Speed performance
If you want your web app to be a good user experience, you need to make it both responsive and fast, so you need to improve overall performance starting with understanding where the most loading time is spent.
Thanks to User Timing API, you will be able to have a look at your app's JavaScript performance.
You can check measures and marks added with the User Timing API in SeoChecker's audit.
You will see in the report various fields:
Do not consider the report as a test, rather consider it like an opportunity checker to improve your web app performances.
Learn more about Speed performance
On page SEO performance and page checkup.
Over 300 parameters for the deeper page analysis.
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