Birdsong.co
birdsong.co Mobile Performance
20/100
These metrics represent real-world Chrome users experience viewing birdsong.co on mobile devices. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.
Metrics
Total Blocking Time1/100 2,630 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint3/100 8.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive19/100 11.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index35/100 6.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint37/100 4.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (16)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 341 KiB
2,100 ms
Avoid multiple page redirects
Potential savings of 1,410 ms
1,410 ms
Remove unused CSS
Potential savings of 78 KiB
480 ms
Eliminate render-blocking resources
Potential savings of 450 ms
450 ms
Enable text compression
Potential savings of 53 KiB
450 ms
Serve images in next-gen formats
Potential savings of 11 KiB
180 ms
Properly size images
Potential savings of 13 KiB
180 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Reduce the impact of third-party code
Third-party code blocked the main thread for 490 ms
Serve static assets with an efficient cache policy
13 resources found
Minimize main-thread work
6.6 s
Reduce JavaScript execution time
4.1 s
Avoid long main-thread tasks
20 long tasks found
Keep request counts low and transfer sizes small
39 requests • 787 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
11 chains found
Passed Audits (12)
Preload key requests
Avoids enormous network payloads
Total size was 787 KiB
Minify CSS
Initial server response time was short
Root document took 90 ms
Preconnect to required origins
Uses passive listeners to improve scrolling performance
Efficiently encode images
Avoids an excessive DOM size
185 elements
Use video formats for animated content
Minify JavaScript
Potential savings of 2 KiB
Avoids `document.write()`
Defer offscreen images
birdsong.co Mobile SEO
100/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Passed Audits (13)
Image elements have `[alt]` attributes
Document uses legible font sizes
71.05% legible text
Page has successful HTTP status code
robots.txt is valid
Document has a `<title>` element
Document avoids plugins
Tap targets are sized appropriately
100% appropriately sized tap targets
Document has a meta description
Links are crawlable
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Document has a valid `hreflang`
Page isn’t blocked from indexing
birdsong.co Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of birdsong.co mobile page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (4)
User Experience
Displays images with incorrect aspect ratio
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
General
Browser errors were logged to the console
Passed Audits (10)
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Avoids deprecated APIs
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Avoids Application Cache
Properly defines charset
Serves images with appropriate resolution
Links to cross-origin destinations are safe
Detected JavaScript libraries
birdsong.co Mobile Progressive Web App
21/100
These checks validate the aspects of a Progressive Web App. Learn more. 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.
Should Fix (10)
PWA Optimized
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Fast and reliable
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 11.5 s
`start_url` does not respond with a 200 when offline
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Passed Audits (4)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
birdsong.co Mobile Accessibility
100/100
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. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Passed Audits (15)
The page contains a heading, skip link, or landmark region
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Image elements have `[alt]` attributes
Heading elements appear in a sequentially-descending order
`[aria-*]` attributes have valid values
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
No element has a `[tabindex]` value greater than 0
`<html>` element has a `[lang]` attribute
`[aria-*]` attributes are valid and not misspelled
`[id]` attributes on active, focusable elements are unique
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes match their roles
Links have a discernible name
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