14.7 sec in total
745 ms
12.8 sec
1.2 sec
Click here to check amazing E Learning Dongtrieu content for Vietnam. Otherwise, check out these important facts you probably never knew about e-learning.dongtrieu.edu.vn
E-Learning, Trung tâm dữ liệu, bài giảng điện tử, giáo án điện tử, chia sẻ bài giảng, chia sẻ dữ liệu, kho dữ liệu, bài giảng, lược đồ SGK
Visit e-learning.dongtrieu.edu.vnWe analyzed E-learning.dongtrieu.edu.vn page load time and found that the first response time was 745 ms and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
e-learning.dongtrieu.edu.vn performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value13.9 s
0/100
25%
Value14.3 s
1/100
10%
Value150 ms
94/100
30%
Value0.094
91/100
15%
Value26.0 s
0/100
10%
745 ms
4033 ms
508 ms
1211 ms
1012 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 96% of them (104 requests) were addressed to the original E-learning.dongtrieu.edu.vn, 2% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain E-learning.dongtrieu.edu.vn.
Page size can be reduced by 258.9 kB (27%)
976.6 kB
717.7 kB
In fact, the total size of E-learning.dongtrieu.edu.vn main page is 976.6 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. 40% of websites need less resources to load. Images take 440.7 kB which makes up the majority of the site volume.
Potential reduce by 250.1 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 250.1 kB or 92% of the original size.
Potential reduce by 8.4 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. E Learning Dongtrieu images are well optimized though.
Potential reduce by 371 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 85 B
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. E-learning.dongtrieu.edu.vn has all CSS files already compressed.
Number of requests can be reduced by 40 (39%)
103
63
The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Learning Dongtrieu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
e-learning.dongtrieu.edu.vn
745 ms
e-learning.dongtrieu.edu.vn
4033 ms
main.css
508 ms
bootstrap.min.css
1211 ms
font-awesome.min.css
1012 ms
front-end.css
764 ms
main.css
778 ms
barebone.jsp
1870 ms
jquery.js
1306 ms
jquery.cycle.js
1015 ms
jquery.dropshadow.js
1037 ms
jquery.simplyscroll.js
1266 ms
bootstrap.min.js
1267 ms
util.js
1295 ms
swfobject.js
1451 ms
main.css
1529 ms
chart.min.js
1281 ms
front-end.js
1313 ms
main.js
1327 ms
ga.js
88 ms
background.png
277 ms
article
1585 ms
menu-bg.png
286 ms
menu-activeleft.png
267 ms
menu-activeright.png
280 ms
menu-sep.png
288 ms
spacer.png
507 ms
en_GB.png
525 ms
vi_VN.png
534 ms
sub-menu-bg.png
544 ms
content_bg.png
548 ms
portlet-title.png
748 ms
portlet-topleft.png
772 ms
icon.png
789 ms
portlet-topright.png
803 ms
portlet-centerright.png
810 ms
portlet-centerleft.png
988 ms
portlet-content-bg.png
1021 ms
portlet-bottomcenter.png
1043 ms
portlet-bottomleft.png
1064 ms
portlet-bottomright.png
1071 ms
f528461e-67df-4ed6-8c69-0e8094f89d3f
1568 ms
9d21a622-c178-4a42-8729-704a6f759cb7
1576 ms
bullet.gif
1299 ms
default-image.png
2601 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1615 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1829 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1831 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1847 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1864 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
1897 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2099 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2092 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2642 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2143 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2415 ms
__utm.gif
12 ms
collect
24 ms
ga-audiences
27 ms
2073 ms
fontawesome-webfont.woff
2333 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2147 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2321 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2425 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2217 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2356 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2330 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3464 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2608 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2248 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3021 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
4307 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
5220 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2853 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2449 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2688 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2905 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2940 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3288 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2949 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2724 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2722 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2965 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2965 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2747 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2804 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2977 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3035 ms
user_male_portrait
2932 ms
user_female_portrait
3092 ms
user_female_portrait
3243 ms
user_female_portrait
2934 ms
2811 ms
user_female_portrait
3440 ms
user_male_portrait
3229 ms
user_female_portrait
3494 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
2863 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3001 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3124 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3215 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3216 ms
home;jsessionid=jBUMUobMnS6Opc5mA2MGRNFf.undefined
3195 ms
_sprite.png
3236 ms
click.png
3191 ms
dot40.png
3020 ms
paging_next.png
2846 ms
footer_bg.png
2657 ms
bottom_menu_bg.png
2644 ms
e-learning.dongtrieu.edu.vn accessibility score
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
e-learning.dongtrieu.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
e-learning.dongtrieu.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
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 E-learning.dongtrieu.edu.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 E-learning.dongtrieu.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.
e-learning.dongtrieu.edu.vn
Open Graph description is not detected on the main page of E Learning Dongtrieu. 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: