HandheldFriendly meta tag – remove it!
This tag was originally used to identify mobile content in Blackberry and AvantGo browsers (on Palm devices), but became a…
ads.txt file
There are many files that crawlers expect to find in well-known locations on websites, one such file is ads.txt. While…
alexaVerifyID meta header?
This was once a service to aid webmasters with SEO, to claim a website you had to add content to…
HTML5 Hyperlink Auditing (ping attribute)
This was a browser feature that was relatively unknown until recently when several browsers announced that they would be removing…
HTML5 download attribute
Example The download attribute allows for the downloaded filename to be specified to be something different than the name in…
Microsoft Silverlight
Silverlight was a browser extension that was backed by Microsoft's .NET product on many platforms, it provided media capabilities similar…
Windows Vista EOL
As of April 11, 2017, Windows Vista customers are no longer receiving new security updates, non-security hotfixes, free or paid…
Windows XP EOL
I recently crossed paths with a customer that was still using Windows XP and experiencing problems with a website. This…
Cloudflare vs. OpenDNS vs. Google Public DNS
A few months ago, Cloudflare revealed their public DNS server, and I've been pleased so far. In addition to performance,…
Using comments to ‘hide’ SCRIPT tag content – please stop this obsolete practice
Many years ago, when HTML3 and 4 were still widely used in the mid to late 1990s, it was a…