The nature of the url being "projectobs" instead of "obsproject" is concerning, and while there appears to be no download links hosted on the site, just redirects to GitHub's downloads, this looks concerningly like one of those SEO spam pages. Further research shows that it likely isn't the case at the moment, just a means to slap ads onto the official wiki docs: https://github.com/obsproject/obs-studio/issues/2565. Still concerning none-the-less.