Core Web Vitals in 30 seconds: segment, reproduce, fix, verify
Silent video: no voiceover, music or sound effects. This transcript repeats every on-screen word and describes each scene.
The film includes the topic label "Core Web Vitals", the note "Illustrative diagram", the TecnoStack logo and progress numbers 1, 2, 3, 4, 5, 6. Elements enter and leave during transitions; in portrait, the closing sign-off replaces the footer.

[0:00–0:05] Beat 1 of 6 (intro)
Kicker: Core Web Vitals
Headline: Measure real visits
Support: Good thresholds at percentile 75
Diagram (evidence checklist): LCP (≤ 2.5 s); INP (≤ 200 ms); CLS (≤ 0.1)
Highlighted: LCP; INP; CLS
Scene: Comparison without scores: LCP, INP, CLS. Emphasis: LCP, INP, CLS.

[0:05–0:10] Beat 2 of 6 (step1)
Kicker: 01
Headline: Segment before fixing
Support: Compare template, device and language
Diagram (hub and spokes): Field data; Page template; Mobile or desktop; Arabic or English
Connections: Field data → Page template; Field data → Mobile or desktop; Field data → Arabic or English
Highlighted: Mobile or desktop; Arabic or English
Scene: Network: Field data, Page template, Mobile or desktop, Arabic or English. Connections: Field data to Page template; Field data to Mobile or desktop; Field data to Arabic or English. Emphasis: Mobile or desktop, Arabic or English.

[0:10–0:15] Beat 3 of 6 (step2)
Kicker: 02
Headline: Reproduce the slow interaction
Support: Match the affected segment
Diagram (flow): Slow field segment; Lab trace; Root cause
Connections: Slow field segment → Lab trace; Lab trace → Root cause
Highlighted: Lab trace
Scene: Flow: Slow field segment, Lab trace, Root cause. Connections: Slow field segment to Lab trace; Lab trace to Root cause. Emphasis: Lab trace.

[0:15–0:20] Beat 4 of 6 (step3)
Kicker: 03
Headline: Fix each metric's cause
Support: Improve shared components
Diagram (decision paths): Root cause; LCP: earlier hero; INP: smaller tasks; CLS: reserved space
Connections: Root cause → LCP: earlier hero; Root cause → INP: smaller tasks; Root cause → CLS: reserved space
Highlighted: INP: smaller tasks
Scene: Branching diagram: Root cause, LCP: earlier hero, INP: smaller tasks, CLS: reserved space. Connections: Root cause to LCP: earlier hero; Root cause to INP: smaller tasks; Root cause to CLS: reserved space. Emphasis: INP: smaller tasks.

[0:20–0:25] Beat 5 of 6 (step4)
Kicker: 04
Headline: Verify after release
Support: Compare the same segment
Diagram (timeline): Release; Field data builds; Same-segment check; Build budget
Connections: Release → Field data builds; Field data builds → Same-segment check; Same-segment check → Build budget
Highlighted: Same-segment check
Scene: Sequence: Release, Field data builds, Same-segment check, Build budget. Connections: Release to Field data builds; Field data builds to Same-segment check; Same-segment check to Build budget. Emphasis: Same-segment check.

[0:25–0:30] Beat 6 of 6 (close)
Kicker: TECNOSTACK
Headline: Improve speed and accessibility
Support: No ranking guarantees
Diagram (flow): Segment; Reproduce; Fix; Verify
Connections: Segment → Reproduce; Reproduce → Fix; Fix → Verify
Highlighted: Verify
Sign-off: TecnoStack logo and tecnostack.com
Scene: Flow: Segment, Reproduce, Fix, Verify. Connections: Segment to Reproduce; Reproduce to Fix; Fix to Verify. Emphasis: Verify.