Hierarchy
Is the visual hierarchy of the used formatting of the titles and subtitles consistent?
Are the headings (h1,h2,h3…) in the correct order and is no level skipped?
Think mobile
Does the images have an ideal cut for each viewport?
Is the most important CTA visible area (first view) on mobile viewport?
Are tables in the mobile view presented in a meaningful and understandable way?
Consistency
Do the images used support the message of a page’s content?
Is the visual language uniform on one page/site?
Is the layout of pages on a site consistent?
Are vertical spacings and headline sizes, used across a site, consistent?
Are the contact details of pages on a site presented consistently?
Are links, linklists or buttons in a site formatted consistently?
Usability
Is the text width not more than 50%-60% of the page width?
Are the link labels meaningful?
If you have very long text, is it optimized for fast reading/scanning?
Does the content have enough white space to be able to scan it optimally?
Client centricity
Is it easy and quick to see what topics the page contains?
Are there any links (“next best action”) on every page?