19.8 sec in total
992 ms
18.3 sec
465 ms
Welcome to daidung.vn homepage info - get ready to check Dai Dung best content for Vietnam right away, or after learning these important things about daidung.vn
Tập đoàn Đại Dũng chuyên cung cấp dịch vụ tổng thầu và sản phẩm kết cấu thép đáp ứng các yêu cầu kỹ thuật cao, đảm bảo tiêu chuẩn chất lượng
Visit daidung.vnWe analyzed Daidung.vn page load time and found that the first response time was 992 ms and then it took 18.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
daidung.vn performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value17.8 s
0/100
25%
Value19.2 s
0/100
10%
Value26,150 ms
0/100
30%
Value0.042
99/100
15%
Value42.1 s
0/100
10%
992 ms
4710 ms
683 ms
690 ms
461 ms
Our browser made a total of 164 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Daidung.vn, 90% (147 requests) were made to Daidung.com.vn and 2% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Daidung.com.vn.
Page size can be reduced by 2.8 MB (14%)
19.6 MB
16.8 MB
In fact, the total size of Daidung.vn main page is 19.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 18.7 MB which makes up the majority of the site volume.
Potential reduce by 307 B
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 307 B or 50% of the original size.
Potential reduce by 2.1 MB
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, Dai Dung needs image optimization as it can save up to 2.1 MB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 413.1 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 413.1 kB or 71% of the original size.
Potential reduce by 290.1 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. Daidung.vn needs all CSS files to be minified and compressed as it can save up to 290.1 kB or 83% of the original size.
Number of requests can be reduced by 31 (19%)
159
128
The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dai Dung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
daidung.vn
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daidung.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
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.
daidung.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
daidung.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Daidung.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 Daidung.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.
daidung.vn
Open Graph description is not detected on the main page of Dai Dung. 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: