WP Optimize was originally a plugin that could easily optimize your child site database and site images. In the most recent 3.0.0 release, WP Optimize now includes support for page caching. To access the site caching feature in WP Optimize, make sure you have updated the most current version. From the admin menu, go to; WP Optimize > Cache Which will show tabs for the following; Page cache Preload In preload, you can set how often the site will have site pages requested, so that those site pages will be cached. The preload in WP Optimize will create a cron
Cloudflare is among the most solid CDNs out there and has a considerable amount of data centers. To utilize Cloudflare for your child site, you first need to change the domain’s DNS name servers to use the Cloudflare name servers. Now that your child site is using the Cloudflare name servers (which you can check from DNS Checker), the next step is to set DNS and enter the site domain. Cloudflare will show orange arrows for the domain in DNS, which means Cloudflare will be used. Cloudflare also has an option to check that the name servers are being used.