The most important thing is how to review your site’s performance. When working with large websites, it is always important to pick a selection of key pages to perform this speed test on.
This could be pages that drive a lot of income or get a ton of traffic.
Also, if your website has formats for key pages, you can analyze some of these to understand the performance across the complete website.
There are a few tools which enables you to perform page speed tests, some of these are free and are extraordinary starting points for getting key insights into a site’s performance.
This free tool from Google uses a blend of lab data from Lighthouse and field data from the Chrome User Experience report to examine the content of a site page and give recommendations for improvements.
It tells what factors are affecting your website speed and give suggestion about how to fix those issues. It enables you to test both the mobile and desktop experience and shows a score out of 100, in light of the measurements.
GTMetrix is another free tool that furnishes a speed metric breakdown along with the optimization recommendations.
Another valuable component is the capacity to customize tests based on the locations, device and browser types, so this can be utilized to impersonate different browsing conditions.
While the tools above are valuable for analyzing on a page-per-page basis, if you wanted to perform estimation at scale, just as observe visual patterns, using a crawling tool is very beneficial.
Not only this enables you to collect helpful insights at scale, you will also have the option to see a visual pattern of site speed after some time.