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Grader

Website Performance Grader

A 1 second delay in page load reduces conversions by 7% and page views by 11% according to Akamai data. Describe your website setup to get a performance grade across mobile responsiveness, page speed, SEO fundamentals, security headers, and accessibility compliance.

Last updated: May 2026

A website performance score grades your site across mobile responsiveness, page speed, SEO fundamentals, security, and accessibility. Performance Score = Sum of (Rule Weight × Pass/Fail) across 10 criteria. Small Business Sites typically target 80-100.

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What is Website Performance Score?

A website performance score grades your site across mobile responsiveness, page speed, SEO fundamentals, security, and accessibility. It identifies the specific technical issues that reduce conversions and search rankings.

The Formula

Performance Score = Sum of (Rule Weight × Pass/Fail) across 10 criteria

Each rule is weighted by its impact on user experience and SEO. Mobile and speed carry the highest weight.

Worked Example

A small business website is graded across 10 performance criteria.

Mobile responsive: Pass (12 points)
Page speed under 3 seconds: Fail (0 of 12 points)
Meta title present: Pass (10 points)
Meta description present: Pass (10 points)
Heading hierarchy correct: Fail (0 of 10 points)
SSL active: Pass (10 points)
Images optimized: Fail (0 of 8 points)
Alt text present: Pass (8 points)
Clear CTA: Pass (10 points)
Structured data: Fail (0 of 10 points)

📌 The site scores 60/100, passing on fundamentals but losing 40 points on speed, headings, images, and structured data. Fixing page speed alone could improve conversions by 7% per second saved.

Why This Matters

Conversions

Each second of page load delay reduces conversions by 7%. A site scoring below 50 is likely losing half its potential leads to poor performance.

Search Rankings

Google uses Core Web Vitals as ranking signals. Sites with better performance scores rank higher and receive more organic traffic.

User Trust

Missing SSL, slow loading, and poor mobile experience make visitors leave. 53% of mobile users abandon sites that take over 3 seconds to load.

Common Mistakes

❌ Ignoring mobile performance

Over 60% of web traffic is mobile. Testing only on desktop misses the majority of your audience.

❌ Uploading uncompressed images

Large images are the most common cause of slow page loads. Compress images and use modern formats like WebP.

❌ Skipping structured data

Structured data enables rich snippets in search results, increasing click-through rates by 20-30%.

Industry Benchmarks

Category	Good	Average	Poor
Small Business Sites	80-100	50-70	Below 40
Agency/SaaS Sites	85-100	65-80	Below 55
Ecommerce Sites	75-100	55-75	Below 45

Source: Google Core Web Vitals Report and HTTP Archive Data

Benchmark data sourced from Google Core Web Vitals Report and HTTP Archive Data.

Marketing research from HubSpot and the Content Marketing Institute consistently shows the tools that let visitors grade or score themselves convert 4x better than generic contact forms, because the visitor gets personalized results, not a 'we'll get back to you' promise.

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One of the most common mistakes we see when working with clients: ignoring mobile performance. Over 60% of web traffic is mobile. Testing only on desktop misses the majority of your audience.

Embed This Grader on Your Website

Every visitor who uses your embedded grader becomes a qualified lead. Their inputs, results, and marketing metrics are captured and sent to your CRM, before you ever pick up the phone.

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Frequently Asked Questions

What does the website performance grader check?

It grades your site across 10 criteria: mobile responsiveness, page load speed, meta title, meta description, heading hierarchy, SSL certificate, image optimization, alt text, call to action, and structured data markup.

What is a good website performance score?

Above 80 out of 100 is excellent. The average small business website scores around 55. Mobile responsiveness, page speed, and SSL are the highest weighted factors.

How is the grade calculated?

Each of the 10 rules is weighted by its impact on conversions and SEO. Mobile responsiveness and page speed carry the most weight because they affect both user experience and search rankings.

Does this check my actual website or just the URL?

It analyzes the content and structure of your live website. Enter your full URL including https:// for the most accurate results.

How can I improve my website performance grade?

Focus on the failed rules first. Adding SSL, fixing heading hierarchy, and compressing images are quick wins that lift the grade immediately. Mobile responsiveness and page speed improvements carry the heaviest weight and have the biggest impact on conversions.

What website performance score should I aim for?

Above 80 out of 100 is excellent while the average small business website scores around 55 according to Google Core Web Vitals data. Mobile responsiveness, page speed under 2.5 seconds, and SSL certificate are the highest weighted factors. A 1-second delay in page load reduces conversions by 7% per Akamai research.

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