- I – Com Blog – Searched, designed and developed. That about sums up this Manchester based internet marketing agency blog that covers design, development, copywriting and search marketing.
- Ignite Social Media – Ignite is a social media consultancy with the company web site running as a blog. Topics logically emphasize social media with some optimization flavorings. More information on the post authors and a fix to the 404 on the job openings page would be nice.
- IncrediBILL’s Random Rants – Bill Atchison on, “Stopping scrapers and spammers and a whole lot more”.
- Industrial Search Engine Marketing Blog – Minnesota based Ecreativeworks blogs about search engine marketing from a B2B, industrial and manufacturing perspective.
- Influential Interactive Marketing – Rohit Bhargava, VP Interactive Marketing for Ogilvy Public Relations on marketing online.
- Inside AdSense – Official blog for Google AdSense.
- Inside AdWords – Official blog for Google AdWords.
- Inside the Marketers Studio – David Berkowitz’s blog on internet marketing.
- Internet Marketing Blog – Chris Garrett of Performancing fame.
- Internet News – A general internet marketing and search news blog by Gwen Harris.
- IR Thoughts – Dr E. Garcia offers an array of posts covering news, papers, and theses on information retrieval, data mining, and search engine technology with a penchant for dispelling myths about Latent Semantic Indexing promoted by sinister SEOs.


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