Tools & Wizards About Us
jz.co188.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

jz.co188.com

建筑设计师网 - 帮助建筑设计师专业成长 - 土木在线

Page Load Speed

55.8 sec in total

First Response

5.2 sec

Resources Loaded

50.4 sec

Page Rendered

289 ms

jz.co188.com screenshot

About Website

Click here to check amazing Jz Co 188 content for China. Otherwise, check out these important facts you probably never knew about jz.co188.com

土木在线建筑频道专为建筑专业学生及建筑专业工程师打造，帮助建筑设计专业工程师成长，提供建筑设计专业需要的各种图纸,论文文档,专业设计工具软件下载，以及建筑专业技术交流、专业技术培训服务。

Visit jz.co188.com

Key Findings

We analyzed Jz.co188.com page load time and found that the first response time was 5.2 sec and then it took 50.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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

jz.co188.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

jz.co188.com

5154 ms

channel_index.css

5489 ms

m.js

1035 ms

channel_index.min.js

10946 ms

jquery.qrcode.js

786 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jz.co188.com, 54% (33 requests) were made to Image.co188.com and 23% (14 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.5 kB (35%)

Content Size

1.2 MB

After Optimization

784.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jz.co188.com 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. 20% of websites need less resources to load. Images take 725.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 117.5 kB

  • Original 134.0 kB
  • After minification 124.1 kB
  • After compression 16.5 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 117.5 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 73.0 kB

  • Original 725.3 kB
  • After minification 652.3 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. Jz Co 188 images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 199.4 kB

  • Original 305.1 kB
  • After minification 285.6 kB
  • After compression 105.8 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 199.4 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 38.7 kB

  • Original 48.2 kB
  • After minification 47.8 kB
  • After compression 9.5 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. Jz.co188.com needs all CSS files to be minified and compressed as it can save up to 38.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (37%)

Requests Now

46

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jz Co 188. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jz.co188.com

jz.co188.com

5154 ms

channel_index.css

channel_index.css

5489 ms

m.js

m.js

1035 ms

channel_index.min.js

channel_index.min.js

10946 ms

jquery.qrcode.js

jquery.qrcode.js

786 ms

qrcode.js

qrcode.js

1243 ms

hm.js

hm.js

20136 ms

logo.png

logo.png

1282 ms

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1284 ms

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1423 ms

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1422 ms

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2765 ms

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2586 ms

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2394 ms

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3697 ms

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2251 ms

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1968 ms

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6091 ms

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4393 ms

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6584 ms

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9615 ms

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3338 ms

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4829 ms

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7352 ms

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7122 ms

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7803 ms

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8411 ms

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7021 ms

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8920 ms

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8004 ms

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9310 ms

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10649 ms

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8440 ms

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13232 ms

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1426655702.jpg

9352 ms

1422417342.jpg

1422417342.jpg

10373 ms

logo2.png

logo2.png

11464 ms

vcfm

vcfm

1562 ms

vcfm

vcfm

19536 ms

index_sprite.png

index_sprite.png

16518 ms

vcfm

vcfm

779 ms

vcfm

vcfm

694 ms

vcfm

vcfm

722 ms

vcfm

vcfm

775 ms

vcfm

vcfm

897 ms

vcfm

vcfm

692 ms

vcfm

vcfm

1691 ms

vcfm

vcfm

680 ms

vcfm

vcfm

804 ms

vcfm

vcfm

723 ms

vcfm

vcfm

711 ms

common_sprite.png

common_sprite.png

9667 ms

share.css

share.css

453 ms

share.js

share.js

308 ms

cof_tracker.js

cof_tracker.js

303 ms

default.html

default.html

760 ms

log

log

1082 ms

o.htm

o.htm

723 ms

wh.js

wh.js

689 ms

ac.js

ac.js

506 ms

fp.htm

fp.htm

565 ms

Accessibility Review

jz.co188.com accessibility score

72

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.

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

Links do not have a discernible name

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

jz.co188.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jz.co188.com 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

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 Jz.co188.com 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 Jz.co188.com 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

jz.co188.com

Open Graph description is not detected on the main page of Jz Co 188. 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: