7.4 sec in total
407 ms
4.6 sec
2.4 sec
Welcome to cnbou.com homepage info - get ready to check Cnbou best content right away, or after learning these important things about cnbou.com
CNBOU is a professional manufacturer of power inverters, battery chargers, off-grid solar inverters and energy storage systems, since 2012.
Visit cnbou.comWe analyzed Cnbou.com page load time and found that the first response time was 407 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cnbou.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value9.4 s
0/100
25%
Value12.3 s
3/100
10%
Value15,070 ms
0/100
30%
Value0.229
54/100
15%
Value22.2 s
1/100
10%
407 ms
608 ms
69 ms
125 ms
356 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 65% of them (34 requests) were addressed to the original Cnbou.com, 6% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Cnbou.com.
Page size can be reduced by 147.8 kB (4%)
3.4 MB
3.3 MB
In fact, the total size of Cnbou.com main page is 3.4 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. 65% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 62.5 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 24.3 kB, which is 33% 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 62.5 kB or 84% of the original size.
Potential reduce by 78.1 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. Cnbou images are well optimized though.
Potential reduce by 163 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. This website has mostly compressed JavaScripts.
Potential reduce by 7.0 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. Cnbou.com needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 13% of the original size.
Number of requests can be reduced by 12 (26%)
46
34
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnbou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
cnbou.com
407 ms
www.cnbou.com
608 ms
gtm.js
69 ms
js
125 ms
WebsiteAutomation.js
356 ms
style-starter.css
359 ms
jquery-3.3.1.min.js
314 ms
bootstrap.min.js
313 ms
swiper.min.js
300 ms
swiper.min.css
251 ms
js
27 ms
analytics.js
60 ms
collect
15 ms
collect
33 ms
ga-audiences
45 ms
widget
532 ms
fbevents.js
225 ms
c4c336e3a4e8412fa050d7cd3a452532.js
301 ms
china.jpg
358 ms
es.jpg
354 ms
86441267f056755938018362caff9492.png
488 ms
prducts.png
353 ms
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582 ms
download.png
582 ms
application.png
636 ms
video.png
692 ms
contact.png
737 ms
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2042 ms
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1350 ms
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492 ms
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1763 ms
MuseoSans-300.woff
1787 ms
fontawesome-webfont.woff
2286 ms
879846462874708
153 ms
pslog.gif
469 ms
website
110 ms
floatbutton11_f2633c317a38e36bbe0e23bfa4a3e9fa_.css
219 ms
floatbutton11_e9070ee0dbf032041c4c3e843f378249_.js
158 ms
float_6cd76475d822e7b44efcf2b1413f4967_.ttf
35 ms
cnbou.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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
cnbou.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
cnbou.com 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
Document uses plugins
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnbou.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cnbou.com 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.
cnbou.com
Open Graph data is detected on the main page of Cnbou. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: