Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dict.cn

海词词典_在线词典_在线翻译_海量正版权威词典官方网站

Page Load Speed

2.3 sec in total

First Response

301 ms

Resources Loaded

1.8 sec

Page Rendered

199 ms

dict.cn screenshot

About Website

Welcome to dict.cn homepage info - get ready to check Dict best content for China right away, or after learning these important things about dict.cn

海词词典是中国第一个在线词典,海量权威词典官方网站。独有2000万词汇,配释义饼图、精细讲解、优质例句,专业提供60个行业11个语种的在线词典和在线翻译服务。

Visit dict.cn

Key Findings

We analyzed Dict.cn page load time and found that the first response time was 301 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dict.cn performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

dict.cn

301 ms

base.min.css

365 ms

obase.min.css

439 ms

jquery-1.8.0.min.js

526 ms

hc.min.js

515 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Dict.cn, 55% (16 requests) were made to I1.haidii.com and 7% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (648 ms) relates to the external source Cdn.d-adasia.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.4 kB (29%)

Content Size

131.3 kB

After Optimization

93.8 kB

In fact, the total size of Dict.cn main page is 131.3 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. 45% of websites need less resources to load. Images take 57.0 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 10.2 kB

  • Original 16.3 kB
  • After minification 15.8 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 10.2 kB or 62% of the original size.

Image Optimization

-46%

Potential reduce by 26.0 kB

  • Original 57.0 kB
  • After minification 31.0 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, Dict needs image optimization as it can save up to 26.0 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 1.0 kB

  • Original 40.4 kB
  • After minification 40.3 kB
  • After compression 39.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 205 B

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 17.4 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. Dict.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (57%)

Requests Now

28

After Optimization

12

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dict. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dict.cn accessibility score

68

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

High

Links do not have a discernible name

Best Practices

dict.cn 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

dict.cn SEO score

71

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dict.cn 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 Dict.cn 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 Dict. 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: