Semantic HTML

Urchin Tracking Modules (UTMs) are additions to a web page URL that provide specific information to marketers, such as what site the user came from and what marketing campaign the visit should be attributed to.

These are useful in tracking ads to determine metrics like return on investment (ROI).

Breadcrumbs provide a navigation trail for users on a website. If they’re in a particular sub-section of the website, breadcrumbs allow them to see how they got there and what previous, high-level topic pages they could view as well that link to their current page.

Having a clear breadcrumb structure for a website is important, since it relates to user experience and avoids confusing visitors to your site.

Refers to the speed at which the elements on a web page load. Site speed relates to ease of use, and is also a metric used by search engine algorithms in determining site health.