All posts tagged #customers

Uploading a 1224×1224 avatar for a 48×48 slot is a performance crime. Learn how to preset sizes, pick smart 2× backups, and keep Core Web Vitals green.

Every ticket is a chance to improve someone’s day: handle errors, polish animations, close edge cases, and tell the team. A compact checklist to keep users at the center.

If a single error in a component breaks your entire application, it's time to meet Error Boundaries. They are like an airbag for your React code.

Why do I always use non-breaking spaces? Because it reads better. And I recommend it to you too.

Dead interfaces create distrust. Animation is care for the user. Want to be a real frontend developer? Make it beautiful!

Even if you're not in sales, you still sell — yourself, your ideas, your perspective. Here's how it works in life and IT.

Mobile users want to share fast — without copy-paste pain. The Web Share API lets you add native sharing to your web app right from the browser. Here's how it works, why it's useful, and how to implement it.

Vibration feedback can be triggered in web apps on Android devices — a great enhancement to your UI. Learn how to use the Vibration API for errors, clicks, popups, and other events.

By default, images can be dragged, which often harms the UX — especially in mobile interfaces. A single HTML attribute draggable="false" solves dozens of issues. Learn when and why to use it.

Unexplained errors on a page are the worst-case scenario for your website, your developers, and your end users. Here's how to handle errors in web apps, keep the system stable, retain user trust, and protect your search engine visibility.

It's surprising how often websites and apps don't let users copy important info: promo codes, links, user IDs, or error messages. This post explores why adding copy functionality matters and how it improves UX.

Regular demos are a simple yet powerful way to align your team, showcase development progress, and keep clients updated. In this post — why demos matter and how to run them right.