9.4 sec in total
1.8 sec
7.4 sec
299 ms
Welcome to e-learning.hanoiedu.vn homepage info - get ready to check E Learning Hanoiedu best content for Vietnam right away, or after learning these important things about e-learning.hanoiedu.vn
Sở GD&ĐT Hà Nội - TRANG THÔNG TIN ĐIỆN TỬ NGÀY HỘI CNTT LẦN THỨ V
Visit e-learning.hanoiedu.vnWe analyzed E-learning.hanoiedu.vn page load time and found that the first response time was 1.8 sec and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
e-learning.hanoiedu.vn performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value3.6 s
59/100
25%
Value6.5 s
39/100
10%
Value10 ms
100/100
30%
Value0.082
94/100
15%
Value3.5 s
92/100
10%
1754 ms
1370 ms
1923 ms
847 ms
1184 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 E-learning.hanoiedu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain E-learning.hanoiedu.vn.
Page size can be reduced by 238.1 kB (35%)
685.3 kB
447.2 kB
In fact, the total size of E-learning.hanoiedu.vn main page is 685.3 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 383.6 kB which makes up the majority of the site volume.
Potential reduce by 51.4 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 51.4 kB or 83% of the original size.
Potential reduce by 46.2 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. Obviously, E Learning Hanoiedu needs image optimization as it can save up to 46.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 140.6 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 140.6 kB or 66% of the original size.
Potential reduce by 0 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.
Number of requests can be reduced by 19 (31%)
62
43
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Learning Hanoiedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
e-learning.hanoiedu.vn
1754 ms
db857281f01ed1888b0f1c7184c17c36.opt.css
1370 ms
jquery.min.js
1923 ms
vi.js
847 ms
global.js
1184 ms
user.js
597 ms
jquery.imgpreload.min.js
846 ms
shadowbox.js
2025 ms
user.js
1135 ms
ddsmoothmenu.js
856 ms
contentslider.js
857 ms
jquery.ui.core.min.js
872 ms
jquery.ui.tabs.min.js
908 ms
mudim.js
1089 ms
header.jpg
1175 ms
logo.gif
594 ms
nav_bg.jpg
594 ms
nav_home_r.jpg
278 ms
nav_home_l.jpg
295 ms
rss_button.jpg
304 ms
message_bg.jpg
545 ms
message_time_bg_r.jpg
571 ms
message_time_bg_l.jpg
574 ms
message_search.jpg
818 ms
h3.header.jpg
860 ms
anigif1.gif
852 ms
users.png
883 ms
today.png
884 ms
month.png
1081 ms
hits.png
1124 ms
pix.gif
1165 ms
548117cf_2024f565_dvl_1424-copy_resize_3.jpg
1185 ms
2014_77_08_a3.jpg
1488 ms
khaigiang1_2.jpg
1360 ms
26_1.jpg
1402 ms
images_4.jpg
1474 ms
spk14387.jpg
1468 ms
551dfadf_548a1cd8_p1060170_resize.jpg
1501 ms
tai-xuong-1_2.jpg
1634 ms
e-learning_1.jpg
1697 ms
e-learning.jpg
1771 ms
anh-nen-1.png
1779 ms
bai2.jpg
1806 ms
index.php
1855 ms
nukeviet.png
1914 ms
button01_r.png
2049 ms
button01_l.png
2050 ms
news_cat_header.png
2084 ms
news_arrow_down.png
2127 ms
news_cat_r.png
1911 ms
news_cat_l.png
2016 ms
arrow_left_orange.png
2060 ms
footer_bg.jpg
1809 ms
right.gif
1826 ms
548117cf_2024f565_dvl_1424-copy_resize.jpg
2760 ms
spk14387.jpg
2994 ms
transparent.png
286 ms
prev.png
294 ms
next.png
293 ms
tabs_arrow_down.jpg
276 ms
tabs_l.png
281 ms
tabs_r.png
275 ms
squared-blue.png
540 ms
e-learning.hanoiedu.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
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
e-learning.hanoiedu.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
e-learning.hanoiedu.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
Document uses plugins
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise E-learning.hanoiedu.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.hanoiedu.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.hanoiedu.vn
Open Graph description is not detected on the main page of E Learning Hanoiedu. 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: