56.4 sec in total
883 ms
55.2 sec
358 ms
Visit nio.cn now to see the best up-to-date Nio content for China and also check out these interesting facts you probably never knew about nio.cn
蔚来是一家全球化的智能电动汽车公司,于2014年11月成立。蔚来致力于通过提供高性能的智能电动汽车与极致用户体验,为用户创造愉悦的生活方式。
Visit nio.cnWe analyzed Nio.cn page load time and found that the first response time was 883 ms and then it took 55.6 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
nio.cn performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value11.2 s
0/100
25%
Value6.4 s
40/100
10%
Value320 ms
76/100
30%
Value0
100/100
15%
Value10.1 s
26/100
10%
883 ms
7099 ms
2701 ms
2176 ms
13807 ms
Our browser made a total of 110 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nio.cn, 46% (51 requests) were made to G.alicdn.com and 14% (15 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Login.taobao.com.
Page size can be reduced by 476.2 kB (25%)
1.9 MB
1.4 MB
In fact, the total size of Nio.cn main page is 1.9 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 102.4 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 102.4 kB or 73% of the original size.
Potential reduce by 82.6 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. Nio images are well optimized though.
Potential reduce by 214.4 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 214.4 kB or 40% of the original size.
Potential reduce by 76.7 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. Nio.cn needs all CSS files to be minified and compressed as it can save up to 76.7 kB or 75% of the original size.
Number of requests can be reduced by 64 (65%)
99
35
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
nio.cn
883 ms
shop36551478.taobao.com
7099 ms
shop36551478.taobao.com
2701 ms
shop36551478.world.taobao.com
2176 ms
shop36551478.world.taobao.com
13807 ms
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index.js
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g.alicdn.com
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nio.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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.
nio.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
nio.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
Tap targets are not sized appropriately
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nio.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 Nio.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
nio.cn
Open Graph description is not detected on the main page of Nio. 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: