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      1. Home
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      3. Glossary
      4. Metrics
      5. Total Blocking Time
      • Monitoring
        • Core Web Vitals
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                  • Synthetic monitoring
                    • • Lighthouse
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                          • • TTFB
                            • • FCP
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                                • • CLS
                                  • • INP
                                    • • FID
                                      • Field data
                                        • • FMP
                                          • • DCL
                                            • Lab data
                                              • • TTI
                                                • • TBT
                                                  • • SpeedIndex
                                                  • Browser
                                                    • Chromium
                                                      • Google Chrome
                                                        • Origin trials
                                                          • • Soft navigations
                                                          • Dashboarding
                                                            • 75th percentile
                                                              • Aggregation
                                                                • Distribution
                                                                  • Histogram
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                                                                      • Low-entropy images
                                                                        • Page Experience ranking signal
                                                                          • Server-Side Rendering
                                                                            • Multi-Page Application
                                                                              • Client-side Rendering
                                                                                • Single Page Application
                                                                                  • Progressive Web Apps
                                                                                    • Accelerated Mobile Pages

                                                                                    Total Blocking Time

                                                                                    This metric is only available in synthetic monitoring.

                                                                                    Published by:

                                                                                    Erwin HofmanOn 2 December 2023, updated 9 December 2023

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