33.8 sec in total
957 ms
32.4 sec
451 ms
Visit dientu4u.com now to see the best up-to-date Dientu 4 U content for Vietnam and also check out these interesting facts you probably never knew about dientu4u.com
Điện tử 4U chuyên cung cấp các loại: LINH KIỆN ĐIỆN TỬ, LINH KIỆN BÁN DẪN, IC CHUYÊN DỤNG, SÒ CÔNG SUẤT, MODULE CẢM ỨNG, CẢM BIẾN, MẠCH ĐIỆN TỬ ỨNG DỤNG, VÔN KẾ, AMPE KẾ, CÁC DỤNG CỤ ĐIỆN TỬ VÀ THIẾT ...
Visit dientu4u.comWe analyzed Dientu4u.com page load time and found that the first response time was 957 ms and then it took 32.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dientu4u.com performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value9.3 s
1/100
25%
Value28.1 s
0/100
10%
Value34,140 ms
0/100
30%
Value0.236
53/100
15%
Value48.2 s
0/100
10%
957 ms
11118 ms
647 ms
2248 ms
646 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 55% of them (32 requests) were addressed to the original Dientu4u.com, 9% (5 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Dientu4u.com.
Page size can be reduced by 260.3 kB (33%)
800.8 kB
540.5 kB
In fact, the total size of Dientu4u.com main page is 800.8 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. 30% of websites need less resources to load. Images take 477.4 kB which makes up the majority of the site volume.
Potential reduce by 177.1 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. This page needs HTML code to be minified as it can gain 34.9 kB, which is 18% 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 177.1 kB or 90% of the original size.
Potential reduce by 41.6 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. Dientu 4 U images are well optimized though.
Potential reduce by 32.1 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 32.1 kB or 28% of the original size.
Potential reduce by 9.5 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. Dientu4u.com needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 78% of the original size.
Number of requests can be reduced by 19 (40%)
47
28
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dientu 4 U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
dientu4u.com
957 ms
www.dientu4u.com
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stylesheet.css
647 ms
jquery.js
2248 ms
jcarousellite_1.0.1c4.js
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style.css
647 ms
adsbygoogle.js
96 ms
online
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online
182 ms
logo.png
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ca-pub-8016776425872418.js
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zrt_lookup.html
239 ms
show_ads_impl.js
281 ms
ads
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osd.js
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style.css
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18795 ms
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analytics.js
59 ms
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dientu4u.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
dientu4u.com 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
dientu4u.com 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dientu4u.com 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 Dientu4u.com 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.
dientu4u.com
Open Graph description is not detected on the main page of Dientu 4 U. 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: