4.2 sec in total
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We analyzed Topdeal.vn page load time and found that the first response time was 1.4 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
topdeal.vn performance score
Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Topdeal.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Topdeal.vn.
Page size can be reduced by 27.6 kB (52%)
In fact, the total size of Topdeal.vn main page is 52.6 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. Only 10% of websites need less resources to load. Images take 27.0 kB which makes up the majority of the site volume.
Potential reduce by 16.6 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 31% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.6 kB or 84% of the original size.
Potential reduce by 6.1 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. Obviously, Topdeal needs image optimization as it can save up to 6.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 679 B
Potential reduce by 4.3 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. Topdeal.vn needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 87% of the original size.
We found no issues to fix!
topdeal.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.
Document doesn't have a <title> element
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
topdeal.vn best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
topdeal.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document doesn't have a <title> element
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Topdeal.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Topdeal.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 Topdeal. 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: