Most visitors will see your site on a phone, so mobile clarity matters more than desktop polish. Start by checking text size and spacing. Paragraphs should be easy to scan, with short lines and enough padding. If the user has to zoom, the design is losing points.
Next, simplify sections. Long, complex layouts can collapse awkwardly on mobile. Use a single-column flow with strong headings. Make sure your images are not too tall and do not push important content below the fold.
Finally, improve speed. Compress images, avoid too many heavy animations, and use caching. A faster site feels more trustworthy and keeps users engaged. A mobile-first cleanup often improves conversions immediately.