Simon Hearne
Web Performance Consultant
Experience a cleaner, faster web
AdBlock Plus
Opera will speed you up on the web and make sure ads donβt distract you from what matters
Opera
..control over ads and tracking technologies to speed up page loads
Ghostery
Top Motivations for Using an Ad Blocker:
The BBC loses an additional 10% of users for every additional second it takes to load | |
Pinterest improved load time by 40% and saw 15% increase in SEO traffic and 15% increase in conversions | |
The Financial times increased user engagement by 30% when they released the new, performance focused FT.com |
~1Bn mPulse pageview beacons - early March 2019
The Timing-Allow-Origin response header specifies origins that are allowed to see values [..] which would otherwise be reported as zero due to cross-origin restrictions.
all content loaded from cross-origin IFRAMEs (and below) are completely hidden to ResourceTiming.
Cross-origin IFRAME opting-in to sharing ResourceTiming data
Ad Block detection on one national publisher,
with a narrow demographic.
Β―\_(γ)_/Β―
8.98% pageviews with ads blocked (n=50M)
Metric | With Ads | Without Ads | Difference |
---|---|---|---|
Page Load Time (ms) | 6,130 | 4,600 | -25% |
Time to Interactive (ms) | 5,480 | 4,260 | -22% |
LongTasks Time (ms) | 1,270 | 241 | -81% |
First Input Delay (ms) | 86 | 8 | -93% |
Page Size (MB) | 2.69 | 1.99 | -26% |
Bounce Rate | 68.8% | 67.0% | -2% |
Time on Site (s) | 410 | 708 | +72% |
Session Length (pages) | 2.80 | 4.41 | +58% |
JavaScript Errors per Page | 1.92 | 0.18 | -91% |
simonhearne.com/presentations/ad-block-perf/