69.2 sec in total
4.6 sec
64.1 sec
465 ms
Click here to check amazing Zsdtb content for China. Otherwise, check out these important facts you probably never knew about zsdtb.com
中山市德图堡涂料有限公司 是一家专业从事高端水性无机涂料研发、生产、销售、施工及服务的生产型高科技企业。电话:0760-87138555
Visit zsdtb.comWe analyzed Zsdtb.com page load time and found that the first response time was 4.6 sec and then it took 64.6 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zsdtb.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value18.8 s
0/100
25%
Value12.5 s
3/100
10%
Value30 ms
100/100
30%
Value0.313
37/100
15%
Value10.4 s
24/100
10%
4648 ms
1461 ms
2185 ms
608 ms
15894 ms
Our browser made a total of 104 requests to load all elements on the main page. We found that 42% of them (44 requests) were addressed to the original Zsdtb.com, 10% (10 requests) were made to Images02.cdn86.net and 9% (9 requests) were made to S.goutong.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source P.qiao.baidu.com.
Page size can be reduced by 203.3 kB (49%)
410.7 kB
207.4 kB
In fact, the total size of Zsdtb.com main page is 410.7 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. 30% of websites need less resources to load. Images take 226.1 kB which makes up the majority of the site volume.
Potential reduce by 40.0 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 5.4 kB, which is 11% 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 40.0 kB or 79% of the original size.
Potential reduce by 62.4 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, Zsdtb needs image optimization as it can save up to 62.4 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 29.0 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 29.0 kB or 57% of the original size.
Potential reduce by 71.9 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. Zsdtb.com needs all CSS files to be minified and compressed as it can save up to 71.9 kB or 86% of the original size.
Number of requests can be reduced by 52 (63%)
83
31
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsdtb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
zsdtb.com
4648 ms
index.html
1461 ms
css.css
2185 ms
uaredirect.js
608 ms
jquery-1.4.4.js
15894 ms
z_stat.php
1079 ms
css.css
1899 ms
changimages.js
4890 ms
jia.js
753 ms
stat.htm
238 ms
core.php
2446 ms
9.gif
892 ms
logo.jpg
2270 ms
wKiAiVF1-V3nbCRCAAAbnYOmiN4272.jpg
6062 ms
wKiAiVVHFOCcQubYAAEJVGlBPdY682.jpg
6570 ms
wKiAiVUjkyTF3j7eAAAi0UqxH3A683.jpg
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wKiAiVUjfWXuXGxiAADPCfAMp30197.jpg
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wKiAiVFt_sCiBSbGAAA6gMLCKsk906.jpg
6525 ms
wKiAiVFt_sDb8jgNAAAmWci4_eg220.jpg
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wKiAiVS10UbT9wcTAAAYt8a2jeg744.jpg
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wKiAiVS10X_EHmF9AAAYuiuQynk105.jpg
6990 ms
wKiAiVMecdPhS17ZAAAeuYy0AGA228.png
6643 ms
wKiAiVMZadHJoKKVAAASkbM9CfU346.png
6887 ms
more.png
1633 ms
news_class.jpg
3979 ms
partner0.jpg
8641 ms
wKiAiVbaowzQj-T5AAaOqLPk1sk841.png
17848 ms
0.gif
3182 ms
3.gif
2558 ms
7.gif
2845 ms
2.gif
3161 ms
6.gif
3405 ms
hm.js
1360 ms
mvl.js
964 ms
top_bg.jpg
8326 ms
index_top_bg.jpg
4661 ms
contactus_bg.jpg
7792 ms
keyword.jpg
4484 ms
search.jpg
5097 ms
about.jpg
6230 ms
products00.jpg
5680 ms
partner00.jpg
7205 ms
tenel01.jpg
9633 ms
news.jpg
13770 ms
case.jpg
8973 ms
sevsr_center.jpg
8902 ms
index_bg.jpg
14216 ms
left_news_bg.jpg
19560 ms
about.png
9510 ms
products.jpg
16720 ms
index_left.jpg
10196 ms
news.png
15554 ms
index_mid.jpg
17734 ms
news_bb.png
16024 ms
case00.png
16142 ms
case_bg.jpg
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18140 ms
wKiAiVZyc3D0aVvkAAA7_iSO-YU363.jpg
18521 ms
pro_bg.jpg
19517 ms
jiathis_utility.html
30 ms
jiathis_share.css
42 ms
plugin.client.js
62 ms
jiathis_counter.css
57 ms
shares.php
1105 ms
jiathis_ico.png
77 ms
new_r.jsp
9129 ms
counter.gif
30 ms
app.gif
1051 ms
mba.js
1540 ms
mv.js
463 ms
hm.gif
382 ms
lxb.js
8458 ms
b.js
832 ms
b
2618 ms
t
5476 ms
buttom_right.jpg
16778 ms
pc_nb.js
11418 ms
buttom_left.jpg
17141 ms
t
2007 ms
ckmap.htm
869 ms
cm.gif
2290 ms
m
5787 ms
m
597 ms
m
3281 ms
m
4647 ms
t
566 ms
log.gif
373 ms
_l.js
798 ms
log.gif
391 ms
1001.css
1862 ms
main.css
3439 ms
auth
1396 ms
nodeMin.png
376 ms
user.png
1582 ms
nodephone.png
670 ms
nodemail.png
724 ms
nodelocation.png
733 ms
iconWord0.png
1348 ms
icondisable.png
698 ms
poll
354 ms
st
351 ms
poll
318 ms
poll
20330 ms
zsdtb.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
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
zsdtb.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
zsdtb.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
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 Zsdtb.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 Zsdtb.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.
zsdtb.com
Open Graph description is not detected on the main page of Zsdtb. 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: