Website Performance Optimization Proposal Template

Win site speed optimization projects with a proposal that connects Core Web Vitals to revenue. Show clients how faster pages mean more conversions and better SEO.

Sample Brief

Our website loads in 6+ seconds and we're losing mobile users. Need Core Web Vitals optimization for SEO and conversion improvements. Budget $4,000.

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What This Proposal Covers

1

The Challenge

Quantify the cost of slow performance: lost conversions per second of load time, poor mobile experience, and declining search rankings from failed Core Web Vitals.

2

The Vision

Describe a fast, optimized website that loads in under 2 seconds, scores green on all Core Web Vitals, and delivers a smooth experience on every device.

3

Our Approach

Detail your optimization process: performance audit, image and asset optimization, code splitting, caching strategy, CDN setup, and server-side improvements.

4

Why Us

Share optimization case studies with before-and-after metrics: LCP reductions, CLS improvements, PageSpeed score gains, and resulting traffic or conversion lifts.

5

Investment

Present pricing for the audit and optimization phases, with quick wins (image compression, caching) separated from deeper architectural improvements.

6

Next Steps

Outline the deliverables: performance audit report, optimization implementation, before-and-after benchmark comparison, and monitoring setup.

Key Features

  • Core Web Vitals audit and optimization
  • Image and asset compression pipeline
  • Caching strategy and CDN configuration
  • Performance monitoring and alerting setup

Frequently Asked Questions

How do I justify the cost of website performance optimization?
Every 1-second improvement in load time can increase conversions by 7%. Calculate the client's potential revenue lift and present optimization as an investment with measurable ROI.
What tools should I mention in a performance optimization proposal?
Reference Lighthouse, WebPageTest, and Chrome DevTools for auditing. Mention specific optimizations like lazy loading, code splitting, and CDN setup rather than just listing tools.
How long does website performance optimization take?
Quick wins like image compression and caching take 1-2 weeks. Deeper architectural changes like code splitting and server optimization take 3-6 weeks depending on codebase complexity.

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