Chrome DevTools is a set of web developer tools built directly into the Google Chrome browser. These tools let you inspect the rendered HTML (DOM) and network activity of your pages . You can use DevTools to troubleshoot ad serving issues.
Read moreWhat can you do with a developer console?
Host a site on a development machine web server, and then access the content from an Android device.
Read moreHow do I turn on Developer Tools in Chrome automatically?
With the Developer Tools window visible, click the menu icon (the three vertical dots in the top right corner) and click Settings. Chrome Version 86 the setting is on the same place but named differently, so: Settings -> Preferences -> Global -> Auto-open DevTools for popups .
Read moreHow do I find TTFB in Chrome?
How to Measure Your TTFB
Read moreWhere can I find TTFB?
Additional TTFB check methods (using a web browser)
Read moreWhat is waiting TTFB in Chrome?
More clearly TTFB is also called “waiting” by Google: Time spent waiting for the initial response , also known as the Time To First Byte. This time captures the latency of a round trip to the server in addition to the time spent waiting for the server to deliver the response.
Read moreWhat is XHR in network in Chrome?
XHR is referred to “XmlHttpRequest” and it allows to make HTTP request in Javascript .
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