Battle.net Blizzard Entertainment
battle.net Desktop Performance
62/100
These metrics represent real-world Chrome users experience viewing battle.net web page. 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
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Largest Contentful Paint3/100 6.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index44/100 2.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint69/100 1.3 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift90/100 0.099
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Time to Interactive98/100 1.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time99/100 80 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (16)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 6,403 KiB
5,620 ms
Efficiently encode images
Potential savings of 3,491 KiB
2,980 ms
Avoid multiple page redirects
Potential savings of 420 ms
420 ms
Remove unused JavaScript
Potential savings of 136 KiB
360 ms
Eliminate render-blocking resources
Potential savings of 220 ms
220 ms
Remove unused CSS
Potential savings of 79 KiB
70 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve static assets with an efficient cache policy
85 resources found
Ensure text remains visible during webfont load
Avoid enormous network payloads
Total size was 12,643 KiB
Avoid an excessive DOM size
1,750 elements
User Timing marks and measures
1 user timing
Keep request counts low and transfer sizes small
155 requests • 12,643 KiB
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
12 chains found
Avoid long main-thread tasks
1 long task found
Passed Audits (14)
Preload key requests
Defer offscreen images
Potential savings of 151 KiB
Use video formats for animated content
Initial server response time was short
Root document took 400 ms
Minimizes main-thread work
1.3 s
Minify CSS
Minimize third-party usage
Third-party code blocked the main thread for 70 ms
Minify JavaScript
Uses passive listeners to improve scrolling performance
Enable text compression
Preconnect to required origins
JavaScript execution time
0.4 s
Avoids `document.write()`
Properly size images
Potential savings of 5 KiB
battle.net Desktop SEO
82/100
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 (2)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
6 links found
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (9)
Document has a meta description
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Page has successful HTTP status code
Image elements have `[alt]` attributes
robots.txt is valid
Page isn’t blocked from indexing
Document has a valid `hreflang`
Document avoids plugins
battle.net Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of battle.net 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 (3)
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Passed Audits (11)
Properly defines charset
Avoids deprecated APIs
No browser errors logged to the console
Allows users to paste into password fields
Detected JavaScript libraries
Avoids requesting the notification permission on page load
Serves images with appropriate resolution
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Avoids Application Cache
Displays images with correct aspect ratio
battle.net Desktop Progressive Web App
19/100
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 set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 18.4 s
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 (3)
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
battle.net Desktop Accessibility
93/100
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 (22)
The page contains a heading, skip link, or landmark region
Links have a discernible name
`[lang]` attributes have a valid value
`[role]`s are contained by their required parent element
ARIA IDs are unique
`[aria-*]` attributes have valid values
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
No element has a `[tabindex]` value greater than 0
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
Heading elements appear in a sequentially-descending order
Document has a `<title>` element
`[id]` attributes on active, focusable elements are unique
`<html>` element has a `[lang]` attribute
Buttons have an accessible name
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes are valid and not misspelled
`[role]` values are valid
Image elements have `[alt]` attributes
`<html>` element has a valid value for its `[lang]` attribute
Background and foreground colors have a sufficient contrast ratio
Desktop Speed
86/100
These checks analyze the performance of battle.net on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (5)
Leverage browser caching
Minify JavaScript
Avoid landing page redirects
Minify CSS
Optimize images
Passed Audits (5)
Enable compression
Reduce server response time
Minify HTML
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Prioritize visible content
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