36.4 sec in total
912 ms
34.9 sec
645 ms
Visit koolearn.com now to see the best up-to-date Koolearn content for China and also check out these interesting facts you probably never knew about koolearn.com
新东方在线为大学生提供考研考博、英语提升、四六级、雅思、托福、GRE、GMAT、SAT、ACT、AP、ALevel、日语、韩语、教资在线网课。依托强大的新东方师资力量与教学资源,拥有先进的教学内容开发与制作团队,致力于为大学生提供个性化、互动化、智能化的卓越在线学习体验。
Visit koolearn.comWe analyzed Koolearn.com page load time and found that the first response time was 912 ms and then it took 35.5 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.
koolearn.com performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value23.5 s
0/100
25%
Value22.2 s
0/100
10%
Value1,040 ms
26/100
30%
Value0.197
63/100
15%
Value20.3 s
2/100
10%
912 ms
1580 ms
833 ms
1120 ms
26 ms
Our browser made a total of 179 requests to load all elements on the main page. We found that 6% of them (11 requests) were addressed to the original Koolearn.com, 34% (60 requests) were made to Img.koolearn.com and 26% (46 requests) were made to File.koolearn.com. The less responsive or slowest element that took the longest time to load (16.8 sec) relates to the external source Static.soperson.com.
Page size can be reduced by 1.5 MB (38%)
4.0 MB
2.5 MB
In fact, the total size of Koolearn.com main page is 4.0 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. 50% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 406.5 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 120.0 kB, which is 26% 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 406.5 kB or 89% of the original size.
Potential reduce by 188.6 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. Koolearn images are well optimized though.
Potential reduce by 828.6 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 828.6 kB or 72% 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. Koolearn.com needs all CSS files to be minified and compressed as it can save up to 79.3 kB or 64% of the original size.
Number of requests can be reduced by 66 (38%)
173
107
The browser has sent 173 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koolearn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and as a result speed up the page load time.
koolearn.com
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koolearn.com accessibility score
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
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
Image elements do not have [alt] attributes
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.
koolearn.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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
koolearn.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koolearn.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Koolearn.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.
koolearn.com
Open Graph description is not detected on the main page of Koolearn. 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: