5.9 sec in total
520 ms
5 sec
395 ms
Welcome to nano.vn homepage info - get ready to check NANO best content for Vietnam right away, or after learning these important things about nano.vn
Visit nano.vnWe analyzed Nano.vn page load time and found that the first response time was 520 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
nano.vn performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value10.1 s
0/100
25%
Value10.2 s
9/100
10%
Value780 ms
38/100
30%
Value0.047
99/100
15%
Value10.3 s
25/100
10%
520 ms
1184 ms
812 ms
46 ms
28 ms
Our browser made a total of 149 requests to load all elements on the main page. We found that 66% of them (98 requests) were addressed to the original Nano.vn, 32% (48 requests) were made to Cdn.sg.twv.me and 1% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Cdn.sg.twv.me.
Page size can be reduced by 208.5 kB (28%)
741.9 kB
533.4 kB
In fact, the total size of Nano.vn main page is 741.9 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. 45% of websites need less resources to load. Images take 394.3 kB which makes up the majority of the site volume.
Potential reduce by 190.9 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 190.9 kB or 85% of the original size.
Potential reduce by 9.1 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. NANO images are well optimized though.
Potential reduce by 17 B
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 8.5 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. Nano.vn has all CSS files already compressed.
Number of requests can be reduced by 91 (75%)
122
31
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NANO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 48 to 1 for CSS and as a result speed up the page load time.
nano.vn
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nano.vn
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nano.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
Links do not have a discernible name
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.
nano.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
nano.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
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nano.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 Nano.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.
nano.vn
Open Graph description is not detected on the main page of NANO. 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: