I just tried using google to search for sites I see in ooh.directory, and it's very hard to get them to surface. I can take exact specific phrases from them, like "Scaling a Digital Panel Voltmeter" and without quotes neither Google nor Bing will find the site, and with quotes, only Bing finds the site: (https://zzncx.top/posts/scaling-a-digital-panel-voltmeter/)

Personal blogs with real information just can't be found anymore.