20.7 sec in total
3.9 sec
16.7 sec
52 ms
Click here to check amazing KIE N Thu C content for Vietnam. Otherwise, check out these important facts you probably never knew about kienthuc.com.vn
Báo Tri thức và Cuộc sống - TIN TỨC KIẾN THỨC 24H - Liên hiệp các Hội Khoa học Kỹ thuật Việt Nam - Thông tin sức khỏe, đẹp, giải trí, cộng đồng mạng, kho tri thức mới nhất, đọc tin tức c...
Visit kienthuc.com.vnWe analyzed Kienthuc.com.vn page load time and found that the first response time was 3.9 sec and then it took 16.7 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.
kienthuc.com.vn performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value14.4 s
0/100
25%
Value26.6 s
0/100
10%
Value3,890 ms
1/100
30%
Value0.211
59/100
15%
Value53.3 s
0/100
10%
3941 ms
1424 ms
1712 ms
2289 ms
2019 ms
Our browser made a total of 142 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kienthuc.com.vn, 23% (32 requests) were made to Static-cms-kienthuc.epicdn.me and 6% (9 requests) were made to Vietnamdaily-images.trithuccuocsong.vn. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Static.amcdn.vn.
Page size can be reduced by 110.4 kB (7%)
1.7 MB
1.6 MB
In fact, the total size of Kienthuc.com.vn main page is 1.7 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. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 15.3 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 15.3 kB or 65% of the original size.
Potential reduce by 50.2 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. KIE N Thu C images are well optimized though.
Potential reduce by 40.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 4.4 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. Kienthuc.com.vn has all CSS files already compressed.
Number of requests can be reduced by 59 (42%)
140
81
The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KIE N Thu C. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
kienthuc.net.vn
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kienthuc.com.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.
Impact
Issue
Buttons do not have an accessible name
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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
The document uses <meta http-equiv="refresh">
kienthuc.com.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
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
kienthuc.com.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
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 Kienthuc.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 Kienthuc.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.
kienthuc.com.vn
Open Graph description is not detected on the main page of KIE N Thu C. 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: