19.5 sec in total
2 sec
16.7 sec
823 ms
Click here to check amazing Vienxaydung content for Vietnam. Otherwise, check out these important facts you probably never knew about vienxaydung.edu.vn
Tổ Chức Đào Tạo Cấp Chứng Chỉ Bồi Dưỡng Đấu Thầu, Quản Lý Dự Án Xây Dựng, Chỉ Huy Trưởng, An Toàn Lao Động, Tư Vấn Giám Sát...v..v..v..trên Toàn Quốc
Visit vienxaydung.edu.vnWe analyzed Vienxaydung.edu.vn page load time and found that the first response time was 2 sec and then it took 17.5 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.
vienxaydung.edu.vn performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value3.1 s
75/100
25%
Value5.6 s
54/100
10%
Value250 ms
85/100
30%
Value0.156
74/100
15%
Value10.4 s
24/100
10%
2031 ms
124 ms
616 ms
644 ms
644 ms
Our browser made a total of 188 requests to load all elements on the main page. We found that 52% of them (97 requests) were addressed to the original Vienxaydung.edu.vn, 7% (14 requests) were made to Maps.googleapis.com and 5% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain Vienxaydung.edu.vn.
Page size can be reduced by 767.8 kB (39%)
2.0 MB
1.2 MB
In fact, the total size of Vienxaydung.edu.vn main page is 2.0 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. 80% 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 894.6 kB which makes up the majority of the site volume.
Potential reduce by 86.1 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 86.1 kB or 82% of the original size.
Potential reduce by 25.1 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. Vienxaydung images are well optimized though.
Potential reduce by 330.8 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 330.8 kB or 62% of the original size.
Potential reduce by 325.8 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. Vienxaydung.edu.vn needs all CSS files to be minified and compressed as it can save up to 325.8 kB or 76% of the original size.
Number of requests can be reduced by 84 (47%)
177
93
The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vienxaydung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
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vienxaydung.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
Image elements do not have [alt] attributes
Links do not have a discernible 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.
vienxaydung.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
Browser errors were logged to the console
vienxaydung.edu.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
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 Vienxaydung.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 Vienxaydung.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.
vienxaydung.edu.vn
Open Graph data is detected on the main page of Vienxaydung. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: