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Paul Kinlan

View Source for Safari on iOS with Shortcuts

I love view-source, it’s a nifty super power of the web that nearly all mobile browsers are try

Thu, 28 May 2020 20:11:14 +0000

Quick Console bookmarklet for Desktop and Mobile

Sometimes when I am on my mobile, I just want quick access to the JS console so that I can see what i

Thu, 21 May 2020 22:00:47 +0000

Use Bookmarklets on Chrome on Android

I love Bookmarklets, they let you quickly customise web sites in a lighter way than a Chrome extensio

Thu, 21 May 2020 16:20:28 +0000

Quick Picture in Picture Bookmarklet

Picture in Picture is an amazing API, it let’s you keep on working in another tab but have a li

Sat, 09 May 2020 10:56:14 +0000

River Dee in Llangollen before and after heavy rain

One of my favourite activities is driving, specifically through hilly terrain, and North Wales is one

Fri, 28 Feb 2020 12:51:56 +0000

Scroll to text bookmarklet

I forgot that Scroll to Text fragment was a thing that is launching soon in Chrome (81 and not 80 as

Tue, 11 Feb 2020 09:51:48 +0000

What do you want from a Web Browser Developer Relations team?

It’s my 10 year anniversary at Google today, and I’ve had an incredible time. I’ve

Sat, 01 Feb 2020 12:31:45 +0000

Thinking about Developer Satisfaction and Web Developers

It would be an understatement to say that MDN’s Developer Needs Assessment has helped the Chrom

Wed, 15 Jan 2020 13:53:26 +0000

Hiring: Chrome Privacy Sandbox Developer Advocate

It’s looking like 2020 will be a big year for Privacy across the web and our team (Chrome) is n

Thu, 09 Jan 2020 15:05:36 +0000

Correct image orientation for images - Chrome 81

Looks like one of the oldest bugs in Chromium has been fixed. Chrome used to display images in landsc

Thu, 09 Jan 2020 14:16:53 +0000

Light fork of SimpleImage for Editor.js

I love Editor.js. It’s a nice simple block editor that I use to write these posts. It has a hos

Thu, 09 Jan 2020 13:33:02 +0000

Airhorner with added Web USB

This new year Andre Bandarra left me a little surprise on my desk: A physical airhorner built with We

Mon, 06 Jan 2020 13:56:40 +0000

Matsushima, Miyagi

Before we visited Yamadera we spent the day in Matsushima in Miyagi prefecture. It was an amazingly b

Thu, 26 Dec 2019 20:19:50 +0000

Yamadera, Yamagata

Early in December we took a short day-trip to Yamadera Temple in Yamagata prefecture. The temple area

Thu, 26 Dec 2019 18:51:58 +0000

Modern Mobile Bookmarklets with the ShareTarget API

Bookmarklets are an unsung superpower of Desktop Web Browsers. They are not as powerful as Chrome Ext

Wed, 18 Dec 2019 13:48:22 +0000

Pixel 4XL Infrared sensor via getUserMedia

It’s turns out that you can access the pixel 4 face detection IR camera via normal getUserMedia

Tue, 10 Dec 2019 02:34:54 +0000

Sunset over Tokyo from Shibuya

I was walking past the window in the Office and I saw this rather awesome view.

Thu, 05 Dec 2019 08:44:56 +0000

Harlech Castle

I love a good Castle. Luckily North Wales is full of amazing Castles. Last week I took the boys to Ha

Wed, 04 Dec 2019 04:34:07 +0000

Puppeteer Go

I love Puppeteer - it lets me play around with the ideas of The Headless Web - that is running the we

Tue, 03 Dec 2019 02:28:20 +0000

A simple video insertion tool for EditorJS

I really like EditorJS. It’s let me create a very simple web-hosted interface for my static Hug

Tue, 05 Nov 2019 00:48:57 +0000

Test post Video upload

If you see a video here, then it worked.

