59.9 sec in total
5.2 sec
54 sec
639 ms
Click here to check amazing 21 Spv content for China. Otherwise, check out these important facts you probably never knew about 21spv.com
阳光工匠光伏网,是主流光伏行业媒体商务平台,为用户提供光伏资讯、光伏培训、光伏产品供求、服务供求、项目供求、诚信认证服务、光伏行情、光伏周刊。
Visit 21spv.comWe analyzed 21spv.com page load time and found that the first response time was 5.2 sec and then it took 54.6 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 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
21spv.com performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value6.8 s
7/100
25%
Value10.6 s
7/100
10%
Value100 ms
98/100
30%
Value0.069
96/100
15%
Value6.4 s
60/100
10%
5247 ms
7786 ms
7405 ms
7913 ms
8249 ms
Our browser made a total of 117 requests to load all elements on the main page. We found that 71% of them (83 requests) were addressed to the original 21spv.com, 7% (8 requests) were made to Bbs.21spv.com and 3% (4 requests) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 21spv.com.
Page size can be reduced by 343.6 kB (50%)
692.3 kB
348.6 kB
In fact, the total size of 21spv.com main page is 692.3 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. 35% of websites need less resources to load. Javascripts take 338.7 kB which makes up the majority of the site volume.
Potential reduce by 69.8 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 9.8 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 69.8 kB or 79% of the original size.
Potential reduce by 28.8 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, 21 Spv needs image optimization as it can save up to 28.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 205.6 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 205.6 kB or 61% of the original size.
Potential reduce by 39.5 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. 21spv.com needs all CSS files to be minified and compressed as it can save up to 39.5 kB or 79% of the original size.
Number of requests can be reduced by 44 (43%)
103
59
The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Spv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
21spv.com
5247 ms
style.css
7786 ms
yx_rotaion.css
7405 ms
index.css
7913 ms
lang.js
8249 ms
config.js
11111 ms
jquery.js
9647 ms
common.js
13354 ms
page.js
10054 ms
jquery-1.8.0.min.js
18635 ms
gundong.js
13521 ms
MSClass.js
10937 ms
ZeroClipboard.js
11353 ms
jquery.min.js
15179 ms
jquery.yx_rotaion.js
11274 ms
jquery-1.8.3.min.js
16064 ms
list=gb_csiq,gb_jaso,gb_tsl,gb_stp,gb_yge,gb_ldk,gb_csun,gb_hsol,gb_ldk,gb_sol,gb_jks,gb_dq
1469 ms
list=sh600550,sh600151,sh600089,sh600220,sh600644,sh600674,sh600884,sh600192,sh600152,sh600184,sh600482,sh600206,sh600537,sh601908,sh600401,sh601012,sh603366,sz000012,sz002506,sz000418,sz000969,sz002518,sz002335,sz000862,sz002218,sz002371,sz002129,sz002389,sz002623,sz002132,sz002056,sz002083,sz300080,sz002309,hk01165,hk00712,hk00757,hk03800,hk00750,sh600537,sz300111,sz300118,sz300029,sz300274,sz300082,sz002006,sz002610
1485 ms
2013_sinaStock.js
12807 ms
api.php
1856 ms
api.php
1465 ms
api.php
1537 ms
api.php
4622 ms
api.php
1631 ms
index.js
12965 ms
marquee.js
15887 ms
wb.js
16 ms
top.js
13428 ms
getLogonStatusBxt.js
13917 ms
ico_wap.gif
511 ms
common_ico.gif
869 ms
09-35-02-21-1.png
940 ms
head_search.png
3259 ms
spacer.gif
515 ms
wxh_bg.jpg
469 ms
wxh.jpg
4182 ms
menu_bg.png
3354 ms
16-50-45-30-1.png
20057 ms
i_icon.jpg
1316 ms
14-48-01-42-1.png
20057 ms
sdrz_logo.jpg
9778 ms
zzrz_logo.jpg
7245 ms
sfzz_logo.jpg
4470 ms
11-49-30-79-16.jpg
5123 ms
16-45-07-70-453.png.thumb.png
6870 ms
16-58-53-87-922.jpg.thumb.jpg
6443 ms
16-56-40-47-922.jpg.thumb.jpg
8304 ms
10-46-23-45-922.jpg.thumb.jpg
8709 ms
16-47-47-80-453.png.thumb.png
10519 ms
11-08-06-86-1.jpg
8774 ms
11-29-36-25-1.gif
9219 ms
23-24-39-28-1.jpg
9239 ms
16-36-30-37-1.jpg
10787 ms
22-45-58-76-1.jpg
9742 ms
10-45-13-77-1.jpg
10208 ms
10-59-40-78-1.jpg
11836 ms
10-25-51-95-1.png
12085 ms
16-54-20-25-1.jpg
16155 ms
10-40-21-82-1.jpg
11292 ms
09-10-41-31-825.png
14924 ms
08-29-43-95-825.jpg
13565 ms
08-53-24-77-825.jpg
13053 ms
10-41-56-34-606.jpg.thumb.jpg
17927 ms
15-03-01-99-606.jpg.thumb.jpg
16870 ms
14-47-50-50-606.png.thumb.png
18988 ms
091604y7dqjc97yic9nc9j.jpg
16196 ms
130311tg0nsnn3935mn2j9.png
12150 ms
151428kirab0enigarajjd.png
5549 ms
h.js
572 ms
14-45-26-42-606.png.thumb.png
19592 ms
14-43-29-90-606.png.thumb.png
19554 ms
14-40-38-64-606.png.thumb.png
19548 ms
14-37-27-25-606.png.thumb.png
20192 ms
21.gif
935 ms
s.js
976 ms
hm.gif
287 ms
z_stat.php
2729 ms
14-35-21-15-606.png.thumb.png
20121 ms
14-31-59-75-606.png.thumb.png
19742 ms
13-24-32-97-606.jpg.thumb.jpg
19801 ms
14-50-24-57-825.jpg
18169 ms
stat.htm
181 ms
core.php
2829 ms
09-23-42-82-825.jpg
18386 ms
08-09-10-49-825.jpg
17782 ms
m_left.jpg
19812 ms
08-18-44-48-2628.jpg
15579 ms
9.gif
982 ms
pic1.gif
610 ms
task.js.php
15763 ms
15-44-18-39-16.gif
18808 ms
app.gif
1834 ms
08-52-39-29-825.jpg
17455 ms
09-50-53-12-825.jpg
15137 ms
08-42-31-18-825.png
20280 ms
09-41-47-75-825.png
16011 ms
09-25-03-40-825.jpg
15018 ms
m_right.jpg
14921 ms
19-24-45-46-1.jpg
17317 ms
ico.png
18919 ms
cst_logo.jpg
17370 ms
m_tit.jpg
17141 ms
Sonzer_box.jpg
19755 ms
ajaxfunction.do
850 ms
545 ms
loading1.gif
3472 ms
bundle.js
504 ms
client.js
7 ms
iframeWidget.js
11 ms
aj_relationship.php
2562 ms
followbutton.php
881 ms
followButton.css
522 ms
sso.js
14 ms
followButton.js
10 ms
suda.js
11 ms
bg_flbtn.png
27 ms
b.gif
1314 ms
21spv.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.
21spv.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
21spv.com SEO score
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
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21spv.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 21spv.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
21spv.com
Open Graph description is not detected on the main page of 21 Spv. 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: