Posts
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How to Save WebP or AVIF as JPG or PNG in Chrome (2026)
Chrome keeps saving images as WebP or AVIF? Here's why it happens, the fastest way to fix it, and one-off converters when you just need a single file.
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DNS Resolution Adds Up
DNS resolution is cheap, but it ain't free. In scenarios when it counts, the `dns-prefetch` resource hint could give you a nice, slight edge in the front-end performance game.
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PicPerf Can Now Host Your Images
PicPerf no longer requires your images to be remotely hosted before optimizing. Starting now, it'll host the originals for you too.
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PicPerf Now Offers URL-Based Image Resizing
Get a glimpse into PicPerf's new URL-based image resizing & transformation features, helping you supercharge your site's technical performance even further.
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Avoiding a "Host Permission" Review Delay When Publishing a Chrome Extension
Get a Chrome extension reviewed a smidge more quickly by more carefully executing its client-side scripts only when they're needed.
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Collect All Requested Images on a Website Using Puppeteer
Walking through how I used Puppeteer to programmatically collect every image loaded when a page is viewed in the browser.
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Looking Forward to (Hopefully) Not Needing Responsive Images One Day
I’ve decided I don’t like the responsive image API in HTML, or at least the idea that we still need it as a performance tool.By "responsive," I mean "show different versions of an image based on device," using only HTML. If it’s been a minute, here’s a recap. You can
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You Might Consider Using an Image Sitemap
Depending on the site, image sitemaps can be a helpful tool in an SEO strategy, making it ultra-clear to search engines the images they can and should index. Let's explore setting one up.
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Transform Image URLs with a Simple Cloudflare Worker
Cloudflare Workers make it easy to quickly transform HTML on the fly with no third-party dependencies. Let's show how smooth the process is by building one to prepare every image URL for use with PicPerf.io.
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It Might Be Worth Converting that GIF to an Animated WebP
The animated GIF has become a key piece of today’s meme culture, despite being around decades prior. But there are serious technical advantages to
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Why Your Website Should Use Modern Image Formats
With respect to performance, the format you choose for your site's images can have a huge impact on your site's performance and overall user experience.
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It's Never Been Easier to Performantly Put Images on the Web
The web has made many significant, meaningful advancements in performantly loading and rendering images over the years. Let's reminisce about a few.