Is there something going on ?
Mumsnet was down until midday today.
Apparently ....
Large chunks of the intertubes, including popular programmers' hangout Stack Overflow, were blanked from view earlier this afternoon after a hiccup at cloud hosting and DDoS mitigation outfit Cloudflare. The outage, which lasted for about quarter of an hour, sent surfers' browsers fruitlessly spinning into the abyss following …
I've not used it yet myself but Cloudflare looks pretty nice. Not surprising to see it nearly trebling in size* in the last year
* in terms of the number of the Top 500,000 websites according to Alexa.