Talks
31.07.2019
Bild-Formate, Web-Performance und Kognition
at WWNRW – Düsseldorf
Slides →
16.05.2019
Image Formats, Performance and Cognitive Load
at DevDays Europe 2019 – Vilnius
Slides → and Video [37:00] →
★★★★★ [4.5]
24.01.2019
Three Tales From Hotel Web Performance
at Webworker Ruhr – Essen
19.06.2018
25% Faster Hotel Search. Web Performance? – trivago.
at Expedia Conf 2018 – London
Slides →
13.06.2018
Fake It ‘Til You Make It – Prerendering Image Contents For Fun & Profit
at WebEngDUS + WWNRW Meetup – Düsseldorf
Slides →
10.-11.05.2018
25% Faster Hotel Search. Web Performance? – trivago.
at DeltaV Conference 2018 – London
Slides → and Video [31:00] →
12.04.2018
Web Performance Webinar
at DeltaV Conference 2018 – London
Video [45:00] →
20.03.2018
Web Performance: monitoring, optimizing & creating a performance culture
at Akamai Tech Day 2018 – Amsterdam
04.-07.04.2017
Keynote Images And Akamai,
three sessions on Investigating Web Performance Data
and one Image Optimization Deep-Dive
at Akamai University – Krakow
07.-08.11.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at HighLoad++ 2016 – Moscow
Slides → and Video [53:00] →
17.-21.10.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
and PWAs + Akamai = BFFs 4ever
at Akamai Edge Conference 2016 – San Francisco
Slides → and Video [41:00] →
22.09.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at WWRuhr – Essen
Slides →
21.-23.06.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at Velocity Conference 2016 – Santa Clara
Slides → and Video [81:00] →
★★★★★ [4.5]
09.06.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at DevTalks 2016 – Bucharest
Slides → and Video [23:00] →
13.05.2016
The Web Experience
at Akamai Tech Day – Munich
09.-10.05.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at beyondtellerrand 2016 – Düsseldorf
Slides → and Video [34:00] →
01.04.2016
Your Hero Images Need You! Save the Day with HTTP2 Image Loading
at Fronteers Spring
Slides → and Video [21:00] →
28.01.2016
High Performance Images
at Cologne Web Performance Meetup
Slides →
23.11.2015
High Performance Images
at Internetdagarna 2015 – Stockholm
Slides → and Video [50:00] →
02.11.2015
High Performance Images
at Paris Performance User Group
Slides → and Video [63:00] →
31.10.2015
High Performance Images
at WebPerfDays Amsterdam 2015
Slides →
27.10.2015
High Performance Images
at Berlin Web Performance Meetup
Slides →
28.08.2015
High Performance Images
at Front In Amsterdam 2015
Slides →
22.08.2015
The JPEG is dead! Long live the JPEG!
at FrOSCon 2015
Slides → and Video [52:00] →
★★★★★ [4.6]
22.04.2015
High Performance Images
at IndustryConf 2015 Newcastle
Slides → and Video [26:00] →
26.03.2015
The Psychology Of Speed
at Akamai Tech Day – Stockholm
Slides →
25.03.2015
High Performance Images
at WebPerf Meetup – Stockholm
24.03.2015
Responsive Webdesign Best Practices
at Webbdagarna 2015 – Stockholm
12.03.2015
Responsive Webdesign Best Practices
at Akamai RWD Workshop – Munich
05.02.2015
The Psychology Of Speed
at Akamai Conference
Slides →
20.11.2014
High Performance JPEGs, PNGs and SVG
at WebPerfDays – Barcelona
Slides →
19.11.2014
Advanced Image Compression Techniques and O’Reilly Office Hours
at Velocity Conference 2014 – Barcelona
Slides → and Videos [77:00] →
★★★★★ [4.6]
11.10.2014
Image Optimization & Compression
at WebPerfDays – Amsterdam
Slides →
01.07.2014
Advanced Image Compression Techniques
at EnterJS Conf – Cologne
Slides →
24.06.2014
Advanced Image Compression Techniques and O’Reilly Office Hours
at Velocity Conference 2014 – Santa Clara, California
Slides → and Video [82:00] →
24.04.2014
Web Performance Engineers – Hunt for the Mythical Beast
at FrontEndOps Conf – San Francisco, California
Slides → and Video [24:00] →
01.04.2014
Measuring Mobile Web Performance
at Responsive Webdesign Summit
Slides →
20.03.2014
Mobile Web Performance Testing and Expert Panel Discussion
at Mobile Tech Conference – Munich
Slides →
16.02.2014
Rendering Performance, Phantomas, HTTP Archive & Performance Budgets
at Working Draft Podcast
13.11.2013
Hands-on Web Performance Optimization Workshop
at Velocity EU 2013 with Andy Davies
Slides →
25.10.2013
Mobile Performance Patterns
at border: none 2013
Slides →
24.10.2013
Web Performance Optimization & User Experience Design
at UX Day 2013
Slides →
26.09.2013
Web Performance Optimization
at WWRuhr
Slides →
29.08.2013
Meet4Speed
at Coworking Night with Christian Schäfer & Manuel Meinhard
24.08.2013 – 25.08.2013
Web Performance Optimization Automation
at FrOSCon – Free and Open Source Software Conference
Slides →
27.05.2013 – 28.05.2013
Advanced Image Optimization with Adept
at beyond tellerrand conference – Developer Garden Stage
18.05.2013
WebPerf & Image Optimization
at WebPerfDays Amsterdam
Slides →
13.05.2013 – 14.05.2013
Automating Web Performance Optimization
at Atmosphere Conference
Slides → and Video [45:00] →
17.04.2013
Web Performance Workshop
at STARTPLATZ
16.04.2013
Image Optimization Methodology
at Responsive Web Design Summit 2013
Slides →
14.02.2013
Web Performance Optimization is User Experience Design
at WWNRW
Slides →
26.05.2012
CSS Selector Performance
at CGNWebPerf
Slides →
26.01.2012
Image Optimizations for Web Performance
at CGNWebPerf
Slides →
19.04.2010
Web Performance Optimization Primer
at Gesellschaft für Informatik – Universität Münster
Slides →
24.09.2009
High Performance Websites
at Chaos Computer Club Cologne – Open Chaos
Slides →