Tools & Wizards About Us
onlychild.cn screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

onlychild.cn

上海昂立优培教育培训有限公司

Page Load Speed

58.6 sec in total

First Response

14.2 sec

Resources Loaded

44.2 sec

Page Rendered

221 ms

onlychild.cn screenshot

About Website

Click here to check amazing Onlychild content. Otherwise, check out these important facts you probably never knew about onlychild.cn

上海昂立优培教育培训有限公司

Visit onlychild.cn

Key Findings

We analyzed Onlychild.cn page load time and found that the first response time was 14.2 sec and then it took 44.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

onlychild.cn performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.443

21/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

onlychild.cn

14217 ms

index.css

804 ms

new.css

1455 ms

jquery.js

3080 ms

jquery.effects.core.js

805 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 89% of them (77 requests) were addressed to the original Onlychild.cn, 5% (4 requests) were made to Qiao.baidu.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Onlychild.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.6 kB (37%)

Content Size

558.6 kB

After Optimization

350.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onlychild.cn main page is 558.6 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 354.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 57.1 kB

  • Original 69.0 kB
  • After minification 53.9 kB
  • After compression 12.0 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. This page needs HTML code to be minified as it can gain 15.1 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.1 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 42.2 kB

  • Original 354.4 kB
  • After minification 312.2 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, Onlychild needs image optimization as it can save up to 42.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 31.0 kB

  • Original 40.6 kB
  • After minification 34.0 kB
  • After compression 9.6 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 31.0 kB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 78.4 kB

  • Original 94.6 kB
  • After minification 79.6 kB
  • After compression 16.2 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. Onlychild.cn needs all CSS files to be minified and compressed as it can save up to 78.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (55%)

Requests Now

66

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onlychild. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onlychild.cn

onlychild.cn

14217 ms

index.css

index.css

804 ms

new.css

new.css

1455 ms

jquery.js

jquery.js

3080 ms

jquery.effects.core.js

jquery.effects.core.js

805 ms

my.jquery.plugin.js

my.jquery.plugin.js

1536 ms

common.js

common.js

4332 ms

index1.js

index1.js

1901 ms

reset.css

reset.css

1850 ms

css_public.css

css_public.css

2214 ms

website_public.css

website_public.css

2578 ms

box.css

box.css

2653 ms

list.css

list.css

12308 ms

stats

stats

18265 ms

video.jpg

video.jpg

3299 ms

video1.jpg

video1.jpg

6420 ms

head_bg.png

head_bg.png

474 ms

logo.png

logo.png

379 ms

sec_logo.png

sec_logo.png

2336 ms

tel.png

tel.png

383 ms

nav_line.png

nav_line.png

471 ms

box_1_top_bg.png

box_1_top_bg.png

759 ms

ico_1.png

ico_1.png

1563 ms

course_con_bg.png

course_con_bg.png

1856 ms

course_main_type_bg.png

course_main_type_bg.png

954 ms

alo7.jpg

alo7.jpg

1443 ms

ico_3.png

ico_3.png

1143 ms

gray_arrow.gif

gray_arrow.gif

1434 ms

56d558ca5c6b4.jpg

56d558ca5c6b4.jpg

19968 ms

56cd23e331e65.jpg

56cd23e331e65.jpg

7294 ms

5657f1b17c931.jpg

5657f1b17c931.jpg

19970 ms

5657f0d246fa8.jpg

5657f0d246fa8.jpg

12093 ms

56dfd3c36f5dc.jpg

56dfd3c36f5dc.jpg

6156 ms

55eba0716dfee.jpg

55eba0716dfee.jpg

19970 ms

tab_nav.gif

tab_nav.gif

6552 ms

56d3dfd576eec.jpg

56d3dfd576eec.jpg

14055 ms

black.png

black.png

7787 ms

clb.jpg

clb.jpg

16596 ms

565bafc332886.jpg

565bafc332886.jpg

16238 ms

53e3461e43328.jpg

53e3461e43328.jpg

15637 ms

53e1d8f5eb76d.jpg

53e1d8f5eb76d.jpg

18924 ms

53c89baeb9ddd.jpg

53c89baeb9ddd.jpg

18125 ms

5657d693844b3.jpg

5657d693844b3.jpg

18985 ms

5657d6afe6d88.jpg

5657d6afe6d88.jpg

19670 ms

53c8999bebc18.jpg

53c8999bebc18.jpg

19967 ms

565bb46aaa3be.jpg

565bb46aaa3be.jpg

19966 ms

qrcode.png

qrcode.png

19967 ms

tabs_caption_bg.png

tabs_caption_bg.png

19967 ms

ico_13.png

ico_13.png

19968 ms

ico_jssb.jpg

ico_jssb.jpg

19967 ms

ico_xxzd.jpg

ico_xxzd.jpg

19967 ms

ico_jyzx.jpg

ico_jyzx.jpg

19926 ms

ico_jyen.jpg

ico_jyen.jpg

19597 ms

ico_xxyl.jpg

ico_xxyl.jpg

19593 ms

ico_zjxq.jpg

ico_zjxq.jpg

20494 ms

box_3_top_bg.png

box_3_top_bg.png

20295 ms

ico_15.png

ico_15.png

19994 ms

ico_16.png

ico_16.png

19826 ms

51510ed3c4306.jpg

51510ed3c4306.jpg

19822 ms

5680a0ce59cfc.jpg

5680a0ce59cfc.jpg

19532 ms

5680a1a69280e.jpg

5680a1a69280e.jpg

19524 ms

4ffff2114e24b.jpg

4ffff2114e24b.jpg

20402 ms

4ffe39b448642.jpg

4ffe39b448642.jpg

20110 ms

5006631c0192f.jpg

5006631c0192f.jpg

19632 ms

5014d0bbf32d4.JPG

5014d0bbf32d4.JPG

16773 ms

55517c0796c42.JPG

55517c0796c42.JPG

15677 ms

box_2_top_bg.png

box_2_top_bg.png

15363 ms

ico_8.png

ico_8.png

14967 ms

ico_11.png

ico_11.png

10698 ms

point_3.gif

point_3.gif

9036 ms

foot_pic.jpg

foot_pic.jpg

7519 ms

footer_bg.gif

footer_bg.gif

6971 ms

h.js

h.js

682 ms

police.jpg

police.jpg

6730 ms

b.js

b.js

855 ms

hm.gif

hm.gif

359 ms

bsl.js

bsl.js

7874 ms

zx110.jpg

zx110.jpg

8140 ms

icp.jpg

icp.jpg

4630 ms

ico_31.gif

ico_31.gif

4639 ms

nav_main_hover_bg.jpg

nav_main_hover_bg.jpg

4054 ms

ico_5.gif

ico_5.gif

3994 ms

Enter.php

Enter.php

876 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

2600 ms

main.css

main.css

614 ms

fix.css

fix.css

866 ms

version.js

version.js

1297 ms

Accessibility Review

onlychild.cn accessibility score

39

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

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

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

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

onlychild.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

onlychild.cn 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 Onlychild.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 Onlychild.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

onlychild.cn

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