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images, performance trivago TO B I A S B A L DAU F 
 TO B I A S . B A L DAU F @ T R I VAG O. CO M @ T B A L DAU F 
 S L I D O. CO M # D E V DAY S 2 0 1 9 and cognitive load

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getting us here

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Sourcing Optimization Storage Render Delivery

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deliver render optimize

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Sourcing Render Optimization Delivery Storage

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dssim

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lesson #1.

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lesson #2.

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lesson #3.

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Render Optimization Sourcing Storage Delivery

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lesson #4.

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lesson #5.

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lesson #6.

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Optimization Delivery Sourcing Storage Render

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lesson #7.

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lesson #8.

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lesson #9.

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lesson #10.

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https://calendar.perfplanet.com/2018/dont-use-jpeg-xr-on-the-web/

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lesson #11.

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Courtesy of Colin Bendell, Cloudinary

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https://cloudinary.com/blog/progressive_jpegs_and_green_martians

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https://blog.cloudflare.com/parallel-streaming-of-progressive-images/

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lesson #12.

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https://github.com/axe312ger/sqip

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https://blog.cloudflare.com/parallel-streaming-of-progressive-images/

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takeaways

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deliver render optimize

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show the right stuff fast & beautifully

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https://tech.trivago.com/

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https://jobs.trivago.com/

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thank you! TO B I A S B A L DAU F 
 TO B I A S . B A L DAU F @ T R I VAG O. CO M @ T B A L DAU F 
 S L I D O. CO M # D E V DAY S 2 0 1 9 S P E A K E R D E C K . CO M / T B A L DAU F 


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links DSSIM: https://github.com/kornelski/dssim mozjpeg: https://github.com/mozilla/mozjpeg SSIMULACRA: https://github.com/cloudinary/ssimulacra
 cjpeg-dssim: https://github.com/technopagan/cjpeg-dssim/
 H2 opJPEGs: https://calendar.perfplanet.com/2016/even-faster-images-using-http2-and-progressive-jpegs/
 pJPEG Streaming: https://blog.cloudflare.com/parallel-streaming-of-progressive-images/
 Bad JPEG-XR: https://calendar.perfplanet.com/2018/dont-use-jpeg-xr-on-the-web/
 Saliency Mapper: https://github.com/technopagan/mss-saliency
 Cloudinary: https://cloudinary.com/documentation SQIP: https://github.com/axe312ger/sqip