Who is Semalt.com? What are they doing here?
A few friends with wordpress pages have asked about this company lately. You might have seen something like this on your jetpack stats
I keep running in to the theme of SEO and brand management companies this week. I suspect they are part of one or a tool used by one. Overall I’m not worried until I see that they are gaming my site somehow. If you find the traffic from this company disconcerting, you might have bigger fish to fry. There are thousands of hits per day on your server trying to break in to your wordpress site. If you want to see those logs without learning apache or OSSEC, install something like WPsecurity and learn to read the logs. Or BPS security. If you are going to start tinkering with these tools for the first time, PLEASE make sure you know how to do a backup and restore of your page first.
I posted in the comments over on an archaeologist’s blog http://jmmcdowell.com/2013/11/09/who-the-heck-is/#comment-13475 hopefully I make it past her spam filter so I can see what I wrote. More detail there.
Additionally, I ran a few scans, no malware detected from the site, it actually has a clean rep. They are not listed on spamhaus, here is the link for Cisco’s reputation check – http://www.senderbase.org/lookup/?search_string=semalt.com
URLvoid.com – http://www.urlvoid.com/scan/semalt.com/ nothing to see there with any of the major blacklists. These people are a tiny blip. No google rank to speak of.