Tools & Wizards About Us
airvisual.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

airvisual.com

IQAir | First in Air Quality

Page Load Speed

3.7 sec in total

First Response

316 ms

Resources Loaded

2.5 sec

Page Rendered

936 ms

airvisual.com screenshot

About Website

Visit airvisual.com now to see the best up-to-date Air Visual content for Thailand and also check out these interesting facts you probably never knew about airvisual.com

Explore air quality in your city and around the world. Air quality data, collaboration tools, and technology solutions – powered by IQAir.

Visit airvisual.com

Key Findings

We analyzed Airvisual.com page load time and found that the first response time was 316 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

airvisual.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

airvisual.com

316 ms

airvisual.com

679 ms

www.airvisual.com

31 ms

www.iqair.com

396 ms

gtm.js

532 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Airvisual.com, 58% (39 requests) were made to Iqair.com and 13% (9 requests) were made to Cdn.airvisual.net. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Airvisual.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.4 kB (42%)

Content Size

765.8 kB

After Optimization

440.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Airvisual.com main page is 765.8 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. 65% of websites need less resources to load. HTML takes 380.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 320.6 kB

  • Original 380.9 kB
  • After minification 373.6 kB
  • After compression 60.3 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 320.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 50.2 kB
  • After minification 50.2 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. Air Visual images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.8 kB

  • Original 334.7 kB
  • After minification 334.7 kB
  • After compression 329.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 41 (65%)

Requests Now

63

After Optimization

22

  • AJAX
  • Images
  • JavaScript

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Visual. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

airvisual.com

airvisual.com

316 ms

airvisual.com

airvisual.com

679 ms

www.airvisual.com

www.airvisual.com

31 ms

www.iqair.com

www.iqair.com

396 ms

gtm.js

gtm.js

532 ms

js

js

580 ms

autopilot_sdk.js

autopilot_sdk.js

84 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

12 ms

runtime-es2015.e1602730da5c9a57ca19.js

runtime-es2015.e1602730da5c9a57ca19.js

30 ms

runtime-es5.e1602730da5c9a57ca19.js

runtime-es5.e1602730da5c9a57ca19.js

30 ms

polyfills-es5.ecd232c542fcb8e7de72.js

polyfills-es5.ecd232c542fcb8e7de72.js

43 ms

polyfills-es2015.fb03dec5f493ecbfb9a8.js

polyfills-es2015.fb03dec5f493ecbfb9a8.js

34 ms

vendor-es2015.9b043dedd2525b50c6e1.js

vendor-es2015.9b043dedd2525b50c6e1.js

79 ms

vendor-es5.9b043dedd2525b50c6e1.js

vendor-es5.9b043dedd2525b50c6e1.js

79 ms

main-es2015.5513aff9957816f9e86f.js

main-es2015.5513aff9957816f9e86f.js

524 ms

main-es5.5513aff9957816f9e86f.js

main-es5.5513aff9957816f9e86f.js

251 ms

lib.js

lib.js

573 ms

bv.js

bv.js

70 ms

kR0wFH-jxLVO9h-2xX_oZA

kR0wFH-jxLVO9h-2xX_oZA

524 ms

1922622304

1922622304

494 ms

affirm.js

affirm.js

633 ms

democratic-republic-of-the-congo.jpg

democratic-republic-of-the-congo.jpg

591 ms

IQAirBlueBanner.jpg

IQAirBlueBanner.jpg

566 ms

ic-logo-iq-air-blue.svg

ic-logo-iq-air-blue.svg

330 ms

ic-search-black.svg

ic-search-black.svg

414 ms

ic-search-24-px.svg

ic-search-24-px.svg

330 ms

ic-worlwide.svg

ic-worlwide.svg

331 ms

ic-arrow-down-more-actions-black.svg

ic-arrow-down-more-actions-black.svg

343 ms

ic-shop.svg

ic-shop.svg

330 ms

ic-menu-burger-blue.svg

ic-menu-burger-blue.svg

468 ms

ic-clear-grey-2.svg

ic-clear-grey-2.svg

470 ms

ic-cheveron-sm-right-outline-gray.svg

ic-cheveron-sm-right-outline-gray.svg

470 ms

ic-arrow-big-left.svg

ic-arrow-big-left.svg

468 ms

indoor-outdoor-air-quality-monitors.webp

indoor-outdoor-air-quality-monitors.webp

468 ms

air-cleaning-solutions.webp

air-cleaning-solutions.webp

467 ms

atem-x-air-purifier.webp

atem-x-air-purifier.webp

489 ms

atem-x-series.webp

atem-x-series.webp

489 ms

ic-information-grey.svg

ic-information-grey.svg

487 ms

ic-arrow-small-link-36-px.svg

ic-arrow-small-link-36-px.svg

491 ms

ic-star-2-yellow.svg

ic-star-2-yellow.svg

489 ms

ic-star-2-half-yellow.svg

ic-star-2-half-yellow.svg

489 ms

ic-arrow-link-medium.svg

ic-arrow-link-medium.svg

501 ms

ic-facebook-grey.svg

ic-facebook-grey.svg

497 ms

ic-x-solid-gray-500.svg

ic-x-solid-gray-500.svg

498 ms

ic-youtube-grey.svg

ic-youtube-grey.svg

524 ms

ic-instagram-grey.svg

ic-instagram-grey.svg

527 ms

ic-setting-gray-500.svg

ic-setting-gray-500.svg

528 ms

kenya.jpg

kenya.jpg

488 ms

indonesia.jpg

indonesia.jpg

488 ms

india.jpg

india.jpg

485 ms

uganda.jpg

uganda.jpg

490 ms

iraq.jpg

iraq.jpg

490 ms

china.jpg

china.jpg

496 ms

pakistan.jpg

pakistan.jpg

497 ms

united-arab-emirates.jpg

united-arab-emirates.jpg

495 ms

tunnel

tunnel

675 ms

common-es5.3550383579cf675480b9.js

common-es5.3550383579cf675480b9.js

364 ms

189-es5.93086433f2b4293347da.js

189-es5.93086433f2b4293347da.js

494 ms

ic-profile-image-menu-160-px.svg

ic-profile-image-menu-160-px.svg

257 ms

js

js

147 ms

destination

destination

275 ms

obtp.js

obtp.js

135 ms

bat.js

bat.js

134 ms

A2374317-1fde-47b8-ab6c-403f7ad5e9901.js

A2374317-1fde-47b8-ab6c-403f7ad5e9901.js

256 ms

stat.js

stat.js

121 ms

26072361.js

26072361.js

146 ms

196-es5.2811af171dd32aa61c24.js

196-es5.2811af171dd32aa61c24.js

29 ms

Accessibility Review

airvisual.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

airvisual.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

airvisual.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airvisual.com 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 Airvisual.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.

Social Sharing Optimization

airvisual.com

Open Graph data is detected on the main page of Air Visual. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: