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WebPagetest Forums - Significant TBT increase

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Full Version: Significant TBT increase
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I'm monitoring total blocking time across a few URLs (multiple origins) and noticed a significant increase in total blocking time between August 31st and September 1st (between 5X-10X for all URLs). There were no major changes to the URLs in that time frame.

Were there any updates between Aug. 31st and Sep. 1st that might have impacted total blocking time?

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