Tools & Wizards About Us
zhktb.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

zhktb.com

环氧漆|环氧煤沥青漆——中康泰博环氧漆厂家销售官网

Page Load Speed

14.1 sec in total

First Response

2.8 sec

Resources Loaded

10.9 sec

Page Rendered

377 ms

zhktb.com screenshot

About Website

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

如果您对环氧漆与环氧煤沥青漆用途、价格、施工方法等信息想要了解，可以咨询我们——中康泰博环氧漆，欢迎选购。

Visit zhktb.com

Key Findings

We analyzed Zhktb.com page load time and found that the first response time was 2.8 sec and then it took 11.3 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

zhktb.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

zhktb.com

2804 ms

css2.css

660 ms

top1.jpg

2262 ms

stat.php

1413 ms

stat.php

2164 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 68% of them (34 requests) were addressed to the original Zhktb.com, 4% (2 requests) were made to Oz.cnzz.com and 4% (2 requests) were made to C.cnzz.com. The less responsive or slowest element that took the longest time to load (7.7 sec) belongs to the original domain Zhktb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.0 kB (29%)

Content Size

335.8 kB

After Optimization

236.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhktb.com main page is 335.8 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. Only 10% of websites need less resources to load. Images take 266.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 40.6 kB

  • Original 46.7 kB
  • After minification 41.9 kB
  • After compression 6.1 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 40.6 kB or 87% of the original size.

Image Optimization

-16%

Potential reduce by 43.7 kB

  • Original 266.4 kB
  • After minification 222.7 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, Zhktb needs image optimization as it can save up to 43.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 13.7 kB

  • Original 21.4 kB
  • After minification 21.4 kB
  • After compression 7.7 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 13.7 kB or 64% of the original size.

CSS Optimization

-76%

Potential reduce by 986 B

  • Original 1.3 kB
  • After minification 1.0 kB
  • After compression 312 B

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. Zhktb.com needs all CSS files to be minified and compressed as it can save up to 986 B or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (94%)

Requests Now

47

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhktb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhktb.com

zhktb.com

2804 ms

css2.css

css2.css

660 ms

top1.jpg

top1.jpg

2262 ms

stat.php

stat.php

1413 ms

stat.php

stat.php

2164 ms

pingan.gif

pingan.gif

7726 ms

bg.jpg

bg.jpg

221 ms

dao_r2_c19.jpg

dao_r2_c19.jpg

686 ms

m1.jpg

m1.jpg

653 ms

m2.jpg

m2.jpg

909 ms

id_icon1.gif

id_icon1.gif

444 ms

diann.jpg

diann.jpg

430 ms

jc.jpg

jc.jpg

1117 ms

m5.jpg

m5.jpg

947 ms

m1di.jpg

m1di.jpg

877 ms

m2di.jpg

m2di.jpg

902 ms

m3.jpg

m3.jpg

1340 ms

ShowImg.Asp

ShowImg.Asp

1864 ms

ShowImg.Asp

ShowImg.Asp

4601 ms

ShowImg.Asp

ShowImg.Asp

2217 ms

ShowImg.Asp

ShowImg.Asp

1471 ms

ShowImg.Asp

ShowImg.Asp

2282 ms

ShowImg.Asp

ShowImg.Asp

1806 ms

ShowImg.Asp

ShowImg.Asp

1928 ms

ShowImg.Asp

ShowImg.Asp

2144 ms

ShowImg.Asp

ShowImg.Asp

2389 ms

ShowImg.Asp

ShowImg.Asp

2265 ms

ShowImg.Asp

ShowImg.Asp

2457 ms

ShowImg.Asp

ShowImg.Asp

2726 ms

ShowImg.Asp

ShowImg.Asp

2670 ms

ShowImg.Asp

ShowImg.Asp

3009 ms

ShowImg.Asp

ShowImg.Asp

2895 ms

m3di.jpg

m3di.jpg

2695 ms

m1bg.jpg

m1bg.jpg

2840 ms

m2bg.jpg

m2bg.jpg

2848 ms

m3bg.jpg

m3bg.jpg

2890 ms

stat.htm

stat.htm

252 ms

core.php

core.php

943 ms

9.gif

9.gif

2418 ms

pic.gif

pic.gif

765 ms

hm.js

hm.js

958 ms

stat.htm

stat.htm

167 ms

core.php

core.php

468 ms

9.gif

9.gif

2578 ms

pic1.gif

pic1.gif

971 ms

hm.gif

hm.gif

344 ms

b.js

b.js

1271 ms

bsl.js

bsl.js

3522 ms

app.gif

app.gif

1869 ms

app.gif

app.gif

1621 ms

Accessibility Review

zhktb.com accessibility score

79

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

Links do not have a discernible name

Best Practices

zhktb.com best practices score

50

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

zhktb.com SEO score

67

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

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 Zhktb.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 Zhktb.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

zhktb.com

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