Dealing with Third Parties with Karolina Szczur

Chasing Waterfalls

You can do all the work to make your own code as fast as possible, but a few ill-performing third-party scripts can still bring your site to a crawl. In this episode, Karolina Szczur talks all about third-parties: how big of an issue they really how, how to identify which ones are the most problematic, and what you can do about it.

So it's not necessarily a binary choice—in some cases, sure. But there are strategies that you can use to mitigate that performance that you just have to be aware of them and you have to start with having that conversation. The responsibility is actually on us, not necessarily on the vendor that's providing the service.

A full transcript is available at: https://chasingwaterfalls.io/episodes/episode-four-with-karolina-szczur/

Links:

• Karolina Szczur on Twitter
• Karolina Szczur's site
• Patrick Hulce on Twitter
• Calibre
• The State of the Web
• Addy Osmani on Twitter
• Third Party Web
• Lighthouse
• Firefox Focus
• How We Improved the Performance of Our Live Chat by 30%
• Netlify
• Heroku
• Google found a 400ms delay resulted in less engagement
• Reducing the Intercom Messenger Bundle Size by 65%
• Harry Roberts' tweet showing a performance waterfall with and without third-parties
• Ben Schwarz on Twitter
• Performance Email Newsletter
• Calibre on Twitter