Below are five atheist websites that lost global market share in 2018 according to the web traffic tracking company Alexa.
Secular Web website
As can be seen HERE, the Secular Web website has seen a significant drop in global market share according to the web traffic tracking company Alexa. Below is the graph appearing on Alexa's website showing the loss of global market share.

Sam Harris' website
As can be seen HERE, the Sam Harris' website has seen a significant drop in global market share according to the web traffic tracking company Alexa. Below is the graph appearing on Alexa's website showing the loss of global market share.
Richard Dawkins' website
As can be seen HERE, the Richard Dawkins' website has seen a drop in global market share according to the web traffic tracking company Alexa. Below is the graph appearing on Alexa's website showing the loss of global market share.
Atheist Republic
As can be seen HERE, the Atheist Republic website has seen a drop in global market share according to the web traffic tracking company Alexa. Below is the graph appearing on Alexa's website showing the loss of global market share.
The Orbit
As can be seen HERE, the The Orbit website (atheist bloggers) has seen a drop in global market share according to the web traffic tracking company Alexa. Below is the graph appearing on Alexa's website showing the loss of global market share.
Video: New Atheism...old news on internet Atheism's fast decline