Tutorvo

Transfer Time on 3G & 4G: Bytes, Bandwidth & Round Trips

Lesson 4 of 815 minLab

This lesson is part of the course

In this lesson

You estimate how long three pages take on four network profiles from their weight, the downlink speed and the round-trip time, and derive a weight budget from a 3-second target.

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Lessons in this course

  1. Core Web Vitals at the 75th Percentile: LCP, INP & CLSLab15 min Locked
  2. Good, Needs Improvement, Poor: Share of Visits with COUNTIFSLab15 min Locked
  3. Page Weight Budget by Resource TypeLab15 min Locked
  4. Transfer Time on 3G & 4G: Bytes, Bandwidth & Round TripsLab15 min Locked
  5. CDN Cache Hit Ratio & Origin OffloadLab15 min Locked
  6. Compression & Image Savings: gzip, Brotli & Modern FormatsLab15 min Locked
  7. Performance vs Conversion: CORREL & Bucketed Conversion RatesLab20 min Locked
  8. Performance Budget Dashboard: Budgets Met & Red FlagsLab15 min Locked