Michael Martinez posted a great article on how the wrong ISP can create negative effects on your SEO efforts. I thought the key points were worth relaying:
The ISP Blocks Web Crawlers At Their Router
In an effort to minimize load on their servers some ISP's can actually block the web crawlers that help the search engines understand what your site is about. If your ISP is doing this your site won't rank well on the search engines.
The ISP Puts You On A Crowded Server
It's a proven fact that Google and the other major search engines use site speed to help determine rankings. If your on a slow server with lots of other sites your rankings can and will suffer.
Your Hosting ISP Won’t Create Backups For You
Rolling back a major Website update that breaks your search optimization strategy is a major operation and you need to make sure you control the backups.
Read the full article here
The ISP Blocks Web Crawlers At Their Router
In an effort to minimize load on their servers some ISP's can actually block the web crawlers that help the search engines understand what your site is about. If your ISP is doing this your site won't rank well on the search engines.
The ISP Puts You On A Crowded Server
It's a proven fact that Google and the other major search engines use site speed to help determine rankings. If your on a slow server with lots of other sites your rankings can and will suffer.
Your Hosting ISP Won’t Create Backups For You
Rolling back a major Website update that breaks your search optimization strategy is a major operation and you need to make sure you control the backups.
Read the full article here