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verydz.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

verydz.com

Discuz! 专用主机服务_DZ动力_盛创互联_康盛世纪

Page Load Speed

9 sec in total

First Response

839 ms

Resources Loaded

8 sec

Page Rendered

147 ms

verydz.com screenshot

About Website

Click here to check amazing Verydz content for China. Otherwise, check out these important facts you probably never knew about verydz.com

DZ动力是目前国内最大的Discuz!专用主机提供商,也是Discuz!官方网站唯一指定的专用主机,完美支持Discuz!论坛,免费帮助安装。

Visit verydz.com

Key Findings

We analyzed Verydz.com page load time and found that the first response time was 839 ms and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

verydz.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

verydz.com

839 ms

www.verydz.com

1500 ms

base.css

1366 ms

basic_type.js

549 ms

common_form.js

822 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 88% of them (35 requests) were addressed to the original Verydz.com, 8% (3 requests) were made to Hm.baidu.com and 3% (1 request) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Verydz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.7 kB (57%)

Content Size

445.3 kB

After Optimization

189.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Verydz.com main page is 445.3 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. 20% of websites need less resources to load. Javascripts take 219.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 30.8 kB

  • Original 36.4 kB
  • After minification 22.9 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 13.6 kB, which is 37% 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 30.8 kB or 85% of the original size.

Image Optimization

-16%

Potential reduce by 22.3 kB

  • Original 136.9 kB
  • After minification 114.6 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, Verydz needs image optimization as it can save up to 22.3 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

-73%

Potential reduce by 159.4 kB

  • Original 219.7 kB
  • After minification 182.9 kB
  • After compression 60.3 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 159.4 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 43.3 kB

  • Original 52.3 kB
  • After minification 46.9 kB
  • After compression 9.0 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. Verydz.com needs all CSS files to be minified and compressed as it can save up to 43.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

38

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Verydz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

verydz.com

verydz.com

839 ms

www.verydz.com

www.verydz.com

1500 ms

base.css

base.css

1366 ms

basic_type.js

basic_type.js

549 ms

common_form.js

common_form.js

822 ms

common_prima.js

common_prima.js

552 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

2209 ms

common.js

common.js

1085 ms

index.js

index.js

1090 ms

jquery.slider.js

jquery.slider.js

1919 ms

wb.js

wb.js

1047 ms

analyzer.min.js

analyzer.min.js

1374 ms

customer_service.js

customer_service.js

1657 ms

progressbar.gif

progressbar.gif

281 ms

logo.png

logo.png

556 ms

3-0.jpg

3-0.jpg

1113 ms

web-icon_01.png

web-icon_01.png

562 ms

web-icon_02.png

web-icon_02.png

560 ms

web-icon_03.png

web-icon_03.png

561 ms

web-icon_04.png

web-icon_04.png

1111 ms

web-icon_05.png

web-icon_05.png

1111 ms

web-icon_06.png

web-icon_06.png

1113 ms

web-icon_07.png

web-icon_07.png

1115 ms

web-icon_08.png

web-icon_08.png

1547 ms

web-icon_09.png

web-icon_09.png

1657 ms

web-icon_10.png

web-icon_10.png

1660 ms

qrcode.png

qrcode.png

2186 ms

contact-weixin.png

contact-weixin.png

1658 ms

contact-sinaweibo.png

contact-sinaweibo.png

1661 ms

contact-tentactweibo.png

contact-tentactweibo.png

2074 ms

bot.jpg

bot.jpg

2182 ms

12321.jpg

12321.jpg

2441 ms

global-icon.png

global-icon.png

2181 ms

dm-select.png

dm-select.png

2168 ms

h.js

h.js

691 ms

hm.gif

hm.gif

347 ms

ico-customer-service.gif

ico-customer-service.gif

1842 ms

ico-customer-service.png

ico-customer-service.png

1949 ms

visit

visit

1000 ms

hm.gif

hm.gif

736 ms

Accessibility Review

verydz.com accessibility score

46

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

verydz.com best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

verydz.com SEO score

69

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

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 Verydz.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 Verydz.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

verydz.com

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