14.8 sec in total
3.8 sec
9.4 sec
1.6 sec
Visit nn40.com now to see the best up-to-date Nn 40 content and also check out these interesting facts you probably never knew about nn40.com
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Visit nn40.comWe analyzed Nn40.com page load time and found that the first response time was 3.8 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
nn40.com performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value2.8 s
82/100
25%
Value16.8 s
0/100
10%
Value1,520 ms
13/100
30%
Value0.064
97/100
15%
Value5.7 s
68/100
10%
3772 ms
4901 ms
1426 ms
517 ms
427 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Nn40.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Nn40.com.
Page size can be reduced by 146.3 kB (63%)
233.5 kB
87.2 kB
In fact, the total size of Nn40.com main page is 233.5 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. Only 10% of websites need less resources to load. HTML takes 149.6 kB which makes up the majority of the site volume.
Potential reduce by 126.7 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 126.7 kB or 85% of the original size.
Potential reduce by 814 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. Nn 40 images are well optimized though.
Potential reduce by 956 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 956 B or 52% of the original size.
Potential reduce by 17.8 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. Nn40.com needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 77% of the original size.
Number of requests can be reduced by 17 (50%)
34
17
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nn 40. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
nn40.com
3772 ms
Css.css
4901 ms
head.css
1426 ms
common.js
517 ms
logoban.js
427 ms
ss.js
373 ms
tongji.js
213 ms
newbg.gif
254 ms
top-index-line.jpg
271 ms
logo.gif
695 ms
ym-l.jpg
655 ms
ym-r.jpg
655 ms
cont5foot10.jpg
857 ms
rt-bottom.gif
652 ms
note.gif
655 ms
logo.jpg
657 ms
5895938.gif
3434 ms
nav-line.jpg
604 ms
bg_cm1.jpg
825 ms
menu-line.jpg
866 ms
ym-cx.jpg
1100 ms
ym-line.jpg
709 ms
dian_c.jpg
815 ms
ad-bg.jpg
1699 ms
bg_cont5_m.jpg
901 ms
bg_cont5.jpg
1187 ms
bg_cm.jpg
1141 ms
ft.gif
1100 ms
3rt.gif
1229 ms
rt-line.jpg
1465 ms
rt.gif
1532 ms
2rt.gif
1549 ms
gg-top.jpg
1738 ms
gg-line.jpg
1678 ms
55.gif
1746 ms
66.gif
1780 ms
bottom-bg.jpg
1889 ms
nn40.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.
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
nn40.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
nn40.com 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nn40.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 Nn40.com main page’s claimed encoding is gb2312. 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.
nn40.com
Open Graph description is not detected on the main page of Nn 40. 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: