Varnish Cache is an HTTP accelerator and reverse proxy developed by Danish consultant and FreeBSD core developer Poul-Henning Kamp, along with other developers at Norwegian Linpro AS. It was released in 2006. According to Pingdom.com, a company focused on web performance, in 2012 Varnish was already famous among the wo...
Cloudflare is an industry leader in the content-delivery space, reducing load and speeding up millions of websites.What is peculiar about this provider is that it didn’t start as speed-up/performance tool, but was instead born from Project Honeypot, which was conceived as a spam and hacking protection service. ...
Google’s Search Console team recently sent out an email to site owners with a warning that Google Chrome will take steps starting this October to identify and show warnings on non-secure sites that have form inputs.Here’s the notice that landed in my inbox: The notice from the Google Search Console team r...
HTTPS is a must for every website nowadays: Users are looking for the padlock when providing their details; Chrome and Firefox explicitly mark websites that provide forms on pages without HTTPS as being non-secure; it is an SEO r...
The landscape for the performance-minded developer has changed significantly in the last year or so, with the emergence of HTTP/2 being perhaps the most significant of all. No longer is HTTP/2 a feature we pine for. It has arrive...
Web applications, be they thin websites or thick single-page apps, are notorious targets for cyber-attacks. In 2016, approximately 40% of data breaches originated from attacks on web apps — the leading attack pattern. Indeed, t...
I was strongly reminded about the scariness of non-secure websites the other day. I’m using Xfinity as an internet service provider, and they give you a device that is both a cable modem and a router. Here’s a tiny bit of backstory. I use a VPN, and I discovered that in using their modem directly, the VP...
I recently had to renew the HTTPS certificates for my server, and ran into trouble.The errors that the command sudo letsencrypt renew was spewing out were these: Processing /etc/letsencrypt/renewal/bitfalls.com.conf 2017-02-06 07:43:08,126:WARNING:letsencrypt.cli:Attempting to renew cert from /etc/letsencrypt/renew...
Chances are pretty good that you’ve worked with, or at least understand the concept of, server compression. By compressing website assets on the server prior to transferring them to the browser, we’ve been able to achieve sub...
If you have an e-commerce website, then SSL is mandatory for safely processing credit cards. But even if you aren’t processing payments, you should still seriously consider secure HTTP (or HTTPS), especially now that I’m going to show you how to set it up quickly, for free. Let’s get started....
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