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The WebPageTest tool revealed significant performance issues in the system, notably a slow first-byte time of 1.504 seconds, prolonged server connection, and response time. Pixels began appearing at 2.700 seconds, and the first contentful paint loaded at 2.673 seconds, with a slow speed index of 2.750 seconds. The largest contentful paint (LCP) recorded a high value of 2.673 seconds, attributed to an image element. Optimization recommendations were made to expedite image fetching. On a positive note, no cumulative layout shift occurred, and the main thread experienced no significant blockage, taking only 0.945 seconds. The page weight was determined to be 1559 KB, highlighting the overall size of the webpage.
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IEEE/ICACT20240471 Slide.12
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