! Removed swipe
! Trialled at the bottom of the homepage
! Then rolled out to the bottom of every page
! Native Content
! Native Display Units
Timeline “A stream of news”
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! Time based stream
! Picture size based on currently
popularity
! Native content clearly marked
! Native display units for CPA and
CPM based advertising
! Consistency across all platforms
Timeline Design
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! Scrolls
Timeline Statistics
! Clicks
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(Views + ((Social Interactions) * 10))
* Time Since Publish Coefficient
! Highest clicks on the top of every stream
! Popular content at the top of each stream
! Gives fresh content a chance
! Penalises popular content after a period
! Four hours about the half life of a story
Newsfeed “Algorithmic stream of news”
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Stream based iterations / DAU
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
Timeline
New Style
Newsfeed
Infinite
Scrolls/DAU
Clicks/DAU
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! Based on actions per daily active user (DAU)
! Timeline -> Newsfeed clicks increased 9%
! Allowed us to take over the homepage
! Content density A/B test increased clicks 20%
! Infinite scroll increased clicks 20%
! Native Display -> 10x click through vs sidebar MPU
! Native content traffic drivers on every page
NewsFeed Statistics
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! Content volume is key to ensure freshness
! Cut the data at the highest level for cache-ability
! Speed of lazy load essential
! Publishing times can affect clustering
! MySQL is simple but limited
! Common understanding helps iterating
Lessons learned
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! Cache the first page of it using
wpcom_vip_file_get_contents
! Copy the public API format to be able to change
between sources quickly
! Large options allows you to store data in it
! Post meta can also store information
! CHEEZETEST is great but can add complication
15
WordPress Lessons
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! Micro services architecture
» Data mining
» Newsfeed
» Commercial feed
! Backbone used for templates
! Cloud front for caching
API / Frontend
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! Just top 10 stories on the site at any time
! Gives you more of what you read most
! 600 installs, 120 DAUs, 2 sessions a day, 13 screens/session
! Wouldn't have been possible without the API
Metro10 – Android App
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http://blog.david-jensen.com
@elgrom
Thanks for listening