6.9 sec in total
1.2 sec
5.4 sec
185 ms
Welcome to data.vdsc.com.vn homepage info - get ready to check Data Vdsc best content for Vietnam right away, or after learning these important things about data.vdsc.com.vn
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Visit data.vdsc.com.vnWe analyzed Data.vdsc.com.vn page load time and found that the first response time was 1.2 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster. This domain responded with an error, which can significantly jeopardize Data.vdsc.com.vn rating and web reputation
data.vdsc.com.vn performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value11.0 s
0/100
25%
Value11.5 s
5/100
10%
Value90 ms
98/100
30%
Value0.24
52/100
15%
Value13.7 s
10/100
10%
1235 ms
1044 ms
994 ms
627 ms
1360 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Data.vdsc.com.vn, 4% (2 requests) were made to Chart.vietstock.vn and 2% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Chart.vietstock.vn.
Page size can be reduced by 514.7 kB (44%)
1.2 MB
645.9 kB
In fact, the total size of Data.vdsc.com.vn 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 580.3 kB which makes up the majority of the site volume.
Potential reduce by 79.2 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 20.4 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 79.2 kB or 85% of the original size.
Potential reduce by 60.9 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. Data Vdsc images are well optimized though.
Potential reduce by 239.2 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 239.2 kB or 71% of the original size.
Potential reduce by 135.5 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. Data.vdsc.com.vn needs all CSS files to be minified and compressed as it can save up to 135.5 kB or 91% of the original size.
Number of requests can be reduced by 14 (33%)
42
28
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Vdsc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
data.vdsc.com.vn
1235 ms
cong_cu_dau_tu
1044 ms
FinanceFull.css
994 ms
jquery.autocomplete.css
627 ms
skin_rv.css
1360 ms
skin.css
1015 ms
menu_rv.css
983 ms
jquery-1.4.4.min.js
1299 ms
jquery-jtemplates.js
1257 ms
jssor.slider.mini.js
1669 ms
services.js
700 ms
jquery-migrate-1.0.0.js
788 ms
jquery.bgiframe.min.js
960 ms
jquery.qtip-1.0.0-rc3.js
1073 ms
jquery.cookie.js
1010 ms
jquery.autocomplete.js
1107 ms
jquery.datepick.pack.js
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XAUUSDO1D.jpg
2179 ms
logo-index.png
799 ms
phone.png
552 ms
new.gif
615 ms
co-anh.png
651 ms
co-viet.png
714 ms
BANNER-TANGVON%20700TY-VN.png
1782 ms
BANNER-MARGIN99.png
1834 ms
BANNER-%206PM-VN.png
1843 ms
icon-idragon.png
960 ms
General.aspx
972 ms
General.aspx
1100 ms
icon-android.png
1281 ms
icon-apple.png
1293 ms
icon-yahoo.png
1417 ms
icon-skype.png
1646 ms
icon-facebook.png
1654 ms
icon-youtube.png
1727 ms
bg-top.png
1956 ms
txt-search.png
1967 ms
bg_ngang.png
2040 ms
btn-datlenh.png
1505 ms
btn-motaikhoan.png
1554 ms
ser.jpg
1549 ms
iBgHomeQuickLinkRight.gif
1719 ms
item.jpg
1675 ms
repeatCKBox.jpg
1767 ms
ga.js
30 ms
XAUUSDO1D.jpg
1527 ms
data.vdsc.com.vn 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
Form elements do not have associated labels
Links do not have a discernible name
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
data.vdsc.com.vn 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
data.vdsc.com.vn SEO score
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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data.vdsc.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Data.vdsc.com.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.
data.vdsc.com.vn
Open Graph description is not detected on the main page of Data Vdsc. 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: