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Core Web Vitals Playbook for Corporate Sites

May 5, 2025 Performance · Frontend

Design leaders want cinematic hero sections; SEO teams want clean vitals. This playbook balances both by treating performance as a shared asset, not a post-launch patch.

Core web vitals metrics

Design Tokens for Performance

We codify acceptable animation durations, image aspect ratios and video fallbacks directly into the component library. Designers stay creative, but anything outside the guardrails throws a lint error.

Observability Every Stakeholder Understands

Lighthouse CI runs on each pull request, but executives get a simplified Looker tile: traffic-weighted LCP, CLS and INP with trend arrows. If one drops below target, Jira auto-creates a task with affected templates.

Content Delivery Playbook

We ship hero images via ImageKit with format negotiation, lazy load below the fold, and hydrate React/Next islands only when they appear in viewport. Result: brand motion stays rich while vitals stay green across markets.

Governance Dashboards

DevOps, design and marketing share a single scorecard that tracks vitals by template, region and device class. Alerts fire when a page type degrades by 5%, prompting a “Vitals Stand-up” to prioritize fixes before launches slip.

Training the Team

Designers learn pragmatic animation patterns, copywriters get image compression cheatsheets, and engineers receive profiling playbooks for Chromium + Safari. Performance ownership spreads across the org instead of riding on one hero dev.

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