time to first byte gtmetrix
How does it work? Simple, enter the URL you are interested japan business email list in and launch the analysis. The TTFB result appears along the summary graph that shows the clear moment, also from a temporal point of view, in which the first byte appears . The data is composed of three fundamental elements for the evaluation:
Redirect.
Connect.
Backend.
Of course, there are also excellent solutions for monitoring and recording TTFB, such as the ever-valid Web Page Test or Chrome's developer tools, but you always have to evaluate the possible volatility of the data: different tools often give different results .
Please note that tools like PageSpeed Insights may tell you to reduce your server response time if your TTFB is taking more than 200ms.
reduce server response time
Want to improve your TTFB?
This is not an easy job. Or rather, this is one of the parameters that you cannot influence simply by compressing images.