23.5 sec in total
10.7 sec
12.5 sec
264 ms
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Visit yuzhouvalve.comWe analyzed Yuzhouvalve.com page load time and found that the first response time was 10.7 sec and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
yuzhouvalve.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value7.4 s
4/100
25%
Value4.9 s
66/100
10%
Value120 ms
97/100
30%
Value0.001
100/100
15%
Value4.7 s
80/100
10%
10741 ms
379 ms
521 ms
134 ms
67 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Yuzhouvalve.com and no external sources were called. The less responsive or slowest element that took the longest time to load (10.7 sec) belongs to the original domain Yuzhouvalve.com.
Page size can be reduced by 186.5 kB (50%)
376.0 kB
189.6 kB
In fact, the total size of Yuzhouvalve.com main page is 376.0 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. Only 10% of websites need less resources to load. Images take 261.3 kB which makes up the majority of the site volume.
Potential reduce by 13.8 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. 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 13.8 kB or 75% of the original size.
Potential reduce by 110.6 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, Yuzhouvalve needs image optimization as it can save up to 110.6 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 62.1 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 62.1 kB or 64% of the original size.
We found no issues to fix!
30
30
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yuzhouvalve. According to our analytics all requests are already optimized.
yuzhouvalve.com
10741 ms
css.css
379 ms
jquery-1.7.2.min.js
521 ms
common.js
134 ms
scrollPic.js
67 ms
bg.jpg
95 ms
header.jpg
248 ms
fw.jpg
291 ms
using1.jpg
448 ms
using2.jpg
438 ms
indexleft.jpg
776 ms
search.jpg
272 ms
indexright.jpg
806 ms
xian.gif
430 ms
indexp.jpg
484 ms
scroll_left.jpg
620 ms
txt_201308171557425742.jpg
933 ms
txt_20130817110319319.jpg
666 ms
txt_20130816155805585.jpg
750 ms
txt_201308161552485248.jpg
1056 ms
scroll_right.jpg
921 ms
indexabout.jpg
935 ms
indexabout1.jpg
1164 ms
lxbg.jpg
1025 ms
indexservice.jpg
1061 ms
indexnews.jpg
1097 ms
dian.jpg
1128 ms
endh1.jpg
1181 ms
endh2.jpg
1207 ms
endh3.jpg
1225 ms
endmail.jpg
1268 ms
endbg.jpg
1303 ms
yuzhouvalve.com accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
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
[lang] attributes do not have a valid value
yuzhouvalve.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
Page has valid source maps
yuzhouvalve.com SEO score
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 Yuzhouvalve.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 Yuzhouvalve.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.
yuzhouvalve.com
Open Graph description is not detected on the main page of Yuzhouvalve. 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: