Yes, it's not as widely implemented as I expected. Adoption seems to drop quickly. Roughly 20% for the top 10 websites, 15% for the top 100 and about 10% for th

Yes, it's not as widely implemented as I expected. Adoption seems to drop quickly. Roughly 20% for the top 10 websites, 15% for the top 100 and about 10% for the top 1,000. It's downhill from there.