blog.luanti.org is the news and blog arm of the Luanti open-source voxel game project, hosted on GitHub Pages. That's a normal, low-risk setup: static content, no payment forms, and no reason to hand over personal information. You won't find traditional blog.luanti.org reviews because it's not a product or a store; you're reading project updates.
The current GitHub error page is the biggest thing a visitor will see. That's an availability issue, not evidence of a scam. If you're trying to read the latest Luanti news, check the main luanti.org site or the project's official community channels until the blog loads again.
For a non-commercial project blog, the lack of legal pages and contact forms isn't a red flag. What matters is whether this is the real project's site, and the About page, clean threat record, and GitHub hosting all point the right way. Treat this as a temporary outage and reload later before making a final call.