21.8 sec in total
5.6 sec
16 sec
164 ms
Click here to check amazing Chest Dxy content for China. Otherwise, check out these important facts you probably never knew about chest.dxy.cn
丁香园呼吸频道是丁香园旗下专业的呼吸资讯平台,致力于为广大呼吸医生和科研工作者提供专业有价值的医药信息,内容覆盖呼吸领域国内外最新进展、临床指南、专家讲座、病例讨论、会议报道、产业资讯等,以及常用药物、会议预告等实用查询。
Visit chest.dxy.cnWe analyzed Chest.dxy.cn page load time and found that the first response time was 5.6 sec and then it took 16.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
chest.dxy.cn performance score
name
value
score
weighting
Value2.2 s
77/100
10%
Value2.8 s
82/100
25%
Value4.3 s
76/100
10%
Value520 ms
56/100
30%
Value0
100/100
15%
Value7.6 s
46/100
10%
5567 ms
5140 ms
5424 ms
3661 ms
4177 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 10% of them (6 requests) were addressed to the original Chest.dxy.cn, 53% (31 requests) were made to Assets.dxycdn.com and 16% (9 requests) were made to Res.dxycdn.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Chest.dxy.cn.
Page size can be reduced by 331.4 kB (49%)
676.7 kB
345.3 kB
In fact, the total size of Chest.dxy.cn main page is 676.7 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. 30% of websites need less resources to load. Javascripts take 290.7 kB which makes up the majority of the site volume.
Potential reduce by 53.4 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 21.2 kB, which is 33% 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 53.4 kB or 84% of the original size.
Potential reduce by 47.1 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, Chest Dxy needs image optimization as it can save up to 47.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 180.4 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 180.4 kB or 62% of the original size.
Potential reduce by 50.5 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. Chest.dxy.cn needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 77% of the original size.
Number of requests can be reduced by 26 (46%)
57
31
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chest Dxy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.
chest.dxy.cn
5567 ms
home20110711.js
5140 ms
1.7.2-min.js
5424 ms
webtoolkit.url.js
3661 ms
reset-min.css
4177 ms
layout.css
4663 ms
engine.js
1810 ms
AjaxSocialUtilForArticle.js
969 ms
util.js
1495 ms
c2.js
1536 ms
assets.dxycdn.com
2492 ms
main.js
4188 ms
ga.js
111 ms
h.js
4749 ms
atrk.js
145 ms
da.js
3079 ms
B1457069519.jpg!small.7
4208 ms
A1407388885.jpg
4357 ms
A1453960600_block.png!small.1
4196 ms
B1450764695_block.jpg!small.1
4203 ms
B1450318059_block.jpg!small.2
4218 ms
B1449654481_block.jpg!small.2
4191 ms
A1455689705_block.jpg!small.2
4200 ms
A1450159591_block.jpg!small.2
4200 ms
B1451570306_block.jpg!small.1
4207 ms
A1455732839_block.jpg!small.1
4211 ms
ico@2x.png
4176 ms
btn_bg.png
1226 ms
bg.png
945 ms
c1.png
2223 ms
css.png
3381 ms
css.png
4469 ms
bg.png
2442 ms
bg.png
2151 ms
bg5.png
3907 ms
bg4.png
2662 ms
bg3.png
2900 ms
side-bg.png
3058 ms
att-ico.png
3616 ms
icon_gotop_arrow@2x.png
3498 ms
__utm.gif
17 ms
atrk.gif
23 ms
test.png
38 ms
porthole.js
2773 ms
userinfo
1362 ms
linkTip-v2.js
2947 ms
jweixin-1.0.0.js
759 ms
userAgent.js
3421 ms
userinfo
596 ms
wx_phd_qr2.jpg
3948 ms
wx_dxy_qr2.jpg
4164 ms
pulldown.js
2064 ms
_da
517 ms
dqSystem.js
1187 ms
linkTip.css
695 ms
hm.gif
535 ms
api.php
2763 ms
logo.png
1029 ms
chest.dxy.cn 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.
chest.dxy.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
chest.dxy.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chest.dxy.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 Chest.dxy.cn 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.
chest.dxy.cn
Open Graph description is not detected on the main page of Chest Dxy. 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: