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Lea Verou

lea.verou.me

2026

The best dark mode toggle is probably none original ↗

2 Sept 2026

Dark mode toggles: two states are enough original ↗

6 Aug 2026

In defense of polyfills original ↗

13 Jul 2026

External import maps, today!original ↗

2 Mar 2026

Web dependencies are broken. Can we fix them?original ↗

7 Jan 2026

2025

In the economy of user effort, be a bargain, not a scam original ↗

29 Sept 2025

State of HTML 2025 now open!original ↗

22 Jul 2025

Influence the State of HTML 2025 Survey!original ↗

8 Jul 2025

The Hovercar Framework for Deliberate Product Design original ↗

25 Jun 2025

Bluesky Likes Web Components original ↗

17 Jun 2025

Construction Lines original ↗

13 Jun 2025

Style-observer: JS to observe CSS property changes, for reals original ↗

12 Feb 2025

2024

Context Chips in Survey Design: “Okay, but how does it _feel_?”original ↗

27 Dec 2024

Web Components are not Framework Components — and That’s Okay original ↗

1 Oct 2024

Making the Web more Awesome — for everyone original ↗

16 Sept 2024

Forget “show, don’t tell”. Engage, don’t show!original ↗

3 Jul 2024

Inline conditionals in CSS, now?original ↗

21 Jun 2024

Inline conditionals in CSS?original ↗

18 Jun 2024

On compliance vs readability: Generating text colors with CSS original ↗

17 May 2024

2023

Eigensolutions: composability as the antidote to overfit original ↗

19 Dec 2023

Minimalist Affordances: Making the right tradeoffs original ↗

2 Nov 2023

State of HTML 2023 now open!original ↗

22 Sept 2023

Numbers or Brackets for numeric questions?original ↗

3 Aug 2023

Help Design the Inaugural State of HTML Survey!original ↗

26 Jul 2023

Going Lean original ↗

21 Jul 2023

Rethinking Categorization original ↗

20 Jul 2023

11ty: Index ALL the things!original ↗

19 Jul 2023

Migrating Disqus from WP to 11ty original ↗

18 Jul 2023

JS private class fields considered harmful original ↗

28 Apr 2023

Contrast Ratio has a new home — and this is great news!original ↗

18 Mar 2023

2022

Position Statement for the 2022 W3C TAG Election original ↗

7 Nov 2022

State of CSS 2022 now open!original ↗

3 Oct 2022

On ratings and meters original ↗

12 Aug 2022

Help design the State of CSS Survey 2022!original ↗

28 Jul 2022

What is the best way to mark up an exclusive button group?original ↗

14 Jul 2022

Introducing Rety: live coding, without the stress original ↗

13 Jul 2022

Releasing Color.js: A library that takes color seriously original ↗

29 Jun 2022

2021

On Yak Shaving and ``, a new HTML element for Markdown original ↗

26 Nov 2021

Custom properties with defaults: 3+1 strategies original ↗

15 Oct 2021

Inherit ancestor font-size, for fun and profit original ↗

24 Jun 2021

Is the current tab active?original ↗

24 May 2021

82% of developers get this 3 line CSS quiz wrong original ↗

21 May 2021

Dark mode in 5 minutes, with inverted lightness variables original ↗

30 Mar 2021

Mass function overloading: why and how?original ↗

10 Feb 2021

2020

Writable getters original ↗

23 Dec 2020

Position Statement for the 2020 W3C TAG Election original ↗

30 Nov 2020

The case for Weak Dependencies in JS original ↗

19 Nov 2020

Simple pie charts with fallback, today original ↗

12 Nov 2020

The --var: ; hack to toggle multiple values with one custom property original ↗

12 Oct 2020

The failed promise of Web Components original ↗

24 Sept 2020

Developer priorities throughout their career original ↗

16 Sept 2020

Parsel: A tiny, permissive CSS selector parser original ↗

7 Sept 2020

Introspecting CSS via the CSS OM: Get supported properties, shorthands, longhands original ↗

27 Jul 2020

Import non-ESM libraries in ES Modules, with client-side vanilla JS original ↗

20 Jul 2020

Releasing MaVoice: A free app to vote on repo issues original ↗

11 Jul 2020

The Cicada Principle, revisited with CSS variables original ↗

7 Jul 2020

Refactoring optional chaining into a large codebase: lessons learned original ↗

18 Jun 2020

Hybrid positioning with CSS variables and max()original ↗

5 Jun 2020

New decade, new theme original ↗

3 Jun 2020

Today's Javascript, from an outsider's perspective original ↗

25 May 2020

LCH colors in CSS: what, why, and how?original ↗

4 Apr 2020

2019

Issue closing stats for any repo original ↗

13 Dec 2019

Utility: Convert SVG path to all-relative or all-absolute commands original ↗

6 May 2019

2018

ReferenceError: x is not defined?original ↗

14 Dec 2018

Refresh CSS Bookmarklet v2 original ↗

18 Sept 2018

Easy Dynamic Regular Expressions with Tagged Template Literals and Proxies original ↗

4 Jun 2018

Never forget type="button" on generated buttons!original ↗

19 May 2018

Responsive tables, revisited original ↗

14 May 2018

Quicker Storify export original ↗

27 Apr 2018

Free Intro to Web Development slides (with demos)original ↗

20 Feb 2018

2017

Different remote and local resource URLs, with Service Workers!original ↗

30 Oct 2017

Introducing Mavo: Create web apps entirely by writing HTML!original ↗

16 May 2017

HTML APIs: What they are and how to design a good one original ↗

16 Feb 2017

Duoload: Simplest website load comparison tool, ever original ↗

3 Feb 2017

2016

Resolve Promises externally with this one weird trick original ↗

14 Dec 2016

URL rewriting with Github Pages original ↗

26 Nov 2016

Autoprefixing, with CSS variables!original ↗

7 Sept 2016

Markapp: A list of HTML libraries original ↗

26 Aug 2016

Introducing Multirange: A tiny polyfill for HTML5.1 two-handle sliders original ↗

31 May 2016

2015

My positive experience as a woman in tech original ↗

17 Dec 2015

Introducing Bliss: A 3KB library for happier Vanilla JS original ↗

4 Dec 2015

Copying object properties, the robust way original ↗

16 Aug 2015

On the blindness of blind reviews original ↗

13 Aug 2015

Stretchy: Form element autosizing, the way it should be original ↗

26 Jul 2015

Spot the unsubscribe (link)!original ↗

14 Jul 2015

Conical gradients, today!original ↗

18 Jun 2015

Idea: Extending native DOM prototypes without collisions original ↗

20 Apr 2015

jQuery considered harmful original ↗

19 Apr 2015

Awesomplete: 2KB autocomplete with zero dependencies original ↗

19 Feb 2015

2014

An easy notation for grayscale colors original ↗

27 Jul 2014

Image comparison slider with pure CSS original ↗

25 Jul 2014

Dynamically generated SVG through SASS + A 3D animated RGB cube!original ↗

4 Apr 2014

I’m going to MIT!!original ↗

11 Feb 2014

Introducing Whathecolor: A color game for web developers!original ↗

8 Feb 2014

Vote for me in the net awards 2014!original ↗

30 Jan 2014

Smooth state animations with animation-play-state original ↗

9 Jan 2014

2013

Simple script: Automatic talks list original ↗

28 Dec 2013

CSS is for developers original ↗

5 Dec 2013

Cleanest CSS spinner, ever original ↗

29 Nov 2013

Flexible Google-style loader with CSS original ↗

11 Nov 2013