Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

dezhitang.com

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Page Load Speed

35.1 sec in total

First Response

5.1 sec

Resources Loaded

29.6 sec

Page Rendered

342 ms

About Website

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

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Visit dezhitang.com

Key Findings

We analyzed Dezhitang.com page load time and found that the first response time was 5.1 sec and then it took 30 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

dezhitang.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

dezhitang.com

5144 ms

css.css

908 ms

zong.css

921 ms

AC_RunActiveContent.js

3382 ms

tanchu.js

2410 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 59% of them (51 requests) were addressed to the original Dezhitang.com, 9% (8 requests) were made to Lxbjs.baidu.com and 7% (6 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Dezhitang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.9 kB (36%)

Content Size

434.1 kB

After Optimization

278.2 kB

In fact, the total size of Dezhitang.com main page is 434.1 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. 25% of websites need less resources to load. Images take 245.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 91.7 kB

  • Original 110.9 kB
  • After minification 108.9 kB
  • After compression 19.3 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. 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 91.7 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 10.1 kB

  • Original 245.6 kB
  • After minification 235.5 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. Dezhitang images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 29.7 kB

  • Original 46.1 kB
  • After minification 42.1 kB
  • After compression 16.3 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 29.7 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 24.4 kB

  • Original 31.5 kB
  • After minification 23.0 kB
  • After compression 7.1 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. Dezhitang.com needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (43%)

Requests Now

84

After Optimization

48

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dezhitang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dezhitang.com accessibility score

50

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.

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

Links do not have a discernible name

High

<object> elements do not have alternate text

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

dezhitang.com 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

SEO Factors

dezhitang.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dezhitang.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 Dezhitang.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

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