After removing the noise you can distill the semantic stuff where ever possible, like meta-deta from images, buttons, etc, and see some structures emerge like f

After removing the noise you can distill the semantic stuff where ever possible, like meta-deta from images, buttons, etc, and see some structures emerge like footers and nav and body.. And many times for the sake of SEO and accessibility, websites do adopt quite a bit of semantic HTML elements and annotations in respective tags..