5.7 sec in total
929 ms
4.6 sec
209 ms
Click here to check amazing RDSIC content for Vietnam. Otherwise, check out these important facts you probably never knew about rdsic.edu.vn
Sứ mệnh của RDSIC là đưa CNTT vào tự động hóa trong mọi lĩnh vực của ngành Xây dựng.RDSIC là thương hiệu của Viện Tin học Xây dựng, trường Đại học Xây dựng và Trung tâm RACE, trường Đại học Giao Thông
Visit rdsic.edu.vnWe analyzed Rdsic.edu.vn page load time and found that the first response time was 929 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
rdsic.edu.vn performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value10.8 s
0/100
25%
Value9.5 s
12/100
10%
Value12,780 ms
0/100
30%
Value0.461
19/100
15%
Value23.5 s
1/100
10%
929 ms
995 ms
471 ms
923 ms
937 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 43% of them (26 requests) were addressed to the original Rdsic.edu.vn, 13% (8 requests) were made to Embed.tawk.to and 8% (5 requests) were made to Cdn.autoads.asia. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rdsic.edu.vn.
Page size can be reduced by 272.2 kB (22%)
1.2 MB
943.8 kB
In fact, the total size of Rdsic.edu.vn main page is 1.2 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. 60% of websites need less resources to load. Images take 967.1 kB which makes up the majority of the site volume.
Potential reduce by 36.9 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 36.9 kB or 77% of the original size.
Potential reduce by 211.5 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, RDSIC needs image optimization as it can save up to 211.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 10.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 13.2 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. Rdsic.edu.vn needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 23% of the original size.
Number of requests can be reduced by 29 (55%)
53
24
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RDSIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
rdsic.edu.vn
929 ms
rdsic.edu.vn
995 ms
bootstrap.min.css
471 ms
style.css
923 ms
jquery-1.11.2.min.js
937 ms
bootstrap.min.js
692 ms
oneweb.js
695 ms
jquery.carouFredSel.js
704 ms
js
47 ms
js
92 ms
style.css
715 ms
wowslider.js
970 ms
script.js
970 ms
social_like.js
1029 ms
analytics.js
171 ms
fbds.js
169 ms
widget_icon_click_to_call_square.svg
971 ms
widget_icon_messenger_square.svg
969 ms
widget_icon_zalo_square.svg
969 ms
Call.svg
969 ms
trans-call.svg
969 ms
logo.png
244 ms
facebook.png
256 ms
rdsic_web0-1349x425-2.png
1413 ms
PANEL00-1349x425-2.png
1172 ms
12986854_1610886549231598_788869360_o010-1349x425-2.jpg
709 ms
sl_bottom.jpg
254 ms
img_kh.jpg
492 ms
img_hocthuat.jpg
530 ms
img_news.jpg
723 ms
img_forum.jpg
700 ms
conversion_async.js
149 ms
bg_body.png
1336 ms
css
114 ms
h_search_input.png
774 ms
h_search_submit.png
778 ms
collect
19 ms
collect
28 ms
117 ms
ga-audiences
103 ms
up-arrow.png
641 ms
all.js
10 ms
plusone.js
104 ms
widgets.js
135 ms
default
247 ms
all.js
30 ms
78 ms
cb=gapi.loaded_0
35 ms
widget_iframe.7dae38096d06923d683a2a807172322a.html
89 ms
settings
92 ms
twk-event-polyfill.js
186 ms
twk-main.js
33 ms
twk-vendor.js
26 ms
twk-chunk-vendors.js
50 ms
twk-chunk-common.js
39 ms
twk-runtime.js
31 ms
twk-app.js
50 ms
like.php
136 ms
blxue7LW05k.js
58 ms
FEppCFCt76d.png
55 ms
rdsic.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
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.
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
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.
rdsic.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
rdsic.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 Rdsic.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 Rdsic.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.
rdsic.edu.vn
Open Graph description is not detected on the main page of RDSIC. 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: