Reading/Web/Lazy loading of images and references on Tagalog Wikipedia

Tagalog Wikipedia, a small sized wiki used in 2G prevalent areas, was the first wiki to have both lazy loaded references and images enabled. It was deployed on 5th July 2016.

Week 1

Fully loaded

Early data (from our small subset of users)

Conditions	Sample size	95th percentile	median
Before change	1189	36195.2	5640.0
Post change (all)	614	34308.3	5636.0
Post change (lazy loaded)	556	34280.5	5575.5

First paint

Conditions	Sample size	95th percentile	median
Before change	606	14692.75	2173.0
Post change (all)	317	13200.8	2068.0
Post change (lazy loaded)	280	11644.65	2054.5

DomInteractive

Conditions	Sample size	95th percentile	median
Before change	1189	13147.6	2326.0
Post change (all)	614	16084.0	2417.0
Post change (lazy loaded)	556	15895.5	2400.5