The Yahoo Search Blog has some webmaster tips out today: Yahoo! Search Tips for Webmasters: Saving Bandwidth. Gzip your files, and they'll unzip and save you bandwidth when crawling. Respond with the right HTTP code, and it will only download pages if there's been a change to them. Getting slammed by the Slurp crawler? Make it sip rather than slurp through the crawl-delay mechanism.
Optimising Digital Marketing Campaigns with Search, Social and Analytics
At SES London (9-11 Feb) you'll get an overview of the latest tools, tips, and tactics in Paid, Owned, Earned, Integrated Media and Business Intelligence to streamline your marketing campaigns in 2015. Register by 31 October to take advantage of Early Bird Rates.