# Page Load Time

> Use when auditing slow page loads, heavy assets, or rendering delays related to Keep page load time under 3 seconds. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.

- Skill: `thedaviddias/page-load-time` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add thedaviddias/page-load-time`
- Raw SKILL.md: https://api.skillmd.com/api/skills/thedaviddias/page-load-time/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: thedaviddias (https://skillmd.com/u/thedaviddias)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/thedaviddias/page-load-time

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# Keep page load time under 3 seconds

Studies show 53% of mobile users abandon sites that take longer than 3 seconds to load—slow pages directly hurt conversions, engagement, and SEO rankings.

## Quick Reference

- 3 seconds is the threshold where bounce rates spike dramatically
- 53% of mobile users abandon sites taking over 3 seconds
- Focus on Core Web Vitals: LCP, FID/INP, CLS
- Test on throttled 3G to simulate real-world conditions

## Check

Measure the page load time and verify it's under 3 seconds on a standard connection.

## Fix

Optimize page load time through lazy loading, CDN usage, caching strategies, and resource optimization.

## Explain

Explain how page load time affects bounce rate, SEO rankings, and user satisfaction.

## Code Review

Review the routes, assets, and loading behavior that affect Keep page load time under 3 seconds. Flag exact files, requests, or rendering steps that add unnecessary network, CPU, or layout cost, and describe the measurement method used to confirm the issue.

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For full implementation details, code examples, and framework-specific guidance,
see `references/rule.md`.

Rule page: https://frontendchecklist.io/en/rules/performance/page-load-time