still-need-to-know

24 Apr

📜 React Cheatsheet: React Component Patterns Ever opened a React codebase and thought “why is this structured like this?” 🤔 Component patterns are what make apps scalable and maintainable. Save it for later. Want to download the full cheatsheet? Check below 🧵

24 Apr

Download our React Component Patterns Cheat sheet here 👇 https://certificates.dev/cheat-sheets/react-component-patterns

certificates.devReactivity Best Practices in VueLearn Vue 3 reactivity best practices, including ref vs reactive, computed caching, watch vs watchEffect, common pitfalls, and performance tips.

23 Apr

Vue's reactivity is powerful… but it’s where most bugs hide 👀 ref vs reactive? computed vs watch? watch vs watchEffect? Small choices = big impact on performance & bugs. Learn the patterns that actually matter 👇 https://certificates.dev/blog/reactivity-best-practices-in-vue

certificates.devCustom Errors in JavaScript: Extending Error the Right WayLearn how to extend JavaScript’s Error class correctly, build error hierarchies, and wrap exceptions for clean, scalable error handling.

21 Apr

JS errors shouldn’t slow you down. Learn to: 🛠 Extend Error correctly 📂 Build structured hierarchies 🔄 Wrap exceptions to maintain control ⚡ Keep your code reliable & maintainable More info👇 https://certificates.dev/blog/custom-errors-in-javascript-extending-error-the-right-way

certificates.devLazy-loading with @deferMaster Angular lazy-loading with @defer and learn how to control triggers, placeholders, loading behaviour, and error states for standalone components.

16 Apr

Slow Angular apps? 😬 Stop shipping unused code! @defer lets you lazy-load standalone components on your terms: triggers, placeholders, loading & error states. Make your apps faster 👇 https://certificates.dev/blog/lazy-loading-with-at-defer

certificates.devBuilding a Blog app with Nuxt Content and Agentic AINuxt and Agentic AI: MCPs explained, setting up a Nuxt project with Claude Code, guiding the agent with good prompts (bad vs good prompt examples), MCP context-awareness, finishing and polishing

9 Apr

You can build a Nuxt blog in 30 mins… if you know how to guide your AI 🤖 Agentic AI + MCPs = context-aware code that fits your project (not generic snippets). The real skill? Writing better prompts. Learn how 👇 https://certificates.dev/blog/building-a-blog-app-with-nuxt-content-and-agentic-ai

3 Apr

Huge congrats to Leonid Radostnov and Mostafa Abdelmajied - the very first developers to earn our Junior Certification for Laravel! 🎉 Want to join them? Find out more👇 https://certificates.dev/laravel

certificates.devWhat Does Zoneless Angular Mean?Explore what “zoneless” Angular means—how change detection works without Zone.js, what triggers updates instead, and the best practices (Signals, OnPush, async pipe) to get ready.

2 Apr

Angular 20 is Zoneless! ⚡ No more Zone.js- change detection now relies on Signals, OnPush, async pipes & direct checks. Follow best practices & you’re ready for cleaner, faster apps. Learn more here 👇 https://certificates.dev/blog/what-does-zoneless-angular-mean

certificates.devDeveloper Certification for Teams | Certify Engineers at ScaleCertify your developers at scale with enterprise-ready exams for Vue, React, Angular, Nuxt, JavaScript, and Laravel. Track cohorts, pass rates, and skill levels.

26 Mar

Your team is growing… but are skills keeping up? Engineers move squads, knowledge drifts, onboarding stalls. What if you could track expertise and certify skills - without the guesswork? Discover how 👇 https://certificates.dev/for-teams

go.certificates.devReact Junior Certification - Free for 48 hoursLimited-time React certification giveaway. Get certified for free, validate your React fundamentals, and take the exam anytime within 3 years.

25 Mar

Start your React certification journey for FREE! ⚡ Earn your React Junior Certification (Exam Only), prove your core React skills, and showcase your fundamentals. Claim it here👇 https://go.certificates.dev/gwx

certificates.devJavaScript Modules Explained: The Foundation of Modern JS ApplicationsA deep, practical explanation of JavaScript ES Modules: execution model, shared exports, strict mode, browser rules, and real-world implications.

23 Mar

Struggling with messy JS apps or unexpected bugs? ⚠️ See a full, practical breakdown of how modules actually work 👇 https://certificates.dev/blog/javascript-modules-explained-the-foundation-of-modern-js-applications

18 Mar

Some JavaScript bugs don’t crash your app - they silently drain performance, reliability & user trust. ⚠️ Learn the mistakes even experienced devs make and how to prevent them 👇 https://certificates.dev/blog/javascript-mistakes-that-quietly-destroy-production-apps

12 Mar

Happening right now at Vue.js Amsterdam, our own Reza Baar is delivering his live talk“Reactivity in Vue: Thinking in Signals”! 🌟 Catch the livestream and watch his session live now: https://www.youtube.com/watch?v=JvatoqX595I

certificates.devCertification of Competency for Modern DevelopersGet Certified! Have your developer skills validated and stand out in the crowd for promotions and new positions.

11 Mar

🇳🇱Vue.js Amsterdam kicks off tomorrow, & we can’t wait to be there! To celebrate, we’re have a limited-time offer:purchase any Official Vue or Nuxt Exam + Prep Bundle & get upgraded to the Bootcamp Bundle for FREE. Earn your official recognition👇 https://certificates.dev/#available-certificates

10 Mar

Our Angular Senior Bootcamp kicks off in 1 week! 🚀 3 days with Alain Chautard: signals, Redux, lazy-loading, advanced TS/JS, RxJs, forms, security & testing. Already have a bundle? Reserve your spot! New? Upgrade or join today to join. 🔗 https://certificates.dev/angular

certificates.devAngular Signal Forms — Set-up and validation rulesThe article explains Angular’s experimental Signal Forms (introduced with Angular 21), showing how they provide a third approach to building forms alongside template-driven and reactive forms by using signals to manage form data, state, and validation more directly and intuitively, including centralized, reusable validation rules and simpler access to field status like validity, errors, and user interaction.

