github-contributions | GitHub account creates a nice contributions calendar | Calendar library

"Why is my code slow?" is a really hard question to answer. There's basically an unlimited number of possible reasons that could be. I may not be able to answer the question, but I can provide some suggestions to hopefully help you answer it for yourself.

There are dozens of questions to ask... What kind of hardware are you using? What kind of network/internet connection do you have? Is it just slow on the first request, or all requests? Is it just slow on the call to one type of request (daily, weekly, monthly) or all? etc. etc.

You are indicating overall request times being ~1800ms, but as you pointed out, there are a lot of things happening during the processing of that request. In my experience, often times one of the best ways to find out is to add some timing code to narrow down the scope of the slowness.

For example, one quick and dirty way to do this is to use the python time module. I quickly added some code to the weekly contributions method: