6.2 sec in total
531 ms
4.7 sec
983 ms
Welcome to tuvungtienghan.com homepage info - get ready to check Tuvungtienghan best content for Vietnam right away, or after learning these important things about tuvungtienghan.com
Học tiếng hàn online trên mạng các bạn có thể học tiếng hàn tại nhà hoặc bất cứ nơi đâu chỉ cần có điện thoại, máy tính kết nối mạng là có thể họ
Visit tuvungtienghan.comWe analyzed Tuvungtienghan.com page load time and found that the first response time was 531 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
tuvungtienghan.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value6.5 s
9/100
25%
Value14.5 s
1/100
10%
Value19,000 ms
0/100
30%
Value0.414
23/100
15%
Value29.4 s
0/100
10%
531 ms
1083 ms
297 ms
123 ms
135 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 49% of them (31 requests) were addressed to the original Tuvungtienghan.com, 13% (8 requests) were made to Apis.google.com and 11% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Tuvungtienghan.com.
Page size can be reduced by 244.4 kB (15%)
1.7 MB
1.4 MB
In fact, the total size of Tuvungtienghan.com main page is 1.7 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 1.3 MB which makes up the majority of the site volume.
Potential reduce by 49.4 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 7.4 kB, which is 12% 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 49.4 kB or 80% of the original size.
Potential reduce by 161.4 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, Tuvungtienghan needs image optimization as it can save up to 161.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 32.1 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 32.1 kB or 11% of the original size.
Potential reduce by 1.5 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. Tuvungtienghan.com has all CSS files already compressed.
Number of requests can be reduced by 31 (54%)
57
26
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tuvungtienghan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
tuvungtienghan.com
531 ms
tuvungtienghan.com
1083 ms
bootstrap.min.css
297 ms
html5shiv.min.js
123 ms
respond.min.js
135 ms
style_edit.css
559 ms
miniplayer.css
784 ms
noview.css
793 ms
noview.js
804 ms
jquery-1.11.1min.js
1074 ms
audio_test_click.js
799 ms
platform.js
48 ms
menuHomes.js
816 ms
sdk.js
37 ms
bootstrap.min.js
1034 ms
html5shiv.min.js
41 ms
respond.min.js
31 ms
analytics.js
101 ms
bg.png
268 ms
dethbannoi-488269955.png
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hocvaonthitienghanxkld-1584290515.jpg
553 ms
tu-vung-tieng-han-1073020368-626743799.JPG
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dangkytienghan-1777195473.jpg
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eps-topik-251591304.JPG
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googleadwords-e1298616743628-340x263-1713748920.jpg
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de-thi-tieng-han-xuat-khau-lao-dong-1953854377.JPG
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hoc-tieng-han-quoc-1188159757.jpg
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them-tu-vung-tieng-han-61048398.PNG
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xuat-khau-lao-dong-han-quoc-1568060007.JPG
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anh-thi-tieng-han-xuat-khau-lao-dong-977525856.PNG
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thi-do-tieng-han-xuat-khau-lao-dong-138799693.PNG
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thiklpt-625580418.PNG
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anhbanner-785165135.jpg
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new_3.gif
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sdk.js
75 ms
sdk.js
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online.jpg
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tuantruoc.jpg
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tuannay.jpg
1587 ms
tuvungtienghan.com
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cb=gapi.loaded_0
62 ms
cb=gapi.loaded_1
60 ms
subscribe_embed
109 ms
fastbutton
54 ms
collect
82 ms
postmessageRelay
113 ms
www-subscribe-embed_split_v0.css
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www-subscribe-embed_v0.js
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developers.google.com
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cb=gapi.loaded_0
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rpc:shindig_random.js
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cb=gapi.loaded_2
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cb=gapi.loaded_0
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border_3.gif
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subscribe_embed
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spacer.gif
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bubbleSprite_3.png
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www-subscribe-embed-card_v0.css
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7 ms
tuvungtienghan.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
tuvungtienghan.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
tuvungtienghan.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tuvungtienghan.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 Tuvungtienghan.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.
tuvungtienghan.com
Open Graph description is not detected on the main page of Tuvungtienghan. 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: