IT
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https://comparebusinesselectricity.uk/
Values are estimated and may vary. The performance score is calculated directly from these metrics.See calculator. 0–49 50–89 90–100
Performance
80
Accessibility
97
Best
Practices
92
SEO
100
PWA
Performance
80
METRICS Expand view
First Contentful Paint
1.5 s
Largest Contentful Paint
3.7 s
Total Blocking Time
360 ms
Cumulative Layout Shift
0.023
Speed Index
2.1 s
View Treemap View Original Trace
6/15/23, 12:58 PM about:blank
about:blank 2/5
Show audits relevant to: All FCP LCP TBT CLS
OPPORTUNITIES
Opportunity Estimated Savings
Reduce unused JavaScript 1.50s
Reduce unused CSS 0.45s
Eliminate render-blocking resources 0.16s
Avoid serving legacy JavaScript to modern browsers 0.15s These suggestions can help your page load faster. They don't directly affect the Performance score. DIAGNOSTICS
Page prevented back/forward cache restoration — 1 failure reason Minimize main-thread work — 3.3 s
Avoid an excessive DOM size — 1,157 elements
Reduce JavaScript execution time — 1.4 s
Avoid chaining critical requests — 2 chains found
Keep request counts low and transfer sizes small — 67 requests • 1,128 KiB Largest Contentful Paint element — 1 element found Avoid large layout shifts — 5 elements found
Avoid long main-thread tasks — 12 long tasks found Avoid non-composited animations — 11 animated elements found More information about the performance of your application. These numbers don't directly affect the Performance score. 6/15/23, 12:58 PM about:blank
about:blank 3/5
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged.
PASSED AUDITS (26) Show
Accessibility
97
NAVIGATION
[id] attributes on active, focusable elements are not unique These are opportunities to improve keyboard navigation in your application. ADDITIONAL ITEMS TO MANUALLY CHECK (10) Show
These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
PASSED AUDITS (16) Show
NOT APPLICABLE (27) Show
Best Practices
92
USER EXPERIENCE
Serves images with low resolution
TRUST AND SAFETY
Ensure CSP is effective against XSS attacks
6/15/23, 12:58 PM about:blank
about:blank 4/5
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials. These checks validate the aspects of a Progressive Web App. Learn what makes a good Progressive Web App.
GENERAL
Detected JavaScript libraries
PASSED AUDITS (12) Show
NOT APPLICABLE (1) Show
SEO
100
ADDITIONAL ITEMS TO MANUALLY CHECK (1) Show
Run these additional validators on your site to check additional SEO best practices. PASSED AUDITS (14) Show
PWA
INSTALLABLE
Web app manifest or service worker do not meet the installability requirements — 1 reason PWA OPTIMIZED
Does not register a service worker that controls page and start_url 6/15/23, 12:58 PM about:blank
about:blank 5/5
Generated by Lighthouse 10.1.1 File an issue
Is not configured for a custom splash screen Failures: No manifest was fetched. Does not set a theme color for the address bar.
Failures: No manifest was fetched, No `<meta name="theme-color">` tag found. Content is sized correctly for the viewport
Has a <meta name="viewport"> tag with width or initial-scale Manifest doesn't have a maskable icon No manifest was fetched ADDITIONAL ITEMS TO MANUALLY CHECK (3) Show
These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually. Captured at Jun 15, 2023,
12:58 PM GMT+1
Emulated Moto G Power with
Lighthouse 10.1.1
Single page load
Initial page load Slow 4G throttling Using Chromium 114.0.0.0 with devtools
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