Nginx Split Test A/B

Have you ever wanted to split test multiple pages on your website? You could use a WordPress plugin called Simple Page Tester but you are limited to testing two urls at a time. After some searching, I came across a simple way to split test multiple URLs using Nginx split client module.

First, add this section to the top of your Nginx Config:

split_clients "${remote_addr}AAA" $destination {
 20% https://example.com/page-1/;
 30% https://example.com/page-2/;
 40% https://example.com/page-3/;
 10% https://example.com/page-4/;
}

Next, add a rewrite rule to your server section:

server {
 rewrite ^/rewrite-url-goes-here/$ $destination redirect;
}

Finally, restart Nginx to see the changes:

sudo service nginx restart

Hope this is helpful. It can also be used to redirect Nginx to random URLs. Let me know if you have any questions below.


Thanks for reading. Make sure you follow me on Twitter to stay up to date on the progress of my side projects T.LYWeather Extension, and Link Shortener Extension. If you are interested in the tech I use daily, check out my uses page.  

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