URL Shorteners - The Main Consideration: I always wondered if URL shorteners were good or bad for backlinking. The main consideration is whether the URL shortener uses a 301 (perm) redirect or a 302 (temp) redirect. A 301 is "good" and a 302 is "bad" for SEs. Other Factors To Consider: But there are other factors to consider, such as tracking, Twitter client support, option to have vanity (custom) URLs (i.e. tinyurl.com/f53Ge6x or tinyurl.com/myproduct), and other things. I just found this article to be interesting and informative -- especially if you use shorteners on a regular basis for Twitter, e-mail campaigns, or whatever reason -- so I thought I'd share. The link includes a chart that I'll post below, comparing the shorteners out at the time he wrote this article: searchengineland.com/analysis-which-url-shortening-service-should-you-use-17204. And a good site if you want to see what an http requests returns to your browser, here's a handy tool I found in the article: www.rexswain.com/httpview.html -- it works well! In dummy terms, when you view this chart, "green" is good. I Hope those who care can glean some good information from this!
Very good points and research on URL shortner. All the URL shortner websites are covered so thanks for sharing this informative chart.