Tue, 05 Nov 2019 00:17:27 +0000

Friendly Project Name Generator with Zeit

I’ve got some ideas for projects that make it easier to create sites on the web - one of the id

Sun, 27 Oct 2019 20:18:27 +0000

Frankie and Bennys: Pay for your meal via the web

Whenever I see a restaurant say that you can pay on mobile, I always check it out, mostly so I can be

Sun, 20 Oct 2019 17:17:06 +0000

Podroll

I love podcasts and I listen to quite a few, yet I still find discovering new podcasts is quite a har

Sun, 20 Oct 2019 12:17:17 +0000

Adding "dark mode" to my blog

I saw Jeremy Keith’s post about adding dark mode to his blog and it seemed simple, so I decided

Mon, 14 Oct 2019 12:17:17 +0000

Using Web Mentions in a static site (Hugo)

My blog is an entirely static site, built with Hugo and hosted with Zeit. This is a great solution fo

Mon, 07 Oct 2019 20:11:30 +0000

Creating a pop-out iframe with adoptNode and "magic iframes"

Update: 8th October - Significant issues with this doc.I caught up with Jake Archibald about this pos

Sun, 06 Oct 2019 20:58:16 +0000

Meatspace Augmented Reality: From Chester to Nagoya

I love Chester - it’s a walled Roman fort town in the North West of England, with a heap of his

Sun, 18 Aug 2019 15:00:23 +0000

Paul Lewis

🌟 When everything's important, nothing is! 🌟

Do libraries and frameworks prioritize components on boot? If so, how, and if not what can

Sat, 10 Dec 2016 00:00:00 +0000

Slicing SVG 9 Ways

I recently made a 3D Card Flip element as part of my Supercharged YouTube video series, and

Tue, 30 Aug 2016 00:00:00 +0000

The Anatomy of a Frame

I'm often asked by other developers about parts of the pixel workflow, and what fires when

Mon, 15 Feb 2016 00:00:00 +0000

The Hack is Back!

Image decoding can be a source of checkboarding and jank. What if there was a way to work a

Mon, 25 Jan 2016 00:00:00 +0000

The Cost of Frameworks

I recently delivered a talk at FFConf in Brighton, called "You should use <insert librar

Mon, 16 Nov 2015 00:00:00 +0000

Big Rig

I'm a big fan of performance testing, but for many it's hard to get at extended data about

Mon, 09 Nov 2015 00:00:00 +0000

CORS for Concern

.... and something I couldn't turn into a link-baity title for Mixed Content. (Sorrynotsorr

Wed, 30 Sep 2015 00:00:00 +0000

Spelunking in Decoratorland

There's a rumour of a suggestion of a thought of a concept about these things called decora

Thu, 09 Jul 2015 00:00:00 +0000

React + Performance = ?

React is very popular at the moment, and I can see why: its developer ergonomics are very a

Fri, 03 Jul 2015 00:00:00 +0000

Guitar Tuner

Given we have the Web Audio API and getUserMedia, I wondered if I could make a passable gui

Wed, 17 Jun 2015 00:00:00 +0000

Polymer for the Performance-obsessed

I'm building a small web app at the moment, and so I've taken the opportunity to give Polym

Thu, 11 Jun 2015 00:00:00 +0000

Voice Memos

The past few weeks I've been a busy chap. I've been building a new web app for recording vo

Fri, 15 May 2015 00:00:00 +0000

Moar Performance!

It's been a while since I posted an update, so I wanted to give a brief breakdown of what I

Fri, 24 Apr 2015 00:00:00 +0000

FLIP Your Animations

Animations in your web app should run at 60fps. Not always easy to achieve that,and it real

Wed, 11 Feb 2015 00:00:00 +0000

Some Gotchas That Got Me

I've been building a web app recently and I've had one of those builds. You know, one of th

Sat, 18 Oct 2014 00:00:00 +0000

CSS Triggers

I figure we needed a definitive reference for what work is triggered by changing various CS

Sat, 26 Jul 2014 00:00:00 +0000

Pixels are expensive

How pixels get onto your users' screens is something you should know about. Not for the sak

Thu, 03 Jul 2014 00:00:00 +0000

Better password form fields

The best experiences are all about reducing friction, and that takes many forms. Sometimes

Tue, 29 Apr 2014 00:00:00 +0000

trigger vs triggerHandler in jQuery

It's never nice to see bugs crop up because libraries and browsers aren't interacting as ex

Wed, 23 Apr 2014 00:00:00 +0000

Web Components and the Three Unattractive Pillars

Web Components are the future, for better or worse! That was the summary provided by Peter

Mon, 24 Mar 2014 00:00:00 +0000

My Performance Audit Workflow

Sometimes I get asked to do performance audits on web projects and to make some recommendat

Mon, 03 Mar 2014 00:00:00 +0000

Bye Bye Layer Hacks, Hello will-change

Have you ever used the translateZ hack to create a new compositor layer? Most developers ha

Thu, 30 Jan 2014 00:00:00 +0000

Algowhatnow?

