https://renren.com
Lighthouse Mobile
· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.SCORE
0
GRADE
FIX
0
REVIEW
0
PASS
0
INFO
0
Detailed Report
Audit breakdown by category with detailed findings.
100
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Why this matters
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
Why this matters
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.
Why this matters
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Request | Cache TTL | Transfer Size |
|---|---|---|
| renren.com/img/background.png | 0.0 ms | 838.1 KiB |
| renren.com/img/notice2.png | 0.0 ms | 158.1 KiB |
| renren.com/img/header.png | 0.0 ms | 6.1 KiB |
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
body > div.img body > div.img | renren.com/img/background.png | 837.0 KiB | 499.5 KiB |
人人网 div.h5 > div.container > div.content > img | renren.com/img/header.png | 6.0 KiB | 5.1 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Diagnostics
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
人人网 div.h5 > div.container > div.content > img | renren.com/img/header.png |
More information about the performance of your application. These numbers don't directly affect the Performance score.
●Layout shift culprits
●Document request latency
●Optimize DOM size
●Font display
●Forced reflow
●LCP breakdown
●Modern HTTP
●Network dependency tree
●Render blocking requests
●Optimize viewport for mobile
●Time to Interactive 0.8 s
●Max Potential First Input Delay 20 ms
●Minify CSS
●Minify JavaScript
●Reduce unused CSS
●Reduce unused JavaScript
●Avoids enormous network payloads Total size was 1,006 KiB
●JavaScript execution time 0.0 s
●Minimizes main-thread work 0.2 s
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 210 ms
●Server Backend Latencies 10 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Avoid multiple page redirects
●Initial server response time was short Root document took 210 ms
●Avoid large layout shifts 1 layout shift found
○INP breakdown
○LCP request discovery
○User Timing marks and measures
○Avoid long main-thread tasks
○Avoid non-composited animations
100
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.
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●Image elements have `[alt]` attributes
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links have a discernible name
●Touch targets have sufficient size and spacing.
●Document has a main landmark.
●The page contains a heading, skip link, or landmark region
○`[accesskey]` values are unique
○`[aria-*]` attributes match their roles
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA attributes are used as specified for the element's role
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements use only permitted ARIA attributes
○`[role]`s have all required `[aria-*]` attributes
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○`[role]` values are valid
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○`[aria-*]` attributes have valid values
○`[aria-*]` attributes are valid and not misspelled
○Buttons have an accessible name
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○Heading elements appear in a sequentially-descending order
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○Links are distinguishable without relying on color.
○Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
○List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○No element has a `[tabindex]` value greater than 0
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Identical links have the same purpose.
○Elements with visible text labels have matching accessible names.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
100
Best Practices
●Uses HTTPS
●Avoids deprecated APIs
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No browser errors logged to the console
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Detected JavaScript libraries
83
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
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Line # | Content | Error |
|---|---|---|
| 1 | <!DOCTYPE html> | Syntax not understood |
| 2 | <html lang="en"> | Syntax not understood |
| 4 | <head> | Syntax not understood |
| 5 | <meta charset="UTF-8"> | Syntax not understood |
| 6 | <meta name="viewport" content="width=device-width, initial-scale=1.0"> | Syntax not understood |
| 7 | <title>人人网</title> | Syntax not understood |
| 8 | <style> | Syntax not understood |
| 9 | html,body { | Syntax not understood |
| 10 | height: 100%; | Unknown directive |
| 11 | width: 100%; | Unknown directive |
| 12 | margin: 0; | Unknown directive |
| 13 | padding: 0; | Unknown directive |
| 14 | } | Syntax not understood |
| 15 | body { | Syntax not understood |
| 16 | position: relative; | Unknown directive |
| 17 | } | Syntax not understood |
| 18 | .img{ | Syntax not understood |
| 19 | width: 100%; | Unknown directive |
| 20 | height: 100%; | Unknown directive |
| 21 | background: url('./img/background.png') no-repeat; | Unknown directive |
| 22 | overflow: hidden; | Unknown directive |
| 23 | position: absolute; | Unknown directive |
| 24 | z-index: 1; | Unknown directive |
| 25 | top: 0; | Unknown directive |
| 26 | left: 0; | Unknown directive |
| 27 | } | Syntax not understood |
| 28 | .box{ | Syntax not understood |
| 29 | width: 100%; | Unknown directive |
| 30 | height: 100%; | Unknown directive |
| 31 | position: relative; | Unknown directive |
| 32 | z-index: 100; | Unknown directive |
| 33 | } | Syntax not understood |
| 34 | .pc{ | Syntax not understood |
| 35 | width: 100%; | Unknown directive |
| 36 | height: 100%; | Unknown directive |
| 37 | display: flex; | Unknown directive |
| 38 | justify-content: center; | Unknown directive |
| 39 | align-items: center; | Unknown directive |
| 40 | flex-flow: column; | Unknown directive |
| 41 | } | Syntax not understood |
| 42 | .h5{ | Syntax not understood |
| 43 | display: none; | Unknown directive |
| 44 | } | Syntax not understood |
| 45 | .pc-img{ | Syntax not understood |
| 46 | width: 100%; | Unknown directive |
| 47 | height: calc(100% - 100px); | Unknown directive |
| 48 | overflow: hidden; | Unknown directive |
| 49 | } | Syntax not understood |
| 50 | .pc-img img{ | Syntax not understood |
| 51 | max-width: 100%; | Unknown directive |
| 52 | } | Syntax not understood |
| 53 | .text { | Syntax not understood |
| 54 | font-size: 12px; | Unknown directive |
| 55 | display: flex; | Unknown directive |
| 56 | align-items: center; | Unknown directive |
| 57 | justify-content: center; | Unknown directive |
| 58 | flex-flow: column; | Unknown directive |
| 59 | height: 100px; | Unknown directive |
| 60 | color: hsl(0deg 0% 100% / 50%); | Unknown directive |
| 61 | } | Syntax not understood |
| 62 | .text a{ | Syntax not understood |
| 63 | color: hsl(0deg 0% 100% / 50%); | Unknown directive |
| 64 | } | Syntax not understood |
| 65 | .a1 { | Syntax not understood |
| 66 | display: flex; | Unknown directive |
| 67 | margin-top: 2px; | Unknown directive |
| 68 | } | Syntax not understood |
| 69 | .a2 { | Syntax not understood |
| 70 | margin-right: 20px; | Unknown directive |
| 71 | } | Syntax not understood |
| 72 | .a3 { | Syntax not understood |
| 73 | margin-right: 10px; | Unknown directive |
| 74 | } | Syntax not understood |
| 75 | .a4 { | Syntax not understood |
| 76 | justify-content: space-between; | Unknown directive |
| 77 | min-width: 400px; | Unknown directive |
| 78 | } | Syntax not understood |
| 80 | @media screen and (max-width: 500px) { | Unknown directive |
| 81 | .img{ | Syntax not understood |
| 82 | overflow: hidden; | Unknown directive |
| 83 | position: absolute; | Unknown directive |
| 84 | z-index: 1; | Unknown directive |
| 85 | top: 0; | Unknown directive |
| 86 | left: 0; | Unknown directive |
| 87 | } | Syntax not understood |
| 88 | .pc{ | Syntax not understood |
| 89 | display: none; | Unknown directive |
| 90 | } | Syntax not understood |
| 91 | .h5{ | Syntax not understood |
| 92 | display: block; | Unknown directive |
| 93 | position: relative; | Unknown directive |
| 94 | height: 100%; | Unknown directive |
| 95 | width: 100%; | Unknown directive |
| 96 | display: flex; | Unknown directive |
| 97 | justify-content: center; | Unknown directive |
| 98 | align-items: center; | Unknown directive |
| 99 | flex-flow: column; | Unknown directive |
| 100 | } | Syntax not understood |
| 102 | .container{ | Syntax not understood |
| 103 | position: absolute; | Unknown directive |
| 104 | bottom: 109px; | Unknown directive |
| 105 | width: calc(90%); | Unknown directive |
| 106 | margin: 0 auto; | Unknown directive |
| 107 | height: calc(100% - 120px); | Unknown directive |
| 108 | display: flex; | Unknown directive |
| 109 | justify-content: center; | Unknown directive |
| 110 | align-items: center; | Unknown directive |
| 111 | } | Syntax not understood |
| 112 | .container .content{ | Syntax not understood |
| 113 | background: #fff; | Unknown directive |
| 114 | border-radius: 8px; | Unknown directive |
| 115 | padding: 10px 20px; | Unknown directive |
| 116 | display: flex; | Unknown directive |
| 117 | justify-content: center; | Unknown directive |
| 118 | flex-flow: column; | Unknown directive |
| 119 | } | Syntax not understood |
| 120 | .container .content img{ | Syntax not understood |
| 121 | max-width: 80px; | Unknown directive |
| 122 | } | Syntax not understood |
| 123 | .container .content p{ | Syntax not understood |
| 124 | font-size: 14px; | Unknown directive |
| 125 | margin: 0; | Unknown directive |
| 126 | margin-top: 13px; | Unknown directive |
| 127 | } | Syntax not understood |
| 128 | .icp{ | Syntax not understood |
| 129 | width: calc(90%); | Unknown directive |
| 130 | margin: 0 auto; | Unknown directive |
| 131 | font-size: 12px; | Unknown directive |
| 132 | color: hsl(0deg 0% 100% / 50%); | Unknown directive |
| 133 | position: absolute; | Unknown directive |
| 134 | bottom: 20px; | Unknown directive |
| 135 | padding: 10px 0; | Unknown directive |
| 136 | } | Syntax not understood |
| 137 | .icp p{ | Syntax not understood |
| 138 | margin: 0; | Unknown directive |
| 139 | } | Syntax not understood |
| 140 | .icp a{ | Syntax not understood |
| 141 | color: hsl(0deg 0% 100% / 50%); | Unknown directive |
| 142 | } | Syntax not understood |
| 143 | .h5-a1{ | Syntax not understood |
| 144 | display: flex; | Unknown directive |
| 145 | justify-content: center; | Unknown directive |
| 146 | margin-top: 3px; | Unknown directive |
| 147 | } | Syntax not understood |
| 148 | .h5-a1 div{ | Syntax not understood |
| 149 | width: 50%; | Unknown directive |
| 150 | } | Syntax not understood |
| 151 | .h5-a2{ | Syntax not understood |
| 152 | margin-top: 3px; | Unknown directive |
| 153 | display: flex; | Unknown directive |
| 154 | } | Syntax not understood |
| 155 | .h5-a3{ | Syntax not understood |
| 156 | justify-content: space-between; | Unknown directive |
| 157 | } | Syntax not understood |
| 158 | .h5-a4{ | Syntax not understood |
| 159 | display: flex; | Unknown directive |
| 160 | margin-top: 3px; | Unknown directive |
| 161 | } | Syntax not understood |
| 162 | } | Syntax not understood |
| 163 | </style> | Syntax not understood |
| 164 | </head> | Syntax not understood |
| 166 | <body> | Syntax not understood |
| 167 | <div class="img"></div> | Syntax not understood |
| 168 | <div class="box"> | Syntax not understood |
| 169 | <div class="pc"> | Syntax not understood |
| 170 | <div class="pc-img"> | Syntax not understood |
| 171 | <img src="./img/notice2.png" alt=""> | Syntax not understood |
| 172 | </div> | Syntax not understood |
| 173 | <div class="text"> | Syntax not understood |
| 174 | <div class="a1"> | Syntax not understood |
| 175 | <div class="a2">公司全称：成都人人互娱科技有限公司 </div> | Syntax not understood |
| 176 | </div> | Syntax not understood |
| 177 | <div class="a1 a4"> | Syntax not understood |
| 178 | <div>违法信息不良举报电话：010-87538607</div> | Syntax not understood |
| 179 | <div>邮箱：jubao@infinities.com.cn</div> | Syntax not understood |
| 180 | </div> | Syntax not understood |
| 181 | <div class="a1"> | Syntax not understood |
| 182 | <a class="a3" href="https://beian.miit.gov.cn/" target="_blank" data-v-ae6a3fd4="">蜀ICP备2021009929号-11</a> | Unknown directive |
| 183 | </div> | Syntax not understood |
| 184 | <div>人人网©2025</div> | Syntax not understood |
| 185 | </div> | Syntax not understood |
| 186 | </div> | Syntax not understood |
| 187 | <div class="h5"> | Syntax not understood |
| 188 | <div class="container"> | Syntax not understood |
| 189 | <div class="content"> | Syntax not understood |
| 190 | <img src="./img/header.png" alt="人人网"/> | Syntax not understood |
| 191 | <p style="font-weight: bold;font-size: 16px;margin-top: 20px;">人人网服务升级公告</p> | Unknown directive |
| 192 | <p>亲爱的人人网用户们，</p> | Syntax not understood |
| 193 | <p>感谢您一直以来的陪伴与支持!我们想告诉您，人人网正在进行一次“换车”升级--就像您的燃油车开了多年，也想试试新能源车一样。</p> | Syntax not understood |
| 194 | <p>在这期间，您在人人网上的所有数据都得到了严格的保护，确保您的个人信息和隐私安全不受任何威胁。您的数据安全，对我们来说至关重要。</p> | Syntax not understood |
| 195 | <p>请耐心等待我们的“新车”上路，届时您将享受到更加稳定安全、丰富的社交体验，让我们共同期待人人网的全新启程!</p> | Syntax not understood |
| 196 | <p>此致!</p> | Syntax not understood |
| 197 | <p style="margin-bottom: 0;font-weight: bold;">人人网团队</p> | Unknown directive |
| 198 | <p style="margin: 0;font-weight: bold;">2024年12月2日</p> | Unknown directive |
| 199 | </div> | Syntax not understood |
| 200 | </div> | Syntax not understood |
| 201 | <div class="icp"> | Syntax not understood |
| 202 | <div class="h5-a1">公司全称：成都人人互娱科技有限公司</div> | Syntax not understood |
| 203 | <div class="h5-a1">违法信息不良举报电话：010-87538607</div> | Syntax not understood |
| 204 | <div class="h5-a1">邮箱：jubao@infinities.com.cn</div> | Syntax not understood |
| 205 | <div class="h5-a1"> | Syntax not understood |
| 206 | <div><a href="https://beian.miit.gov.cn/" target="_blank" data-v-ae6a3fd4="">蜀ICP备2021009929号-11</a></div> | Unknown directive |
| 207 | </div> | Syntax not understood |
| 208 | <div class="h5-a1">人人网©2025</div> | Syntax not understood |
| 209 | </div> | Syntax not understood |
| 210 | </div> | Syntax not understood |
| 215 | </div> | Syntax not understood |
| 217 | </body> | Syntax not understood |
| 219 | </html> | Syntax not understood |
To appear in search results, crawlers need access to your app.
○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Page has successful HTTP status code
●Links have descriptive text
●Links are crawlable
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`