Lighthouse Mobile
· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.Detailed Report
Audit breakdown by category with detailed findings.
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| qymall.pbsp.cn/assets/uniicons-DN59BOw4.ttf | 250 ms |
| qymall.pbsp.cn/assets/Roboto-Medium-12-B-WQFzlZ.ttf | 245 ms |
Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.
Performance issues directly impact user engagement and conversion rates.
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
Performance issues directly impact user engagement and conversion rates.
HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| qymall.pbsp.cn/assets/index-BEDRvski.css | 5.6 KiB | 176 ms |
| qymall.pbsp.cn/assets/uni.d32aa491.css | 6.4 KiB |
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.login-wrapper > div.shading > uni-image > img div.login-wrapper > div.shading > uni-image > img | /config/qingxiangyoupin/images/logo.png | 356.4 KiB | 351.5 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
Diagnostics
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| qymall.pbsp.cn/assets/index-BzXGFtTG.js | 616.7 KiB | 244.4 KiB |
| qymall.pbsp.cn/assets/src-pages-login-index.DIV0c0JD.js | 155.0 KiB | 106.9 KiB |
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
Performance issues directly impact user engagement and conversion rates.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| qymall.pbsp.cn/assets/index-BzXGFtTG.js | 2.6 s | 2.4 s | 13 ms |
| Unattributable | 922 ms | 11 ms | 0.0 ms |
| qymall.pbsp.cn/ | 389 ms | 20 ms | 3.1 ms |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 2.4 s |
| Other | 1.2 s |
| Style & Layout | 348 ms |
| Garbage Collection | 42 ms |
| Rendering | 26 ms |
| Script Parsing & Compilation | 25 ms |
| Parse HTML & CSS | 19 ms |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| Pages whose main resource has cache-control:no-store cannot enter back/forward cache. | Not actionable |
| Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header. | Not actionable |
More information about the performance of your application. These numbers don't directly affect the Performance score.
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
我已阅读并同意 《注册协议》和《隐私协议》和《个人信息收集清单》和《第三方信息共享清单》 等相关协议 uni-view > div.login-wrapper > div.tips-p > div.tips |
《注册协议》 div.tips-p > div.tips > uni-text.text-#FF3342 > span |
《隐私协议》 div.tips-p > div.tips > uni-text.text-#FF3342 > span |
《个人信息收集清单》 div.tips-p > div.tips > uni-text.text-#FF3342 > span |
《第三方信息共享清单》 div.tips-p > div.tips > uni-text.text-#FF3342 > span |
These are opportunities to improve the legibility of your content.
Names and labels
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.login-wrapper > div.shading > uni-image > img div.login-wrapper > div.shading > uni-image > img |
Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.acea-row > uni-input > div.uni-input-wrapper > input.uni-input-input div.acea-row > uni-input > div.uni-input-wrapper > input.uni-input-input |
div.acea-row > uni-input.codeIput > div.uni-input-wrapper > input.uni-input-input div.acea-row > uni-input.codeIput > div.uni-input-wrapper > input.uni-input-input |
The title gives screen reader users an overview of the page, and search engine users rely on it heavily to determine if a page is relevant to their search. Learn more about document titles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Internationalization and localization
Specifying a valid BCP 47 language helps screen readers announce text properly. Learn how to use the `lang` attribute.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
These are opportunities to improve the interpretation of your content by users in different locales.
Best practices
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
Informational: a Permissions-Policy directive showing feature -> allowed origins.
Source: MDN Permissions-Policy
| Failing Elements |
|---|
head > meta head > meta |
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
These items highlight common accessibility best practices.
Best Practices
General
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.
Performance issues directly impact user engagement and conversion rates.
SEO
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.
Content Best Practices
The title gives screen reader users an overview of the page, and search engine users rely on it heavily to determine if a page is relevant to their search. Learn more about document titles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Performance issues directly impact user engagement and conversion rates.
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.login-wrapper > div.shading > uni-image > img div.login-wrapper > div.shading > uni-image > img |
Format your HTML in a way that enables crawlers to better understand your app’s content.