There have been some posts recently that lament the way that companies hire front-end devel

Wed, 22 Jan 2014 00:00:00 +0000

Dart: on its merits

Younger Paul was an inquisitive chap. He liked to monkey about with loads of different tech

Wed, 18 Dec 2013 00:00:00 +0000

The Web Needs Containment

Make me a view in HTML. Go on. You can't, of course, because the browser has no idea what a

Wed, 11 Dec 2013 00:00:00 +0000

Bad Benchmark, Right Result

A benchmark is a benchmark, right? How wrong can it be? Turns out I got hoodwinked by one,

Sun, 01 Dec 2013 00:00:00 +0000

New Site, Same Old Priorities

A new site! The last version was getting a little bit dated, both in terms of design but al

Sat, 30 Nov 2013 00:00:00 +0000

Making a 60fps Mobile App

Mobile apps are difficult to make. To stay relevant I decided to give it a crack. And I tri

Tue, 02 Jul 2013 10:05:33 -0500

It should "just work"

The browser is a black box, yet we often have to optimize for implementation specifics. Is

Wed, 26 Jun 2013 07:52:57 -0500

Reflections on Performance at Google I/O

I spent most of my time at Google I/O talking to developers about performance. Here are som

Tue, 28 May 2013 08:13:35 -0500

Reinventing the Wheel

I'm worried about the web. I mainly worry that we're not advancing the state of the art qui

Wed, 10 Apr 2013 11:40:38 -0500

Don't Guess it, Test it!

The browser is a black box, yet we often have to optimize for implementation specifics. Is

Mon, 18 Mar 2013 11:58:05 -0500

On translate3d and layer creation hacks

Translate3d is often hailed as something of a silver bullet. In many cases it will drastica

Wed, 27 Feb 2013 14:44:01 -0600

Jake Archibald

Service workers at TPAC

Last month we had a service worker meeting at TPAC. Here's a summary…

2019-10-06T14:05:43.000Z

What happens when packages go bad?

How much damage can a malicious package do to a static site?

2018-12-14T11:41:38.000Z

Netflix functions without client-side React, and it's a good thing

Netflix improved performance by deferring react on the client, but this doesn't reflect badly on Reac

2017-10-31T11:02:49.000Z

Lazy async SVG rasterisation

Using createImageBitmap for threaded SVG rendering.

2017-09-08T09:57:21.000Z

HTTP/2 push is tougher than I thought

There are lots of edge cases I hadn't considered, and it's very inconsistent between browsers. Here's

2017-05-30T00:36:05.000Z

ECMAScript modules in browsers

ES modules are landing in browsers! Here are the HTML-specific differences you need to be aware of.

2017-05-02T14:29:25.000Z

Combining fonts

Using @font-face to replace glyphs of one font with another.

2017-04-28T15:05:35.000Z

Async iterators and generators

Async iterators are arriving soon, and they make reading a stream really easy. Here's how they work,

2017-04-18T15:25:28.000Z

Fun hacks for faster content

Using iframes and document.write to improve performance of content loading.

2016-12-06T13:05:11.000Z

Sounds fun

Queueing, synchronising, and looping audio using the web audio API.

2016-11-29T11:42:42.000Z

SVG & media queries

You can use media queries to add responsiveness to SVG, but which viewport triggers those media queri

2016-10-10T14:50:06.000Z

Caching best practices & max-age gotchas

How to get the most out of caching without nasty race conditions

2016-04-27T17:01:06.000Z

Streaming template literals

Building streams from multiple sources using JavaScript template literals

2016-04-07T03:03:44.000Z

Control CSS loading with custom properties

Full dynamic control over async CSS using custom properties. All the buzzwords.

2016-02-16T13:02:50.000Z

Service workers and base URIs

We've ran into a contentious service worker design issue, help us resolve it!

2016-02-02T13:59:39.000Z

2016 - the year of web streams

Using web streams to process network data, transcode MPEG to GIF, & slash page render times.

2016-01-25T15:00:00.000Z

Web Fundamentals

Deprecations and removals in Chrome 84

Note: Chrome expects to start the spec-mandated turn down of AppCache in Ch

27 May 2020 00:00:00 GMT

New in Chrome 83

New in Chrome 83Chrome 83 is starting to roll out to stable now. Here

19 May 2020 00:00:00 GMT

Handling Heavy Ad Interventions

Handling Heavy Ad InterventionsAds that consume a disproportionate amount o

14 May 2020 00:00:00 GMT

What's New In DevTools (Chrome 84)

What's New In DevTools (Chrome 84)Fix site issues with the new Issues t

12 May 2020 00:00:00 GMT

Deprecations and removals in Chrome 83

Deprecations and removals in Chrome 83Disallow downloads in Sandboxed ifram

10 Apr 2020 00:00:00 GMT

New in Chrome 81

New in Chrome 81Chrome 81 is starting to roll out to stable now. Here

07 Apr 2020 00:00:00 GMT

The Chromium Chronicle: Time-Travel Debugging with RR

The Chromium Chronicle: Time-Travel Debugging with RREpisode 13: March, 202

18 Mar 2020 00:00:00 GMT

What's New In DevTools (Chrome 83)

What's New In DevTools (Chrome 83)Emulate vision deficienciesOpen the R

10 Mar 2020 00:00:00 GMT

Deprecations and removals in Chrome 81

Deprecations and removals in Chrome 81Deprecation and Remove "basic-ca

26 Feb 2020 00:00:00 GMT

Adding notification permission data to the Chrome User Experience Report

Adding notification permission data to the Chrome User Experience ReportChr

11 Feb 2020 00:00:00 GMT

Rob Dodson (Medium)

Which elements support shadow DOM?

Oliver on twitter asked:Is there a list somewhere of which HTML elements can and can’t have a shadow 

Sun, 13 Jan 2019 16:56:36 GMT

They’re all pretty similar so it’s up to you which you prefer to use.

They’re all pretty similar so it’s up to you which you prefer to use.If you want to track your scores

Mon, 03 Dec 2018 18:39:26 GMT

If you’re running the audit in DevTools itself you can export JSON for the data.

If you’re running the audit in DevTools itself you can export JSON for the data. web.dev will also li

Mon, 03 Dec 2018 18:37:59 GMT

I believe this audit is checking if any anchors, , on the page are missing an…

I believe this audit is checking if any anchors, <a href=”…”>, on the page are missing an acces

Fri, 30 Nov 2018 16:27:54 GMT

Hey Samuel,

Hey Samuel,They all use the same tool under the hood (Lighthouse). Currently the version on web.dev d

Fri, 30 Nov 2018 16:24:07 GMT

web.dev status update, 29th Nov 2018

Hey folks,It’s been a couple weeks since our last update so we wanted to check-in and let you know wh

Fri, 30 Nov 2018 02:09:29 GMT

Hi Sara,

Hi Sara,You can file an issue at github.com/googlechrome/web.dev. When you file an issue, make sure t

Fri, 30 Nov 2018 01:21:33 GMT

Hi Vittorio,

Hi Vittorio,You can file issues here: https://github.com/googlechrome/web.devWe started to open up th

Tue, 20 Nov 2018 17:12:02 GMT

Hi Sunny

Hi SunnyUnder the hood we’re using a tool called Lighthouse (https://developers.google.com/web/tools/

Tue, 20 Nov 2018 17:10:27 GMT

Addy Osmani (Medium)

JavaScript Loading Priorities in Chrome

How browsers schedule and execute scripts can impact the performance of web pages. While techniques l

Wed, 20 Feb 2019 00:54:50 GMT

Measure, Optimize & Monitor.

Performance is a constant process, not a one-time checklist. It requires continuous monitoring and wo

Mon, 12 Nov 2018 19:46:46 GMT

A Netflix Web Performance Case Study

Improving Time-To-Interactive for Netflix.com on Desktoptl;dr: There are no silver bullets to web per

Mon, 05 Nov 2018 17:43:17 GMT

Start Performance Budgeting

If you’re building a web experience and want to stay fast, a performance budget can be critical. For

Mon, 08 Oct 2018 17:00:02 GMT

The Cost Of JavaScript In 2018

Update: The Cost Of JavaScript In 2019 is now available to read.Building interactive sites can involv

Wed, 01 Aug 2018 20:24:36 GMT

A Tinder Progressive Web App Performance Case Study

Tinder recently swiped right on the web. Their new responsive Progressive Web App — Tinder Online — i

Sun, 24 Dec 2017 06:27:59 GMT

A Pinterest Progressive Web App Performance Case Study

Pinterest’s new mobile web experience is a Progressive Web App. In this post we’ll cover some of thei

Wed, 29 Nov 2017 21:53:48 GMT

The Cost Of JavaScript

As we build sites more heavily reliant on JavaScript, we sometimes pay for what we send down in ways

Wed, 15 Nov 2017 16:19:22 GMT

Hacker News Progressive Web Apps

At Google I/O this year, we introduced HNPWA (Hacker News Readers as PWAs) — a project aiming to demo

Wed, 20 Sep 2017 02:50:59 GMT

A React And Preact Progressive Web App Performance Case Study: Treebo

Authors: Treebo: Lakshya Ranganath, Chrome: Addy OsmaniTreebo is India’s top rated budget hotel chain

Tue, 12 Sep 2017 22:22:20 GMT

Sam Thorogood (Medium)

Glad you liked it.

