Why Can’t We Use https for Everything?
HTTPS provides validation and encryption, two important pieces of security. Using it for everything is possible but costly, and issues would remain. Why Can’t We Use https for Everything? from Ask...
View ArticleWhy CAPTCHA?
You've probably seen CAPTCHAs and not even realized it. CAPTCHAs are used to make sure systems aren't gamed or spammed by machines. Why CAPTCHA? from Ask Leo!. Get the Confident Computing weekly...
View ArticleHow Do I Change My Website to Be an https Secure Site?
Setting up an https-secure website is both simple and complex. The HTML doesn't change, but you'll need different hosting for the secure layer, as well as a certificate, to provide the security of...
View ArticleWhy Don’t Pictures Show When I Visit Some Websites?
There are many reasons pictures don't show on websites. Some you can control, but others are problems with the websites themselves. Why Don’t Pictures Show When I Visit Some Websites? from Ask Leo!....
View ArticleWhen Is “www” Needed and Why?
The "www" in website addresses is now typically optional and even redundant, but there was once a reason as to why it was required in URLs. When Is “www” Needed and Why? from Ask Leo!. Get the...
View ArticleHow Do I Fix “Your Connection is Not Private”?
"Your connection is not private" errors are often benign, but are worth paying attention to. How Do I Fix “Your Connection is Not Private”? from Ask Leo!. Get the Confident Computing weekly newsletter:...
View ArticleHow Do I Get an Old Version of a Webpage?
It's generally not possible to recover an older version of a webpage, but we'll look at a couple of straws to grasp at. How Do I Get an Old Version of a Webpage? from Ask Leo!. Get the Confident...
View ArticleWhat Is JavaScript and Why Do I Need It?
JavaScript is a programming language that operates important features on many websites. What Is JavaScript and Why Do I Need It? from Ask Leo!. Get the Confident Computing weekly newsletter:...
View Article7 Things Your Sysadmin Probably Won’t Tell You
If you run a website and have someone administering it for you -- a system administrator or "sysadmin" -- they may have much more power than you realize. 7 Things Your Sysadmin Probably Won’t Tell You...
View ArticleHow Do I Fix “Internal Server Error”?
An Internal Server Error happens within the server attempting to show you a webpage. It's usually a server-side problem out of your control. How Do I Fix “Internal Server Error”? from Ask Leo!. Get the...
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