Tools & Wizards About Us
kejian369.net screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kejian369.net

课件369,2025年一级建造师,2025二级建造师,2025年造价工程师,2025年监理工程师,2025年消防工程师,课件免费下载！

Page Load Speed

16.1 sec in total

First Response

4.2 sec

Resources Loaded

11.2 sec

Page Rendered

585 ms

kejian369.net screenshot

About Website

Click here to check amazing Kejian 369 content for China. Otherwise, check out these important facts you probably never knew about kejian369.net

课件369的初衷就是：2025一级建造师、二级建造师、一级造价师、监理工程师、消防工程师资料有序分类，各个专业都有做工程考试的垂直搜索网站，只要你来到课件369，不用再东奔西走，所有资料都能找到。

Visit kejian369.net

Key Findings

We analyzed Kejian369.net page load time and found that the first response time was 4.2 sec and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kejian369.net performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

kejian369.net

4238 ms

common.css

1703 ms

liucheng.css

499 ms

amp-ad-0.1.js

29 ms

vip.css

743 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 84% of them (32 requests) were addressed to the original Kejian369.net, 5% (2 requests) were made to Sdk.51.la and 3% (1 request) were made to Cdn.ampproject.org. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Kejian369.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 588.3 kB (51%)

Content Size

1.2 MB

After Optimization

568.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kejian369.net 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. 30% of websites need less resources to load. Javascripts take 596.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 68.5 kB

  • Original 79.8 kB
  • After minification 53.5 kB
  • After compression 11.3 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 26.3 kB, which is 33% 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 68.5 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 27.9 kB

  • Original 306.7 kB
  • After minification 278.8 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. Kejian 369 images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 357.4 kB

  • Original 596.2 kB
  • After minification 595.5 kB
  • After compression 238.9 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 357.4 kB or 60% of the original size.

CSS Optimization

-77%

Potential reduce by 134.5 kB

  • Original 174.4 kB
  • After minification 151.6 kB
  • After compression 39.9 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. Kejian369.net needs all CSS files to be minified and compressed as it can save up to 134.5 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kejian 369. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kejian369.net

kejian369.net

4238 ms

common.css

common.css

1703 ms

liucheng.css

liucheng.css

499 ms

amp-ad-0.1.js

amp-ad-0.1.js

29 ms

vip.css

vip.css

743 ms

dedeajax2.js

dedeajax2.js

770 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

14 ms

jquery.min.js

jquery.min.js

4200 ms

jquery.cookie.js

jquery.cookie.js

739 ms

layui.css

layui.css

49 ms

zhengli.css

zhengli.css

995 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

3480 ms

login.css

login.css

1244 ms

4099187.js

4099187.js

320 ms

js-sdk-perf.min.js

js-sdk-perf.min.js

18 ms

jquery.min.js

jquery.min.js

3648 ms

clipboard.min.js

clipboard.min.js

761 ms

xfoot.js

xfoot.js

1009 ms

xfoot.css

xfoot.css

1245 ms

one.js

one.js

4318 ms

qq.css

qq.css

1459 ms

jquery-1.7.min.js

jquery-1.7.min.js

4317 ms

collect

collect

574 ms

logo.svg

logo.svg

588 ms

dkdnf.png

dkdnf.png

596 ms

foucs.gif

foucs.gif

598 ms

elm.jpg

elm.jpg

3182 ms

20230117232443.jpg

20230117232443.jpg

598 ms

10806418.gif

10806418.gif

2216 ms

xico1.png

xico1.png

596 ms

xico2.png

xico2.png

597 ms

xico3.png

xico3.png

755 ms

xico4.png

xico4.png

792 ms

erweima.png

erweima.png

2218 ms

erweima.png

erweima.png

2218 ms

top_bg.gif

top_bg.gif

2186 ms

comm-bt.gif

comm-bt.gif

2187 ms

fixCont.png

fixCont.png

1427 ms

Accessibility Review

kejian369.net 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

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

kejian369.net 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

High

Page has valid source maps

SEO Factors

kejian369.net SEO score

83

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 Kejian369.net 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 Kejian369.net 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

kejian369.net

Open Graph description is not detected on the main page of Kejian 369. 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: