First content display
When the first text or image appears. It does not mean the page has finished loading.
THE USEFUL DICTIONARY
The right word.
The right context.
Short definitions to help you read your diagnosis.
Largest visible content
When the largest visible content element is displayed. It may be an image or text.
Visual stability
Measures unexpected layout shifts. A unitless value; lower is better.
Total blocking time
A lab indicator of browser blocking during loading. It does not directly measure visitors’ INP.
Interaction responsiveness
A measurement related to page interactions. This version of Pingsivo does not provide field INP data.
Visual progress
Measures how quickly content becomes visually visible during loading.
Time to first byte
The wait before the first response data arrives. It depends on the network and request processing, and is not the complete loading time.
Audit engine
A tool that runs automated performance, accessibility, best-practices and SEO checks.
Test conditions
Measurements from a controlled or simulated scenario. Useful for diagnosis, but not a description of all real visits.
Real visitor experience
Aggregated visitor observations. Their period and population differ from a single audit. They are not included in this report.
Resource reuse
Temporary storage of resources to avoid downloading or calculating everything again. Rules depend on the type of data.
Structure checks
Checks that help assess crawling and a page’s technical presentation. A score does not predict rankings.