Mobile speed — measured by Google, not guessed
Phone-friendly — does it fit a phone screen
WhatsApp button — can people message in one tap
Tappable phone number — or do they copy it by hand
Google title & description — what people read in results
Business details for Google — address, hours, phone
WhatsApp link preview — does your link show a card
Visitor tracking — do you know who visits
Secure connection — or a “Not secure” warning
Image descriptions — for Google Images
Search engine basics — robots, headings
Looks abandoned? — old copyright year in the footer
Google listing — rating, reviews, photos, hours, missing fields
Social presence — which platforms you are on, and if the links work
SSL certificate — when it expires (before it bites you)
Phone vs computer — Google's scores for both