Tools & Wizards About Us
chinadbs.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

chinadbs.com

产品信息网

Page Load Speed

7.7 sec in total

First Response

1.5 sec

Resources Loaded

6.1 sec

Page Rendered

147 ms

chinadbs.com screenshot

About Website

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

Visit chinadbs.com

Key Findings

We analyzed Chinadbs.com page load time and found that the first response time was 1.5 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

chinadbs.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

chinadbs.com

1530 ms

style.css

669 ms

fun.js

1070 ms

bgleft.gif

335 ms

dot.gif

354 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Chinadbs.com and no external sources were called. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Chinadbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.9 kB (77%)

Content Size

42.9 kB

After Optimization

10.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Chinadbs.com main page is 42.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 30.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.2 kB

  • Original 30.9 kB
  • After minification 30.7 kB
  • After compression 6.8 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 24.2 kB or 78% of the original size.

JavaScript Optimization

-72%

Potential reduce by 6.3 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 2.4 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 6.3 kB or 72% of the original size.

CSS Optimization

-76%

Potential reduce by 2.5 kB

  • Original 3.2 kB
  • After minification 2.6 kB
  • After compression 785 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. Chinadbs.com needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinadbs. According to our analytics all requests are already optimized.

Network Requests Diagram

chinadbs.com

chinadbs.com

1530 ms

style.css

style.css

669 ms

fun.js

fun.js

1070 ms

bgleft.gif

bgleft.gif

335 ms

dot.gif

dot.gif

354 ms

logo.gif

logo.gif

3751 ms

border.gif

border.gif

658 ms

right.gif

right.gif

1448 ms

left.gif

left.gif

661 ms

zhaoshb.gif

zhaoshb.gif

1310 ms

Accessibility Review

chinadbs.com accessibility score

42

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.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Best Practices

chinadbs.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chinadbs.com SEO score

50

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

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 Chinadbs.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 Chinadbs.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

chinadbs.com

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