Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

sh-windows.cn

404 Not Found

Page Load Speed

85.2 sec in total

First Response

19.2 sec

Resources Loaded

65.1 sec

Page Rendered

840 ms

sh-windows.cn screenshot

About Website

Visit sh-windows.cn now to see the best up-to-date Sh Windows content for China and also check out these interesting facts you probably never knew about sh-windows.cn

16年上海网站制作经验,20人网站设计制作团队,上海网站设计制作第一品牌!!!上海网站设计制作知名公司,专注于技术开发,坚持原创设计,不抄袭,不模板,注重客户体验。

Visit sh-windows.cn

Key Findings

We analyzed Sh-windows.cn page load time and found that the first response time was 19.2 sec and then it took 66 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 54 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sh-windows.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

sh-windows.cn

19224 ms

style.css

11275 ms

jquery.min.js

19581 ms

uaredirect.js

1378 ms

stat.php

1204 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 72% of them (82 requests) were addressed to the original Sh-windows.cn, 23% (26 requests) were made to 365webcall.com and 1% (1 request) were made to S21.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Sh-windows.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.7 kB (33%)

Content Size

1.2 MB

After Optimization

815.5 kB

In fact, the total size of Sh-windows.cn main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 936.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.6 kB

  • Original 84.9 kB
  • After minification 68.5 kB
  • After compression 14.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 16.4 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 70.6 kB or 83% of the original size.

Image Optimization

-19%

Potential reduce by 176.2 kB

  • Original 936.7 kB
  • After minification 760.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Sh Windows needs image optimization as it can save up to 176.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 117.4 kB

  • Original 150.4 kB
  • After minification 146.9 kB
  • After compression 33.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 117.4 kB or 78% of the original size.

CSS Optimization

-79%

Potential reduce by 29.5 kB

  • Original 37.2 kB
  • After minification 36.5 kB
  • After compression 7.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sh-windows.cn needs all CSS files to be minified and compressed as it can save up to 29.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (51%)

Requests Now

57

After Optimization

28

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sh Windows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sh-windows.cn accessibility score

59

Accessibility Issues

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

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

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sh-windows.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sh-windows.cn SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sh-windows.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sh-windows.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Sh Windows. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: