54.8 sec in total
2.2 sec
52.1 sec
549 ms
Visit zy.com now to see the best up-to-date Zy content for China and also check out these interesting facts you probably never knew about zy.com
卓越教育官网
Visit zy.comWe analyzed Zy.com page load time and found that the first response time was 2.2 sec and then it took 52.6 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.
zy.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value9.9 s
0/100
25%
Value11.5 s
5/100
10%
Value80 ms
99/100
30%
Value0.052
99/100
15%
Value8.2 s
40/100
10%
2189 ms
18684 ms
3737 ms
11131 ms
1333 ms
Our browser made a total of 145 requests to load all elements on the main page. We found that 54% of them (79 requests) were addressed to the original Zy.com, 8% (12 requests) were made to Res.zy.com and 6% (8 requests) were made to File.zy.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Zy.com.
Page size can be reduced by 577.5 kB (66%)
873.8 kB
296.3 kB
In fact, the total size of Zy.com main page is 873.8 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. 30% of websites need less resources to load. Javascripts take 564.6 kB which makes up the majority of the site volume.
Potential reduce by 173.3 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. This page needs HTML code to be minified as it can gain 37.8 kB, which is 19% 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 173.3 kB or 86% of the original size.
Potential reduce by 17.5 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. Obviously, Zy needs image optimization as it can save up to 17.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 384.2 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 384.2 kB or 68% of the original size.
Potential reduce by 2.6 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. Zy.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 62% of the original size.
Number of requests can be reduced by 61 (44%)
140
79
The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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zy.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.
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.
zy.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zy.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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 doesn't use 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 Zy.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 Zy.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.
{{og_description}}
zy.com
Open Graph description is not detected on the main page of Zy. 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: