Tools & Wizards About Us
gbwindows.cn screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

gbwindows.cn

绿建资讯网_绿色建筑_绿色建筑咨询_绿色建筑软件_LEED认证_WELL认证_绿建设计评价软件_LEEDAP培训_绿色建材_绿建咨询_绿建之窗

Page Load Speed

41.2 sec in total

First Response

3.1 sec

Resources Loaded

36.8 sec

Page Rendered

1.3 sec

gbwindows.cn screenshot

About Website

Welcome to gbwindows.cn homepage info - get ready to check Gbwindows best content for China right away, or after learning these important things about gbwindows.cn

绿建之窗（www.gbwindows.org）是全方位服务于绿色建筑全产业链的综合服务平台。公司从绿色规划及系统集成、绿色建筑人才服务、绿色建筑项目咨询、绿色建筑合同能源管理、绿色建筑系列（绿色建筑设计评价软件及风、光、热、声物理模拟）软件、绿色建筑材料技术集成与应用、绿建机电顾问服务、绿色建筑市场与媒体推广等服务体系为房地产企业、设计单位、施工单位、建材设备商和广大绿色建筑爱好者搭建绿色建筑专业...

Visit gbwindows.cn

Key Findings

We analyzed Gbwindows.cn page load time and found that the first response time was 3.1 sec and then it took 38.1 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

gbwindows.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

gbwindows.cn

3072 ms

configJs.asp

811 ms

ads.js

2862 ms

style5.css

1169 ms

navMenu11.css

1077 ms

Our browser made a total of 216 requests to load all elements on the main page. We found that 52% of them (113 requests) were addressed to the original Gbwindows.cn, 4% (9 requests) were made to Tianqi.2345.com and 4% (9 requests) were made to Otcms.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source 10333.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 731.1 kB (24%)

Content Size

3.1 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gbwindows.cn main page is 3.1 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 91.1 kB

  • Original 113.1 kB
  • After minification 112.3 kB
  • After compression 22.1 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 91.1 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 136.5 kB

  • Original 2.3 MB
  • After minification 2.1 MB

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. Gbwindows images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 357.0 kB

  • Original 535.7 kB
  • After minification 519.9 kB
  • After compression 178.7 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 357.0 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 146.5 kB

  • Original 168.7 kB
  • After minification 159.5 kB
  • After compression 22.2 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. Gbwindows.cn needs all CSS files to be minified and compressed as it can save up to 146.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (26%)

Requests Now

208

After Optimization

154

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 208 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gbwindows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gbwindows.cn

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Accessibility Review

gbwindows.cn accessibility score

61

Accessibility Issues

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.

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

gbwindows.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

gbwindows.cn SEO score

84

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gbwindows.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 Gbwindows.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

gbwindows.cn

Open Graph description is not detected on the main page of Gbwindows. 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: