12.1 sec in total
1.3 sec
9.2 sec
1.7 sec
Visit s2u.vn now to see the best up-to-date S2U content for Vietnam and also check out these interesting facts you probably never knew about s2u.vn
Chuyên cung cấp dịch vụ Tên Miền, Hosting, Email, Website uy tín cùng đội ngũ hỗ trợ chuyên nghiệp, rất hân hạnh được phục vụ quý khách.
Visit s2u.vnWe analyzed S2u.vn page load time and found that the first response time was 1.3 sec and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
s2u.vn performance score
name
value
score
weighting
Value9.5 s
0/100
10%
Value14.0 s
0/100
25%
Value17.2 s
0/100
10%
Value210 ms
88/100
30%
Value0
100/100
15%
Value15.1 s
7/100
10%
1274 ms
502 ms
732 ms
502 ms
994 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 70% of them (94 requests) were addressed to the original S2u.vn, 19% (26 requests) were made to Fonts.gstatic.com and 10% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain S2u.vn.
Page size can be reduced by 146.4 kB (5%)
3.2 MB
3.1 MB
In fact, the total size of S2u.vn main page is 3.2 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. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 104.7 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 104.7 kB or 82% of the original size.
Potential reduce by 1 B
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. S2U images are well optimized though.
Potential reduce by 31.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 10.0 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. S2u.vn has all CSS files already compressed.
Number of requests can be reduced by 73 (72%)
101
28
The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S2U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
s2u.vn
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s2u.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
s2u.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
Page has valid source maps
s2u.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 S2u.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 S2u.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.
s2u.vn
Open Graph data is detected on the main page of S2U. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: