www.gov.cn - 中国政府网_中央人民政府门户网站

Www.gov.cn Site Title

中国政府网_中央人民政府门户网站

Www.gov.cn Meta Description

中国政府网由国务院办公厅主办，中国政府网运行中心负责运行维护,是国务院和国务院各部门，以及各省、自治区、直辖市人民政府在国际互联网上发布政府信息和提供在线服务的综合平台,第一时间权威发布国务院重大决策部署和重要政策文件，国务院领导同志重要会议、考察、出访活动等政务信息，面向社会提供与政府业务相关的服务，建设基于互联网的政府与公众互动交流新渠道。

Www.gov.cn Test Results

Www.gov.cn Mobile Performance: 3/100

Quick overview:

Opportunities

These suggestions can help your page load faster. They don't directly affect the Performance score.

Preload key requests. Potential savings of 11,850 ms

Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load. Learn more.

Serve images in next-gen formats. Potential savings of 1,845 KiB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.

Efficiently encode images. Potential savings of 1,402 KiB

Optimized images load faster and consume less cellular data. Learn more.

Remove unused JavaScript. Potential savings of 512 KiB

Remove unused JavaScript to reduce bytes consumed by network activity. Learn more.

Enable text compression. Potential savings of 382 KiB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Eliminate render-blocking resources. Potential savings of 2,620 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

Properly size images. Potential savings of 435 KiB

Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Remove unused CSS. Potential savings of 70 KiB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.

Minify JavaScript. Potential savings of 38 KiB

Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.

Diagnostics

More information about the performance of your application. These numbers don't directly affect the Performance score.

Avoid `document.write()`

For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn more.

Ensure text remains visible during webfont load

Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.

Serve static assets with an efficient cache policy

121 resources found

A long cache lifetime can speed up repeat visits to your page. Learn more.

Does not use passive listeners to improve scrolling performance

Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more.

Minimize main-thread work

9.1 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more

Avoid enormous network payloads

Total size was 5,435 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn more.

Reduce JavaScript execution time

2.6 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.

Avoid an excessive DOM size

1,041 elements

A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn more.

Keep request counts low and transfer sizes small

157 requests • 5,435 KiB

To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Avoid chaining critical requests

45 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.

Avoid large layout shifts

5 elements found

These DOM elements contribute most to the CLS of the page.

Largest Contentful Paint element

1 element found

This is the largest contentful element painted within the viewport. Learn More

Avoid long main-thread tasks

19 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay. Learn more

Www.gov.cn Mobile SEO: 75/100

Quick overview:

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Image elements do not have `[alt]` attributes

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more.

Document does not have a meta description

Meta descriptions may be included in search results to concisely summarize page content. Learn more.

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn more.

Tap targets are not sized appropriately

81% appropriately sized tap targets

Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements. Learn more.

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Links are not crawlable

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn More

Www.gov.cn Mobile Best Practices: 62/100

Quick overview:

User Experience

Serves images with low resolution

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn more.

General

Browser errors were logged to the console

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more

Trust and Safety

Links to cross-origin destinations are unsafe

Add `rel="noopener"` or `rel="noreferrer"` to any external links to improve performance and prevent security vulnerabilities. Learn more.

Includes front-end JavaScript libraries with known security vulnerabilities

4 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers. Learn more.

Does not use HTTPS

126 insecure requests found

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being servedover HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more.

Www.gov.cn Mobile Progressive Web App: 18/100

Quick overview:

Fast and reliable

Current page does not respond with a 200 when offline

If you're building a Progressive Web App, consider using a service worker so that your app can work offline. Learn more.

Page load is not fast enough on mobile networks

Interactive at 14.9 s

A fast page load over a cellular network ensures a good mobile user experience. Learn more. Your page loads too slowly and is not interactive within 10 seconds. Look at the opportunities and diagnostics in the "Performance" section to learn how to improve.

`start_url` does not respond with a 200 when offline

A service worker enables your web app to be reliable in unpredictable network conditions. Learn more. No usable web app manifest found on page.

PWA Optimized

Manifest doesn't have a maskable icon

A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn more. No manifest was fetched

Is not configured for a custom splash screen

A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more. Failures: No manifest was fetched.

Does not set a theme color for the address bar.

The browser address bar can be themed to match your site. Learn more. Failures: No manifest was fetched, No `<meta name="theme-color">` tag found.

Does not redirect HTTP traffic to HTTPS

If you've already set up HTTPS, make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. Learn more.

Installable

Does not register a service worker that controls page and `start_url`

The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more.

Does not use HTTPS

126 insecure requests found

Web app manifest does not meet the installability requirements

Browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more. Failures: No manifest was fetched.

Www.gov.cn Mobile Accessibility: 34/100

Quick overview:

Navigation

These are opportunities to improve keyboard navigation in your application.

`[id]` attributes on active, focusable elements are not unique

All focusable elements must have a unique `id` to ensure that they're visible to assistive technologies. Learn more.

Names and labels

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.

Form elements do not have associated labels

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more.

Image elements do not have `[alt]` attributes

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more.

Buttons do not have an accessible name

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn more.

Links do not have a discernible name

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn more.

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.

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

`<html>` element does not have a `[lang]` attribute

If a page doesn't specify a lang attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more.

Contrast

These are opportunities to improve the legibility of your content.

Background and foreground colors do not have a sufficient contrast ratio.

Low-contrast text is difficult or impossible for many users to read. Learn more.

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