New data compiled by the World Socialist Web Site, with the assistance of other Internet-based news outlets and search technology experts, proves that a massive loss of readership observed by socialist, anti-war and progressive web sites over the past three months has been caused by a cumulative 45 percent decrease in traffic from Google searches.

The drop followed the implementation of changes in Google’s search evaluation protocols. In a statement issued on April 25, Ben Gomes, the company’s vice president for engineering, stated that Google’s update of its search engine would block access to “offensive” sites, while working to surface more “authoritative content.”

The World Socialist Web Site has obtained statistical data from SEMrush estimating the decline of traffic generated by Google searches for 13 sites with substantial readerships. The results are as follows:

• wsws.org fell by 67 percent
• alternet.org fell by 63 percent
• globalresearch.ca fell by 62 percent
• consortiumnews.com fell by 47 percent
• socialistworker.org fell by 47 percent
• mediamatters.org fell by 42 percent
• commondreams.org fell by 37 percent
• internationalviewpoint.org fell by 36 percent
• democracynow.org fell by 36 percent
• wikileaks.org fell by 30 percent
• truth-out.org fell by 25 percent
• counterpunch.org fell by 21 percent
• theintercept.com fell by 19 percent