Glossary

The glossary includes terms used throughout Yottaa.

    A
  • Any unusual event in your site's data, such as a spike or plunge.
  • B
  • Based on user navigation and site traffic statistics, the system identifies pages the user is likely to visit next, and keeps them in the cache.
  • When a service attempts to access your site, but is blocked by an enforced CSP or page security rule.
  • The rate at which sessions end after only one page view.
  • The browser that a shopper uses to visit your site. Examples include Google Chrome, Firefox, and Safari.
  • C
  • The ability to trigger when cache refreshes should occur using convenient APIs and features in the portal.
  • Keeps your cart page updated so it can be refreshed instantly.
  • The rate at which sessions end with shoppers completing a purchase.
  • The average page load time for which your site's conversion rate is the highest.
  • A session that ends with a shopper making a purchase
  • The amount by which the content of a page unexpectedly shifts or reflows.
  • D
  • The type of device a shopper uses to visit your site: desktop, mobile, or tablet.
  • When an extension detected by Yottaa displays an element (for example, a coupon, cashback reward, price comparison, or price alert notification) on any page during a session. Journey Shield only detects the extensions that you select on the Journey Shield Rules page.
  • When the initial HTML document is completely loaded and parsed.
  • F
  • The amount of time it takes for the user's browser to receive the first byte of information.
  • The amount of time a shopper has to wait for the site to respond to user input due to any event interrupting the application logic.
  • The first moment that content is rendered on the screen, even if it is just a pixel.
  • Scripts, images, videos, and other resources that are part of your site's source code.
  • When a service that has been flagged by a report-only content security policy or page security rule accesses your site.
  • J
  • JavaScript Errors occur when a browser can't execute some portion of your JavaScript, either due to a syntax or a runtime error.
  • Keeps all user-navigated pages up to date in the cache.
  • K
  • The Known Bot Filter screens your site's request data. By default, it filters out requests from known non-malicious web crawlers like Google, Bing, Facebook, Snapchat, Yandex, and others, before it analyzes your site to calculate conversion insights.
  • L
  • The time it takes for the largest piece of visible content on a page to load.
  • The time it takes for the last byte of information to reach the user's browser.
  • When a resource fails to load in the browser.
  • N
  • A session that ends without a shopper making a purchase
  • O
  • the time it takes for the initial HTML document to load with all stylesheets, images, and subframes. At this point, the page is usually interactive to users. "Onload time" is equal to the high-resolution timestamp returned by the PerformanceNavigationTiming.loadEventEnd property.
  • Whether a third party or other resource is optimized by Yottaa or unoptimized.
  • The amount of time it takes your origin server to communicate with YOTTAA
  • P
  • When a resource that loads before onload takes longer than a set number of milliseconds to load.
  • Each time a user loads a page.
  • PIR, or Performance Index Rating, uses Yottaa-exclusive data to evaluate the performance of a third party across the industry. The rating does not necessarily represent the third party's impact on your site.
  • When a resource that loads after onload takes longer than a set number of milliseconds to load. Does not delay page load time, but can affect functionality.
  • R
  • Any request initiated by the browser, including HTML, CSS, JS, photos, videos, and so on.
  • S
  • The period of time when a customer is active on your site. A session times out after 30 minutes of inactivity.
  • When a resource, usually an image, is larger than a set number of kilobytes.
  • Utilizes your site information to prefetch your top visited pages.
  • The time from the start of navigation to the first time the third party makes a request.
  • U
  • A string generated by the browser that includes the type of browser and device that the customer used to access the page.
  • V
  • Any activity that impacts, or has the potential to impact, user experience.