PWABuilder

Name: PWABuilder
Author: Microsoft

GoodBotVerifiedBOT

PWABuilder (pwabuilder.com) is a free, open source developer tool from Microsoft that helps developers build progressive web apps and publish them in app stores. PWABuilder tool analyzes their website for Progressive Web App capabilities, such as a web manifest or service worker Operated by Microsoft.

Operator website ↗

GoodBot

Assessment

Other

What is PWABuilder?

PWABuilder is a web crawler operated by Microsoft. PWABuilder (pwabuilder.com) is a free, open source developer tool from Microsoft that helps developers build progressive web apps and publish them in app stores. PWABuilder tool analyzes their website for Progressive Web App capabilities, such as a web manifest or service worker

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name

PWABuilder

Operator

Microsoft

Why it crawls your site

PWABuilder crawls websites to collect and process web content. It is operated by Microsoft as part of their web crawling infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow PWABuilder

Block it

Add a Disallow rule for PWABuilderHttpAgent in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block PWABuilder from crawling your entire site
User-agent: PWABuilderHttpAgent
Disallow: /

# Allow PWABuilder full access
User-agent: PWABuilderHttpAgent
Allow: /

Allow & verify

Ensure your robots.txt allows PWABuilderHttpAgent. Verify requests are genuine by checking the user-agent string and referring to Microsoft's documentation.