What Is ALPN?
A quick description about ALPN.
There are a few reasons your site might be loading slowly. The following is a basic checklist to go through to help diagnose the issue.
If the page in question isn't being cached you can run a request directly against your origin server with timing
curl --trace-time -svo /dev/null https://www.yourdomain.com --connect-to ::{your origin ip}
Check that there isn't a blocking external resource holding up your page rendering. You can do this by opening developer tools in your browser of choice and loading a page on your website. Click on the network tab and you will see timing information for the resources of your site along with
Try loading the page from somewhere else to see if its just a local network problem. Try your phone or use webpagetest to load your site from a geographic site near you. You can then inspect the HAR for detailed timings.
If you still can't diagnose then please contact us and we'll be happy to help.
A quick description about ALPN.
An explanation of blocking resources on websites.
Just how much of the internet's traffic is generated by bots?
An explanation of the types of bots on the internet that visit websites and APIs.
An overview of the different types of browser hints and how they help with website performance
An overview of the cache control header sent by websites.
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