16.1 sec in total
660 ms
14.8 sec
606 ms
Visit szcasun.com now to see the best up-to-date Sz Casun content and also check out these interesting facts you probably never knew about szcasun.com
Casun is a leading China supplier of Bluetooth speakers, power banks, earphones, and USB products. We offer OEM and ODM services. Welcome to contact us for wholesale prices!
Visit szcasun.comWe analyzed Szcasun.com page load time and found that the first response time was 660 ms and then it took 15.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
szcasun.com performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value16.2 s
0/100
25%
Value18.8 s
0/100
10%
Value150 ms
95/100
30%
Value0.815
4/100
15%
Value13.7 s
10/100
10%
660 ms
1051 ms
446 ms
643 ms
1089 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Szcasun.com, 2% (1 request) were made to Sdk.51.la and 2% (1 request) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (11.2 sec) belongs to the original domain Szcasun.com.
Page size can be reduced by 524.3 kB (7%)
7.3 MB
6.8 MB
In fact, the total size of Szcasun.com main page is 7.3 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 6.9 MB which makes up the majority of the site volume.
Potential reduce by 56.0 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 18.2 kB, which is 29% 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 56.0 kB or 88% of the original size.
Potential reduce by 279.0 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. Sz Casun images are well optimized though.
Potential reduce by 180.9 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 180.9 kB or 62% of the original size.
Potential reduce by 8.4 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. Szcasun.com needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 25% of the original size.
Number of requests can be reduced by 6 (11%)
54
48
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Casun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
szcasun.com
660 ms
szcasun.com
1051 ms
style.css
446 ms
iconfont.css
643 ms
jquery.min.js
1089 ms
style.css
664 ms
respond.js
665 ms
jquery.SuperSlide.2.1.3.js
667 ms
owl.carousel.min.js
665 ms
custom.js
855 ms
jquery.fancybox.min.js
1198 ms
common.js
885 ms
js-sdk-pro.min.js
1016 ms
H3c2bb53eea1c4ece803bb7c2ca49c3b5t.jpg
534 ms
1-230404152321431.png
3810 ms
flag.png
222 ms
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4658 ms
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4173 ms
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3413 ms
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3302 ms
aboutbg2.png
3518 ms
loading.png
3626 ms
advantage01.png
3735 ms
advantage02.png
3840 ms
advantage03.png
3951 ms
318-cai978.ttf
4185 ms
iconfont.woff
3990 ms
productbg.jpg
4322 ms
pro_bg.png
4203 ms
ico312.png
4309 ms
casebg.jpg
6110 ms
collect
867 ms
admin-ajax.php
4238 ms
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4479 ms
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4560 ms
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6900 ms
szcasun.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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
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.
szcasun.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
szcasun.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Szcasun.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 Szcasun.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.
szcasun.com
Open Graph description is not detected on the main page of Sz Casun. 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: