Free SEO Tools I Use Daily as a Solo Founder Running 15 Sites

I manage 15 websites as a solo founder. I've also got 47 blog articles across these sites and zero budget for Ahrefs or Semrush ($200-500/month). So I built a SEO stack from free tools. No paid SaaS. No shortcuts. Just discipline. The Essential Five 1. Google Search Console (GSC) This is non-negotiable. It tells you: Which pages Google can find Why it can't find others What people search for to reach you How often you appear in results Core Web Vitals issues Security problems My morning routine: Check Coverage report Check Performance report for new keywords Check Security & Manual Actions Takes 5 minutes. Catches everything important. 2. PageSpeed Insights + Web Vitals Google's ranking algorithm cares about: Largest Contentful Paint (LCP): < 2.5s First Input Delay (FID): < 100ms Cumulative Layout Shift (CLS): < 0.1 I run this before publishing every article. If I see red flags, I optimize before hitting publish. 3. CalcSEO for Traffic Estimation Before I write a 2,000-word article, I