Tools & Wizards About Us
healthhouse.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% 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

  • 82

    SEO

    Google-friendlier than
    44% of websites

healthhouse.org

What Makes Indoor Air Unhealthy? | American Lung Association

Page Load Speed

1.9 sec in total

First Response

27 ms

Resources Loaded

1.5 sec

Page Rendered

346 ms

healthhouse.org screenshot

About Website

Welcome to healthhouse.org homepage info - get ready to check Healthhouse best content for United States right away, or after learning these important things about healthhouse.org

Poor indoor air quality can cause or worsen lung diseases. Find out what makes indoor air unhealthy and how to protect your family.

Visit healthhouse.org

Key Findings

We analyzed Healthhouse.org page load time and found that the first response time was 27 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

healthhouse.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value5,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

Network Requests Diagram

healthhouse.org

27 ms

indoor-air-pollutants

113 ms

indoor-air-pollutants

214 ms

10043493-100411849.js

250 ms

generalcontent.min.css

73 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Healthhouse.org, 50% (20 requests) were made to Lung.org and 8% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (443 ms) relates to the external source Lung.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.0 kB (33%)

Content Size

879.8 kB

After Optimization

585.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Healthhouse.org main page is 879.8 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. 70% of websites need less resources to load. Javascripts take 635.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 101.6 kB

  • Original 122.7 kB
  • After minification 108.3 kB
  • After compression 21.1 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 14.4 kB, which is 12% 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 101.6 kB or 83% of the original size.

JavaScript Optimization

-30%

Potential reduce by 192.4 kB

  • Original 635.8 kB
  • After minification 635.8 kB
  • After compression 443.4 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 192.4 kB or 30% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 121.3 kB
  • After minification 121.3 kB
  • After compression 121.3 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. Healthhouse.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (82%)

Requests Now

28

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Healthhouse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

healthhouse.org

healthhouse.org

27 ms

indoor-air-pollutants

indoor-air-pollutants

113 ms

indoor-air-pollutants

indoor-air-pollutants

214 ms

10043493-100411849.js

10043493-100411849.js

250 ms

generalcontent.min.css

generalcontent.min.css

73 ms

style.css

style.css

142 ms

optimize.js

optimize.js

75 ms

jquery

jquery

123 ms

jquery-unobtrusive-ajax

jquery-unobtrusive-ajax

114 ms

scripts

scripts

443 ms

scripts

scripts

167 ms

jquery.min.js

jquery.min.js

74 ms

jquery.validate.min.js

jquery.validate.min.js

92 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

105 ms

polyfill.js

polyfill.js

36 ms

modernizr.min.js

modernizr.min.js

74 ms

generalcontent.min.js

generalcontent.min.js

81 ms

jquery.swiftype.autocomplete.js

jquery.swiftype.autocomplete.js

88 ms

page.js

page.js

101 ms

deployment.js

deployment.js

77 ms

element.js

element.js

91 ms

sv.js

sv.js

95 ms

gtm.js

gtm.js

352 ms

header-logo.svg

header-logo.svg

84 ms

mold_1200x800_D.jpg

mold_1200x800_D.jpg

382 ms

3ab5a6301d79b3e3e3afeca89c2d1695.otf

3ab5a6301d79b3e3e3afeca89c2d1695.otf

37 ms

8c3416edf5002ffe34eaceabde48cf6b.otf

8c3416edf5002ffe34eaceabde48cf6b.otf

50 ms

79b6167962ee95a91f64e8bd218d6fec.otf

79b6167962ee95a91f64e8bd218d6fec.otf

51 ms

844324dc83d98980285a9ab8f3dcb5f0.otf

844324dc83d98980285a9ab8f3dcb5f0.otf

50 ms

header-logo.svg

header-logo.svg

43 ms

2e80dd191c391e06100e12c1ca9b5cff.otf

2e80dd191c391e06100e12c1ca9b5cff.otf

31 ms

30175a9383f28bf033875d07c9324b5a.otf

30175a9383f28bf033875d07c9324b5a.otf

31 ms

2685518b-bc6c-422c-8192-19a914616903.js

2685518b-bc6c-422c-8192-19a914616903.js

99 ms

widget.js

widget.js

203 ms

MultiNoun.jsonp

MultiNoun.jsonp

71 ms

main.js

main.js

82 ms

sm.25.html

sm.25.html

75 ms

eso.D0Uc7kY6.js

eso.D0Uc7kY6.js

77 ms

Settings.jsonp

Settings.jsonp

264 ms

widget_app_1724056634836.js

widget_app_1724056634836.js

24 ms

Accessibility Review

healthhouse.org 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.

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

healthhouse.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

healthhouse.org SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Healthhouse.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 Healthhouse.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.

Social Sharing Optimization

healthhouse.org

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