Open a webpage ( say https://github.com/rohan-paul ) in Google Chrome and go to “View > Developer > Developer Tools” menu.
You can also open the developer console by right clicking on the page and choose “Inspect” option.
Go to “Network” tab and then reload the page. Now you will see the loading time for each single component on the page.
Now to load the above page (https://github.com/rohan-paul), there will be many othere resources will alo be loaded and I will see all of them, out of which only the top one will match my exaxt requested URL (https://github.com/rohan-paul in this case) in the network tab
click on it, and then I will see the below
General
Request URL: https://github.com/rohan-paul
Request Method: GET
Status Code: 200 OK (from disk cache)
Remote Address: 192.30.253.112:443
Referrer Policy: no-referrer-when-downgrade
Response Header
Cache-Control: no-cache
Content-Encoding: gzip
Content-Security-Policy: default-src 'none'; base-uri 'self'; block-all-mixed-content; connect-src 'self' uploads.github.com status.github.com collector.githubapp.com api.github.com www.google-analytics.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com wss://live.github.com; font-src assets-cdn.github.com; form-action 'self' github.com gist.github.com; frame-ancestors 'none'; frame-src render.githubusercontent.com; img-src 'self' data: assets-cdn.github.com identicons.github.com collector.githubapp.com github-cloud.s3.amazonaws.com *.githubusercontent.com; manifest-src 'self'; media-src 'none'; script-src assets-cdn.github.com; style-src 'unsafe-inline' assets-cdn.github.com
Content-Type: text/html; charset=utf-8
Date: Sat, 04 Aug 2018 06:37:08 GMT
Expect-CT: max-age=2592000, report-uri="https://api.github.com/_private/browser/errors"
Referrer-Policy: origin-when-cross-origin, strict-origin-when-cross-origin
Server: GitHub.com
Status: 200 OK
Vary: X-Requested-With
X-Content-Type-Options: nosniff
X-Frame-Options: deny
X-GitHub-Request-Id: BA24:46F9:392689:63210A:5B654993
X-Request-Id: 9935daaa-bd89-435e-80bc-c8f85184566f
X-Runtime: 0.632885
X-Runtime-rack: 0.640618
X-XSS-Protection: 1; mode=block