How I Built a Free Random Letter Generator — And Got 7,800+ Impressions in 8 Weeks with Zero Ad Spend

Short summary

SEO specialist built a free random letter generator using WordPress, Vanilla JS, and performance optimization, achieving 7,870 Google impressions in 8 weeks with zero ad spend. By targeting low-competition keywords, optimizing for Core Web Vitals (100 PageSpeed score), and ensuring accessibility, the tool reached users across 145 countries. Case demonstrates that lean, intentional product building with strong technical fundamentals can drive organic growth.

• •Built randomletter.io with zero ad spend, reaching 7,870 impressions in 8 weeks across 145 countries
• •Achieved 100/100 PageSpeed scores through Vanilla JS, LiteSpeed Cache, and performance-first architecture
• •Organic SEO growth via low-competition keywords, clean linking, and WCAG accessibility compliance

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