42.7 sec in total
2.6 sec
39.8 sec
338 ms
Welcome to sdhuili.cn homepage info - get ready to check Sdhuili best content right away, or after learning these important things about sdhuili.cn
潍坊惠利暖通设备有限公司是山东省高新技术企业,省科委重点企业。公司的主导产品有:换热器、板式换热器、无负压供水设备、高效换热机组、一体化泵站,并获得多项专利。详情请咨询电话:400-038-5155,网址:www.sdhuili.cn
Visit sdhuili.cnWe analyzed Sdhuili.cn page load time and found that the first response time was 2.6 sec and then it took 40.1 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 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sdhuili.cn performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value12.7 s
0/100
25%
Value7.1 s
31/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value8.4 s
39/100
10%
2620 ms
1203 ms
14080 ms
833 ms
1214 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 70% of them (64 requests) were addressed to the original Sdhuili.cn, 20% (18 requests) were made to Qiao.baidu.com and 5% (5 requests) were made to P3.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Sdhuili.cn.
Page size can be reduced by 79.9 kB (36%)
219.8 kB
139.9 kB
In fact, the total size of Sdhuili.cn main page is 219.8 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. 20% of websites need less resources to load. Images take 150.3 kB which makes up the majority of the site volume.
Potential reduce by 19.6 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 19.6 kB or 76% of the original size.
Potential reduce by 25.1 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, Sdhuili needs image optimization as it can save up to 25.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.6 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 6.6 kB or 71% of the original size.
Potential reduce by 28.6 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. Sdhuili.cn needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 83% of the original size.
Number of requests can be reduced by 32 (44%)
72
40
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdhuili. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
sdhuili.cn
2620 ms
mooncode.js
1203 ms
alt.js
14080 ms
css.css
833 ms
st2.css
1214 ms
beian.asp
1061 ms
hlnt_r1_c1.jpg
6211 ms
hlnt_r2_c1.jpg
404 ms
hlnt_r2_c3.jpg
421 ms
hlnt_r2_c6.jpg
434 ms
hlnt_r2_c10.jpg
416 ms
hlnt_r2_c14.jpg
776 ms
hlnt_r2_c17.jpg
821 ms
hlnt_r2_c21.jpg
818 ms
hlnt_r2_c22.jpg
820 ms
sou.jpg
838 ms
hlnt_r4_c2.jpg
1165 ms
hlnt_r6_c2.jpg
1206 ms
hlnt_r7_c2.jpg
6268 ms
hlnt_r10_c2.jpg
1211 ms
hlnt_r14_c2.jpg
3089 ms
hlnt_r16_c2.jpg
1559 ms
hlnt_r19_c2.jpg
1629 ms
111.jpg
4021 ms
hlnt_r4_c4.jpg
1949 ms
hlnt_r4_c26.jpg
2037 ms
hlnt_r5_c4.jpg
2414 ms
hlnt_r5_c8.jpg
3981 ms
hlnt_r5_c11.jpg
2800 ms
hlnt_r5_c13.jpg
4939 ms
hlnt_r5_c15.jpg
3617 ms
hlnt_r7_c8.jpg
5273 ms
hlnt_r9_c20.jpg
5230 ms
hlnt_r17_c5.jpg
4459 ms
hlnt_r17_c24.jpg
4883 ms
1.jpg
14225 ms
2.jpg
10155 ms
3.jpg
11799 ms
4.jpg
10318 ms
5.jpg
8655 ms
6.jpg
8710 ms
7.jpg
15839 ms
h.js
770 ms
8.jpg
12332 ms
9.jpg
19817 ms
10.jpg
13467 ms
12.jpg
17738 ms
20094218178.jpg
20459 ms
222.jpg
20415 ms
200942175953.jpg
20414 ms
200942181356.jpg
20414 ms
200942183027.jpg
20396 ms
b.js
925 ms
hm.gif
279 ms
111.jpg
20070 ms
2009471843.jpg
20028 ms
200948102320.jpg
20032 ms
hlnt_r21_c7.jpg
19682 ms
hlnt_r21_c18.jpg
19611 ms
bsl.js
669 ms
qqq.jpg
20274 ms
hlnt_r21_c22.jpg
20185 ms
hlnt_r24_c22.jpg
19809 ms
Enter.php
1237 ms
main_icon_invite_mess_api.js
1774 ms
main.css
635 ms
fix.css
1744 ms
version.js
2532 ms
hlnt_r25_c22.jpg
20441 ms
hlnt_r5_c28.jpg
20158 ms
hlnt_r28_c5.jpg
19452 ms
hlnt_r28_c4.jpg
19089 ms
hlnt_r28_c26.jpg
20201 ms
m-webim-lite.css
4181 ms
m-webim-lite.js
8034 ms
Refresh.php
936 ms
08.jpg
1655 ms
08.jpg
1659 ms
02.png
1792 ms
icon.png
1986 ms
icon_close.png
1988 ms
stat.gif
2125 ms
mess-text.png
2383 ms
messbtn.png
2384 ms
mess.gif
2459 ms
btn.png
2806 ms
di.jpg
19759 ms
15_big.jpg
2493 ms
btn.png
3402 ms
Refresh.php
1008 ms
Refresh.php
1638 ms
Refresh.php
592 ms
sdhuili.cn accessibility score
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
sdhuili.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
sdhuili.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
Tap targets are not sized appropriately
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sdhuili.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 Sdhuili.cn main page’s claimed encoding is gb2312. 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.
sdhuili.cn
Open Graph description is not detected on the main page of Sdhuili. 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: