19.7 sec in total
6.8 sec
12.7 sec
245 ms
Visit bang2.duytan.edu.vn now to see the best up-to-date Bang 2 Duy Tan content for Vietnam and also check out these interesting facts you probably never knew about bang2.duytan.edu.vn
This is CMS DTU
Visit bang2.duytan.edu.vnWe analyzed Bang2.duytan.edu.vn page load time and found that the first response time was 6.8 sec and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bang2.duytan.edu.vn performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value2.6 s
87/100
25%
Value8.0 s
21/100
10%
Value0 ms
100/100
30%
Value0.005
100/100
15%
Value2.7 s
97/100
10%
6803 ms
2330 ms
1654 ms
672 ms
494 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 91% of them (41 requests) were addressed to the original Bang2.duytan.edu.vn, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Nhungdieucanbiet.edu.vn. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Bang2.duytan.edu.vn.
Page size can be reduced by 164.3 kB (45%)
368.3 kB
204.1 kB
In fact, the total size of Bang2.duytan.edu.vn main page is 368.3 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. 15% of websites need less resources to load. Images take 157.1 kB which makes up the majority of the site volume.
Potential reduce by 22.1 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. 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 22.1 kB or 80% of the original size.
Potential reduce by 15.2 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. Bang 2 Duy Tan images are well optimized though.
Potential reduce by 47.4 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 47.4 kB or 53% of the original size.
Potential reduce by 79.6 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. Bang2.duytan.edu.vn needs all CSS files to be minified and compressed as it can save up to 79.6 kB or 84% of the original size.
Number of requests can be reduced by 7 (16%)
43
36
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bang 2 Duy Tan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.
bang2.duytan.edu.vn
6803 ms
jquery-1.4.1.min.js
2330 ms
style.css
1654 ms
style_mau.css
672 ms
index.css
494 ms
nhansu.css
552 ms
photo.css
560 ms
navigation.css
963 ms
nav_vertical.css
662 ms
reset.css
958 ms
ga.js
57 ms
21_549_634928001815494759gif-tuyensinh2013.gif
498 ms
ndcb.jpg
2368 ms
bg-body.gif
262 ms
bg-header.gif
293 ms
logo-top.gif
277 ms
482d40f7-122b-4986-a8a0-a38d0d732161titleheader.gif
491 ms
7a567cc5-767f-4b6e-96ca-aa00ba7219acimgbanner.jpg
609 ms
center-bg-topnav.gif
323 ms
left-bg-topnav.gif
521 ms
boder-topnav.gif
548 ms
top-bg-leftnav.gif
550 ms
bg-leftnav.gif
594 ms
bullet-left-nav.gif
759 ms
bot-bg-leftnav.gif
780 ms
skype_nick.png
831 ms
9533462b-a445-4593-9350-d5ad4bfbda31_bannerpsu.gif
925 ms
03f0671b-ff3a-4ee2-8343-0265a8476a7c_addemo.gif
968 ms
0bc460db-f55b-436a-924d-8c31b3726147_adgallery.gif
1103 ms
c4f911fd-6900-4d8a-85d6-8a7e08fbf3c2_banneradsanchoi.gif
2750 ms
statistics-bg.gif
3725 ms
4248c60d-a24f-4688-a94c-56bc069f23f5_topbgshowcase.gif
1320 ms
bg-showcase.gif
1315 ms
87a7b8ea-27ef-421f-aa5f-3ada56008567b3d31e33-85f3-4dda-ab79-600ed4bbed28index-02_52.jpg
2066 ms
bullet-showcase.gif
1554 ms
45d01a0a-f676-4c3d-8234-7661c47b4245_botbgshowcase.gif
1784 ms
8b85c5f7-caf1-4cf7-8c00-dd9d4694f941index-02_54.jpg
2061 ms
new_icon.gif
2000 ms
5c88987b-1d9b-4058-822c-bfc9e3b5ed32index-02_56.jpg
2286 ms
d22b1104-1ec6-4240-b680-dcf703259f96mg6595.jpg
2628 ms
INDEX-02_92.gif
2549 ms
INDEX-02_106.gif
2565 ms
arrow1c.gif
2645 ms
bullet-footer.gif
2820 ms
__utm.gif
33 ms
bang2.duytan.edu.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.
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
bang2.duytan.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
bang2.duytan.edu.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 Bang2.duytan.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 Bang2.duytan.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.
bang2.duytan.edu.vn
Open Graph description is not detected on the main page of Bang 2 Duy Tan. 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: