Vampire pic “Daybreaker’s” bite was deadly enough to claim the No. 1 spot on this week’s Visible Measures online film trailer chart.In its post-release week, Lionsgate actioner finished with over 1 million views, but only increased a modest 5% — well below the average post-release bump most films receive. Disney’s “Alice in Wonderland” is one to watch as the Johnny Depp starrer debuted at a solid No. 2 on the chart. Adventure pic generated over 873,000 views with seven weeks until release. “Alice” pushed Sony’s “Legion” down a slot as the action pic picked up 35% more views for a total of over 700,000 with one week until release. Dimension’s “Youth in Revolt” had a healthy post-release increase of 112% to jump three places into fourth for a final tally of over 537,000 views. Three weeks from release, Sony romancer “Dear John” moved up one spot with a 77% increase for over 468,000 views Warners’ “Book of Eli” may be lacking buzz going into this weekend’s theatrical release as views increased only 3% for a total of just under 349,000. Fox 2000′s “Percy Jackson & the Olympians: The Lightning Thief” posted an un-Olympic performance as the trailer experienced the largest decrease of 27% for a total of over 326,000 with four weeks until release. Universal’s “The Wolfman” also declined this week, dropping 5% to fall from fifth to eighth for over 309,000 views with four weeks until release. U’s “Leap Year” leaped one spot to ninth place in its post-release week. Comedy increased 77% for a final tally of over 221,000 views. Lionsgate’s Jackie Chan starrer “The Spy Next Door” made its debut on the chart at No. 10 with over 142,000 views. Click here for the full chart Data is provided by Visible Measures, an independent third-party measurement firm for internet video publishers, advertisers, and viral marketers. A joint project with Visible Measures and Variety, this chart of the top 10 online film trailers shows the week’s top-performing online video trailers with a focus on films that are within 10 weeks of general release. For more about how to interpret these results as well as additional background on the data collection methodology, please visit Visible Measures.