6 Mar

Angular 21 introduced Signal Forms ⚡ Manage form data, state & validation more intuitively. Centralized, reusable rules make form logic simpler than ever. Explore the setup, template binding & validation 👇 https://certificates.dev/blog/angular-signal-forms-set-up-and-validation-rules

5 Mar

🛠️ Angular Modern Template Syntax Modern Angular templates make handling conditions, loops, selections, local variables, and lazy-loaded views cleaner and more intuitive. Less boilerplate, more control. 📥 Grab the cheat sheet: https://certificates.dev/cheat-sheets/modern-template-syntax

26 Feb

📜 JavaScript Cheatsheet: Errors JavaScript errors indicate that something went wrong during parsing or execution. Being able to identify the error type quickly is essential for certification exams, interviews, and real-world debugging. Want to download the full cheatsheet? Check the comments! 👇

26 Feb

🔗 Download our DOM cheatsheet here: https://certificates.dev/cheat-sheets/javascript-errors

23 Feb

The wait is almost over! ⏰ Tomorrow 3 PM CET / 9 AM ET, the Early Bird for Certification for Laravel goes live. 24 hours only to grab it at the best price ever. 👉 Sign up now to be ready: https://go.certificates.dev/larax

23 Feb

Senior-level Certification for Laravel exam questions incoming! Why would you implement the `DeferrableProvider` interface in a Laravel service provider? Drop your answer in the comments.👇

23 Feb

Think you’ve got what it takes to tackle questions like this under exam conditions? Sign up now to lock in Early Bird 24 hour discount when the Certification for Laravel launches to prove it https://go.certificates.dev/larax

21 Feb

Peek Inside the Certification for Laravel Mid-Level Developer Exam! Given the following code block, what is the purpose of the `authorize()` method in a Form Request class? Think you know? Drop your answer below. 👇

21 Feb

PS: If you enjoy testing your Laravel skills with challenges like this, why not take it up a notch? Try the Certification for Laravel & see how your knowledge stacks up😏 Sign up now to grab Early Bird discounts when we launch👇 https://go.certificates.dev/larax

20 Feb

You’ve seen what you’ll be tested on. Now here’s what you can expect with the Certification for Laravel exams! 👀 Each exam level is structured differently - with clear expectations around: 🧠 Exam duration 💻 Code challenges 📝 MCQs ⚙️ Level progression See exactly what each level involves👇🧵

20 Feb

And remember… the launch on February 24 unlocks a 24 hour discount. Don’t miss out on the amazing savings that go live for one day only. Sign up 👇 https://go.certificates.dev/larax

Exam details for Level 3 (Senior) and Level 4 (Artisan) 👇

Exam details for Level 1 (Junior) and Level 2 (Mid-level) 👇

go.certificates.dev2-for-1 Certification Sale | Certificates.devFor a limited time, get a free JavaScript certification when you purchase any React, Vue, Angular, or Nuxt certification. Boost your frontend credentials with two certifications instead of one.

9 Feb

JavaScript Free Weekend wasn’t just for fun… it was practice!💻 Make it count - Our 2 for 1 Sale end tomorrow. Turn all your weekend coding, quizzes, and trial exam into a real accomplishment.🎓️ Claim your it before it’s gone👇 https://go.certificates.dev/2f1jx

8 Feb

JavaScript Free Weekend is almost done! 😢 After all the coding, quizzes, and trial exam, do you feel ready to take on the real Mid-Level JavaScript Certification? Or do you need one more weekend like this?

8 Feb

JavaScript Free Weekend showed you the ropes - now it’s time to lock in your skills.🔐 Buy any Vue, Nuxt, Angular, or React certification & get a JavaScript cert FREE 🎁 Don’t let all the weekend effort & practice go unrecognised. Claim it👇 https://go.certificates.dev/2f1jx

Only 24 hours left ⏰ Are you a JS Free Weekend warrior or just scrolling past? Tackle coding challenges, quizzes, lessons, and a trial exam - prove your skills before the clock runs out, or let your functions gather dust! 💨 👉 Join now: https://go.certificates.dev/jsfwx

Still on the fence about JavaScript Free Weekend? 🧐 Get a sneak peek of the trial exam and yes, you can try it right now for FREE, along with the full training, portfolio-worthy code challenges, fun pop quizzes, and more. 🎟️ Join before access closes: https://go.certificates.dev/jsfwx

go.certificates.devCertificates.dev Free Weekend | Free access to JavaScript Developer Certification TrainingUnlock 48 hours of free access to the Certified JavaScript Developer Training on Feb 7-8 2026 . Dive into theory, coding challenges, quizzes, and a trial exam.

Your JS skills called - they want a weekend challenge. 💪 With 12 hours almost gone, now’s your chance to play with code the way it’s meant to be played, uncover gaps, and see what our Mid-Level JS Cert actually tests. Jump in 👇 https://go.certificates.dev/jsfwx

PS. While you’re at it, check out our 2 for 1 Sale! 🎉 Buy any React, Angular, Vue, or Nuxt certification and get a JavaScript certification FREE, matched to your the level you choose or lower. Check it out 👇 https://go.certificates.dev/2f1jx

6 Feb

JavaScript Free Weekend is LIVE! 🚀 💻 18 code challenges 🧠 42 quizzes 📚 17 lessons 📝 Trial exam Test your skills, tackle real coding problems, and see where you stand. FREE access for this weekend only! Join now 👇 https://go.certificates.dev/jsfwx