Simon Hearne bio photo

Simon Hearne

Web Performance Consultant at NCC Group

Email Twitter LinkedIn Github

Recent Posts

 feature image

How to Optimise CSS Image Sprites

Optimising sprites might be more important than you think, and easier than you expect!

 feature image

Three WebPerf Takeaways from Velocity Europe

Velocity Amsterdam has just come to a close. Here are the three key things that I am taking away from the two days of sessions.

 feature image

Velocity NY 2016 - Wrap-up

Velocity New York seems like a distant memory now, especially with Velocity Europe around the corner. With that said, I have copious notes from the two day conference which I have summarised here. There were a lot of nuggets of wisdom which I’ll try to organise into a logical order.

Blocking requests in webpagetest? Don't use Chrome.

We know that third-party content can harm the user experience on a website. Measuring that impact can be tricky.

 feature image

How fast is fast enough?

Do you know when your website’s speed starts to impact your customers’ behaviour?

 feature image

Getting Reliable Visual Performance Metrics

Visual metrics such as Speed Index, render start and visual complete are the best proxies we have for user experience. Unfortunately two of these are totally thrown by rotating carousels, popups, cookie banners and adverts.

 feature image

Render Conf 2016 - Day 1

Render Conference - previously known as jQuery UK - was held in Oxford last week. It’s a front-end conference for front-end people, which makes me a bit of an outsider. Performance is not the focus of Render Conference.

 feature image

Prioritising Site Speed Recommendations

Sometimes prioritising recommendations is more important than making them.

 feature image

Velocity Europe 2015 - The Good Ones!

This post is a review and summary of the talks at Velocity Europe that I attended. I’ve summarised each talk and given links to the slides, videos and ratings.

 feature image

Velocity Europe 2015 - My Allstars

This post is a review and summary of the talks at Velocity Europe that got a 5 star review from me. I’ve summarised each talk and given links to the slides, videos and ratings.