If you want to put your video files online using HTML5 then it's recommended to have three different formats for a full browser support. Those formats are mp4, ogv and webm.
As your most probably noticed, Pinterest is the newest social media craze, generating more traffic to other websites then LinkedIn, YouTube and Google+ combined!
Sometimes it takes time for Google to crawl and index your website pages but until then they won't appear in the Google search results. But there's a way to speed up the indexing process.
If you are looking for a certain words on website, bur there's too much text to find it in a reasonable time, you can use a handy find function built in Google Chrome browser.
