Collective #401

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Bringing interactive examples to MDN
Will Bamberg writes about how interactive examples were added to the MDN JavaScript and CSS reference pages.
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Crunch
Crunch is a macOS tool for PNG image file optimization built on pngquant and zopflipng.
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Figma Platform
The Figma Platform enables apps, websites and internal tools to integrate directly with the realtime state of design in Figma from using a Web API and an open JSON format. Read more about it in this article.
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The Ultimate Guide to Background Images in Email
Jason Rodriguez explains why and how to use background images in an email campaign.
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#SmooshGate FAQ
Mathias Bynens explains how a proposal for a JavaScript language feature called Array.prototype.flatten turned out to be Web-incompatible.
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Check for support of CSS variables
Ire Aderinokun’s trick to check if a browser supports CSS variables.
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Diversity Avatars (PNG, SVG, EPS, AI)
30 free icons from diversityavatars.com that capture the beauty and diversity of people and cultures around the world.
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Improving page performance with Chrome DevTools
Umar Hansa’s DevTool lesson on how to improve page performance.
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Free Font: Homemade
Locomotype designed this joyful brush font.
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Pretzel
A macOS app that shows and searches keyboard shortcuts based on your currently focused app. By Amie Chen.
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Page Size and SEO – Are they related?
Learn how page size directly affects search rankings in this article by MachMetrics.
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Gradient shadow in pure CSS
A nice button with a gradient shadow look using pseudo elements.
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Lazy Loading JavaScript Modules With ConditionerJS
Rik Schennink explains how ConditionerJS can help make websites more flexible and user-oriented.
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Beat Blender
With this tool you can blend beats using machine learning and create music in a fun new way.
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Skin and Eye Rendering
Insane Three.js model rendering by David Lenaerts.
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Leaf Notes – An Interactive Web Toy
Read about Matt Deslauriers’ interactive web toy that he built for the design and animation studio, Tendril.
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Pure CSS Saturn Hula Hooping
Jamie Coulter made a hula hooping Saturn just with CSS.
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Lunacy (Beta)
Lunacy is now in beta: a native Windows app that works offline and supports .sketch files.
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A list of cool Chrome DevTools Tips and Tricks
Some Chrome DevTools tips by Flavio Copes.
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Medical Icon Set
A free icon set with some excellent medical themed icons.
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WAI-ARIA: the dark art of accessibility?
In case you missed it: an awareness-raising blog post for web developers about ARIA.
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Free Font: Altero
Stefano Giliberti designed this display typeface with a bold look.
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Collective #401 was written by Pedro Botelho and published on Codrops.