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Hide Information in Images


If you’ve followed this blog, you know that I’m obsessed with figuring out every way to interact with, abuse, and convert different types of media.  Whether it’s images, video, or audio, if something can be changed or exploited, I want to figure out how to do it. I remember...

Don’t Use The Placeholder Attribute


Eric Bailey takes a hardline position on <input placeholder>. You might be thinking, as I did: yeah, yeah I know the pitfalls. I'm capable of using placeholder responsibly. But when you look at all the negatives together: Can’t be automatically translated; Is oftentimes used in place of...

Locate and identify website visitors by IP address


(This is a sponsored post.) Big thanks to ipstack for sponsoring CSS-Tricks this week! Have you ever had the need to know the general location of a visitor of your website? You can get that information, without having to explicitly ask for it, by the user’s IP address. You’re just going to need...

IP Geolocation with ipstack (Sponsored)


Knowing where your web visitor is located is an incredible advantage to any website; you can show relative content like maps, pricing, and availability, output your content in their likely language, etc — I cannot overstate how useful that information is.  Of course we have the HTML5...

Solved With CSS! Dropdown Menus


A common UI pattern that we see on the web are dropdown menus. They’re used to display related information in pieces, without overwhelming the user with buttons, text, and options. Somewhere that we see these a lot is inside of headers or navigation areas on websites. Let’s see if we can make...

Phone Number Validation with numverify (Sponsored)


When we think about form validation, phone numbers aren’t the most pressing bit of information to validate, but if the phone number is absolutely critical to your business or application, you’ll want to do all you can to precisely ensure the number is correct.  And the truth is most...

Using ARIA in HTML


ARIA (WAI-ARIA if you want to be formal) is a set of attributes that you can add to HTML elements. These attributes communicate role, state and property semantics to assistive technologies via the accessibility APIs implemented in browsers. The W3C HTML specification provides information about...

Using ARIA in HTML


ARIA (WAI-ARIA if you want to be formal) is a set of attributes that you can add to HTML elements. These attributes communicate role, state and property semantics to assistive technologies via the accessibility APIs implemented in browsers. The W3C HTML specification provides information about...

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