tree dae4258990fb3e1244845181d4f10a5810f301cf
parent 9c2021c7bac101af30dfc5ebfea003f1f80de05e
author Wei-Yin Chen (陳威尹) <wychen@chromium.org> 1491871958 -0700
committer Wei-Yin Chen (陳威尹) <wychen@chromium.org> 1491871962 -0700

Handle image lazy loading on Wikipedia

Hopefully Wikipedia will use <img> instead of <span> as placeholder.

Score changes (as of @150267738):

https://x20web.corp.google.com/~wychen/domdistillerscore/wiki-lazy/top-mobile-mhtml.html
  3 image entries changed (all wikipedia pages):
   Precision remains 1.0
   Recall 0.077 → 0.538
   F1     0.143 → 0.700

Performance changes:
  distillable-desktop-mhtml is 3.5% slower.

BUG=647667
R=mdjones@chromium.org

Review-Url: https://codereview.chromium.org/2729143003 .