tool · inferred from evidence
content blockers
Browser features or extensions that block content, mentioned as a potential cause of the error.
- LaunchDarkly js client Error: Failed to execute 'send' on 'XMLHttpRequest' analytics gif request
The error was caused by a popup blocker in Firefox interfering with the analytics gif request. Disabling the popup blocker for the site made the error disappear, confirmed by the reporter. The gif request is how the JS SDK sends analytics e