9.3 sec in total
1.2 sec
7.8 sec
320 ms
Welcome to ibt.ac.vn homepage info - get ready to check Ibt best content for Vietnam right away, or after learning these important things about ibt.ac.vn
Viện Công nghệ sinh học (Institute of Biotechnology, IBT), trực thuộc Viện Hàn lâm Khoa học và Công nghệ Việt Nam (Vietnam Academy of Science and Technology, VAST), là một viện nghiên cứu đầu ngành về...
Visit ibt.ac.vnWe analyzed Ibt.ac.vn page load time and found that the first response time was 1.2 sec and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
ibt.ac.vn performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value8.7 s
2/100
25%
Value13.2 s
3/100
10%
Value320 ms
77/100
30%
Value1.015
3/100
15%
Value7.6 s
47/100
10%
1200 ms
241 ms
495 ms
521 ms
805 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Ibt.ac.vn, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Ibt.ac.vn.
Page size can be reduced by 699.3 kB (48%)
1.5 MB
766.7 kB
In fact, the total size of Ibt.ac.vn main page is 1.5 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. 25% of websites need less resources to load. Javascripts take 741.5 kB which makes up the majority of the site volume.
Potential reduce by 43.2 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 43.2 kB or 81% of the original size.
Potential reduce by 23.8 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. Ibt images are well optimized though.
Potential reduce by 518.9 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 518.9 kB or 70% of the original size.
Potential reduce by 113.3 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. Ibt.ac.vn needs all CSS files to be minified and compressed as it can save up to 113.3 kB or 87% of the original size.
Number of requests can be reduced by 26 (54%)
48
22
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ibt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
ibt.ac.vn
1200 ms
style.css
241 ms
modal.css
495 ms
camera.css
521 ms
mootools-core.js
805 ms
core.js
500 ms
mootools-more.js
1060 ms
jquery.min.js
856 ms
jquery-noconflict.js
728 ms
jquery-migrate.min.js
736 ms
bootstrap.min.js
761 ms
modal.js
1000 ms
jquery.easing.1.3.js
992 ms
jquery.mobile.customized.min.js
1026 ms
camera.min.js
1052 ms
system.css
1159 ms
general.css
1228 ms
template.css
1247 ms
template.responsive.css
1267 ms
jquery.js
1423 ms
script.js
1326 ms
script.responsive.js
1313 ms
system.css
325 ms
analytics.js
132 ms
BANNER.png
488 ms
mail1.png
260 ms
en.png
266 ms
searchicon.png
264 ms
menuseparator.png
265 ms
spacer.gif
266 ms
ipg-chuyengia_ibt.png
497 ms
box_nghien_cuu_kh.png
509 ms
box_dich_vu_ibt.png
518 ms
banner.jpg
534 ms
91b8a82969b556c4fa5b814f66026e1e.jpg
524 ms
vast.png
830 ms
thuvienso.png
980 ms
tapchicnsh.png
849 ms
nasfo.png
998 ms
lobi.png
830 ms
logo_Vien_CNSH_web.jpg
852 ms
thu_vien_anh.JPG
1136 ms
postbullets.png
955 ms
camera-loader.gif
994 ms
01_IBT.jpg
1274 ms
collect
12 ms
03_huongnghiencuu1.jpg
2771 ms
blank.gif
264 ms
SAN-PHAM11.jpg
1542 ms
ibt.ac.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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.
ibt.ac.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
ibt.ac.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
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 Ibt.ac.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 Ibt.ac.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.
ibt.ac.vn
Open Graph description is not detected on the main page of Ibt. 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: