12.4 sec in total
2.6 sec
9.3 sec
573 ms
Welcome to heizen.vn homepage info - get ready to check Heizen best content for Vietnam right away, or after learning these important things about heizen.vn
Đèn sưởi nhà tắm Heizen TỐT NHẤT cho người già, bà bầu và trẻ nhỏ là dòng đèn sưởi cao cấp sử dụng công nghệ hồng ngoại, không đốt cháy Oxy, Bảo hành 10 năm
Visit heizen.vnWe analyzed Heizen.vn page load time and found that the first response time was 2.6 sec and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
heizen.vn performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value7.0 s
6/100
25%
Value12.1 s
4/100
10%
Value20 ms
100/100
30%
Value0.001
100/100
15%
Value7.3 s
50/100
10%
2588 ms
504 ms
507 ms
514 ms
517 ms
Our browser made a total of 112 requests to load all elements on the main page. We found that 66% of them (74 requests) were addressed to the original Heizen.vn, 9% (10 requests) were made to Satoristudio.net and 4% (4 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Heizen.vn.
Page size can be reduced by 2.2 MB (38%)
5.8 MB
3.6 MB
In fact, the total size of Heizen.vn main page is 5.8 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. 65% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.
Potential reduce by 70.1 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 70.1 kB or 80% of the original size.
Potential reduce by 940.8 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, Heizen needs image optimization as it can save up to 940.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 848.6 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 848.6 kB or 72% of the original size.
Potential reduce by 358.4 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. Heizen.vn needs all CSS files to be minified and compressed as it can save up to 358.4 kB or 83% of the original size.
Number of requests can be reduced by 56 (54%)
103
47
The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heizen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
heizen.vn
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heizen.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
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.
heizen.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
heizen.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heizen.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 Heizen.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.
heizen.vn
Open Graph description is not detected on the main page of Heizen. 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: