10.3 sec in total
1.4 sec
8.7 sec
203 ms
Click here to check amazing Khacademy content for South Korea. Otherwise, check out these important facts you probably never knew about khacademy.com
Visit khacademy.comWe analyzed Khacademy.com page load time and found that the first response time was 1.4 sec and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
khacademy.com performance score
name
value
score
weighting
Value1.9 s
88/100
10%
Value1.9 s
98/100
25%
Value5.1 s
61/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.9 s
100/100
10%
1435 ms
1029 ms
477 ms
519 ms
522 ms
Our browser made a total of 137 requests to load all elements on the main page. We found that 96% of them (132 requests) were addressed to the original Khacademy.com, 2% (3 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Khacademy.com.
Page size can be reduced by 737.3 kB (37%)
2.0 MB
1.3 MB
In fact, the total size of Khacademy.com main page is 2.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 59.8 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 9.0 kB, which is 12% 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 59.8 kB or 82% of the original size.
Potential reduce by 36.9 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. Khacademy images are well optimized though.
Potential reduce by 561.3 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 561.3 kB or 76% of the original size.
Potential reduce by 79.3 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. Khacademy.com needs all CSS files to be minified and compressed as it can save up to 79.3 kB or 81% of the original size.
Number of requests can be reduced by 77 (60%)
128
51
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Khacademy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 59 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
khacademy.com
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jquery.min.js
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ajax.js
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calendar.js
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jquery.tools.min.js
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khacademy.com 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.
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
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
khacademy.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
khacademy.com SEO score
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
KO
KO
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Khacademy.com can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Khacademy.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.
khacademy.com
Open Graph description is not detected on the main page of Khacademy. 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: