28.5 sec in total
753 ms
24.7 sec
3.1 sec
Click here to check amazing En XFNANO content for China. Otherwise, check out these important facts you probably never knew about en.xfnano.com
Nanjing XFNANO Materials Tech Co., Ltd is registered in the National University Science Park . XFNANO is graphene,fullerene, nanomaterials supplier
Visit en.xfnano.comWe analyzed En.xfnano.com page load time and found that the first response time was 753 ms and then it took 27.8 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.
en.xfnano.com performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value7.8 s
3/100
25%
Value8.9 s
15/100
10%
Value820 ms
35/100
30%
Value0.264
47/100
15%
Value7.9 s
43/100
10%
753 ms
2238 ms
1572 ms
1003 ms
1673 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 73% of them (43 requests) were addressed to the original En.xfnano.com, 24% (14 requests) were made to Xfnano.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Xfnano.com.
Page size can be reduced by 251.7 kB (17%)
1.4 MB
1.2 MB
In fact, the total size of En.xfnano.com main page is 1.4 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 103.5 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. 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 103.5 kB or 78% of the original size.
Potential reduce by 33.4 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. En XFNANO images are well optimized though.
Potential reduce by 66.4 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 66.4 kB or 63% of the original size.
Potential reduce by 48.4 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. En.xfnano.com needs all CSS files to be minified and compressed as it can save up to 48.4 kB or 86% of the original size.
Number of requests can be reduced by 19 (39%)
49
30
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En XFNANO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
en.xfnano.com
753 ms
en.xfnano.com
2238 ms
style.css
1572 ms
top.js
1003 ms
jquery-1.4.4.min.js
1673 ms
zxd_index.js
1066 ms
rindex.css
1076 ms
uaredirect.js
1101 ms
jquery-1.1.3.1.pack.js
1395 ms
prototype.ashx
857 ms
core.ashx
1078 ms
converter.ashx
892 ms
MasterPage,App_Web_xhf44q3r.ashx
1073 ms
hm.js
1671 ms
20180914101345415.jpg
701 ms
ymx.png
867 ms
ali.png
433 ms
link1.jpg
223 ms
link2.jpg
223 ms
link3.jpg
202 ms
link4.jpg
200 ms
link5.jpg
396 ms
weixin.png
417 ms
topnav_bg.gif
394 ms
logo.jpg
604 ms
search_input_bg.gif
553 ms
search_input_btn.gif
578 ms
nav_bg1.gif
605 ms
nav_line.gif
609 ms
flash_l_btn.png
756 ms
flash_r_btn.png
776 ms
title1.gif
822 ms
line_blue.gif
826 ms
ico1.gif
830 ms
line_orange.gif
966 ms
title2.gif
973 ms
ico2.gif
1051 ms
line_yellow.gif
1058 ms
title3.gif
1060 ms
indexabout_bg.gif
1061 ms
title4.gif
1171 ms
line_seablue.gif
1170 ms
footer_logo.jpg
1260 ms
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657 ms
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658 ms
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659 ms
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671 ms
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675 ms
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824 ms
consult_icon.gif
618 ms
float_top.gif
617 ms
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1620 ms
20220928165112997.jpg
20191 ms
20220106101140790.png
1690 ms
2019062711145036.jpg
8321 ms
20190619173056477.jpg
11216 ms
20211230143853370.jpg
2535 ms
20171103113615543.jpg
2442 ms
hm.gif
304 ms
en.xfnano.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
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.
en.xfnano.com 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
General
Impact
Issue
Detected JavaScript libraries
en.xfnano.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.xfnano.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 En.xfnano.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.
en.xfnano.com
Open Graph description is not detected on the main page of En XFNANO. 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: