Bb.com.br
bb.com.br Mobile Performance
96/100
These metrics represent real-world Chrome users experience viewing bb.com.br 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.
User Loading Experience
Cumulative Layout Shift
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
First Contentful Paint92/100 2.2 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint92/100 2.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive96/100 2.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index99/100 2.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 90 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (7)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused CSS
Potential savings of 102 KiB
1,050 ms
Preload key requests
Potential savings of 300 ms
300 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Largest Contentful Paint element
Avoid long main-thread tasks
3 long tasks found
Avoid large layout shifts
Avoid chaining critical requests
1 chain found
Keep request counts low and transfer sizes small
13 requests • 117 KiB
Passed Audits (21)
Enable text compression
Avoids `document.write()`
Defer offscreen images
Serve images in next-gen formats
Minify JavaScript
Minimizes main-thread work
0.6 s
Avoids enormous network payloads
Total size was 117 KiB
Efficiently encode images
Avoids an excessive DOM size
10 elements
Minify CSS
Initial server response time was short
Root document took 210 ms
JavaScript execution time
0.1 s
Uses efficient cache policy on static assets
0 resources found
Avoid multiple page redirects
Preconnect to required origins
All text remains visible during webfont loads
Eliminate render-blocking resources
Uses passive listeners to improve scrolling performance
Use video formats for animated content
Properly size images
Remove unused JavaScript
bb.com.br Mobile SEO
75/100
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.
Should Fix (3)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
42 errors found
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Passed Audits (9)
Page has successful HTTP status code
Links have descriptive text
Page isn’t blocked from indexing
Document avoids plugins
Document uses legible font sizes
100% legible text
Document has a `<title>` element
Tap targets are sized appropriately
100% appropriately sized tap targets
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
bb.com.br Mobile Best Practices
85/100
These checks highlight opportunities to improve the overall code health of bb.com.br 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 (2)
Trust and Safety
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
Passed Audits (12)
Avoids requesting the notification permission on page load
Page has the HTML doctype
Allows users to paste into password fields
Detected JavaScript libraries
Properly defines charset
Avoids Application Cache
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
Avoids front-end JavaScript libraries with known security vulnerabilities
Displays images with correct aspect ratio
Links to cross-origin destinations are safe
Serves images with appropriate resolution
bb.com.br Mobile Progressive Web App
50/100
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 (8)
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Passed Audits (6)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Provides a valid `apple-touch-icon`
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
bb.com.br Mobile Accessibility
69/100
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.
Should Fix (1)
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Passed Audits (5)
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a `[lang]` attribute
Document has a `<title>` element
`<html>` element has a valid value for its `[lang]` attribute
Background and foreground colors have a sufficient contrast ratio
Mobile Usability
98/100
These checks validate how easily a visitor can use bb.com.br on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
38/100
These checks analyze the performance of bb.com.br on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (7)
Avoid landing page redirects
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Prioritize visible content
Minify CSS
Minify HTML
Passed Audits (3)
Enable compression
Reduce server response time
Minify JavaScript
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