Front-end and UX
Patterns for building responsive, accessible UIs in React, Next.js, Svelte, and Tailwind—plus component design, state, and UX.

ertek.io is my notebook on modern web development—short, practical posts about frameworks, performance, security, and data. Expect hands-on tutorials, breakdowns, and lessons learned from real projects.
import { useState } from 'react'
import { Switch } from '@headlessui/react'
function Example() {
const [enabled, setEnabled] = useState(true)
return (
<form action="/notification-settings" method="post">
<Switch checked={enabled} onChange={setEnabled} name="notifications">
{/* ... */}
</Switch>
<button>Submit</button>
</form>
)
}
Everything related to web app development
Patterns for building responsive, accessible UIs in React, Next.js, Svelte, and Tailwind—plus component design, state, and UX.

Core Web Vitals, caching at the edge, data fetching strategies, and profiling techniques to keep apps fast and smooth.

Practical guides on auth flows, RBAC, OAuth2 and SAML SSO, session management, and secure defaults that do not get in the way.

Designing clear APIs and wiring up payments, analytics, and data backends—Neo4j, SQL, event streams, and AI services.
