Prcs.org.cn Site Title
没有找到站点
Prcs.org.cn Test Results
Prcs.org.cn Mobile Performance: 62/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce unused JavaScript
Potential savings of 267 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Reduce unused CSS
Potential savings of 125 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Serve images in next-gen formats
Potential savings of 23 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.
Avoid multiple page redirects
Potential savings of 980 ms
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Largest Contentful Paint element
5,000 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Eliminate render-blocking resources
Potential savings of 3,380 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.
Serve static assets with an efficient cache policy
11 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Image elements do not have explicit `width` and `height`
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
First Meaningful Paint
4.7 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Max Potential First Input Delay
270 ms
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.
Time to Interactive
4.9 s
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.
Prcs.org.cn Mobile SEO: 73/100
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 about the `alt` attribute.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description. Description text is empty.
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 how to make links crawlable
Prcs.org.cn Mobile Best Practices: 69/100
Quick overview:
User Experience
Displays images with incorrect aspect ratio
Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.
Serves images with low resolution
Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.
Trust and Safety
Does not use HTTPS
17 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 served over 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 about HTTPS.
Does not redirect HTTP traffic to HTTPS
Make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. 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 about this errors in console diagnostic audit
Missing source maps for large first-party JavaScript
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.
Prcs.org.cn Mobile Accessibility: 67/100
Quick overview:
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.
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 how to make links accessible.
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 about the `alt` attribute.
Best practices
These items highlight common accessibility best practices.
Touch targets do not have sufficient size or spacing.
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
`[role]` values are not valid
ARIA roles must have valid values in order to perform their intended accessibility functions. Learn more about valid ARIA roles.
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 how to provide sufficient color contrast.
Similar sites
Similar tests
www.prcs.com
www.prcs.net
www.prcs.org
www.prcs.info
www.prcs.biz
www.prcs.us
www.prcs.mobi
www.rcs.org.cn
www.prcs.org.cn
www.orcs.org.cn
www.porcs.org.cn
www.oprcs.org.cn
www.lrcs.org.cn
www.plrcs.org.cn
www.lprcs.org.cn
www.pcs.org.cn
www.pecs.org.cn
www.precs.org.cn
www.percs.org.cn
www.pdcs.org.cn
www.prdcs.org.cn
www.pdrcs.org.cn
www.pfcs.org.cn
www.prfcs.org.cn
www.pfrcs.org.cn
www.ptcs.org.cn
www.prtcs.org.cn
www.ptrcs.org.cn
www.prs.org.cn
www.prxs.org.cn
www.prcxs.org.cn
www.prxcs.org.cn
www.prds.org.cn
www.prcds.org.cn
www.prfs.org.cn
www.prcfs.org.cn
www.prvs.org.cn
www.prcvs.org.cn
www.prvcs.org.cn
www.prc.org.cn
www.prcw.org.cn
www.prcsw.org.cn
www.prcws.org.cn
www.prce.org.cn
www.prcse.org.cn
www.prces.org.cn
www.prcd.org.cn
www.prcsd.org.cn
www.prcz.org.cn
www.prcsz.org.cn
www.prczs.org.cn
www.prcx.org.cn
www.prcsx.org.cn
www.prca.org.cn
www.prcsa.org.cn
www.prcas.org.cn
www.prcs.net
www.prcs.org
www.prcs.info
www.prcs.biz
www.prcs.us
www.prcs.mobi
www.rcs.org.cn
www.prcs.org.cn
www.orcs.org.cn
www.porcs.org.cn
www.oprcs.org.cn
www.lrcs.org.cn
www.plrcs.org.cn
www.lprcs.org.cn
www.pcs.org.cn
www.pecs.org.cn
www.precs.org.cn
www.percs.org.cn
www.pdcs.org.cn
www.prdcs.org.cn
www.pdrcs.org.cn
www.pfcs.org.cn
www.prfcs.org.cn
www.pfrcs.org.cn
www.ptcs.org.cn
www.prtcs.org.cn
www.ptrcs.org.cn
www.prs.org.cn
www.prxs.org.cn
www.prcxs.org.cn
www.prxcs.org.cn
www.prds.org.cn
www.prcds.org.cn
www.prfs.org.cn
www.prcfs.org.cn
www.prvs.org.cn
www.prcvs.org.cn
www.prvcs.org.cn
www.prc.org.cn
www.prcw.org.cn
www.prcsw.org.cn
www.prcws.org.cn
www.prce.org.cn
www.prcse.org.cn
www.prces.org.cn
www.prcd.org.cn
www.prcsd.org.cn
www.prcz.org.cn
www.prcsz.org.cn
www.prczs.org.cn
www.prcx.org.cn
www.prcsx.org.cn
www.prca.org.cn
www.prcsa.org.cn
www.prcas.org.cn