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Web Developer skills: what to learn first, and what can wait

A web developer gets judged on sites people actually use, so the skills that matter are the ones a reviewer can see in a browser tab. Frameworks come and go faster than you can finish a course on one. Learn the layers below in order and each new tool will feel like a variation on something you already know.

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Step one

Gets you the interview

Semantic HTML and modern CSS layoutHeadings in the right order, real buttons instead of clickable divs, and layouts built with Flexbox, Grid and media queries. A reviewer opens DevTools on your portfolio, and a page built from nested divs with fixed pixel widths tells them to stop there.

JavaScript and the DOM without a frameworkFetching JSON, rendering it, handling a click and showing an error when the request fails. If you can do that in plain JavaScript, picking up whatever the team runs is a week of reading, not a rewrite of how you think.

One framework the postings nameReact with Next.js is the safe bet, with Vue close behind at some agencies. Build one real project in it, including routing and a form, rather than finishing three tutorials.

Git and a live deployBranches, pull requests and a site on Netlify or Vercel that redeploys when you push. Leads check your commit history, and a working link near the top of your resume gets clicked before anything else.

Step two

Gets you the offer

A CMS you can bend without breakingPlenty of web developer jobs are really WordPress, Shopify or Webflow jobs with custom code on top. Building a custom block, a theme section or a Liquid template shows you can hand marketers pages they'll edit without calling you every morning.

Page speed work you can explainRunning Lighthouse is easy. Saying why the hero image hurt Largest Contentful Paint, and how lazy loading, proper image sizes and deferring a chat widget fixed it, is what convinces a hiring manager you'll fix their slow homepage.

Forms that connect to something realValidation, spam protection, and a submission that lands in HubSpot, Salesforce or an email inbox without getting lost. Broken lead forms cost companies money quietly, so a story about fixing one lands well in an offer round.

Tracking and SEO basicsSetting up Google Tag Manager events, writing meta tags and Open Graph tags, and adding structured data. Marketing teams ask for these weekly, and the developer who doesn't groan about it gets picked.

Step three

Gets you promoted

Accessibility audits against WCAGTesting with a keyboard, a screen reader like NVDA or VoiceOver, and axe DevTools, then writing up fixes ranked by who they block. Legal and procurement teams start asking about it sooner or later, and owning the answer makes you senior.

Owning hosting, DNS and the build pipelineMoving a domain without downtime, setting up SSL, caching through Cloudflare, and a GitHub Actions workflow that runs checks before deploy. It's the unglamorous layer nobody else wants, and it's where the lead developer title usually comes from.

A small component libraryTurning the buttons, cards and form fields copied across page after page into shared components, documented in Storybook. It speeds everyone up and shows you think about the codebase, not just your ticket.

Scoping requests from non-developersBreaking a marketing manager's vague ask into tickets with estimates, and saying plainly what won't fit before launch day. This is the skill that moves you from taking work to planning it.

Put it on your résumé like this

Weak

Worked on company website and made updates as needed.

Strong

Built 12 reusable Gutenberg blocks for a WordPress marketing site, letting the content team launch 30 landing pages without developer tickets and fixing 40 WCAG issues found in an axe audit.

Questions people ask

Which web developer skill should I learn first?

HTML and CSS, properly. It sounds too basic, but most broken layouts and inaccessible pages trace back to shaky markup. Once you can build a responsive page from a Figma file without a framework, JavaScript makes a lot more sense.

Are there certificates worth getting for web development?

Not really, and that's why the list above is empty. Hiring managers look at live sites and code, not badges. Spend the study time on a project that shows the skill instead, and link to it.

Do I need back-end skills as a web developer?

Some. You don't need to design a database, but you should be comfortable with a Node.js or PHP endpoint, environment variables and calling a REST API. Web developer roles often own the glue between a site and the tools marketing uses.

How do I keep up without chasing every new framework?

Stay deep on the platform itself: HTML, CSS, JavaScript and how browsers load pages. Read MDN and the release notes for the one framework you use at work. New tools are easier to judge once you know what they're replacing.

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