Web Analytics Referral Spam
WHOIS for dailyseo.xyz indicates Chinese domain registration.

Google Analytics Referral Spam from dailyseo.xyz

On Sunday, December 23, 2018, dailyseo.xyz appeared in my Google Analytics referral list with a references from /beginner-s-guide-to-blogging-and-making-money-online/6513768/ to my root page. My root page is not a page that would ever be referenced in an article on search engine optimization, so this is either Google Analytics referral spam, or a negative SEO attack. whois dailyseo.xyz shows registration on December 14, 2018 at a Chinese domain registrar, which is unusual for referral spam attacks, as most originate from Eastern Europe. whois dailyseo.xyz also indicates that the domain is registered to Lin ShaoYuan, who is the same domain owner as the referral spam generated by 99-reasons-for-seo.com.

curl -L dailyseo.xyz shows what may be a Wordpress site with a home page written by someone with minimal English language skills.

curl -L dailyseo.xyz/beginner-s-guide-to-blogging-and-making-money-online/6513768/ shows only Javascript with a redirect to https://www.xtrafficplus.com/, which was created on February 22, 2018 with private registration at GoDaddy. Since there are no headers, it appears that the article /beginner-s-guide-to-blogging-and-making-money-online/6513768/ may not be indexable from the root of the site and might be a “dark web” page.

curl -L https://www.xtrafficplus.com/ shows a site that claims to publish your articles to a large number of sites and somehow drive search traffic to your site. It actually sounds more like a negative SEO attack website more than anything else.

Figure 1. Google Trends for search terms “referral spam”.
Figure 2. Google Trends for search terms “dailyseo.xyz”. in last year.
Figure 3. Google Trends for search terms “dailyseo.xyz”. in last seven days.
Figure 4. Google Trends for search terms “xtrafficplus.com”. in last seven days.

Fixing the Problem

My first reaction in addressing referral spam was to add a line to .htaccess to block these spam referrals (see http://www.htaccess-guide.com/deny-visitors-by-referrer/ for a description of how to do this) but with more research, it turns out these referrals weren’t referrals to my site at all, but were insertions of fake referrals into my Google Analytics reports. As was the case with darodar.com, the clear intent is to cause webmasters to go to an unfamiliar site when they see a reference in their Google Analytics reports. Whether the motivation is to generate traffic to their site or to cause webmasters to visit a site that will download malware is unknown.

Based upon the instructions in Removing Referral Spam from Google Analytics, I checked the hostname on the referrals, and all showed “(not set)”–a clear sign that no one ever touched my site and that these were inserted into Google Analytics to get me to click social-buttons.com to generate traffic or download malware onto my computer.

Removing Referral Spam from Google Analytics provides a good description of the problem and some solutions. Understanding and eliminating referrer spam in Google Analytics gives another good description of referral spam and a programmatic solution that is appropriate for plug-in developers but not for administrators of WordPress, Joomla and other content management system (CMS) based sites.

An alternative is to switch to self-hosted Piwik for your web analytics; if you do this, it will be immediately clear that the vast majority of Google Analytics referral spam is of the spoofed variety rather than the crawler variety. Piwik does not have the advertising integration nor does it have the demographic information, but for many small-traffic sites it can provide much more information. See Using Piwik as an Alternative to Google Analytics on this web site for more information on why Piwik might work for you and how to implement it.

Useful Commands and Web Sites for Investigating Referrers

For investigating a referrer, here are some useful commands and web sites:

  • TCPIPutils is a great site for looking up data on an domain or IP address
  • For domain registrations, the command line whois social-buttons.com is very convenient as is https://www.whois.net/
  • For IP lookups, dig social-buttons.com is convenient, as is http://ip-lookup.net/index.php
  • Better Business Bureau
  • To view a site in character mode so that malware doesn’t get downloaded, use curl and curl -L. These are commonly installed on Linux machines, but will require additional software on Windows and OS X, as discussed below.
  • To look up a lot of information on an IP address in one place http://www.tcpiputils.com/browse/ip-address will give you a lot of information quickly.

Command Line Utilities

To use the whois, dig and curl commands on Windows and OS X, you will need to install additional software:

  • On Windows, install Cygwin and add the curl package.
  • On OS X, install MacPorts and add the curl package.

Cygwin and MacPorts have many additional command line and graphical utilities that make life easier in Windows and OS X.

More Information

For more information on referral spam, see

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