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We analyzed Vattuvienthong.com.vn page load time and found that the first response time was 2.3 sec and then it took 17.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vattuvienthong.com.vn performance score
Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Vattuvienthong.com.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Vattuvienthong.com.vn.
Page size can be reduced by 78.6 kB (23%)
In fact, the total size of Vattuvienthong.com.vn main page is 341.7 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. 25% of websites need less resources to load. Images take 259.2 kB which makes up the majority of the site volume.
Potential reduce by 59.4 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 59.4 kB or 86% of the original size.
Potential reduce by 13.6 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. Vattuvienthong images are well optimized though.
Potential reduce by 3.1 kB
Potential reduce by 2.5 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. Vattuvienthong.com.vn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 41% of the original size.
Number of requests can be reduced by 6 (9%)
vattuvienthong.com.vn accessibility score
These are opportunities to improve the legibility of your content.
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.
<html> element does not have a [lang] attribute
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.
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Links do not have a discernible name
vattuvienthong.com.vn best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Serves images with low resolution
vattuvienthong.com.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vattuvienthong.com.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 Vattuvienthong.com.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.
Open Graph description is not detected on the main page of Vattuvienthong. 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: