10 sec in total
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554 ms
Welcome to vnk.edu.vn homepage info - get ready to check VNK best content for Vietnam right away, or after learning these important things about vnk.edu.vn
Bạn mong muốn trở thành kỹ sư thiết kế cơ điện. Hãy đến ngay VNK để được trải nghiệm các khóa học M&E chuyên nghiệp: Điện-Nước-ĐHKK-PCCC-Revit MEP-Autocad
Visit vnk.edu.vnWe analyzed Vnk.edu.vn page load time and found that the first response time was 2.6 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
vnk.edu.vn performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value18.2 s
0/100
25%
Value17.0 s
0/100
10%
Value1,780 ms
10/100
30%
Value0.057
98/100
15%
Value22.0 s
1/100
10%
2607 ms
290 ms
532 ms
562 ms
855 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 39% of them (40 requests) were addressed to the original Vnk.edu.vn, 22% (22 requests) were made to Static.xx.fbcdn.net and 8% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Vnk.edu.vn.
Page size can be reduced by 343.5 kB (21%)
1.7 MB
1.3 MB
In fact, the total size of Vnk.edu.vn main page is 1.7 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 1.3 MB which makes up the majority of the site volume.
Potential reduce by 44.4 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 44.4 kB or 77% of the original size.
Potential reduce by 74.8 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. VNK images are well optimized though.
Potential reduce by 132.6 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 132.6 kB or 62% of the original size.
Potential reduce by 91.7 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. Vnk.edu.vn needs all CSS files to be minified and compressed as it can save up to 91.7 kB or 82% of the original size.
Number of requests can be reduced by 52 (53%)
98
46
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VNK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
vnk.edu.vn
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vnk.edu.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
vnk.edu.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
vnk.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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vnk.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Vnk.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.
vnk.edu.vn
Open Graph data is detected on the main page of VNK. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: