TTI(Time To Interactive) as a performance budget is a tricky issue because the metric is neither simple to evaluate nor easy to act upon, making its usage very complicated when discussion web performance with different web actors.
– Our TTI is over budget!
– What's TTI?
– …
– Do you know what made it exceed the budget ?
– …
– What corrective measures can we apply?
– …
I wrote a piece on it (available on dev.to) and deeply recommend RUM metrics instead (like the distribution of First Input Delay) or Custom Metrics (for Synthetic Monitoring).
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Hi Mohan,
TTI(Time To Interactive) as a performance budget is a tricky issue because the metric is neither simple to evaluate nor easy to act upon, making its usage very complicated when discussion web performance with different web actors.
I wrote a piece on it (available on dev.to) and deeply recommend RUM metrics instead (like the distribution of First Input Delay) or Custom Metrics (for Synthetic Monitoring).