Have you ever noticed some additional links shown at Google Organic Search Results while you searched for something on Google. You will find Google will show sub-pages/URL's along with main domain for top ranking website.
Sitelinks are these additional links which Google show's at search engine result page's for #1 ranking website, while many times Google also shows Sitelinks for top-10 ranking websites.
Above screenshot show's how Google show's website sitelinks, I believe all those who were not aware now knows what are Sitelinks and how it shows at Google. It is important for you to try get your website internal page's get picked by Google and displayed as Sitelinks by making your website navigation user and crawler friendly.
Sitelinks are these additional links which Google show's at search engine result page's for #1 ranking website, while many times Google also shows Sitelinks for top-10 ranking websites.
Above screenshot show's how Google show's website sitelinks, I believe all those who were not aware now knows what are Sitelinks and how it shows at Google. It is important for you to try get your website internal page's get picked by Google and displayed as Sitelinks by making your website navigation user and crawler friendly.