8.4 sec in total
1.2 sec
5.1 sec
2 sec
Welcome to jsntzy.com homepage info - get ready to check Jsntzy best content for China right away, or after learning these important things about jsntzy.com
南通智勇电子有限公司长期致力于高清视音频信号传输设备的研发、生产和销售,主要产品有:高清编解码器,HDMI编码器,高清光端机,HDMI/SDI/VGA/KVM光端机,网络网线传输器,高清USB视频采集卡,视频转换器等,为广大用户提供高质量视音频信号的长距离传输解决方案。
Visit jsntzy.comWe analyzed Jsntzy.com page load time and found that the first response time was 1.2 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
jsntzy.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value12.6 s
0/100
25%
Value27.8 s
0/100
10%
Value9,120 ms
0/100
30%
Value0
100/100
15%
Value24.4 s
0/100
10%
1242 ms
586 ms
599 ms
600 ms
608 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 7% of them (5 requests) were addressed to the original Jsntzy.com, 88% (61 requests) were made to Nwzimg.wezhan.cn and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Goutong.baidu.com.
Page size can be reduced by 1.1 MB (42%)
2.7 MB
1.6 MB
In fact, the total size of Jsntzy.com main page is 2.7 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 224.9 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 224.9 kB or 89% of the original size.
Potential reduce by 870.1 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. Obviously, Jsntzy needs image optimization as it can save up to 870.1 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 16.0 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 16.0 kB or 15% of the original size.
Potential reduce by 9.0 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. Jsntzy.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 28% of the original size.
Number of requests can be reduced by 21 (32%)
66
45
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsntzy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
jsntzy.com
1242 ms
pcstyle.css
586 ms
reset.css
599 ms
iconfont.css
600 ms
iconfont.css
608 ms
iconfont.css
607 ms
pager.css
607 ms
hover-effects.css
610 ms
antChain.css
622 ms
32_Pc_zh-CN.css
900 ms
jquery-1.10.2.min.js
642 ms
jquery.lazyload.min.js
622 ms
smart.animation.min.js
637 ms
kino.razor.min.js
623 ms
common.min.js
654 ms
admin.validator.min.js
645 ms
jquery.cookie.js
652 ms
jssor.slider-22.2.16-all.min.js
683 ms
jquery.jqueryzoom.js
662 ms
slideshow.js
665 ms
lz-parallax.min.js
658 ms
lz-parallax.min.js
506 ms
hm.js
1492 ms
ga_icon.png
432 ms
4391645.png
81 ms
4454501.jpg
123 ms
23659205.jpg
214 ms
27855579.jpg
213 ms
23671760.jpg
214 ms
25469034.jpg
161 ms
13418157.jpg
316 ms
7699287.jpg
485 ms
10507344.jpg
416 ms
8461200.jpg
416 ms
11112877.jpg
269 ms
7699393.jpg
338 ms
25229606.jpg
436 ms
25168114.jpg
505 ms
18531166.jpg
430 ms
16169079.jpg
431 ms
16169069.jpg
433 ms
16169018.jpg
459 ms
16404878.jpg
555 ms
26677350.jpg
871 ms
26732450.png
445 ms
25080296.jpg
586 ms
21184090.png
613 ms
19744958.jpg
614 ms
14563565.png
658 ms
19675877.jpg
683 ms
19079182.jpg
1293 ms
18889388.jpg
821 ms
21170139.png
1417 ms
24396484.png
819 ms
24397167.png
817 ms
4669846.png
835 ms
24403473.jpg
837 ms
iconfont.woff
78 ms
4757124.jpg
966 ms
25092119.jpg
721 ms
21257175.png
784 ms
20890562.png
704 ms
4390546.png
548 ms
iconfont.woff
44 ms
GetIdHitDic
803 ms
Index
259 ms
error.jpg
655 ms
hm.gif
316 ms
b.js
1562 ms
jsntzy.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.
jsntzy.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
jsntzy.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsntzy.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 Jsntzy.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.
jsntzy.com
Open Graph description is not detected on the main page of Jsntzy. 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: