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xueda.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

xueda.com

学大教育（官网）—个性化一对一辅导教育品牌！

Page Load Speed

21.2 sec in total

First Response

1 sec

Resources Loaded

19.9 sec

Page Rendered

341 ms

xueda.com screenshot

About Website

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

学大教育(股票000526)创立于2001年，是国内A股市场上专注于个性化教育的集团公司。学大教育秉承“以人为本、因材施教”的个性化教育理念，创新打造了个性化教育、职业教育、文化服务、教育数字化四大业务版块，旨在帮助更多用户实现成长、成才的梦想，成为让人信赖的文化和教育产业集团。学大教育官网xueda.com，欢迎大家随时对话学大教育咨询师！

Visit xueda.com

Key Findings

We analyzed Xueda.com page load time and found that the first response time was 1 sec and then it took 20.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

xueda.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.278

44/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

xueda.com

1030 ms

www.xueda.com

965 ms

beijing.xueda.com

1287 ms

all.css

2028 ms

jquery-1.8.0.min.js

2021 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Xueda.com, 38% (35 requests) were made to File.xueda.com and 13% (12 requests) were made to Images.21edu.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source M186.looyu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 478.9 kB (40%)

Content Size

1.2 MB

After Optimization

708.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xueda.com main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 575.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 73.2 kB

  • Original 90.0 kB
  • After minification 83.3 kB
  • After compression 16.7 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 73.2 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 44.0 kB

  • Original 575.8 kB
  • After minification 531.8 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. Xueda images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 202.2 kB

  • Original 327.8 kB
  • After minification 322.5 kB
  • After compression 125.6 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 202.2 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 159.5 kB

  • Original 194.3 kB
  • After minification 181.6 kB
  • After compression 34.8 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. Xueda.com needs all CSS files to be minified and compressed as it can save up to 159.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (53%)

Requests Now

81

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xueda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

xueda.com

xueda.com

1030 ms

www.xueda.com

www.xueda.com

965 ms

beijing.xueda.com

beijing.xueda.com

1287 ms

all.css

all.css

2028 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

2021 ms

jquery.lazyload.js

jquery.lazyload.js

1775 ms

xuedaindex.js

xuedaindex.js

2021 ms

monitor_pc.js

monitor_pc.js

1772 ms

school.js

school.js

1598 ms

looyu.xueda.min.js

looyu.xueda.min.js

549 ms

location

location

2514 ms

stat.php

stat.php

2209 ms

loading.gif

loading.gif

254 ms

fbff761ac91f42d.jpg

fbff761ac91f42d.jpg

502 ms

75d4c3c21c15427.jpg

75d4c3c21c15427.jpg

255 ms

9f4fdb08dde1489.jpg

9f4fdb08dde1489.jpg

1149 ms

XueFang.jpg

XueFang.jpg

515 ms

class_1_0.jpg

class_1_0.jpg

288 ms

class_1_1.jpg

class_1_1.jpg

274 ms

class_81_0.jpg

class_81_0.jpg

505 ms

class_81_1.jpg

class_81_1.jpg

536 ms

class_9_0.jpg

class_9_0.jpg

552 ms

class_9_1.jpg

class_9_1.jpg

753 ms

class_10_0.jpg

class_10_0.jpg

771 ms

class_10_1.jpg

class_10_1.jpg

766 ms

class_141_0.jpg

class_141_0.jpg

786 ms

class_141_1.jpg

class_141_1.jpg

821 ms

weibo.jpg

weibo.jpg

1010 ms

weixin.jpg

weixin.jpg

1018 ms

cubead_ca.js

cubead_ca.js

1386 ms

top_bg.jpg

top_bg.jpg

1014 ms

logonforwwwxueda

logonforwwwxueda

3472 ms

top_icon.gif

top_icon.gif

1040 ms

nav_bg.jpg

nav_bg.jpg

1064 ms

logo.gif

logo.gif

1251 ms

icons.gif

icons.gif

1253 ms

nav_line.jpg

nav_line.jpg

1250 ms

3c4e9c24083e412.jpg

3c4e9c24083e412.jpg

1536 ms

4eacde62520e439.jpg

4eacde62520e439.jpg

1295 ms

1c0eb4fceb8b468.jpg

1c0eb4fceb8b468.jpg

1698 ms

b3e75d0848f24d6.jpg

b3e75d0848f24d6.jpg

1737 ms

button.gif

button.gif

1729 ms

0054c1fbab91476.jpg

0054c1fbab91476.jpg

1723 ms

8b0bb941ad82405.jpg

8b0bb941ad82405.jpg

1772 ms

102172.js

102172.js

1943 ms

looyu.css

looyu.css

271 ms

looyu.js

looyu.js

1621 ms

LogonForWWWXueDa

LogonForWWWXueDa

1235 ms

h.js

h.js

533 ms

common.css

common.css

1679 ms

core.js

core.js

1911 ms

ajax_v1.0.js

ajax_v1.0.js

1683 ms

stat.htm

stat.htm

163 ms

core.php

core.php

972 ms

hm.gif

hm.gif

268 ms

9.gif

9.gif

1884 ms

pic.gif

pic.gif

682 ms

s.js

s.js

1048 ms

share.js

share.js

460 ms

s

s

5087 ms

content.css

content.css

463 ms

input.css

input.css

237 ms

popup.css

popup.css

467 ms

regist.css

regist.css

466 ms

header.css

header.css

695 ms

login.css

login.css

467 ms

slide_api.js

slide_api.js

219 ms

slide_view.js

slide_view.js

436 ms

tangram.js

tangram.js

1210 ms

api_base.js

api_base.js

488 ms

view_base.js

view_base.js

287 ms

appraisal_icon.gif

appraisal_icon.gif

471 ms

qq.gif

qq.gif

236 ms

wb.gif

wb.gif

235 ms

g

g

2693 ms

app.gif

app.gif

767 ms

slide_share.css

slide_share.css

222 ms

r4.gif

r4.gif

218 ms

icons_0_16.png

icons_0_16.png

458 ms

logger.js

logger.js

223 ms

dasp3

dasp3

1200 ms

w

w

483 ms

t.gif

t.gif

1011 ms

pixel

pixel

17 ms

pixel

pixel

21 ms

pixel

pixel

15 ms

pixel

pixel

17 ms

m

m

484 ms

m

m

4665 ms

m

m

485 ms

m

m

934 ms

m

m

962 ms

Accessibility Review

xueda.com accessibility score

65

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

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

xueda.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

xueda.com SEO score

82

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

High

Tap targets are not sized appropriately

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 Xueda.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 Xueda.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

xueda.com

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