21.8 sec in total
2.5 sec
18.7 sec
680 ms
Click here to check amazing Da Lieu content for Vietnam. Otherwise, check out these important facts you probably never knew about dalieu.vn
Bệnh viện da liễu Trung ương
Visit dalieu.vnWe analyzed Dalieu.vn page load time and found that the first response time was 2.5 sec and then it took 19.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
dalieu.vn performance score
name
value
score
weighting
Value10.6 s
0/100
10%
Value17.7 s
0/100
25%
Value25.8 s
0/100
10%
Value340 ms
74/100
30%
Value0.059
98/100
15%
Value14.0 s
10/100
10%
2490 ms
994 ms
1578 ms
1007 ms
715 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 83% of them (86 requests) were addressed to the original Dalieu.vn, 10% (10 requests) were made to Eportal.com.vn and 2% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (13.4 sec) belongs to the original domain Dalieu.vn.
Page size can be reduced by 912.7 kB (54%)
1.7 MB
772.8 kB
In fact, the total size of Dalieu.vn 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. 50% of websites need less resources to load. Javascripts take 853.5 kB which makes up the majority of the site volume.
Potential reduce by 158.1 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 59.3 kB, which is 33% 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 158.1 kB or 89% of the original size.
Potential reduce by 11.6 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. Da Lieu images are well optimized though.
Potential reduce by 694.8 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 694.8 kB or 81% of the original size.
Potential reduce by 48.1 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. Dalieu.vn needs all CSS files to be minified and compressed as it can save up to 48.1 kB or 84% of the original size.
Number of requests can be reduced by 59 (59%)
100
41
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Da Lieu. 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 12 to 1 for CSS and as a result speed up the page load time.
dalieu.vn
2490 ms
module.css
994 ms
default.css
1578 ms
skin.css
1007 ms
container.css
715 ms
container.css
715 ms
container.css
1010 ms
container.css
1010 ms
portal.css
1588 ms
V_D140.css
1646 ms
jquery-1.8.3.js
3762 ms
rd-smoothscroll.min.js
1844 ms
jquery.js
3239 ms
jquery.lightbox-0.5.js
1836 ms
jquery.lightbox-0.5.css
1843 ms
tooltip.js
1934 ms
WebResource.axd
2236 ms
dnncore.js
2504 ms
dnn.js
2502 ms
dnn.xml.js
2253 ms
dnn.dom.positioning.js
2594 ms
dnn.xmlhttp.js
2607 ms
dnn.controls.dnnmenu.js
2801 ms
ScriptResource.axd
3066 ms
ScriptResource.axd
2854 ms
so_lieu.jpg
2618 ms
bg.jpg
284 ms
Banner-bv-gialieu.jpg
1032 ms
con_address.png
274 ms
icon-email.png
272 ms
icon_search.png
317 ms
Register.gif
280 ms
Login.gif
539 ms
spacer.gif
538 ms
title_menu_right.png
573 ms
uu22.jpg
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benhzona.jpg
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viemdacodia.jpg
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mayday.jpg
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dieutrilao.jpg
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benhchantaymieng.JPG
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Visits.png
1687 ms
uoVisitors.gif
1732 ms
uoMembers.gif
1722 ms
uoTotal.gif
1907 ms
spacer.gif
1914 ms
4.1.gif
1950 ms
4.3.gif
2006 ms
Bo%20nhiem%201.jpg
13370 ms
node.gif
2222 ms
img05.gif
2224 ms
t38.jpg
2291 ms
spacer.gif
2267 ms
v53.jpg
3213 ms
spacer.gif
2488 ms
dich-vu-dich-thuat.jpg
2587 ms
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3038 ms
yXO_oi9-bbA
156 ms
3490 ms
www-embed-player-vfl5foy2V.css
61 ms
www-embed-player.js
108 ms
kttt.jpg
2371 ms
lo.jpg
2525 ms
1NEVUS%20COMEDONICUS1.jpg
2769 ms
lich%20truc.jpg
2754 ms
lih.jpg
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veBs87dwiCXgZb9CwomBYiW1hyWXgp0ohA3Vj3gnbUg.js
264 ms
ad_status.js
302 ms
images.jpg
2831 ms
Hep1.jpg
2794 ms
arow.png
2742 ms
Right_BoYTe%281%29.png
2658 ms
uni.jpg
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1_lichkham.jpg
2579 ms
2_gio-tham.jpg
2506 ms
3_quytrinh.jpg
2526 ms
4_chiphi.jpg
2488 ms
tumblr_m6r6l085hf1ra2zxuo1_400_thumb.jpg
2612 ms
1.gif
2441 ms
bg_search.png
2519 ms
title_menu_left.png
2313 ms
title_menu_center.jpg
2523 ms
V_D140_nav_parentright.gif
2493 ms
V_D140_nav.gif
2508 ms
4.2.gif
2510 ms
img06.gif
2522 ms
bg_footer.jpg
2897 ms
2.gif
2489 ms
ajax.js
560 ms
style.css
574 ms
jquery-1.7.1.js
2772 ms
jquery.lionbars.0.3.js
1115 ms
we.js
574 ms
bg1.png
300 ms
cloud.png
444 ms
ajax-loader.gif
298 ms
index.php
459 ms
27.gif
27 ms
dalieu.vn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
dalieu.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
dalieu.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dalieu.vn 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 Dalieu.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.
dalieu.vn
Open Graph description is not detected on the main page of Da Lieu. 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: