From April 5th, 2021 to December 2nd, 2022, 50% user give 5-star rating, 50% user give 3-star rating. for Search Laboratory Regional SERP Selector chrome extension.
this just seems to be a launcher for new windows with the url parameters set. it doesnt seem to apply the paramters to google search tabs by default. meaning this desnt set the geolocation for google search from that point on, it seems to be a manual launcher no better than a bookmark?
Simple and easy to use. No private data collected, no slowing down your browser.