4.3 sec in total
886 ms
3.3 sec
82 ms
Click here to check amazing High Flyers Ef content for China. Otherwise, check out these important facts you probably never knew about highflyers.ef.cn
Visit highflyers.ef.cnWe analyzed Highflyers.ef.cn page load time and found that the first response time was 886 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
highflyers.ef.cn performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value6.5 s
9/100
25%
Value13.8 s
1/100
10%
Value160 ms
94/100
30%
Value0.241
52/100
15%
Value6.0 s
64/100
10%
886 ms
709 ms
840 ms
2050 ms
711 ms
Our browser made a total of 16 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Highflyers.ef.cn, 75% (12 requests) were made to Cnchf.ef-cdn.com and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Cnchf.ef-cdn.com.
Page size can be reduced by 2.9 kB (3%)
88.2 kB
85.3 kB
In fact, the total size of Highflyers.ef.cn main page is 88.2 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. 20% of websites need less resources to load. Images take 63.0 kB which makes up the majority of the site volume.
Potential reduce by 2.8 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 648 B, which is 15% 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 2.8 kB or 66% of the original size.
Potential reduce by 56 B
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. High Flyers Ef images are well optimized though.
Potential reduce by 50 B
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.
Number of requests can be reduced by 4 (33%)
12
8
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of High Flyers Ef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
highflyers.ef.cn
886 ms
jquery.css
709 ms
home.css
840 ms
jquery.js
2050 ms
userdata.js
711 ms
home.js
859 ms
activity.js
1058 ms
Loading.gif
72 ms
educationvagrounded-light-webfont.ttf
147 ms
educationvagrounded-bold-webfont.ttf
215 ms
analytics.js
18 ms
Login.png
79 ms
collect
25 ms
collect
59 ms
MainMenu.png
72 ms
Profile.png
140 ms
highflyers.ef.cn 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
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
Form elements do not have associated labels
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.
highflyers.ef.cn 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
Missing source maps for large first-party JavaScript
highflyers.ef.cn SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Highflyers.ef.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Highflyers.ef.cn 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.
highflyers.ef.cn
Open Graph description is not detected on the main page of High Flyers Ef. 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: