How to stop spams from xevil

Here are some quick steps to stop spams from xevil

Set up CORS header for Cloudflare proxied websites

For some reasons, Cloudflare proxy would mess up the CORS headers, and here is a quick work around.

How to Use hCaptcha to Stop Spams from Wordpress Contact Forms

We got a bunch of spam emails from our contact forms recently, and the reCaptcha WP plugin seems not working.

A Simple Tutorial for Reading Google Analytics Data

So after the tracking code is planted for a while, and you got a bunch of data, how to actually start reading the data?