Tools & Wizards About Us
dungmori.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dungmori.com

Dungmori - Nền tảng học tiếng Nhật Online Số 1 tại Việt Nam

Page Load Speed

9.2 sec in total

First Response

582 ms

Resources Loaded

8.6 sec

Page Rendered

9 ms

dungmori.com screenshot

About Website

Visit dungmori.com now to see the best up-to-date Dungmori content for Vietnam and also check out these interesting facts you probably never knew about dungmori.com

Hơn 300,000 học viên đã tin tưởng theo học khóa tiếng Nhật online và offline của Dũng Mori, chuyên sâu về luyện thi JLPT, Kaiwa, EJU và tiếng Nhật doanh nghiệp.

Visit dungmori.com

Key Findings

We analyzed Dungmori.com page load time and found that the first response time was 582 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dungmori.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value73.3 s

0/100

25%

SI (Speed Index)

Value42.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,240 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value52.7 s

0/100

10%

Network Requests Diagram

dungmori.com

582 ms

dungmori.com

1030 ms

driver.min.css

939 ms

toastr.min.css

1188 ms

styles.css

1980 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 13% of them (14 requests) were addressed to the original Dungmori.com, 80% (86 requests) were made to Dungmori.b-cdn.net and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Dungmori.b-cdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 MB (8%)

Content Size

47.8 MB

After Optimization

43.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dungmori.com main page is 47.8 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. 60% of websites need less resources to load. Images take 47.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 259.9 kB

  • Original 305.0 kB
  • After minification 249.5 kB
  • After compression 45.0 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 55.4 kB, which is 18% 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 259.9 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 3.6 MB

  • Original 47.0 MB
  • After minification 43.4 MB

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. Dungmori images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 127.8 kB

  • Original 396.8 kB
  • After minification 396.8 kB
  • After compression 269.0 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 127.8 kB or 32% of the original size.

CSS Optimization

-22%

Potential reduce by 22.1 kB

  • Original 99.7 kB
  • After minification 99.7 kB
  • After compression 77.5 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. Dungmori.com needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (23%)

Requests Now

106

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dungmori. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dungmori.com

dungmori.com

582 ms

dungmori.com

dungmori.com

1030 ms

driver.min.css

driver.min.css

939 ms

toastr.min.css

toastr.min.css

1188 ms

styles.css

styles.css

1980 ms

headlibs.js

headlibs.js

2106 ms

socket.io.min.js

socket.io.min.js

1857 ms

slick.min.js

slick.min.js

1480 ms

vue.min.js

vue.min.js

1850 ms

lazysizes.min.js

lazysizes.min.js

1504 ms

toastr.min.js

toastr.min.js

1721 ms

app.js

app.js

2033 ms

emojiPicker.js

emojiPicker.js

1996 ms

emojiContenteditable.js

emojiContenteditable.js

1997 ms

moment.min.js

moment.min.js

2322 ms

crypto.js

crypto.js

2322 ms

crypto.js

crypto.js

2323 ms

gsap.min.js

gsap.min.js

2337 ms

MotionPathPlugin.min.js

MotionPathPlugin.min.js

2324 ms

ScrollTrigger.min.js

ScrollTrigger.min.js

2345 ms

GVuZ3RoKCk.js

GVuZ3RoKCk.js

2334 ms

chatbox.js

chatbox.js

2583 ms

modal.js

modal.js

2583 ms

js

js

55 ms

menu_2.png

menu_2.png

1170 ms

menu_1.png

menu_1.png

1416 ms

facebook.png

facebook.png

647 ms

google.png

google.png

647 ms

auth_co_thanh.png

auth_co_thanh.png

1513 ms

default-avatar.jpg

default-avatar.jpg

644 ms

admin-ava.png

admin-ava.png

719 ms

fbload.gif

fbload.gif

720 ms

leaf.svg

leaf.svg

645 ms

jlpt-gift.png

jlpt-gift.png

652 ms

flower.svg

flower.svg

647 ms

play.svg

play.svg

651 ms

flower-outline.svg

flower-outline.svg

717 ms

heart.svg

heart.svg

719 ms

jlpt-n5-banner.png

jlpt-n5-banner.png

1346 ms

so-cap-banner.png

so-cap-banner.png

2234 ms

dmr-so-cap-banner.png

dmr-so-cap-banner.png

2468 ms

star-bg.svg

star-bg.svg

865 ms

mori-online-basic.png

mori-online-basic.png

1663 ms

banner-jlpt.png

banner-jlpt.png

2347 ms

kaiwa-banner.png

kaiwa-banner.png

2274 ms

book-banner.png

book-banner.png

2326 ms

discussion.svg

discussion.svg

1888 ms

mori-3d.png

mori-3d.png

2132 ms

mori-logo-gray.svg

mori-logo-gray.svg

2357 ms

dungmori-carousel-1.png

dungmori-carousel-1.png

2743 ms

dungmori-carousel-2.png

dungmori-carousel-2.png

2610 ms

dungmori-carousel-3.png

dungmori-carousel-3.png

3001 ms

dungmori-carousel-4.png

dungmori-carousel-4.png

2631 ms

dungmori-carousel-5.png

dungmori-carousel-5.png

3133 ms

dungmori-carousel-6.png

dungmori-carousel-6.png

3267 ms

1722413387_296280_53276.jpeg

1722413387_296280_53276.jpeg

1593 ms

1722392143_283935_64274.jpeg

1722392143_283935_64274.jpeg

1692 ms

1721189022_308625_43852.png

1721189022_308625_43852.png

2196 ms

stat-bg.jpg

stat-bg.jpg

1465 ms

dungmori-carousel-7.png

dungmori-carousel-7.png

2911 ms

dungmori-carousel-8.png

dungmori-carousel-8.png

2881 ms

dungmori-carousel-9.png

dungmori-carousel-9.png

2969 ms

dungmori-carousel-10.png

dungmori-carousel-10.png

2884 ms

dungmori-carousel-11.png

dungmori-carousel-11.png

3427 ms

dungmori-carousel-12.png

dungmori-carousel-12.png

3022 ms

dungmori-carousel-13.png

dungmori-carousel-13.png

2949 ms

dungmori-carousel-14.png

dungmori-carousel-14.png

3076 ms

dungmori-carousel-15.png

dungmori-carousel-15.png

3361 ms

plane.svg

plane.svg

3142 ms

bell.svg

bell.svg

2926 ms

nghia.png

nghia.png

3114 ms

nghia-mobile.png

nghia-mobile.png

3022 ms

thanh.png

thanh.png

3134 ms

thanh-mobile.png

thanh-mobile.png

3118 ms

passrate.png

passrate.png

3296 ms

analytics.js

analytics.js

63 ms

fbevents.js

fbevents.js

38 ms

hotjar-1928619.js

hotjar-1928619.js

108 ms

sdk.js

sdk.js

50 ms

passratemobile.png

passratemobile.png

3240 ms

hst.png

hst.png

3274 ms

hst-mobile.png

hst-mobile.png

3277 ms

collect

collect

13 ms

main.MTZlYmMyNjliNA.js

main.MTZlYmMyNjliNA.js

28 ms

js

js

57 ms

canon.svg

canon.svg

3143 ms

hitachi.svg

hitachi.svg

2678 ms

fsoft.svg

fsoft.svg

2515 ms

nissan.svg

nissan.svg

2301 ms

maedakousen.svg

maedakousen.svg

2098 ms

aeon.svg

aeon.svg

1988 ms

gmo.svg

gmo.svg

1966 ms

rikkei.svg

rikkei.svg

1940 ms

dungmori-hoc-cach-khen-nguoi-nhat-xin-xo-hon.jpeg

dungmori-hoc-cach-khen-nguoi-nhat-xin-xo-hon.jpeg

2064 ms

dungmori-nho-ngay-trong-mot-not-nhac.jpeg

dungmori-nho-ngay-trong-mot-not-nhac.jpeg

2068 ms

dungmori-nen-o-nhat-hay-ve-bay-gio.jpeg

dungmori-nen-o-nhat-hay-ve-bay-gio.jpeg

2015 ms

dungmori-5-tu-vung-n2-n3.jpeg

dungmori-5-tu-vung-n2-n3.jpeg

1897 ms

dungmori-tat-tan-tat-ve-%E3%81%B0%E3%81%8B%E3%82%8A.png

dungmori-tat-tan-tat-ve-%E3%81%B0%E3%81%8B%E3%82%8A.png

2098 ms

dungmori-tip-bien-am-nho-ma-co-vo.png

dungmori-tip-bien-am-nho-ma-co-vo.png

1824 ms

dungmori-cach-hoc-ngu-phap-mot-lan-la-nho.png

dungmori-cach-hoc-ngu-phap-mot-lan-la-nho.png

1845 ms

dungmori-top-10-cau-de-mat-diem-jlpt-n4.jpeg

dungmori-top-10-cau-de-mat-diem-jlpt-n4.jpeg

1741 ms

dungmori-tieng-nhat-so-ho-mot-ti-la-sai.jpeg

dungmori-tieng-nhat-so-ho-mot-ti-la-sai.jpeg

1715 ms

dungmori-tiem-cafe-bat-on.jpeg

dungmori-tiem-cafe-bat-on.jpeg

1744 ms

fixed-panel-test.svg

fixed-panel-test.svg

1677 ms

fixed-panel-discussion.svg

fixed-panel-discussion.svg

1677 ms

fixed-panel-app.svg

fixed-panel-app.svg

1677 ms

pattern.svg

pattern.svg

1670 ms

dungmori-logo.svg

dungmori-logo.svg

1612 ms

Accessibility Review

dungmori.com accessibility score

90

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dungmori.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

Page has valid source maps

SEO Factors

dungmori.com SEO score

85

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

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dungmori.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dungmori.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

dungmori.com

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