8.6 sec in total
1.3 sec
6.4 sec
893 ms
Welcome to zento.vn homepage info - get ready to check Zento best content for Vietnam right away, or after learning these important things about zento.vn
Zento Việt Nam, chuyên cung cấp các loại sen cây, sen tắm, vòi nóng lạnh vòi rửa bát, phụ kiện nhà vệ sinh, phụ kiện phòng tắm, chất lượng giá cả tốt nhất
Visit zento.vnWe analyzed Zento.vn page load time and found that the first response time was 1.3 sec and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
zento.vn performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value13.0 s
0/100
25%
Value15.1 s
1/100
10%
Value360 ms
72/100
30%
Value0.864
4/100
15%
Value14.9 s
8/100
10%
1298 ms
515 ms
503 ms
510 ms
513 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 85% of them (70 requests) were addressed to the original Zento.vn, 4% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Zento.vn.
Page size can be reduced by 1.2 MB (49%)
2.5 MB
1.3 MB
In fact, the total size of Zento.vn main page is 2.5 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. 55% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 226.8 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 82.7 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 226.8 kB or 85% of the original size.
Potential reduce by 32.5 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. Zento images are well optimized though.
Potential reduce by 783.9 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 783.9 kB or 70% of the original size.
Potential reduce by 169.2 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. Zento.vn needs all CSS files to be minified and compressed as it can save up to 169.2 kB or 84% of the original size.
Number of requests can be reduced by 22 (27%)
81
59
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zento. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
zento.vn
1298 ms
bootstrap.min.css
515 ms
font-awesome.css
503 ms
my.css
510 ms
offcanvas.css
513 ms
superfish.css
523 ms
responsive.css
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camera.css
752 ms
ie-emulation-modes-warning.js
762 ms
ie10-viewport-bug-workaround.js
766 ms
jquery.min.js
1030 ms
jquery-ui.min.js
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bootstrap.min.js
807 ms
offcanvas.js
997 ms
superfish.js
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jquery.easing.1.3.js
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camera.js
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bootstrap-hover-dropdown.js
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my.js
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addthis_widget.js
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online
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online
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header.png
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logo.png
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cart-icon.png
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sep-1.png
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hotline.png
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analytics.js
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layers.e5ea973510bf60b3db41.js
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300lo.json
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sh.8e5f85691f9aaa082472a194.html
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glyphicons-halflings-regular.woff
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get_total
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short_cart
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fb.png
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google.jpg
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arrow_up.png
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camera-loader.gif
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banner7.jpg
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fql
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count.json
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info.json
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shares.json
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blank.gif
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zento.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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
zento.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
zento.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 Zento.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 Zento.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.
zento.vn
Open Graph description is not detected on the main page of Zento. 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: