10 sec in total
1.6 sec
8.2 sec
170 ms
Welcome to nvs.com.cn homepage info - get ready to check Nvs best content right away, or after learning these important things about nvs.com.cn
Visit nvs.com.cnWe analyzed Nvs.com.cn page load time and found that the first response time was 1.6 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
nvs.com.cn performance score
name
value
score
weighting
Value1.9 s
88/100
10%
Value2.1 s
96/100
25%
Value4.6 s
71/100
10%
Value0 ms
100/100
30%
Value0.003
100/100
15%
Value1.9 s
100/100
10%
1588 ms
109 ms
239 ms
1870 ms
66 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that 65% of them (11 requests) were addressed to the original Nvs.com.cn, 6% (1 request) were made to V1.cnzz.com and 6% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Pcookie.cnzz.com.
Page size can be reduced by 30.9 kB (22%)
143.4 kB
112.5 kB
In fact, the total size of Nvs.com.cn main page is 143.4 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. 15% of websites need less resources to load. Images take 112.3 kB which makes up the majority of the site volume.
Potential reduce by 2.5 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 550 B, which is 14% 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 2.5 kB or 64% of the original size.
Potential reduce by 7.8 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. Nvs images are well optimized though.
Potential reduce by 6.9 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 6.9 kB or 64% of the original size.
Potential reduce by 13.7 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. Nvs.com.cn needs all CSS files to be minified and compressed as it can save up to 13.7 kB or 84% of the original size.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nvs. According to our analytics all requests are already optimized.
nvs.com.cn
1588 ms
system.css
109 ms
jquery-1.11.3.min.js
239 ms
stat.php
1870 ms
templet-link.png
66 ms
body-bg-5.jpg
198 ms
search-icon-dark-gray.png
131 ms
unit-1.png
133 ms
common-avatar.png
131 ms
contact-qq.png
133 ms
a1a986fae54fdfe573300d86a8ff1f95_tel.png
145 ms
a1a986fae54fdfe573300d86a8ff1f95_email.png
213 ms
stat.htm
165 ms
core.php
988 ms
9.gif
1453 ms
pic.gif
2195 ms
app.gif
2342 ms
nvs.com.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.
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.
nvs.com.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
nvs.com.cn 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
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 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 Nvs.com.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 Nvs.com.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.
nvs.com.cn
Open Graph description is not detected on the main page of Nvs. 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: