Boomerang

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Open source JavaScript library, maintained by Akamai, that measures page load and user-perceived performance in real browsers and beacons the timings to a server you choose.

Pricing and hosting

Pricing
Free
Open source
Yes (BSD-3-Clause)
Self-hosted
Yes
Launched
2010
Status
Active

Plans and prices change; check the tool's own site before you decide.

What it does

Real user monitoring and session replay checklist

3 of 9 confirmed in Boomerang's own documentation. The same checklist is used for every tool in RUM and replay.

  • Core Web Vitals Yes
  • Session replay No
  • JavaScript errors Yes
  • Mobile SDKs No
  • Resource timing No
  • Segmentation No
  • Alerts No
  • Privacy masking Yes
  • Journeys or funnels No

Collection library only: beacons data to your own endpoint, no UI, storage, breakdowns or alerting (mPulse is the Akamai backend). Collects ResourceTiming data but does not display waterfalls. Privacy via strip_query_string.

Checked against: github.com, akamai.github.io, akamai.github.io (2), akamai.github.io (3), akamai.github.io (4), akamai.github.io (5)

Alternatives to Boomerang

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