63.5 sec in total
9.9 sec
53.2 sec
471 ms
Welcome to yihua17.com homepage info - get ready to check Yihua 17 best content right away, or after learning these important things about yihua17.com
上海一华仪器设备有限公司经过近20年的发展与积累,现已成为一家专业的可靠性环境、振动试验仪器生产商;是集科研与生产于一身的科研生产型高低温试验机,振动试验台等设备的企业。
Visit yihua17.comWe analyzed Yihua17.com page load time and found that the first response time was 9.9 sec and then it took 53.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
yihua17.com performance score
name
value
score
weighting
Value1.1 s
100/100
10%
Value8.1 s
2/100
25%
Value10.1 s
9/100
10%
Value330 ms
75/100
30%
Value0
100/100
15%
Value6.8 s
55/100
10%
9893 ms
1172 ms
4083 ms
3917 ms
4491 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 47% of them (45 requests) were addressed to the original Yihua17.com, 19% (18 requests) were made to Qiao.baidu.com and 9% (9 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Yihua17.com.
Page size can be reduced by 148.3 kB (59%)
250.6 kB
102.3 kB
In fact, the total size of Yihua17.com main page is 250.6 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. Javascripts take 81.6 kB which makes up the majority of the site volume.
Potential reduce by 52.9 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 52.9 kB or 82% of the original size.
Potential reduce by 5.5 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. Yihua 17 images are well optimized though.
Potential reduce by 54.2 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 54.2 kB or 66% of the original size.
Potential reduce by 35.7 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. Yihua17.com needs all CSS files to be minified and compressed as it can save up to 35.7 kB or 81% of the original size.
Number of requests can be reduced by 39 (54%)
72
33
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yihua 17. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
yihua17.com
9893 ms
common.css
1172 ms
base.js
4083 ms
common.js
3917 ms
form.js
4491 ms
blockui.js
4379 ms
A.css
3823 ms
newslist_time.css
1512 ms
productlist_roll.css
1185 ms
productlist_roll.js
2772 ms
productclass_dolphin.css
412 ms
A.css
440 ms
photorollx3_dolphin.js
485 ms
1281316005.jpg
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1280458783.jpg
797 ms
1281338287.jpg
796 ms
more.jpg
427 ms
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more.jpg
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more.jpg
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more.jpg
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menu.jpg
20154 ms
title.jpg
20154 ms
arrow.jpg
20154 ms
arrow.jpg
19679 ms
title.jpg
19649 ms
title.jpg
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title.jpg
19647 ms
dot2.jpg
19647 ms
title.jpg
19646 ms
title.jpg
19591 ms
835158.js
1102 ms
117633583.js
2458 ms
getonline
5980 ms
url.js
3697 ms
835158_code.js
2531 ms
skin.css
2827 ms
top.gif
1029 ms
1_f.gif
3708 ms
bottom.gif
3751 ms
h.js
2281 ms
middle.gif
501 ms
l.gif
942 ms
lxb.js
1931 ms
b.js
622 ms
hm.gif
353 ms
bsl.js
1666 ms
log.gif
1523 ms
_l.js
619 ms
Enter.php
581 ms
main_icon_invite_mess_api.js
3129 ms
main.css
528 ms
fix.css
1057 ms
version.js
923 ms
1001.css
2939 ms
log.gif
643 ms
m-webim-lite.css
3685 ms
m-webim-lite.js
1376 ms
Refresh.php
466 ms
stat.gif
358 ms
6.png
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close.png
580 ms
08.jpg
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07.jpg
5033 ms
02.png
348 ms
icon.png
743 ms
icon_close.png
740 ms
mess-text.png
742 ms
messbtn.png
739 ms
mess.gif
8804 ms
btn.png
4794 ms
bpa.js
2644 ms
log.gif
308 ms
log.gif
588 ms
hm.gif
353 ms
03_big.jpg
7653 ms
btn.png
386 ms
Refresh.php
403 ms
bpaId
1753 ms
Refresh.php
484 ms
Refresh.php
459 ms
Refresh.php
386 ms
yihua17.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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
Links do not have a discernible name
yihua17.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
yihua17.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yihua17.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 Yihua17.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.
yihua17.com
Open Graph description is not detected on the main page of Yihua 17. 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: