17.7 sec in total
4.5 sec
13 sec
228 ms
Welcome to shop50039.21csp.com.cn homepage info - get ready to check Shop 50039 21 Csp best content for China right away, or after learning these important things about shop50039.21csp.com.cn
产品中心频道依托于中国安防行业协会,为企业提供专业的安防行业电子商务平台,供应视频监控、防盗报警、门禁识别、楼宇对讲、智能交通等各类安防产品。我们不仅提供最新的安防技术、产品动态,更提供最专业优质的服务。
Visit shop50039.21csp.com.cnWe analyzed Shop50039.21csp.com.cn page load time and found that the first response time was 4.5 sec and then it took 13.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
shop50039.21csp.com.cn performance score
name
value
score
weighting
Value1.7 s
91/100
10%
Value2.7 s
84/100
25%
Value6.7 s
36/100
10%
Value1,210 ms
20/100
30%
Value0.007
100/100
15%
Value8.4 s
39/100
10%
4468 ms
1265 ms
1252 ms
1614 ms
1289 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 16% of them (7 requests) were addressed to the original Shop50039.21csp.com.cn, 70% (31 requests) were made to B2b.21csp.com.cn and 2% (1 request) were made to S15.cnzz.com. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source B2b.21csp.com.cn.
Page size can be reduced by 550.5 kB (66%)
833.8 kB
283.3 kB
In fact, the total size of Shop50039.21csp.com.cn main page is 833.8 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. 15% of websites need less resources to load. Javascripts take 651.5 kB which makes up the majority of the site volume.
Potential reduce by 12.0 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. 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 12.0 kB or 73% of the original size.
Potential reduce by 2.2 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. Shop 50039 21 Csp images are well optimized though.
Potential reduce by 492.4 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 492.4 kB or 76% of the original size.
Potential reduce by 43.9 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. Shop50039.21csp.com.cn needs all CSS files to be minified and compressed as it can save up to 43.9 kB or 83% of the original size.
Number of requests can be reduced by 27 (64%)
42
15
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop 50039 21 Csp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
shop50039.21csp.com.cn
4468 ms
pub1.css
1265 ms
sx.css
1252 ms
jquery-ui-1.8.14.custom.css
1614 ms
style.css
1289 ms
bradeshop.css
1335 ms
prodClassnav.css
1618 ms
xm.js
1634 ms
o201307191115524361.jpg
1524 ms
t201405251235392424.jpg
2990 ms
t201405251226343323.jpg
2442 ms
t201405251228315118.jpg
3204 ms
ss11.jpg
7771 ms
gdf.jpg
2988 ms
bb2.jpg
1793 ms
hh11a.jpg
7087 ms
xxc.jpg
1438 ms
ge.jpg
491 ms
fer.jpg
933 ms
cc1.jpg
1785 ms
hh5.jpg
3591 ms
line.gif
2203 ms
ffr.jpg
2156 ms
jquery.js
4160 ms
jquery.cookie.js
1571 ms
jquery.hotkeys.js
1682 ms
jquery.jstree.js
4596 ms
jquery-1.7.2.min.js
3448 ms
jquery-ui-1.8.14.custom.min.js
7148 ms
public.js
3035 ms
bradeShopInit.js
3400 ms
bott.jpg
8118 ms
stat.php
782 ms
stat.htm
183 ms
core.php
1148 ms
9.gif
4925 ms
pic.gif
669 ms
app.gif
938 ms
get-json.ashx
426 ms
ui-bg_highlight-soft_100_eeeeee_1x100.png
403 ms
ui-bg_glass_65_ffffff_1x400.png
408 ms
ui-bg_glass_100_f6f6f6_1x400.png
1132 ms
open.gif
1241 ms
close.gif
470 ms
shop50039.21csp.com.cn 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
Form elements do not have associated labels
Links do not have a discernible name
shop50039.21csp.com.cn 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
shop50039.21csp.com.cn 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shop50039.21csp.com.cn 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 Shop50039.21csp.com.cn 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.
shop50039.21csp.com.cn
Open Graph description is not detected on the main page of Shop 50039 21 Csp. 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: