An affordable full-day conference for designers & front-end developers. Join us in the heart of Leeds for an all-star lineup featuring some of the industry’s finest minds.

Friday 3rd May, 2019

Buy Tickets – £109



Single-track, single-day front-end conference


09:00 – 17:00, Friday 3rd May, 2019


Everyman Leeds,
Trinity Leeds,
Albion Street,


In association with Leeds International Festival  


Phil Hawksworth

Phil Hawksworth, Netlify (MC)

Phil is Head of Developer Relations at Netlify, the fastest growing automation and hosting platform for modern websites.

With a passion for browser technologies, and the empowering properties of the Web, he loves seeking out ingenuity and simplicity, especially in places where over-engineering is common.

Phil’s career in web development spans almost 20 years and includes time as a Software Engineer at Verisign, an Open Source Evangelist at British Telecom, and Technology Director at R/GA where he worked with clients around the world such as Nike, Google, Beats By Dre and Samsung to bring engaging and effective experiences to the widest audience possible.


Sarah Drasner

Sarah Drasner, Microsoft

Sarah Drasner is an award-winning Speaker, Principal Lead of Emerging Markets, Cloud Advocates at Microsoft, and Staff Writer at CSS-Tricks. Sarah is also the co-founder of Web Animation Workshops, with Val Head. She’s the author of SVG Animations from O’Reilly and has given Frontend Masters workshops on Vue.js and Advanced SVG Animations. Sarah is formerly Manager of UX & Engineering at Trulia/Zillow Group.


Tim Kadlec

Tim Kadlec, Independent Performance Consultant

Tim is an independent performance consultant and trainer focused on building a web everyone can use. He is the author of High Performance Images (O’Reilly, 2016) and Implementing Responsive Design: Building sites for an anywhere, everywhere web (New Riders, 2012). He writes about all things web at You can find him sharing his thoughts in a briefer format on Twitter at @tkadlec.


Sharon Steed

Sharon Steed, Communilogue

Sharon Steed is an international keynote speaker and the founder of Communilogue, an empathy consultancy.

Sharon helps audiences revolutionize the way they think about work by teaching them principles of empathy. She’s spoken in 14 countries spanning four continents on communicating with empathy. She’s facilitated conversations at companies on empathy at work and improving team communication; at conferences on vulnerability as an asset and empathy in action; and has given a TEDx talk on empowering insecurities.

A lifelong stutterer, she uses her speech impediment to teach both what empathy is and how to engage empathy daily. Sharon’s LinkedIn Learning course Communicating With Empathy has close to 330,000 views; and her O’Reilly Media live online training Empathy at Work runs continuously throughout the year.


Remy Sharp

Remy Sharp, Left Logic

Remy is the founder and curator of ffconf, the UK based JavaScript conference. He also ran ‘jQuery for Designers’ website, co-authored Introducing HTML5 and runs a video course on the command line.

Whilst he’s not writing articles or running and speaking at conferences, he runs his own development and training company in Brighton called Left Logic. And he built these popular tools: nodemon,, inliner,,, and others!


Nadieh Bremer

Nadieh Bremer, Visual Cinnamon

Nadieh Bremer is a graduated Astronomer, turned Data Scientist, turned Data Visualization Designer. After working for a consultancy and fintech company where she discovered her passion for the visualization of data, she’s now working as a freelancing data visualization designer under the name Visual Cinnamon.

As 2017’s ‘Best Individual’ in the Information is Beautiful Awards, she focuses on uniquely crafted (interactive) data visualizations that both engage and enlighten its audience. Ranging from companies as extensive as Google News Lab to small start-ups. From printed magazines such as Scientific American to an interactive experience for the Guardian to more promotionally focused artful visualizations for press releases, data-driven reports, and data art for in the office. As long as there’s data that has a story to reveal.


Andrew Betts

Andrew Betts, Fastly

Andrew is a web developer, product manager and developer advocate for Fastly, working with developers across the world to help make the web faster, more secure, more reliable and easier to work with. He founded a web consultancy which was ultimately acquired by the Financial Times, led the team that created their pioneering HTML5 web app, and founded the FT’s Labs division. He has also been an elected member of the W3C Technical Architecture Group, a committee of nine people who guide the development of the World Wide Web.



09:00 – 09:30


09:30 – 09:45

Opening Remarks

09:45 – 10:30

Remy Sharp – Using a Modern Web to Recreate 1980s Horribly Slow and Loud Loading Screens

These days people chase the dream of high performance, fast loading slick web sites. But in the 1980s computers were ugly, slow and loud: let’s make that instead!

The first generation of home computers launched a movement of developers and hackers across the world. But to start your app, you had to load a tape (a really old usb-type-thing), press play, and patiently wait for the screech of the program to load (akin to listening to a fax machine).

Why invest time in building a fast website, when we can have fun building slow old retro machines using JavaScript? The end result is a mix of Web Audio, canvas API, cameras, audio jacks, binary, typed arrays, blobs, history of computing and a lot of questionable JavaScript.

10:30 – 11:15

Nadieh Bremer – SVGs beyond mere shapes

On the web, and especially in data visualization, SVG is often only used to create shapes; circles, rectangles, lines. But SVG can do much more than ‘just’ be a shape.

In this talk, Nadieh will show you how to experiment with SVG gradients and filters to make data visualizations even more fun and engaging. She’ll demonstrate how to implement the techniques using JS, CSS, and the de-facto data visualization library d3.js.

From rainbow, moving and dynamic SVG gradients based on data, to SVG filters with which to create glow, gooey, and fuzzy effects that brighten up any visual and more.

11:15 – 11:45

Break (30 minutes)

11:45 — 12:30

Sharon Steed – Creating a Culture of Empathy

The most successful endeavours all follow the same general trajectory: a decent idea executed flawlessly by a cohesive team of hard workers. No matter the project, everything can be achieved following this general guideline. But the exact thing that can create global companies, solve impossible problems, and bring ideas to life is also the same reason why so many companies fail. That thing is us. People. But when we’re at our best, there isn’t anything we can’t do. So how do we optimise collaboration? How do we work better together even if we don’t see eye to eye with everyone on our teams? And how do we create a culture of empathy when all we can see about everyone around us is our differences?

Sharon Steed explores empathy in an unusual way: from the perspective of a stutterer. Sharon explains what empathy is (and what it isn’t) and gives you the tools you need to create a culture of empathy on your team.

12:30 — 13:15

Andrew Betts – Making Less of the Web with Feature Policy

The web platform has seen a decade of furious expansion, with websites now able to access USB, vibration, bluetooth, and geolocation, as well as store huge amounts of data on end user devices, trigger background sync and notifications, and even get paid from users’ digital wallets.

But with this expansion has come an increased scope for attacks, costly mistakes and performance regressions.  Feature policy is a new feature designed to actually disable or limit features of the platform.  With a feature policy, developers can solve performance issues, improve security, police their development team’s best practices, and even stop third party scripts from misbehaving. All with one new HTTP header.

13:15 – 14:30

Lunch (1 hour 15 minutes)

14:30 – 15:15

Lightning Talks

A series of lightning talks covering a variety of topics.

15:15 – 16:00

Sarah Drasner – Future of Animation

We talk a lot about how to animate on the web, and what’s possible in browsers today, but where is animation heading? In this talk, we’ll start with some bleeding edge techniques such as native-like page transitions with client side rendering, but then we’ll push it further.

The intersection of health and animation with biofeedback sensors, the future of 3d in the browser complete with interviews with people who are writing these specs... this talk will show that in terms of animation on the web, we’re just getting started.

16:00 – 16:45

Tim Kadlec – The Long-Tail of Performance

Successfully, and efficiently, delivering a site to visitors involves a lot of moving parts. The server has to spit something out, which gets passed over the network to the requesting device. The browser takes over from there, coordinating with the device to try and deliver the page as quickly as possible. When things go well, we barely notice and if we’re not careful, neither do our metrics.

But there is a lot of unpredictability involved and if even one step is out of sync—if the device is overtasked, the network spotty, the browser old or unexpected—the performance can suffer dramatically. Welcome to the long-tail of performance, where the real world happens.

In this talk, we’ll discuss what happens when the web bumps up against this less-than-ideal day to day reality. We’ll zero in on these ‘long-tail’ issues and explore how to ensure your sites perform well even when things go wrong. And as we address these issues, we’ll end up making our sites more performant for everyone in the process.


Closing Remarks

17:00 – 21:45


We’re social!

Post-conference Social

Full information about our post-conference social coming soon!


We’ve put together a handy map of places of interest in Leeds. This contains some of our favourite places as well as important locations and transportation.

Friends of Hey!

We would highly recommend you pay the following bars, restaurants and coffee shops a visit whilst you're visiting Leeds:

  • North Star Coffee Shop
  • Laynes
  • Kapow
  • Mrs Athas
  • La Bottega Milanese
  • Caravanserai
  • Whitelocks
  • Manjits Kitchen
  • Bluebird Bakery
  • Friends of Ham
  • Ox Club



Depending on where you’re travelling from, the quickest way to get to the venue is a train into Leeds city centre. From there it’s just a 5 minute walk to Trinity Leeds, where you’ll find the Everyman cinema on the second floor up the escalators.


The nearest bus stops to the venue are on Boar Lane. There are frequent buses to the following stops:


A taxi from a Leeds suburb will cost you anything from £6 – £20. White taxis will cost slightly more. Amber Cars are a well known and respected Leeds taxi company, however you will need to pre-book. You can easily get an Uber to the venue from most parts of Leeds.


Whilst it might be more convenient to drive to the venue, the cost of all day parking may outweigh that convenience. The nearest car parks can be found on Swinegate and Butts Ct. CitiPark Leeds Dock is further away but may be cheaper than the more central options.


If you’re looking to stay the evening of the conference, we’d recommend the following nearby places:

Code of Conduct

All Day Hey! is a gathering of individuals who share a focus on front-end development and the various fields with which it intersects. All Day Hey! is an inclusive, cooperative environment where all practitioners and interested non-practitioners are welcomed, open dialogue is encouraged, and all perspectives are appreciated.

We expect cooperation from all participants to ensure a safe environment for everybody. Our conference is dedicated to providing a harassment-free conference experience for everyone, regardless of gender, gender identity and expression, age, sexual orientation, disability, physical appearance, body size, race, ethnicity, religion.

We do not tolerate harassment of conference participants in any form in any conference venue, including talks, workshops, social events, or other channels of communication.

A conference participant who violates these rules will be asked to stop. Should the participant not comply, the participant may be expelled from the conference without a refund. The conference organizers reserve the right to expel anyone who violates these rules.

If you need help at any point during the conference, please reach out directly and immediately to the conference co-chairs Josh Nesbitt and Harry Roberts. You can also reach out to any Everyman Cinema staff member at the conference. We all can also be reached via email. All information will be kept confidential unless we determine that disclosure with appropriate third parties (including but not limited to law enforcement, Everyman Cinema, etc.) is necessary. We will discuss your options with you before we take any step unless your security or that of other attendees is at risk.