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Welcome to khoahoc.tv homepage info - get ready to check Khoa Hoc best content for Vietnam right away, or after learning these important things about khoahoc.tv
Visit khoahoc.tvWe analyzed Khoahoc.tv page load time and found that the first response time was 1.1 sec and then it took 71.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
khoahoc.tv performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value2.7 s
86/100
25%
Value6.3 s
42/100
10%
Value3,890 ms
1/100
30%
Value0.004
100/100
15%
Value12.2 s
15/100
10%
1064 ms
733 ms
35 ms
819 ms
728 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 18% of them (16 requests) were addressed to the original Khoahoc.tv, 63% (55 requests) were made to Img.khoahoc.tv and 6% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Khoahoc.tv.
Page size can be reduced by 229.8 kB (26%)
899.4 kB
669.6 kB
In fact, the total size of Khoahoc.tv main page is 899.4 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. 60% of websites need less resources to load. Images take 550.3 kB which makes up the majority of the site volume.
Potential reduce by 33.6 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 9.6 kB, which is 23% 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 33.6 kB or 80% of the original size.
Potential reduce by 32.7 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. Khoa Hoc images are well optimized though.
Potential reduce by 145.2 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 145.2 kB or 51% of the original size.
Potential reduce by 18.4 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. Khoahoc.tv needs all CSS files to be minified and compressed as it can save up to 18.4 kB or 77% of the original size.
Number of requests can be reduced by 21 (26%)
82
61
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Khoa Hoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
khoahoc.tv
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khoahoc.tv 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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
khoahoc.tv 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
khoahoc.tv 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 Khoahoc.tv 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 Khoahoc.tv 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.
khoahoc.tv
Open Graph description is not detected on the main page of Khoa Hoc. 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: