Best SEO optimized SILO structure with proper instruction of usage for your website.
Develop an optimal SEO-friendly SILO architecture featuring minimum page depth, displayed as a tiered bullet-point hierarchy from the main page to subpages. Assign a primary keyword to each page and clearly outline the internal linking connections between pages (internal links are required). Avoid introductory phrases such as 'As an AI language model' or 'As an SEO specialist'. The entire response must be in [LANGUAGE]. Conclude with implementation guidelines for executing this SILO framework effectively.