¶ 01
"Promote Your Business Easily, Fast, and Safely." The hero subheadline contains three modifiers in a list: easily (adverb), fast (adjective functioning as adverb), and safely (adverb). The first and third are adverbs; the second is doing its best. Whether the author reached for "quickly" and settled on "fast" as an approximate synonym, or whether the copy was assembled from three separate modifier buckets by a tool that does not conjugate, is not addressed on the page. The headline above it reads "PR Distribution Marketplace," which is technically a complete sentence in the same way that "Fruit For Sale" is a complete sentence.
