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Guy Podjarny

Guy Podjarny
Founder and CEO, Snyk

Website | @guypod

Guy Podjarny, or Guypo for short, is a web performance researcher and evangelist, constantly chasing the elusive instant web. Guy is the Chief Technology Officer (CTO) of Akamai’s Web Experience business unit, dealing with everything fast browsing and mobile. Guy was previously the co-founder and CTO of, acquired by Akamai in 2012.

Guy focuses heavily on Mobile Web Performance and Front-End Optimization, is a fan of large scale tests using real world websites, and regularly digs into the guts of mobile browsers. Guy is also the author of Mobitest, a free mobile measurement tool, and contributes to various open source tools


Grand Ballroom E
Tutorial Please note: to attend, your registration must include Tutorials on Tuesday.
Lyza Gardner (Cloud Four), Tammy Everts (SpeedCurve), Guy Podjarny (Snyk), Lara Hogan (Wherewithall)
Average rating: ****.
(4.67, 6 ratings)
Does RWD make mobile performance better or worse? What's the best solution for responsive images? What tools are good for analyzing mobile performance? Will HTTP/2 have more or less impact on mobile web traffic? How do I measure performance in native mobile apps? Come to this panel of mobile performance experts to hear these and other questions answered. Read more.
Mission City Ballroom B1
Guy Podjarny (Snyk)
Average rating: ****.
(4.00, 13 ratings)
Third party components are a part of any modern site: JS libs, analytics, trackers, share buttons, ads. Many components, each adding its performance cost, cause render delays or can effectively take your site down. This isn't your code nor your servers, so what can you do about it? This presentation will answer this question with strategies and tactics for keeping 3rd parties from taking you down. Read more.
Office Hours
Table 3 (Exhibit Hall)
Guy Podjarny (Snyk)
From the performance costs of using third-party components to rules-driven delivery, Guy is here to answer all your questions, especially about RWD performance. Come by and talk about his presentation on “Third Party Performance: Don’t Let Others Get You Down”, and his newly released O’Reilly book, Responsive & Fast. Read more.
Mission City Ballroom
Guy Podjarny (Snyk)
Average rating: ***..
(3.14, 21 ratings)
While URLs were intended to consistently identify a resource location, this simple definition simply doesn’t cut it anymore. Between the complexity of device properties, different browser capabilities, failover needs, and geo-based content changes, we often need the same URL to be handled differently, based on the situation. Read more.