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Web Dev + WordPress + Security
Tag: dom
6 posts

How to Fix _blank Target Vulnerability

In this article, I am reposting part of my recent tutorial, WordPress and the Blank Target Vulnerability. That post is aimed at WordPress specifically, however most of the article applies to HTML in general. So the tutorial below explains how to fix all “blank target” links, regardless of whether or not WordPress is involved. Continue reading »

WordPress and the Blank Target Vulnerability

For those who haven’t yet noticed, WordPress now adds rel=”noopener” attributes for any external links added via the link Quicktag in the Visual/RTE. So if you enable the option, “Open link in a new tab”, WordPress automatically will add the rel noopener attribute to the link. This is to protect against CORS and other exploits that take advantage of blank-target links. It’s a smart move that may escape many in the WordPress community. So in an effort to help foster […] Continue reading »

Unobtrusive JavaScript for ‘Print-This’ Links

One of the oldest JavaScript tricks in the book involves providing a “print this!” link for visitors that enables them to summon their operating system’s default print dialogue box to facilitate quick and easy printing of whatever page they happen to be viewing. With the old way of pulling this little stunt, we write this in the markup comprising the target “print this!” link in question: Continue reading »

Targeting External Links Intelligently

In the beginning… In the time of the dinosaurs, HTML authors controlled the way anchors opened by adding target=”_blank” as an attribute on an anchor tag. Then the molten mass of Internet began to cool into the thin crust of Web 2.0, the continents began to separate and there came a great migration of pages from HTML to the shinier, new XHTML. Most authors didn’t know what that meant, but it had an “X” in it, so it must be […] Continue reading »

Open External Links as Blank Targets via Unobtrusive JavaScript

Beginning with this article, I am serving up a short series of unobtrusive JavaScript functions that I use to enhance the functionality of Perishable Press. In this post, I present a comprehensive JavaScript method of opening external links in new windows (or tabs, depending on the browser). Continue reading »

Website Cluster Graphs

Ever imagine your website represented as a cluster graph? Well prepare your DOM and check out Sala’s Websites as Graphs project. Just visit the free online tool and enter the URL of any web page. After a few moments, the site will generate a colorful graph such as the one displayed on the left of this post. Each generated map represents a single website page, where each dot represents a different tag, and each color represents a different type of […] Continue reading »

Welcome
Perishable Press is operated by Jeff Starr, a professional web developer and book author with two decades of experience. Here you will find posts about web development, WordPress, security, and more »
.htaccess made easy: Improve site performance and security.
Thoughts
Checking in to anyone listening. Stay safe. Pay attention. Don't get lazy.
What's up with Plesk UI lately? Especially on Chrome it looks just awful, all kinds of broken. Come on Plesk devs get it together.
Things get stressful, I try to pray. Not always easy, but always helps to relax and regain focus.
Nice new speed checker at fastorslow.com.
Easy way to exclude certain tests from WP Site Health: Site Health Tool Manager
Excellent (and free) tool for getting tons of site SSL infos: whynopadlock.com
Everyone just stay home and hide forever. Brilliant idea.