About

PWA Quality

Mobile optimization

Install experience

Offline support

User experience

Overall score

Our World in Data

Understand global trends through data, charts, and research.

The internet's front page — millions of communities on every topic.

Hacker News

Tech, startups, and science news curated by the developer community.

DEV Community

A welcoming community where developers share and learn.

The internet's front page — millions of communities on every topic.

Discord

Voice, video, and text for communities and friend groups.

Chess.com

The largest online chess platform with millions of daily games.

Stack Overflow

Q&A for professional and enthusiast programmers.

The internet's front page — millions of communities on every topic.

Discord

Voice, video, and text for communities and friend groups.

Chess.com

The largest online chess platform with millions of daily games.

Stack Overflow

Q&A for professional and enthusiast programmers.

Add to Home Screen

On Safari: Share → "Add to Home Screen". On Chrome: address bar menu → "Install App".