comment spam

The speed of your website is critical. According to one report for every second that a page takes to load, wave goodbye to 7% of sales and who can afford that? Visa Europe estimating £450m will be spent on Cyber Monday alone.

There's all sorts of clever tech solutions: cloud-based servers, cacheing, content delivery networks to name but a few. Surely good old-fashioned comments don't represent a website glue trap?