Fix Empty Cart with WooCommerce Redirect to Checkout Varnish 4

Varnish speeds up tons of WooCommerce shops all over the web with its reverse proxy caching acceleration. Several hosting companies like. WPEngine, Cloudways and Flywheel use Varnish to deliver uber fast page load times for their users. One of the potential pitfalls with Varnish can be making it work with e-commerce shops like WooCommerce or Easy Digital Downloads. Typically this involves … Learn more…

Install Redis Object Cache for WordPress PHP 7 on Ubuntu 16.04

Redis-server can be used for WordPress object cache to speed up transient processing. Transients are temporary data objects used by WordPress which are stored in the MySQL database by defuault. Benchmarks reveal significant performance benefits with the PHP PECL Redis extension. This guide is for Ubuntu 16.04. It provides a secure Redis installation for WordPress after telnet exploits were … Learn more…

Fix Varnish Mixed Content Errors + CloudFlare Flexible SSL + WordPress

Cloudflare Flexible SSL offers a free and simple way to add the HTTPS green lock to your WordPress site. There is a Flexible SSL plugin that will usually help resolve any problems like redirect loops. You may get broken CSS or mixed content errors when using Cloudflare’s Flexible SSL with Varnish. This guide should help … Learn more…

Configure + Enable Monit Brute Force Protection with fail2ban

Monit is a great tool for WordPress self-hosting which will monitor your essential services like nginx, MariaDB MySQL, php5-fpm, Varnish, Redis, memcached and basically anything running on your VPS or dedicated server. Monit does allow whitelisting so that only certain IP addresses or dynamic DNS addresses are allowed to access the Monit web interface. If … Learn more…

How to Cache AJAX GET Requests with Varnish 4

Varnish vcl (Varnish Control Language) allows you to be precise about what and how you cache specific URLs in WordPress and WooCommerce. One area which can be a pain for performance enthusiasts is showing up-to-date recent posts in a sidebar widget or show off your popular posts in the footer. Usually AJAX is used to bypass cache by … Learn more…