36.2 sec in total
9.6 sec
26.2 sec
301 ms
Welcome to hzdy.net homepage info - get ready to check Hzdy best content right away, or after learning these important things about hzdy.net
杭州鼎岳空气设备有限公司是一家专业从事医用气体设备和工业气体设备的研发、生产及经营为一体的高新技术企业,主要经营的产品有医用制氧机,医用空气压缩机组,医用分子筛制氧机,欢迎新老顾客前来咨询。
Visit hzdy.netWe analyzed Hzdy.net page load time and found that the first response time was 9.6 sec and then it took 26.5 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.
hzdy.net performance score
name
value
score
weighting
Value9.3 s
0/100
10%
Value15.0 s
0/100
25%
Value26.2 s
0/100
10%
Value30 ms
100/100
30%
Value0.228
55/100
15%
Value9.4 s
30/100
10%
9644 ms
483 ms
1002 ms
478 ms
743 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Hzdy.net, 6% (3 requests) were made to Pub.idqqimg.com and 2% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Hzdy.net.
Page size can be reduced by 330.1 kB (27%)
1.2 MB
904.8 kB
In fact, the total size of Hzdy.net main page is 1.2 MB. 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 968.4 kB which makes up the majority of the site volume.
Potential reduce by 25.8 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 25.8 kB or 82% of the original size.
Potential reduce by 134.4 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, Hzdy needs image optimization as it can save up to 134.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 162.2 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 162.2 kB or 72% of the original size.
Potential reduce by 7.7 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. Hzdy.net needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 71% of the original size.
Number of requests can be reduced by 14 (29%)
49
35
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hzdy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
hzdy.net
9644 ms
common.css
483 ms
base.js
1002 ms
common.js
478 ms
form.js
743 ms
blockui.js
490 ms
A.css
756 ms
searchform.js
279 ms
searchform_dolphin.css
306 ms
advslb.css
580 ms
yu200712201.js
1388 ms
yu200712202.js
580 ms
qqcs.css
581 ms
newslist_time.css
850 ms
productlist_roll.css
594 ms
productlist_roll.js
606 ms
A.css
807 ms
gh.jpg
998 ms
1273557703.jpg
329 ms
1382690183.png
1571 ms
home.jpg
573 ms
bookmark.jpg
594 ms
ch.jpg
600 ms
en.jpg
823 ms
searchr.jpg
861 ms
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1387 ms
1404183052.jpg
5585 ms
1380157678.jpg
1787 ms
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1050 ms
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8048 ms
1384153678.jpg
3535 ms
1427511892.jpg
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1427784905.jpg
3010 ms
20.gif
1969 ms
menubg.jpg
2028 ms
left.jpg
2228 ms
right.jpg
2267 ms
menu.jpg
2474 ms
searchl.jpg
2452 ms
slide_trigger_c.gif
1882 ms
slide_trigger.gif
1894 ms
top.png
2156 ms
title.jpg
2166 ms
arrow.jpg
2421 ms
bg.jpg
2407 ms
title.jpg
2428 ms
arrow.jpg
2918 ms
button_111.gif
649 ms
button_111.gif
646 ms
button_111.gif
284 ms
hzdy.net 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.
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.
hzdy.net 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
hzdy.net 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 Hzdy.net 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 Hzdy.net 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.
hzdy.net
Open Graph description is not detected on the main page of Hzdy. 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: