Search engine crawlers catering to other regions don’t benefit my target audience. Search engine optimization (SEO) bots don’t benefit my target audience. Countries where English as a second language is less than 10 percent aren’t included in my target audience.
My primary audience is the United States. I will obviously avoid blocking Google, Bing (including the MSN bot) and Yahoo! Which ones will I block? Here’s a short list:
I don’t like blocking entire countries, not even China. I’ll only do it if it seems like I don’t have a choice. I used to block the Baiduspider along with some other Chinese search engine bots and that took care of most of the Chinese traffic.
With China, however, I have to block certain IP address ranges being used by one bot or another cloaked as web browser user agents. Here’s another short list:
There are other Chinese search engines but I haven’t seen the bots for them in more than a year.
If I allow any SEO bot, I’m giving away my secrets. Paid optimizers will know what terms to target to rank higher than me for anything I write about. I don’t use SEO services at all. Here’s a short list of those I’ll block:
There are hundreds, perhaps thousands, of bots that seem to have confusing purposes. Some are research bots, some are archiving bots and some seem to have no purpose at all.
I will block any bot that identifies itself as a bot but doesn’t have a web page in the user agent string. How am I supposed to know the purpose without it?
Some bots are advertising agencies. When I no longer need to use any advertising on my site (when I no longer want to make money from it), I’ll block them too.
I have to block these two Russian bots:
I don’t know what they’re used for. I plan to start blocking them along with all the others I listed tomorrow.
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