Eligibility for rich results in search, though Google does not guarantee they will appear A direct ranking boost in all cases Automatic backlinks Guaranteed position #1
Only Bing indexes slash URLs Search engines may treat them as two different URLs, creating duplicates unless one redirects or is canonicalized The site is removed from search None at all
Yes, it causes a penalty Yes, lazy images are never indexed Only for PNG images No; native lazy loading is supported by Googlebot. Avoid lazy-loading above-the-fold content, such as the main image
