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How to catch the frozen tabs and jank your monitoring misses

One user's page froze, and every dashboard stayed green. It was a long-lived single-page app, the kind of tab someone keeps open for hours.

  • Frozen tabs go unnoticed by monitoring tools due to session sampling
  • Watchdog in Web Worker detects silent failures and sends reports
  • INP measures user-perceived performance beyond clicks and percentiles

History of the Model Context Protocol (MCP)

History of the Model Context Protocol (MCP) Origins (mid-2024) MCP started as an internal fix for an annoyance. In July 2024, Anthropic engineer David Soria Parra got tired of manually copying answers…

  • Model Context Protocol (MCP) created by Anthropic engineers in mid-2024
  • Officially launched in November 2024 as open standard for AI-tool integration
  • Donated to Agentic AI Foundation in December 2025, becoming vendor-neutral

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