Glad you liked it. Be sure to include the NPM source in your bundle or use say, unpkg like this so yo

Tue, 21 Apr 2020 00:38:21 GMT

The data is here:

The data is here:https://medium.com/media/d474a5dd7c9833159d53274a27c7ba83/href

Wed, 13 Jun 2018 01:34:17 GMT

Try loading the script like this:

Try loading the script like this:<script src="..." type="module" crossorigin=&

Sun, 03 Jun 2018 23:07:43 GMT

↩️ Native Undo & Redo for the Web

This was originally posted on dev.to, 23 April 2018.How can you support Undo and Redo natively for el

Tue, 15 May 2018 23:21:38 GMT

You’ll need HTTPS to make any of what I’ve listed in my article work, sorry.

You’ll need HTTPS to make any of what I’ve listed in my article work, sorry. Good news though—Let’s E

Mon, 14 May 2018 02:22:12 GMT

It shouldn’t matter what it’s called.

It shouldn’t matter what it’s called. You have to link to it in your site’s <head>, though, lik

Mon, 14 May 2018 02:20:41 GMT

JS Callbacks to Promises

This post is about converting old APIs like requestAnimationFrame to modern, Promise-based APIs. ⚠️ I

Mon, 05 Feb 2018 17:01:01 GMT

Yes, it does have to be included on every page—your users can open your site at any point, so you…

Yes, it does have to be included on every page—your users can open your site at any point, so you wan

Thu, 18 Jan 2018 02:04:42 GMT

Thanks, this has changed since I first published the article. I’ve added this note.

Thanks, this has changed since I first published the article. I’ve added this note.

Wed, 18 Oct 2017 22:24:52 GMT

You’re totally correct.

You’re totally correct. And HTTP2 is definitely a thing on most hosts now—but the static analysis par

Thu, 14 Sep 2017 22:44:47 GMT

Alex Russell (Medium)

No worries!

No worries! Note that good polyfills are available back to IE11 as well: https://github.com/WebCompon

Wed, 07 Nov 2018 00:30:50 GMT

Safari, Opera, Chrome, Firefox, UC Browser, Samsung Internet, and China-market browsers that are…

Safari, Opera, Chrome, Firefox, UC Browser, Samsung Internet, and China-market browsers that are base

Tue, 06 Nov 2018 15:49:44 GMT

Something that gets lost in the desktop focus of most web developers is that web components are…

Something that gets lost in the desktop focus of most web developers is that web components are suppo

Tue, 06 Nov 2018 15:46:13 GMT

Solid is not W3C endorsed.

Solid is not W3C endorsed.The W3C endorses internet standards through its “recommendation track” proc

Wed, 10 Oct 2018 15:46:25 GMT

Why Are App Install Banners Still A Thing?

A tweetstorm digestion by Alex & Owen.“Why would someone add this banner to their website?!” asks

Thu, 04 May 2017 18:38:04 GMT

Sort of! The background sync API has retry built in.

Sort of! The background sync API has retry built in. If your operation doesn’t succeed, it will be re

Sun, 09 Apr 2017 11:27:31 GMT

Worth noting there’s prior art for both of these.

Worth noting there’s prior art for both of these. Both the Closure Library and Dojo Toolkit build sys

Sun, 09 Apr 2017 05:18:53 GMT

They’re less useful at the app level, but “data flow” for terminal nodes is “properties and…

They’re less useful at the app level, but “data flow” for terminal nodes is “properties and attribute

Thu, 01 Sep 2016 02:19:24 GMT

HTML Imports do de-duping.

HTML Imports do de-duping. That why you’ll see projects with Polymer components all <link rel=”imp

Thu, 01 Sep 2016 02:18:34 GMT

It’s totally true; you can’t just coin a term over dinner.

It’s totally true; you can’t just coin a term over dinner. You need to follow the well-established pr

Sun, 19 Jun 2016 09:50:04 GMT
There is an app update available Refresh