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  1. What is the work of TTFB?
    1. remove unnecessary characters
    2. measures the responsiveness of web server
    3. increases the load speed of web page
    4. compresses the image
    5. None of these
Correct Option: B

TTFB stands for time to the first byte and measures the responsiveness of server. Its calculation is done as: process request time+ HTTP request time+ HTTP response time. This speed up the website by downloading various smaller images through sockets.


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