Tools & Wizards About Us
joy.edu.vn screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

joy.edu.vn

Joy.edu.vn - Trang chuyên tổng hợp các tin tức HOT, mới nhất trong ngày

Page Load Speed

18.4 sec in total

First Response

1.4 sec

Resources Loaded

16.7 sec

Page Rendered

282 ms

joy.edu.vn screenshot

About Website

Visit joy.edu.vn now to see the best up-to-date Joy content and also check out these interesting facts you probably never knew about joy.edu.vn

Joy.edu.vn : Trang chuyên cập nhật tin tức mới nhất 24h hàng ngày về tin tức trong ngày Việt Nam và thế giới, pháp luật đời sống, giáo dục thể thao tin nóng online.

Visit joy.edu.vn

Key Findings

We analyzed Joy.edu.vn page load time and found that the first response time was 1.4 sec and then it took 17 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

joy.edu.vn performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

joy.edu.vn

1436 ms

style.css

1364 ms

htmlstyle.css

538 ms

jquery.min.js

1361 ms

jquery-ui.min.js

2983 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 92% of them (73 requests) were addressed to the original Joy.edu.vn, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (12.4 sec) belongs to the original domain Joy.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 848.9 kB (45%)

Content Size

1.9 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Joy.edu.vn main page is 1.9 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. 30% of websites need less resources to load. Images take 994.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 34.7 kB

  • Original 44.3 kB
  • After minification 43.3 kB
  • After compression 9.6 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 34.7 kB or 78% of the original size.

Image Optimization

-17%

Potential reduce by 164.2 kB

  • Original 994.1 kB
  • After minification 829.9 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, Joy needs image optimization as it can save up to 164.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 426.6 kB

  • Original 587.7 kB
  • After minification 564.4 kB
  • After compression 161.1 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 426.6 kB or 73% of the original size.

CSS Optimization

-87%

Potential reduce by 223.4 kB

  • Original 256.3 kB
  • After minification 241.1 kB
  • After compression 32.9 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. Joy.edu.vn needs all CSS files to be minified and compressed as it can save up to 223.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (17%)

Requests Now

77

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Joy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

joy.edu.vn

joy.edu.vn

1436 ms

style.css

style.css

1364 ms

htmlstyle.css

htmlstyle.css

538 ms

jquery.min.js

jquery.min.js

1361 ms

jquery-ui.min.js

jquery-ui.min.js

2983 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

541 ms

jquery.cookie.js

jquery.cookie.js

542 ms

tooltip.js

tooltip.js

805 ms

123_slide.js

123_slide.js

809 ms

123_htmlstyle_js.js

123_htmlstyle_js.js

810 ms

jwplayer.js

jwplayer.js

2200 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

1076 ms

jquery.mCustomScrollbar.js

jquery.mCustomScrollbar.js

1081 ms

123_main.js

123_main.js

1618 ms

123_menu.js

123_menu.js

1351 ms

white_transparent.png

white_transparent.png

1252 ms

loading2.gif

loading2.gif

277 ms

dark_transparent.png

dark_transparent.png

779 ms

huan%20luyen%20dac%20biet.jpg

huan%20luyen%20dac%20biet.jpg

3501 ms

tre%20cham%20noi.jpg

tre%20cham%20noi.jpg

3308 ms

ky%20nang%20lanh%20dao%20va%20quan%20ly%20doanh%20nghiep.jpg

ky%20nang%20lanh%20dao%20va%20quan%20ly%20doanh%20nghiep.jpg

3033 ms

sinh%20trac%20van%20tay%20hoc%20vien%20joy.jpg

sinh%20trac%20van%20tay%20hoc%20vien%20joy.jpg

12446 ms

arrow-hotnews-right.png

arrow-hotnews-right.png

1047 ms

preview.png

preview.png

1318 ms

stop-icon.png

stop-icon.png

1516 ms

start-icon.png

start-icon.png

1588 ms

next.png

next.png

1785 ms

yahoo-online-icon3.png

yahoo-online-icon3.png

1844 ms

yahoo-offline-icon3.png

yahoo-offline-icon3.png

2039 ms

skype.png

skype.png

2114 ms

e-mail.png

e-mail.png

2309 ms

facebook-icon.png

facebook-icon.png

2384 ms

googleplus-icon.png

googleplus-icon.png

3404 ms

twitter-icon.png

twitter-icon.png

3444 ms

youtube-icon.png

youtube-icon.png

5391 ms

left_menu_bg.png

left_menu_bg.png

5108 ms

logo_bg.png

logo_bg.png

5384 ms

logo.png

logo.png

5656 ms

mn-left-bg.png

mn-left-bg.png

5105 ms

arrow_right.png

arrow_right.png

5375 ms

hr.png

hr.png

5375 ms

mn-right-bg.png

mn-right-bg.png

5644 ms

search_bg.png

search_bg.png

5645 ms

search_button.png

search_button.png

5652 ms

vn-flag.png

vn-flag.png

5658 ms

content_bg.png

content_bg.png

6718 ms

content_bg_top.png

content_bg_top.png

6722 ms

content_bg_bottom.png

content_bg_bottom.png

6760 ms

0-hoi%20thao%20khoa%20hoc%20danh%20cho%20phu%20huynh.png

0-hoi%20thao%20khoa%20hoc%20danh%20cho%20phu%20huynh.png

7007 ms

detail_left.png

detail_left.png

6199 ms

viewmore_left.png

viewmore_left.png

6470 ms

all.js

all.js

76 ms

analytics.js

analytics.js

31 ms

collect

collect

12 ms

162 ms

xd_arbiter.php

xd_arbiter.php

94 ms

xd_arbiter.php

xd_arbiter.php

156 ms

check_yahoo_online.php

check_yahoo_online.php

7168 ms

check_yahoo_online.php

check_yahoo_online.php

7055 ms

check_yahoo_online.php

check_yahoo_online.php

6742 ms

check_yahoo_online.php

check_yahoo_online.php

6560 ms

0-sinh%20trac%20hoc%20van%20tay.png

0-sinh%20trac%20hoc%20van%20tay.png

8417 ms

1-dao%20tao%20nhan%20luc%20inhouse.png

1-dao%20tao%20nhan%20luc%20inhouse.png

9426 ms

detail_right.png

detail_right.png

7265 ms

viewmore_right.png

viewmore_right.png

6557 ms

title_bg.png

title_bg.png

6243 ms

url.png

url.png

7662 ms

IMG_4461.JPG

IMG_4461.JPG

10231 ms

10259958_388864804588991_4433219955979301871_n.jpg

10259958_388864804588991_4433219955979301871_n.jpg

8626 ms

kh%20ban%20hang%20tai%20cty.png

kh%20ban%20hang%20tai%20cty.png

10006 ms

img_list.png

img_list.png

7309 ms

arrow_pre.png

arrow_pre.png

7305 ms

arrow_next.png

arrow_next.png

7461 ms

before-bottom-bg.png

before-bottom-bg.png

7690 ms

right-bottom-bg.png

right-bottom-bg.png

7715 ms

icon_google.png

icon_google.png

6101 ms

icon_skype.png

icon_skype.png

6296 ms

icon_zing.png

icon_zing.png

6091 ms

gotop.png

gotop.png

6105 ms

Accessibility Review

joy.edu.vn accessibility score

86

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

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

joy.edu.vn 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

High

Page has valid source maps

SEO Factors

joy.edu.vn SEO score

100

Search Engine Optimization Advices

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

    VI

  • Language Claimed

    VN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Joy.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed language. Our system also found out that Joy.edu.vn 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

joy.edu.vn

Open Graph data is detected on the main page of Joy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: