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Web Dev + WordPress + Security

Code Snippets to Customize WordPress Sitemaps (Complete Guide)

Code Snippets for WP Sitemaps

By now most have heard about the WP Sitemaps feature introduced in WordPress version 5.5. From what I’ve read most existing sites that needed a sitemap already had one via one of the many free sitemap plugins. But for new WordPress sites going forward, having all the sitemap code in the WordPress core now means that new sites have the option of rolling with the default WordPress sitemaps, or use a dedicated plugin to do the job. This post is […] Continue reading »

Building the Perishable Press Bookstore

[ Perishable Press Books (screenshot) ]

After six months of on-again, off-again hard work (and plenty of unexpected challenges), I am excited to launch the new Perishable Press Bookstore. The old bookstore was located on a separate domain, but I wanted it to be better integrated with the main site here at Perishable Press. So now there is the site blog at perishablepress.com and the store at books.perishablepress.com. Continue reading »

Weird Bug with Highlight.js

Working on adding syntax highlighting to my code snippets here at Perishable Press. To do it, I use my free WordPress plugin Prismatic. Basically all the plugin does is load up either the Highlight.js scripts and styles, or it loads up the Prism.js scripts and styles. So I can rule out the plugin itself for this “weird” little bug. The issue is with Highlight.js specifically. Continue reading »

Redesign #25: Performance Over Perfection

[ Previous site design: the X theme ]

Welcome to the 2020 (25th!) redesign for Perishable Press. Like many of the previous designs, the new design is super minimal and organic. The #1 goal this time around was to find an optimal balance between performance and aesthetics. Or put another way.. Continue reading »

PHP Code Not Displayed in Browser

[ Screenshot showing proper display of PHP code snippet ]

Recently a reader sent in a bug report about this post on bbPress. For some reason the PHP code snippets were not displaying properly in the browser. Basically, instead of looking neat and tidy as always, the code looked like a garbled mess of spaced-out nonsense. And by “spaced out” I don’t mean in a good way: there was literally like 100px of vertical space breaking up the jumbled lines of code. It was definitely a mess, so I began […] Continue reading »

How to Fix _blank Target Vulnerability

[ _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 »

CSS Background Hover Slide Effect

While working on the site’s 24th redesign, I played around with a number of styles to customize the appearance of links. As you can see by hovering over any link, I decided to keep the styles as minimal as possible while still letting the user know that, “hey, this is a link”. This quick post shares one of the link styles I was considering, it’s sort of a “slide-up” background-color effect that happens when the user hovers over the hyperlink. Continue reading »

X Theme Leftover Code Snippets

While working on the site’s 24th redesign, I ended up with about 10 code snippets that were awesome but ultimately not needed. So rather than just delete these tasty functions, I am posting them here for future reference. Who knows, during the next site update I may decide to implement or repurpose some of these techniques. And of course sharing is caring, so feel free to use any of these code snippets in your own projects. Check out the Table […] Continue reading »

WordPress and the Blank Target Vulnerability

[ WP Visual/RTE Insert Link Dialog ]

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 »

Clearfix Hack Evolution: From Dumpster Fire to One Line of Code

[ Clearfix Hack Evolution ]

Is the clearfix method of clearing floats still useful? It’s been years now and I think the answer is “yes”. For example, I use clearfix to clear floats in the site’s current design. It’s the “cleanest” way to clear floated elements without setting widths, hiding overflow, or floating (nearly) everything. I know what some of you are thinking: “Cleanest..? Clearfix is a hack. A total nightmare event.” Years ago that may have been the case, but not so much anymore.. Continue reading »

Metamorphosis

[ Perishable Theme (from 2008) ]

After 9 grueling weeks, I am happy to say that the 2018 Perishable Press redesign is complete. There are still a few small details that I am contemplating, but overall the work is finished and the site is back to full production capacity. From the old Wire theme rolled out in 2013 (five years ago!), to the minimalist, lightweight X Theme, Perishable Press has metamorphosed into a lean, mean, content sharing machine. This is the 24th time Perishable Press has […] Continue reading »

Redesign in progress..

Pardon my dust! I am in the process of switching over to the site’s new design. Please report anything weird, otherwise please pardon my dust as the site settles in with its new theme :) Will post a full report soon! Continue reading »

Blackhole for Bad Bots – Quick Start

[ Black Hole (Figurative) ]

Welcome to the Quick Start Guide for the standalone PHP version of Blackhole for Bad Bots. This post basically is a condensed summary of the original Blackhole tutorial. So if you are new to the concept of blocking bad bots, check out the original tutorial. Otherwise, for those that are familiar, the following guide should simplify things and help you get started with Blackhole as quickly as possible. Continue reading »

Tips for Atom Code Editor

[ Tips for Atom Code Editor ]

For some of my tutorials, I use the Atom Code Editor. It’s not as easy as Coda, but it does provide a LOT more flexibility in terms of configuration and customization. Over the last couple of years, I’ve collected a handful of useful tips and tricks for dialing in the perfect Atom environment. Well, perfect for my own needs — your mileage may vary. So without further ado, let’s jump into some sweet Atom tips. I update this post with […] Continue reading »

Tools to check your site’s health

Perishable Press is now over 12 years old. It is a lot of work keeping everything updated, maintained, and well-secured. Fortunately there are a gazillion free online tools for checking your site’s health. Everyone has their favorites. In this quick article, I share mine. Continue reading »

WordPress Plugin: Theme Switcha

[ Theme Switcha ]

Announcing my latest WordPress plugin, Theme Switcha! There are many theme-switch plugins but none of them provide the simplicity, performance, and reliability that I require for my own sites. So I wrote my own plugin using the WP API and kept the code as focused and solid as possible. Only essential theme-switching features have been added, along with a simple yet informative UI. Theme Switcha gives you a consistent, quality theme-switching experience that you can optionally share with your visitors. 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 »
BBQ Pro: The fastest firewall to protect your WordPress.
Thoughts
Air finally clearing here in WA. Feeling grateful to breathe again. #oxygenmatters
Past week here in WA state has been hellish. So much smoke, like living in a chimney.
Now in September, I’m where I wanted to be in March.
Spent some time updating my article on unsafe characters, once again current with latest IETF specification.
Just realized that “Neo” is an anagram for “One”. As in, “he is the One” (The Matrix).
To get VLC app to load all songs (including subfolders), go to Preferences ▸ Show All ▸ Playlist ▸ Subdirectory behavior ▸ Expand.
Switching from PhotoShop to Affinity Photo is one of the most liberating work-related things I've done in 20 years.
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