What is PWABuilderHttpAgent?
PWABuilderHttpAgent analyzes websites for Progressive Web App capabilities, checking for web manifests, service workers, and other PWA features to help developers build and publish progressive web apps. You can set up Agent Analytics to see when PWABuilderHttpAgent visits your website.
Category
| Example User Agent | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0 PWABuilderHttpAgent PWABuilderHttpAgent |
| Operated By | Microsoft |
| Source | Official Website |
| Triggered By | Scheduled or manual configuration |
| Used for AI Model Training | Not expected |
| Affects AI Chat & Search Visibility | Not directly |
| Expected To Follow Robots.txt | No |
Why Is PWABuilderHttpAgent Visiting My Website?
Someone, most likely on your own team, configured PWABuilderHttpAgent to check your site. Uptime monitors, performance testers, and audit tools visit only the sites or endpoints they are told to watch.
Should I Block PWABuilderHttpAgent?
Only if no one on your team relies on it. PWABuilderHttpAgent may support uptime monitoring, performance tests, or audits. Blocking it without checking first can silently disrupt those workflows. For context, 7% of the top websites we track currently have robots.txt rules for PWABuilderHttpAgent.
Insights for PWABuilderHttpAgent
As of October 31, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Compliance
Country of Origin
Robots.txt Blocked Percentage
PWABuilderHttpAgent Traffic
Frequently Asked Questions
What Traffic Patterns Should I Expect From PWABuilderHttpAgent?
PWABuilderHttpAgent's traffic often follows fixed intervals like a cron job. Activity may consist of short recurring checks or occasional intensive bursts, but it usually remains limited to a specific set of pages or endpoints.
Does PWABuilderHttpAgent Follow Robots.txt Rules?
No. PWABuilderHttpAgent is not expected to follow robots.txt rules, so a disallow rule only communicates your preference. Enforce the block with firewall or server rules, then use Agent Analytics to verify that its requests stop.
Is PWABuilderHttpAgent Used for AI Model Training?
Not ordinarily. PWABuilderHttpAgent is not categorized as an AI training scraper or data provider, so AI model training is not its expected purpose.
Does Blocking PWABuilderHttpAgent Affect AI Search or Citations?
Not directly. PWABuilderHttpAgent's expected purpose is not to supply an AI search index or retrieve pages for AI-generated answers.
Does PWABuilderHttpAgent Access Private Content?
Only when configured with access. A team may grant PWABuilderHttpAgent credentials to monitor staging sites or private health endpoints. Without those credentials, it sees only public pages.
How Can I Verify a Request From PWABuilderHttpAgent?
Agent Analytics tracks PWABuilderHttpAgent visits in real time. You can also check your server logs for requests whose user-agent string contains "PWABuilderHttpAgent". Look for repeated checks of the same pages or endpoints at regular intervals. Because PWABuilderHttpAgent does not publish a verification method, any client can claim its identity and a log match is only a clue.
How Is PWABuilderHttpAgent Different From Other Microsoft Agents?
Microsoft operates separate agents for different purposes, so each agent should be evaluated and controlled independently.
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