23.5 sec in total
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22.1 sec
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Welcome to aqicn.org homepage info - get ready to check Aqicn best content for China right away, or after learning these important things about aqicn.org
Real-time air pollution index for 100+ countries
Visit aqicn.orgWe analyzed Aqicn.org page load time and found that the first response time was 725 ms and then it took 22.8 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
aqicn.org performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value3.9 s
52/100
25%
Value8.4 s
18/100
10%
Value5,280 ms
0/100
30%
Value0.177
68/100
15%
Value18.9 s
3/100
10%
725 ms
424 ms
493 ms
367 ms
426 ms
Our browser made a total of 145 requests to load all elements on the main page. We found that 17% of them (25 requests) were addressed to the original Aqicn.org, 27% (39 requests) were made to Static.aqicn.org and 14% (21 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Stat.waqi.info.
Page size can be reduced by 1.8 MB (42%)
4.2 MB
2.4 MB
In fact, the total size of Aqicn.org main page is 4.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 403.3 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 403.3 kB or 74% of the original size.
Potential reduce by 88.1 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. Aqicn images are well optimized though.
Potential reduce by 1.2 MB
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 1.2 MB or 65% of the original size.
Potential reduce by 140.1 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. Aqicn.org needs all CSS files to be minified and compressed as it can save up to 140.1 kB or 84% of the original size.
Number of requests can be reduced by 67 (51%)
132
65
The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aqicn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
725 ms
style.css
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bundle.min.js
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style.min.css
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search.css
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climacons-font.css
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font.css
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locate.png
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search.png
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mapb2.png
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share.png
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single_view.png
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main.web.png
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style.min.css
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adsbygoogle.js
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moment.min.js
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logo.png
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jquery-1.7.1.min.js
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jquery-ui-1.8.18.custom.css
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jquery-ui-1.8.18.custom.min.js
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jquery.colorbox-min.js
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colorbox.css
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common.js
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util.js
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onion.js
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openhand_8_8.cur
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stats.js
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controls.js
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StaticMapService.GetMapImage
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aqicn.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
aqicn.org 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
Page has valid source maps
aqicn.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aqicn.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Aqicn.org 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.
aqicn.org
Open Graph data is detected on the main page of Aqicn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: