Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

yodao.com

网易有道

Page Load Speed

11 sec in total

First Response

966 ms

Resources Loaded

9.9 sec

Page Rendered

129 ms

yodao.com screenshot

About Website

Welcome to yodao.com homepage info - get ready to check Yodao best content for China right away, or after learning these important things about yodao.com

网易有道是中国领先的智能学习公司,致力于提供100%以用户为导向的学习产品和服务。有道成立于2006年,打造了一系列深受用户喜欢的口碑型大众学习工具产品,例如:网易有道词典、有道精品课、有道翻译官、有道云笔记等。2014年,网易有道宣布正式进军互联网教育行业。2018年4月,网易有道完成首次战略融资,投后估值11.2亿美金,跻身独角兽阵营。2019年10月,网易有道成功登陆纽交所,股票代码为“DA...

Visit yodao.com

Key Findings

We analyzed Yodao.com page load time and found that the first response time was 966 ms and then it took 10 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

yodao.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

yodao.com

966 ms

www.youdao.com

2096 ms

index_min.css

5383 ms

index_min.js

5124 ms

image

543 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Yodao.com, 62% (8 requests) were made to Shared.ydstatic.com and 8% (1 request) were made to Youdao.com. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Shared.ydstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.0 kB (39%)

Content Size

234.5 kB

After Optimization

143.5 kB

In fact, the total size of Yodao.com main page is 234.5 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. 15% of websites need less resources to load. Images take 112.8 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 6.8 kB

  • Original 10.6 kB
  • After minification 9.6 kB
  • After compression 3.8 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 6.8 kB or 64% of the original size.

Image Optimization

-9%

Potential reduce by 10.0 kB

  • Original 112.8 kB
  • After minification 102.8 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. Yodao images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 65.7 kB

  • Original 99.8 kB
  • After minification 99.8 kB
  • After compression 34.2 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 65.7 kB or 66% of the original size.

CSS Optimization

-75%

Potential reduce by 8.5 kB

  • Original 11.3 kB
  • After minification 11.3 kB
  • After compression 2.8 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. Yodao.com needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yodao. According to our analytics all requests are already optimized.

Accessibility Review

yodao.com accessibility score

51

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

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

yodao.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

yodao.com SEO score

77

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Yodao.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 Yodao.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 Yodao. 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: