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4cleanair.org screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

4cleanair.org

Home Page - National Association of Clean Air Agencies

Page Load Speed

3.6 sec in total

First Response

57 ms

Resources Loaded

3.1 sec

Page Rendered

407 ms

4cleanair.org screenshot

About Website

Welcome to 4cleanair.org homepage info - get ready to check 4 Clean Air best content for United States right away, or after learning these important things about 4cleanair.org

NACAA is the national, non-partisan, non-profit association of air pollution control agencies in 35 states, the District of Columbia, four territories and 116 metropolitan areas. NACAA exists to advan...

Visit 4cleanair.org

Key Findings

We analyzed 4cleanair.org page load time and found that the first response time was 57 ms and then it took 3.5 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

4cleanair.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.275

44/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

4cleanair.org

57 ms

www.4cleanair.org

2506 ms

gtm.js

52 ms

style.min.css

14 ms

css

34 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 88% of them (98 requests) were addressed to the original 4cleanair.org, 5% (5 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain 4cleanair.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.7 kB (14%)

Content Size

1.1 MB

After Optimization

911.2 kB

  • HTML
  • Images

In fact, the total size of 4cleanair.org main page is 1.1 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. 75% 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. Images take 882.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 147.9 kB

  • Original 178.8 kB
  • After minification 178.6 kB
  • After compression 30.8 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 147.9 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 1.8 kB

  • Original 882.1 kB
  • After minification 880.3 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. 4 Clean Air images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 85 (86%)

Requests Now

99

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Clean Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 49 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4cleanair.org

4cleanair.org

57 ms

www.4cleanair.org

www.4cleanair.org

2506 ms

gtm.js

gtm.js

52 ms

style.min.css

style.min.css

14 ms

css

css

34 ms

cleantalk-public.min.css

cleantalk-public.min.css

31 ms

styles.css

styles.css

28 ms

contact-form-7-main.min.css

contact-form-7-main.min.css

37 ms

wp-style.css

wp-style.css

25 ms

theme-my-login.min.css

theme-my-login.min.css

31 ms

css

css

34 ms

wpr-hamburger-min.css

wpr-hamburger-min.css

29 ms

wpr-icons.css

wpr-icons.css

59 ms

wprmenu.css

wprmenu.css

41 ms

tribe-events-single-skeleton.min.css

tribe-events-single-skeleton.min.css

39 ms

tribe-events-single-full.min.css

tribe-events-single-full.min.css

66 ms

widget-base.min.css

widget-base.min.css

42 ms

style.css

style.css

60 ms

astra-addon-65851ff7e611c4-82201863.css

astra-addon-65851ff7e611c4-82201863.css

59 ms

elementor-icons.min.css

elementor-icons.min.css

65 ms

frontend.min.css

frontend.min.css

67 ms

swiper.min.css

swiper.min.css

84 ms

post-4.css

post-4.css

86 ms

frontend.min.css

frontend.min.css

74 ms

slick.css

slick.css

86 ms

slick-theme.css

slick-theme.css

87 ms

style.css

style.css

86 ms

global.css

global.css

88 ms

post-6576.css

post-6576.css

110 ms

post-110.css

post-110.css

90 ms

post-113.css

post-113.css

92 ms

ecs-style.css

ecs-style.css

92 ms

post-6362.css

post-6362.css

93 ms

post-6617.css

post-6617.css

125 ms

post-6670.css

post-6670.css

93 ms

post-6702.css

post-6702.css

124 ms

post-6733.css

post-6733.css

103 ms

css

css

30 ms

post-7077.css

post-7077.css

134 ms

post-7084.css

post-7084.css

133 ms

post-8573.css

post-8573.css

99 ms

post-8623.css

post-8623.css

101 ms

post-9335.css

post-9335.css

131 ms

post-15514.css

post-15514.css

111 ms

fontawesome.min.css

fontawesome.min.css

107 ms

solid.min.css

solid.min.css

114 ms

brands.min.css

brands.min.css

111 ms

all.min.css

all.min.css

133 ms

v4-shims.min.css

v4-shims.min.css

112 ms

post-26918.css

post-26918.css

114 ms

animations.min.css

animations.min.css

97 ms

jquery.min.js

jquery.min.js

97 ms

line-awesome.min.css

line-awesome.min.css

151 ms

jquery-migrate.min.js

jquery-migrate.min.js

107 ms

apbct-public-bundle.min.js

apbct-public-bundle.min.js

105 ms

hide-admin-bar-based-on-user-roles-public.js

hide-admin-bar-based-on-user-roles-public.js

103 ms

spbc-cookie.min.js

spbc-cookie.min.js

101 ms

jquery.tablesorter.min.js

jquery.tablesorter.min.js

86 ms

jquery.metadata.js

jquery.metadata.js

91 ms

wp-script.js

wp-script.js

94 ms

modernizr.custom.js

modernizr.custom.js

100 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

95 ms

wprmenu.js

wprmenu.js

97 ms

custom.js

custom.js

97 ms

ecs_ajax_pagination.js

ecs_ajax_pagination.js

96 ms

ecs.js

ecs.js

100 ms

style.min.js

style.min.js

102 ms

slick.js

slick.js

105 ms

main.js

main.js

104 ms

hooks.min.js

hooks.min.js

103 ms

i18n.min.js

i18n.min.js

100 ms

index.js

index.js

99 ms

index.js

index.js

97 ms

dynamic-conditions-public.js

dynamic-conditions-public.js

91 ms

theme-my-login.min.js

theme-my-login.min.js

87 ms

astra-addon-65851ff7e69a60-40466536.js

astra-addon-65851ff7e69a60-40466536.js

84 ms

jquery.sticky.min.js

jquery.sticky.min.js

84 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

208 ms

v4-shims.min.js

v4-shims.min.js

206 ms

imagesloaded.min.js

imagesloaded.min.js

206 ms

webpack.runtime.min.js

webpack.runtime.min.js

204 ms

frontend-modules.min.js

frontend-modules.min.js

202 ms

waypoints.min.js

waypoints.min.js

201 ms

core.min.js

core.min.js

196 ms

frontend.min.js

frontend.min.js

194 ms

ecspro.js

ecspro.js

192 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

193 ms

frontend.min.js

frontend.min.js

191 ms

elements-handlers.min.js

elements-handlers.min.js

183 ms

a29ec4cdf4efcd6eaaa44c43db45f6c5.gif

a29ec4cdf4efcd6eaaa44c43db45f6c5.gif

103 ms

homepage-background-content.png

homepage-background-content.png

143 ms

NACAA-logo.svg

NACAA-logo.svg

96 ms

icon.png

icon.png

100 ms

hero-slider1.jpg

hero-slider1.jpg

188 ms

homepage-news-and-policy.jpg

homepage-news-and-policy.jpg

100 ms

IMAGE-1-496x328.jpeg

IMAGE-1-496x328.jpeg

100 ms

homepage-nacaa-resources.jpg

homepage-nacaa-resources.jpg

100 ms

AIR-NOW-328x328.jpg

AIR-NOW-328x328.jpg

186 ms

homepage-about-nacaa.jpg

homepage-about-nacaa.jpg

185 ms

homepage-members-only.jpg

homepage-members-only.jpg

189 ms

NACAA-white-brand.svg

NACAA-white-brand.svg

186 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

91 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

92 ms

S6u8w4BMUTPHh30AXC-v.ttf

S6u8w4BMUTPHh30AXC-v.ttf

152 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

153 ms

S6u9w4BMUTPHh50XSwiPHA.ttf

S6u9w4BMUTPHh50XSwiPHA.ttf

153 ms

la-solid-900.woff

la-solid-900.woff

45 ms

la-regular-400.woff

la-regular-400.woff

45 ms

fa-solid-900.woff

fa-solid-900.woff

89 ms

fa-brands-400.woff

fa-brands-400.woff

151 ms

icomoon.ttf

icomoon.ttf

89 ms

Accessibility Review

4cleanair.org accessibility score

84

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

High

ARIA IDs are not unique

Best Practices

4cleanair.org 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

High

Page has valid source maps

SEO Factors

4cleanair.org SEO score

88

Search Engine Optimization Advices

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 4cleanair.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 4cleanair.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

4cleanair.org

Open Graph data is detected on the main page of 4 Clean Air. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: