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zaojiatong.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

zaojiatong.com

建筑资讯网ZaoJiaTong.Com_永远以提供国内外最新、最好、最快的建筑资讯为目标（建筑资讯网）

Page Load Speed

3.7 sec in total

First Response

1 sec

Resources Loaded

2.5 sec

Page Rendered

160 ms

zaojiatong.com screenshot

About Website

Welcome to zaojiatong.com homepage info - get ready to check Zaojiatong best content right away, or after learning these important things about zaojiatong.com

建筑资讯网ZaoJiaTong.Com永远以提供国内外最新、最好、最快的建筑资讯为目标。建筑资讯网致力于建筑信息的整合与交流，借助于广泛的信息资源和专业的制作队伍，力图在业内提供个性化的信息服务和资料检

Visit zaojiatong.com

Key Findings

We analyzed Zaojiatong.com page load time and found that the first response time was 1 sec and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zaojiatong.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

zaojiatong.com

1019 ms

ningmp.css

483 ms

oask.asp

761 ms

1-22041H15R42W.jpg

725 ms

so.gif

504 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 73% of them (11 requests) were addressed to the original Zaojiatong.com, 13% (2 requests) were made to A125.com and 7% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Zaojiatong.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.2 kB (27%)

Content Size

195.7 kB

After Optimization

143.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zaojiatong.com main page is 195.7 kB. 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 157.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.0 kB

  • Original 22.6 kB
  • After minification 22.3 kB
  • After compression 6.6 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 16.0 kB or 71% of the original size.

Image Optimization

-22%

Potential reduce by 35.1 kB

  • Original 157.6 kB
  • After minification 122.4 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, Zaojiatong needs image optimization as it can save up to 35.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 130 B

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 12.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-34%

Potential reduce by 931 B

  • Original 2.7 kB
  • After minification 2.7 kB
  • After compression 1.8 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. Zaojiatong.com needs all CSS files to be minified and compressed as it can save up to 931 B or 34% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zaojiatong. According to our analytics all requests are already optimized.

Network Requests Diagram

zaojiatong.com

zaojiatong.com

1019 ms

ningmp.css

ningmp.css

483 ms

oask.asp

oask.asp

761 ms

1-22041H15R42W.jpg

1-22041H15R42W.jpg

725 ms

so.gif

so.gif

504 ms

ad_js.php

ad_js.php

743 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

5 ms

202241522543444910.png

202241522543444910.png

367 ms

gongan.png

gongan.png

979 ms

logo.png

logo.png

487 ms

1-22041H15512357.png

1-22041H15512357.png

1233 ms

0711k39.jpg

0711k39.jpg

487 ms

0711k41.gif

0711k41.gif

476 ms

xd.gif

xd.gif

240 ms

202241522543444910.png

202241522543444910.png

478 ms

Accessibility Review

zaojiatong.com accessibility score

41

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

zaojiatong.com 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zaojiatong.com SEO score

62

Search Engine Optimization Advices

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

High

Document uses plugins

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 Zaojiatong.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 Zaojiatong.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

zaojiatong.com

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