David Lange

David Lange studied computer science and combines his technical background with hands-on experience in SEO, content publishing and website acquisitions. He has built dozens of websites and sold more than 100 online properties, giving him a practical understanding of how websites grow, rank and become valuable digital assets. At The Query Post, David writes about SEO, AI search, technical visibility and digital publishing. He follows how tools like ChatGPT, Claude and Google Gemini are changing the way people discover information, compare businesses and make decisions online. His perspective is shaped by real projects rather than theory alone. He focuses on what these changes mean in practice for publishers, marketers and online businesses trying to grow in a search landscape that keep...