37.6 sec in total
974 ms
35.9 sec
782 ms
Welcome to z.cn homepage info - get ready to check Z best content for China right away, or after learning these important things about z.cn
亚马逊中国(z.cn)坚持“以客户为中心”的理念,秉承“天天低价,正品行货”信念,销售图书、电脑、数码家电、母婴百货、服饰箱包等上千万种产品。亚马逊中国提供专业服务:正品行货天天低价,机打发票全国联保。货到付款,30天内可退换货。亚马逊为中国消费者提供便利、快捷的网购体验。
Visit z.cnWe analyzed Z.cn page load time and found that the first response time was 974 ms and then it took 36.6 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.
z.cn performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value6.4 s
9/100
25%
Value51.5 s
0/100
10%
Value54,580 ms
0/100
30%
Value0
100/100
15%
Value88.7 s
0/100
10%
974 ms
5214 ms
4795 ms
6196 ms
5795 ms
Our browser made a total of 167 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Z.cn, 44% (74 requests) were made to G-ec4.images-amazon.com and 23% (38 requests) were made to Ec4.images-amazon.com. The less responsive or slowest element that took the longest time to load (18.7 sec) relates to the external source Images-cn.ssl-images-amazon.com.
Page size can be reduced by 1.4 MB (37%)
3.9 MB
2.5 MB
In fact, the total size of Z.cn main page is 3.9 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 852.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 852.6 kB or 85% of the original size.
Potential reduce by 13.4 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. Z images are well optimized though.
Potential reduce by 446.7 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 446.7 kB or 74% of the original size.
Potential reduce by 108.8 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. Z.cn needs all CSS files to be minified and compressed as it can save up to 108.8 kB or 81% of the original size.
Number of requests can be reduced by 37 (23%)
163
126
The browser has sent 163 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
z.cn
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z.cn accessibility score
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.
z.cn 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
Browser errors were logged to the console
z.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z.cn 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 Z.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.
z.cn
Open Graph description is not detected on the main page of Z. 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: