Skip to main content

Cloudbleed and Varnish


by Danila Vershinin, February 24, 2017

Here is why you shouldn’t use shared cache like Cloudflare. Don’t trust your data to a third party and make use of real private cache – Varnish

Read More...

Varnish and Brotli done right


by Danila Vershinin, February 21, 2017

Enable Brotli compression for faster website performance.. in Varnish with this quick VCL snippet.

Read More...

Varnish Tip: Remove hash from URL?


by Danila Vershinin,

Let’s use some magic VCL snippet to remove hash from URL in Varnish. Or NOT!

Read More...

Magento 2 Varnish Multi-Store VCL for a Single Server


by Danila Vershinin, February 13, 2017

Configure Varnish Cache for multiple Magento 2 stores on a single server with host-based cache isolation and proper purge handling to prevent cache interference between stores.

Read More...

Varnish “Backend fetch failed”


by Danila Vershinin, January 20, 2017

Troubleshoot Varnish backend fetch failed 503 error

Read More...

Deployment and cache purge on Citrus powered servers


by Danila Vershinin, January 18, 2017

Clear Varnish and PHP opcode cache in your deployment script.

Read More...

Strip Query Parameters with Varnish (Marketing or ALL)


by Danila Vershinin, November 12, 2016

Strip query parameters with Varnish to lift your cache hit rate — two VCL recipes that drop just gclid/utm_* or wipe ALL query params on specific routes, plus vmod-querystring patterns.

Read More...

Install NGINX with ngx_pagespeed (Google PageSpeed) dynamic module in CentOS/RHEL, Amazon Linux and Fedora Linux


by Danila Vershinin, October 3, 2016

Easily install latest stable nginx with ngx_pagespeed dynamic module in CentOS 7 or RedHat 7

Read More...

Clear Disk Space on CentOS, RHEL, Rocky Linux & Fedora


by Danila Vershinin, September 22, 2016

Quick commands to clear disk space on CentOS, RHEL 7/8/9, Rocky Linux, AlmaLinux, and Fedora. Covers log trimming, systemd journal cleanup, YUM/DNF cache, old kernels, Docker, and more.

Read More...

PHP OPcache (ex. Zend OPcache)


by Danila Vershinin,

PHP is fast. But not when you use CMS with hundreds of small PHP files. WordPress, Magento, Joomla are all great examples of popular CMS solutions, but you can find their performance extremely slow. This is due to the fact, that PHP is interpreted language. Each time a website page is requested, all those files […]

Read More...