InMobi has reported that impressions on its mobile ad network increased by 12% in Q1 compared to Q4 2011, up to 9.5bn in total. Apple’s iOS maintained its dominance over Android and RIM OS with a 45.7% share of available impressions, though this was actually down 2.7% on last quarter. Android now accounts for 26.1%...Read More

Webmaster Level: All (Cross-posted on the Inside Search Blog) With the latest improvements to the way authorship annotations look in search and the addition of authorship to Google News, authors have been really excited about getting more visibility, and users benefit from seeing the name, photo, and way to connect with the person who created...Read More

Two weeks ago, we shared a brief introduction to the basics of eCPM (aka, RPM), including how it’s calculated and what factors impact it. In the Part 1 video, AdSense optimization specialist Matthew Carpenter-Arevalo discusses key variables you can use to better understand eCPM performance, including CTR (clickthrough rate) and CPC (cost per click). Today,...Read More

“What is eCPM? What affects my eCPM? What can I do to earn a higher eCPM?” Effective cost per thousand impressions (eCPM) is the amount of revenue you can expect to earn from AdSense for every 1000 impressions shown on your site. Since eCPM helps you measure how well your ads are performing, we often...Read More

Webmaster level: All Last year we relaunched an exciting feature in Webmaster Tools: Search Queries, an analysis tool that visualizes your site’s presence in our search results. It has two main parts: an interactive graph, and a table containing detailed data related to queries for which your site appears in our search results. Two of...Read More