The document provides 25 tips for optimizing an eCommerce website for search engine optimization (SEO). Some key tips include creating an SEO keyword field in product databases to include relevant keywords; focusing on singular keywords on product pages and plural keywords on homepage/landing pages; using keyword-rich URLs and keeping products 2-3 clicks from the homepage; including unique title tags, meta descriptions and reviews on each product page; and passing link juice wisely to prioritize important pages like products and categories over less important pages. The tips are aimed at improving rankings, preventing duplicate content penalties, and driving relevant traffic from search engines to eCommerce sites.