8.9 sec in total
2.2 sec
6.4 sec
209 ms
Visit chongdoc.org.vn now to see the best up-to-date Chongdoc content for Vietnam and also check out these interesting facts you probably never knew about chongdoc.org.vn
Trang thông tin của Trung tâm Chống độc, Bệnh viện Bạch Mai
Visit chongdoc.org.vnWe analyzed Chongdoc.org.vn page load time and found that the first response time was 2.2 sec and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster. This domain responded with an error, which can significantly jeopardize Chongdoc.org.vn rating and web reputation
chongdoc.org.vn performance score
name
value
score
weighting
Value9.4 s
0/100
10%
Value10.4 s
0/100
25%
Value13.1 s
2/100
10%
Value200 ms
89/100
30%
Value0.236
53/100
15%
Value18.3 s
3/100
10%
2208 ms
1200 ms
967 ms
491 ms
527 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that all of those requests were addressed to Chongdoc.org.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Chongdoc.org.vn.
Page size can be reduced by 687.2 kB (28%)
2.5 MB
1.8 MB
In fact, the total size of Chongdoc.org.vn main page is 2.5 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 1.7 MB which makes up the majority of the site volume.
Potential reduce by 53.2 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. 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 53.2 kB or 73% of the original size.
Potential reduce by 81.0 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. Chongdoc images are well optimized though.
Potential reduce by 483.3 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 483.3 kB or 83% of the original size.
Potential reduce by 69.6 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. Chongdoc.org.vn needs all CSS files to be minified and compressed as it can save up to 69.6 kB or 83% of the original size.
Number of requests can be reduced by 43 (51%)
85
42
The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chongdoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
chongdoc.org.vn
2208 ms
default.css
1200 ms
skin.css
967 ms
index.css
491 ms
container.css
527 ms
Title_Cam.css
486 ms
portal.css
500 ms
jquery.min.js
1596 ms
TabStrip.Default.css
961 ms
RibbonBar.Default.css
740 ms
TabStrip.Default.css
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stylesheetwidget.css
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WebResource.axd
722 ms
dnncore.js
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tabs.css
736 ms
cms-tabnews.css
735 ms
tab.js
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tab_news.js
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accordion-menu.css
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yahoo_2.js
998 ms
dom_2.js
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event_2.js
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animation_2.js
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mod_sbd_roll_compressed.js
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ScriptResource.axd
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ScriptResource.axd
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dnn.js
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dnn.xml.js
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dnn.xmlhttp.js
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javas.js
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style.css
1279 ms
style.css
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fadeslideshow.js
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Style.css
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menu.css
1469 ms
initWidgets.js
1296 ms
en-US.gif
244 ms
vi-VN.gif
243 ms
top_banner.jpg
479 ms
nhan-biet--so-cuu-ngo-doc-thuc-pham-28.jpg
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next.gif
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online_feedback.jpg
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bachmai_map.jpg
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course_register.jpg
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hoi%20nghi%20chong%20doc%202013%20b.jpg
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uoGroup2.gif
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uoVisitors.gif
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uoMembers.gif
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uoTotal.gif
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view.gif
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orientsoft.jpg
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top-nav.jpg
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bottom-nav.jpg
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children-nav.jpg
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DotNetNukeAjaxShared.js
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tab_bg.jpg
2200 ms
action_right.gif
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topic_child_bottom_bg.jpg
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list_icon.png
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Center-Title-Cam.jpg
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Left-Title-Cam.jpg
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about_subnav_bg.jpg
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c-bottom-left.jpg
2016 ms
c-bottom-center.jpg
2184 ms
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2203 ms
search_bg.gif
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bottom_bg.png
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loading.png
2011 ms
chongdoc.org.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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
chongdoc.org.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
Missing source maps for large first-party JavaScript
chongdoc.org.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chongdoc.org.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 Chongdoc.org.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.
chongdoc.org.vn
Open Graph description is not detected on the main page of Chongdoc. 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: