22.1 sec in total
386 ms
21.6 sec
187 ms
Click here to check amazing Waqi content for Iran. Otherwise, check out these important facts you probably never knew about waqi.info
How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.
Visit waqi.infoWe analyzed Waqi.info page load time and found that the first response time was 386 ms and then it took 21.7 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.
waqi.info performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value7.2 s
5/100
25%
Value6.7 s
37/100
10%
Value4,670 ms
0/100
30%
Value0.012
100/100
15%
Value14.4 s
9/100
10%
386 ms
215 ms
388 ms
389 ms
601 ms
Our browser made a total of 314 requests to load all elements on the main page. We found that 4% of them (12 requests) were addressed to the original Waqi.info, 72% (227 requests) were made to Jp2.waqi.info and 9% (28 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source .
Page size can be reduced by 953.2 kB (55%)
1.7 MB
785.1 kB
In fact, the total size of Waqi.info main page is 1.7 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 91.5 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 91.5 kB or 78% of the original size.
Potential reduce by 19.9 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. Waqi images are well optimized though.
Potential reduce by 803.2 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 803.2 kB or 67% of the original size.
Potential reduce by 38.7 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. Waqi.info needs all CSS files to be minified and compressed as it can save up to 38.7 kB or 86% of the original size.
Number of requests can be reduced by 251 (89%)
281
30
The browser has sent 281 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Waqi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
waqi.info
386 ms
style.css
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inheritance.js
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console.js
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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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map.js
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util.js
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openhand_8_8.cur
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waqi.info 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.
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
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.
waqi.info best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
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
waqi.info 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Waqi.info can be misinterpreted by Google and other search engines. Our service has detected that English 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 Waqi.info 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.
waqi.info
Open Graph description is not detected on the main page of Waqi. 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: