Clear definitions of the metrics, concepts, and signals that impact site speed, search rankings, user behavior, and revenue.
Cross-sell placement is where your store shows products that go with what a shopper is buying. The spot decides if an add-on lifts the order or derails it.
Learn moreA guest checkout flow lets shoppers buy without creating an account, removing one of the most common reasons people abandon checkout.
Learn morePDP elements are the building blocks of a product page, from the gallery and price to the variant picker, reviews and add-to-cart button.
Learn moreInteraction latency is the time between a click, tap or key press and the screen visibly responding. It's the raw number behind INP.
Learn moreThe product consideration stage is when a shopper has found a product and is deciding whether to buy it. Most of it happens on the product page.
Learn moreError rate monitoring tracks how often real visitors hit broken scripts, failed requests or missing files, so you can fix them before they cost sales.
Learn moreA long task is any piece of browser work that blocks the main thread for more than 50 milliseconds, leaving clicks and taps waiting in line.
Learn moreShopping momentum is the pull a shopper feels to keep buying once they've started. Friction, delays and distractions are what break it.
Learn moreDNS resolution time is how long the browser takes to turn your domain name into a server address. It's the first delay on every new visit.
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