6.8 sec in total
1.4 sec
5.2 sec
226 ms
Click here to check amazing Ier content for Vietnam. Otherwise, check out these important facts you probably never knew about ier.edu.vn
IER - Viện Nghiên Cứu Giáo Dục
Visit ier.edu.vnWe analyzed Ier.edu.vn page load time and found that the first response time was 1.4 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ier.edu.vn performance score
name
value
score
weighting
Value15.4 s
0/100
10%
Value17.1 s
0/100
25%
Value21.4 s
0/100
10%
Value320 ms
76/100
30%
Value0.152
75/100
15%
Value15.8 s
6/100
10%
1393 ms
491 ms
1256 ms
1265 ms
1282 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that all of those requests were addressed to Ier.edu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Ier.edu.vn.
Page size can be reduced by 209.8 kB (55%)
382.2 kB
172.3 kB
In fact, the total size of Ier.edu.vn main page is 382.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 141.6 kB which makes up the majority of the site volume.
Potential reduce by 83.2 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 83.2 kB or 87% of the original size.
Potential reduce by 28.8 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, Ier needs image optimization as it can save up to 28.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 66.4 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 66.4 kB or 62% of the original size.
Potential reduce by 31.4 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. Ier.edu.vn needs all CSS files to be minified and compressed as it can save up to 31.4 kB or 82% of the original size.
Number of requests can be reduced by 34 (55%)
62
28
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
ier.edu.vn
1393 ms
ajax.js
491 ms
tabs_slides.css
1256 ms
tabs_slides_comp.js
1265 ms
tabs_slides_def_loader.js
1282 ms
rokmoomenu.css
1284 ms
template_css.css
1287 ms
style7.css
1292 ms
rokslidestrip.css
1483 ms
rokzoom.css
1498 ms
mootools-release-1.11.js
1772 ms
rokzoom.js
1528 ms
rokmoomenu.js
1530 ms
mootools.bgiframe.js
1539 ms
mod_content_links.css
1712 ms
overlib_mini.js
1732 ms
overlib_hideform_mini.js
1827 ms
bg.png
301 ms
header-m.png
292 ms
header-r.png
747 ms
header-l.png
302 ms
blank.png
303 ms
logo.png
804 ms
menu-m.png
526 ms
menu-r.png
543 ms
menu-l.png
547 ms
tab-r.png
548 ms
tab-l.png
760 ms
dropdown-div.png
787 ms
dropdown-child.png
791 ms
module-tr.png
794 ms
module-tl.png
977 ms
module-search.jpg
995 ms
module-new.gif
1030 ms
new-icon.gif
1038 ms
module-default-icon.jpg
1039 ms
module-online.gif
1052 ms
dhsp-logo.jpg
1206 ms
ceea-logo.png
1230 ms
thuvien.jpg
1273 ms
module-stats.gif
1282 ms
6.png
1285 ms
9.png
1300 ms
1.png
1434 ms
0.png
1464 ms
7.png
1516 ms
5.png
1525 ms
8.png
1530 ms
module-notice.gif
1549 ms
module-research.gif
1664 ms
module-seminar.gif
1698 ms
module-training.gif
1745 ms
home-icon.png
1731 ms
contact-icon.png
1497 ms
webmail-icon.png
1509 ms
sitemap-icon.png
1604 ms
triangle-1.png
1642 ms
zoom-shadow1.png
246 ms
blank.png
237 ms
zoom-shadow3.png
232 ms
zoom-shadow4.png
247 ms
zoom-shadow6.png
249 ms
zoom-shadow8.png
251 ms
ier.edu.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 input fields do not have accessible names
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
ier.edu.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
General
Impact
Issue
Detected JavaScript libraries
ier.edu.vn SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ier.edu.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 Ier.edu.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.
ier.edu.vn
Open Graph description is not detected on the main page of Ier. 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: