TTFB Checker
Extension Actions
CRX ID
biplljnnfhbpofbbcigmmgkoipimefcm
Description from extension meta
Shows Time To First Byte (TTFB) with color thresholds, a gauge, and auto insights with optimization tips.
Image from store
Description from store
TTFB Checker measures the Time To First Byte for every page you visit and explains what it means. The toolbar badge shows the value with a green/amber/red color. Click the icon to see a gauge, a detailed timing breakdown (DNS, TCP, TLS, Request, Response), and automatic insights with practical optimization tips