DebugBear Documentation
Analysis setup
API
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DebugBear Analysis Agent
Page analyses are run using Lighthouse 5.5 and Chrome 78.
Server locations
Pages can be analyzed from a server based in one of the following regions:
- Australia (Sydney)
- Brazil (Sao Paulo)
- Germany (Frankfurt)
- Japan (Tokyo)
- UK (London)
- US East (South Carolina)
- US West (Oregon)
If you need a different server location please contact support.
Network throttling
DebugBear throttles the network at the packet-level. (Older pages may use DevTools throttling, you can change this in the settings. They may also use different latency settings.)
| Device type | Bandwidth | Latency |
|---|---|---|
| Desktop | 8.0 Mbps | 40ms |
| Mobile | 1.6 Mbps | 150ms |
Screen size
| Device type | Size |
|---|---|
| Desktop | 412x660px |
| Mobile | 1350x940px |
User agent
DebugBear send this user agent string on desktop:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6)
AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/74.0.3694.0 Safari/537.36 Chrome-Lighthouse
And this one on mobile:
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5 Build/MRA58N)
AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/74.0.3694.0 Mobile Safari/537.36 Chrome-Lighthouse
Differences to other tools and environments
Read this blog post to learn more about how different settings and environments can affect your scores.
Still need help? Contact matt@debugbear.com for support.