Onpage SEO is more of the things you can control such as making sure you have: • Unique title tags for all pages • Headings in H1 / H2 Tags (preferably styled) • Unique Content • Good linking structure on your site • A sitemap page on your site • The Same version of URLs that point to the same page, i.e. yoursite.com and yoursite.com/index.html OffPage SEO is getting backlinks to your site, one big thing in Search Engine Rankings. There are many ways to get backlinks such as: • Directory / Article Submissions • Commenting on Blogs • Forum Signatures • Squidoo / Hub Pages Content • Releasing free tools or website templates • Doing something that gets people talking and linking (Linkbait)
In short on page optimization is what you do in the site and off page is that you do outside the site!!!! thats it!
Can u explain what does u ask? This is some information about on page optimization and off page optimization- "On Page" SEO simply refers to the text and content on your web site pages. Basically editing your page and content so the Search Engine can find your webpage when a surfer is searching for your web sites particular topic. "Off Page" SEO refers to the text and "inbound" linking from OTHER web site pages to your web site pages.