Useful Tools for Creating AVIF Images | CSS-Tricks
AVIF (AV1 Image File Format) is a modern image file format specification for storing images that offer a much more significant file reduction when compared to other formats like JPG, JPEG, PNG, and WebP. Version 1.0.0 of the AVIF specification was finalized in February 2019 and released by Alliance for Open Media to the public. In this article, you will learn about some browser-based tools and com
A11yAutomation
A11y Automation Tracker A more thorough way to track the potential accessibility violations and the automated linters and tests currently available. Accessibility Automation Catch potential a11y violations faster. It can be hard to keep track of the potential accessibility violations in your code. More automation is being created for linting rules and tests-- and now there is a single site to trac
clipboard.js
Why Copying text to the clipboard shouldn't be hard. It shouldn't require dozens of steps to configure or hundreds of KBs to load. But most of all, it shouldn't depend on Flash or any bloated framework. That's why clipboard.js exists. Install You can get it on npm. npm install clipboard --save Or if you're not into package management, just download a ZIP file. Setup First, include the script locat
The HTML presentation framework | reveal.js
Hello Therereveal.js enables you to create beautiful interactive slide decks using HTML. This presentation will show you examples of what it can do. Vertical SlidesSlides can be nested inside of each other. Use the Space key to navigate through all slides. Basement Level 1Nested slides are useful for adding additional detail underneath a high level horizontal slide. Basement Level 2That's it, time
Local（macOS）のSSLのFirefoxの警告を回避する方法
WordPressのローカル環境構築ツール「Local 」のSSL設定がmacOSでうまくいかない場合の対処法を見つけたのでメモっておきます。 LocalのウェブサイトにSSL設定についての特設ページ（英語） があって、macOS Big Sur以降での設定方法が書かれているんですが、この設定をしてもFirefoxでは「潜在的なセキュリティリスクあり」という警告が出てしまいます。 以下は、この警告を回避するための設定方法です。 以前このブログで紹介したmkcertというコマンドラインツールを使って証明書と鍵を発行して、それらをLocalで使う方法です。 環境 以下の環境で設定と動作確認をしました。違うバージョンでは設定やフォルダの場所などが異なる場合があるのでご注意ください。 macOS Monterey 12.2.1 (Mac mini, M1 2020) Local 6.3.0+575
APCA Contrast Calculator
Click on a color patch next to "Text" or "Background" above to use the HTML5 color-picker (modern browsers). Otherwise enter color values in the text-box as a three or six digit hex value, the '#' is not necessary. Other valid entries are integer rgb(r,g,b) or an HTML color name (see bottom of page for list). PROBLEMS? Try a "Forced Reload" on your browser, and/or clear the cache. This is the APCA
Website Carbon Calculator v3 | What's your site's carbon footprint?
By using this carbon calculator, you agree to the information that you submit being stored and published in our public database. Yes, websites have a carbon footprint The internet consumes a lot of electricity. 416.2TWh per year to be precise. To give you some perspective, that’s more than the entire United Kingdom. From data centres to transmission networks to the billions of connected devices th
ffflux: Online SVG Fluid Gradient Background Generator | fffuel
This SVG gradient background generator makes it easy to generate fluid and organic-feeling mesh gradients. You can use the resulting graphics as backgrounds to elements on a page to give a colorful fluid look to page elements. Behind the scenes, this generator makes use of SVG filters like feTurbulence, feGaussianBlur and feBlend to create the smooth and fluid effect on a SVG gradient. 🎨 If you'd
Core Web Vitals Checker - Test your sites in one click - Calibre
How can this tool help me?We built Core Web Vitals Checker so you can see how people experience your website without setting up complex dashboards or processes. Core Web Vitals Checker reports four site speed metrics based on real Google Chrome browsing data. Each metric focuses on a different aspect of user experience, such as loading, interactivity and visual stability, so you know where to focu
Animated Gradient Background Generator
.gradient-background { background: linear-gradient(300deg,deepskyblue,darkviolet,blue); background-size: 180% 180%; animation: gradient-animation 18s ease infinite; } @keyframes gradient-animation { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }copy
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