Free ways to improve domain authority (DA)
Briefly

Free ways to improve domain authority (DA)
"I'm looking for advice on free, long-term methods to improve Domain Authority for a content-focused website, without paid backlinks or link schemes. The site I'm working on is here for reference: http://whats-your-iq.com/ It's an informational platform around IQ testing, cognitive skills, and related educational content. The site already has: Original long-form articles Structured internal linking Clean technical setup (Core Web Vitals, mobile-first, indexing)"
"What I'm trying to improve now organically is DA and overall authority. I'd really appreciate insights on: Free backlink sources that have actually worked for you (forums, communities, publications) Whether expert-exchange style answers still provide SEO value today Content formats that naturally attract links in the education / psychology niche Common DA mistakes to avoid when scaling informational content I'm intentionally avoiding paid links and shortcuts, so practical experiences and real-world examples would be extremely helpful."
The site is an informational platform about IQ testing, cognitive skills, and educational content, with original long-form articles, structured internal linking, and a clean technical setup (Core Web Vitals, mobile-first, indexing). The current goal is to improve Domain Authority and overall perceived authority through organic, long-term methods without paid backlinks or link schemes. Specific requests include free backlink sources that have proven effective (forums, communities, publications), the SEO value of expert-exchange style answers, content formats that naturally attract links in education and psychology, and common DA mistakes to avoid when scaling informational content. Practical experiences, real-world examples, and avoidance of paid shortcuts are preferred.
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