48.5 sec in total
6.1 sec
42.2 sec
206 ms
Click here to check amazing Zlg content for China. Otherwise, check out these important facts you probably never knew about zlg.cn
广州致远电子股份有限公司作为工业互联网产品与解决方案供应商,专注服务工业领域企业类用户,提供从感知控制、互联互通、边缘计算到ZWS IoT-PaaS云平台的产品与系统化方案,与生态伙伴开放合作,为客户创造价值。
Visit zlg.cnWe analyzed Zlg.cn page load time and found that the first response time was 6.1 sec and then it took 42.4 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 were 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zlg.cn performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value9.1 s
1/100
25%
Value11.2 s
5/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value7.6 s
46/100
10%
6098 ms
5274 ms
1131 ms
797 ms
11381 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 56% of them (37 requests) were addressed to the original Zlg.cn, 20% (13 requests) were made to Qiao.baidu.com and 6% (4 requests) were made to P1.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Cnzz.mmstat.com.
Page size can be reduced by 332.2 kB (25%)
1.3 MB
1.0 MB
In fact, the total size of Zlg.cn main page is 1.3 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. 20% of websites need less resources to load. Images take 895.5 kB which makes up the majority of the site volume.
Potential reduce by 28.4 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 7.4 kB, which is 21% 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 28.4 kB or 79% of the original size.
Potential reduce by 4.3 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. Zlg images are well optimized though.
Potential reduce by 209.9 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 209.9 kB or 70% of the original size.
Potential reduce by 89.6 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. Zlg.cn needs all CSS files to be minified and compressed as it can save up to 89.6 kB or 83% of the original size.
Number of requests can be reduced by 33 (59%)
56
23
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zlg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
zlg.cn
6098 ms
www.zlg.cn
5274 ms
css_whir.css
1131 ms
banner.css
797 ms
jquery-all-min.js
11381 ms
banner.js
1174 ms
MSClass.js
1864 ms
jquery.autocomplete.css
1577 ms
jquery.autocomplete.js
1763 ms
scrolltopcontrol.js
3286 ms
global_cn.index.js
1996 ms
stat.php
1276 ms
bg.jpg
1423 ms
top.jpg
4184 ms
ico_new.png
1897 ms
search_1.jpg
3629 ms
search_2.jpg
11513 ms
banner_280A.jpg
20015 ms
ZM470SX_banner.jpg
20015 ms
2.jpg
20016 ms
banner_283A.jpg
13309 ms
banner_osc.jpg
20015 ms
banner_new_pq.jpg
20015 ms
index.html
14563 ms
hotline.jpg
15245 ms
homeNavBg.jpg
15923 ms
homeNavTop1Bg.jpg
16260 ms
homeNavIcon.jpg
16662 ms
homeNavTop2Bg.jpg
16998 ms
homeUpdateBg.jpg
17713 ms
icon3.jpg
18072 ms
bg_pagestyle.png
19989 ms
h.js
548 ms
lxb.js
20404 ms
b.js
640 ms
hm.gif
276 ms
stat.htm
186 ms
core.php
983 ms
bsl.js
990 ms
9.gif
20411 ms
pic1.gif
781 ms
h_d.gif
19025 ms
h_d2.gif
19067 ms
Enter.php
2439 ms
main_icon_invite_mess_api.js
3615 ms
main.css
723 ms
fix.css
1364 ms
version.js
1167 ms
m-webim-lite.css
2666 ms
m-webim-lite.js
2673 ms
Refresh.php
446 ms
stat.gif
434 ms
iconbg.jpg
3383 ms
icon.png
1410 ms
icon_close.png
859 ms
mess-text.png
1003 ms
messbtn.png
876 ms
mess.gif
1289 ms
btn.png
2181 ms
main.css
567 ms
Refresh.php
414 ms
ad_banner.js
6478 ms
Refresh.php
1684 ms
bg.jpg
413 ms
we_476X325.jpg
1588 ms
eac1000_476x325.jpg
1953 ms
zlg.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.
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
zlg.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
General
Impact
Issue
Detected JavaScript libraries
zlg.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
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zlg.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 Zlg.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.
zlg.cn
Open Graph description is not detected on the main page of Zlg. 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: