Tools & Wizards About Us
airfiltersusa.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

airfiltersusa.com

Order Replacement Air Filters Online for Residential or Commercial Air Filtration | Air Filters, Inc.

Page Load Speed

3.2 sec in total

First Response

70 ms

Resources Loaded

2.6 sec

Page Rendered

531 ms

airfiltersusa.com screenshot

About Website

Visit airfiltersusa.com now to see the best up-to-date Air Filters Usa content and also check out these interesting facts you probably never knew about airfiltersusa.com

For 65 years, Air Filters, Inc. has supplied a variety of industries from medical to OEM for their air filtration needs. From stock to custom products, Air Filters, Inc. holds patents for innovative n...

Visit airfiltersusa.com

Key Findings

We analyzed Airfiltersusa.com page load time and found that the first response time was 70 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

airfiltersusa.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.19

64/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

airfiltersusa.com

70 ms

www.airfilterusa.com

709 ms

styles.css

13 ms

mirasvit_searchindex.css

28 ms

styles.css

28 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Airfiltersusa.com, 78% (80 requests) were made to Airfilterusa.com and 5% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.0 kB (14%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airfiltersusa.com main page is 1.5 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. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 101.9 kB

  • Original 120.3 kB
  • After minification 112.1 kB
  • After compression 18.4 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 101.9 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 37.1 kB

  • Original 1.0 MB
  • After minification 967.2 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 Filters Usa images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 54.4 kB

  • Original 286.1 kB
  • After minification 284.5 kB
  • After compression 231.8 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 54.4 kB or 19% of the original size.

CSS Optimization

-19%

Potential reduce by 14.6 kB

  • Original 75.4 kB
  • After minification 75.4 kB
  • After compression 60.9 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. Airfiltersusa.com needs all CSS files to be minified and compressed as it can save up to 14.6 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (60%)

Requests Now

91

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Filters Usa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

airfiltersusa.com

airfiltersusa.com

70 ms

www.airfilterusa.com

www.airfilterusa.com

709 ms

styles.css

styles.css

13 ms

mirasvit_searchindex.css

mirasvit_searchindex.css

28 ms

styles.css

styles.css

28 ms

amshopby.css

amshopby.css

32 ms

amazon.css

amazon.css

37 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

37 ms

custom-styles.css

custom-styles.css

49 ms

responsive.css

responsive.css

43 ms

jquery.fancybox.css

jquery.fancybox.css

42 ms

prototype.js

prototype.js

61 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

60 ms

noconflict.js

noconflict.js

57 ms

ccard.js

ccard.js

79 ms

validation.js

validation.js

59 ms

builder.js

builder.js

83 ms

effects.js

effects.js

84 ms

dragdrop.js

dragdrop.js

87 ms

controls.js

controls.js

88 ms

slider.js

slider.js

89 ms

js.js

js.js

89 ms

form.js

form.js

92 ms

translate.js

translate.js

91 ms

cookies.js

cookies.js

93 ms

jquery.min.js

jquery.min.js

96 ms

underscore.js

underscore.js

93 ms

backbone.js

backbone.js

104 ms

form.js

form.js

101 ms

autocomplete.js

autocomplete.js

95 ms

logic.js

logic.js

93 ms

modernizr.custom.min.js

modernizr.custom.min.js

101 ms

selectivizr.js

selectivizr.js

102 ms

matchMedia.js

matchMedia.js

102 ms

matchMedia.addListener.js

matchMedia.addListener.js

107 ms

enquire.js

enquire.js

102 ms

app.js

app.js

108 ms

ionicons.min.css

ionicons.min.css

125 ms

css

css

1291 ms

xkz0fgm.js

xkz0fgm.js

141 ms

seal.js

seal.js

134 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

106 ms

jquery.cycle2.swipe.min.js

jquery.cycle2.swipe.min.js

94 ms

slideshow.js

slideshow.js

95 ms

imagesloaded.js

imagesloaded.js

92 ms

minicart.js

minicart.js

87 ms

msrp.js

msrp.js

79 ms

msrp_rwd.js

msrp_rwd.js

79 ms

jquery.mmenu.min.all.js

jquery.mmenu.min.all.js

74 ms

global.js

global.js

79 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

63 ms

jquery.mixitup.js

jquery.mixitup.js

62 ms

jquery.sticky.js

jquery.sticky.js

61 ms

jquery.fancybox.js

jquery.fancybox.js

47 ms

home.js

home.js

57 ms

analytics.js

analytics.js

91 ms

gtm.js

gtm.js

253 ms

AirFilterUSA-2018-2.png

AirFilterUSA-2018-2.png

68 ms

sprite.png

sprite.png

62 ms

banner-home.png

banner-home.png

257 ms

astrosorbplus-4-inch-2_16_1.png

astrosorbplus-4-inch-2_16_1.png

241 ms

pollen.png

pollen.png

230 ms

dust.png

dust.png

229 ms

virus.png

virus.png

234 ms

spritesheet-steps.png

spritesheet-steps.png

62 ms

USA.png

USA.png

230 ms

healthcare-filter-housing_4.png

healthcare-filter-housing_4.png

259 ms

bg_steps.png

bg_steps.png

232 ms

step-divider.png

step-divider.png

232 ms

step-main-img.png

step-main-img.png

232 ms

no-image-available.jpg

no-image-available.jpg

533 ms

logo-USA-white.png

logo-USA-white.png

233 ms

FURNACE-STANDARD_1_1_1.jpg

FURNACE-STANDARD_1_1_1.jpg

234 ms

Washable_15.jpg

Washable_15.jpg

255 ms

bucket-img-default.png

bucket-img-default.png

259 ms

CARBON_1.jpg

CARBON_1.jpg

269 ms

youtube_preview.jpg

youtube_preview.jpg

291 ms

logo-nafa.png

logo-nafa.png

255 ms

logo-filtera.png

logo-filtera.png

256 ms

logo-ashrae.png

logo-ashrae.png

256 ms

logo-onsite.png

logo-onsite.png

257 ms

logo-footer-2018.png

logo-footer-2018.png

257 ms

opc-ajax-loader.gif

opc-ajax-loader.gif

262 ms

AFI-Banner.jpg

AFI-Banner.jpg

297 ms

paymentLogos.png

paymentLogos.png

262 ms

spritesheet-resources.png

spritesheet-resources.png

238 ms

2sDcZG1Wl4LcnbuCNWgzaGW8.ttf

2sDcZG1Wl4LcnbuCNWgzaGW8.ttf

52 ms

2sDfZG1Wl4LcnbuKjk0j.ttf

2sDfZG1Wl4LcnbuKjk0j.ttf

53 ms

2sDcZG1Wl4LcnbuCJW8zaGW8.ttf

2sDcZG1Wl4LcnbuCJW8zaGW8.ttf

82 ms

ionicons.ttf

ionicons.ttf

50 ms

d

d

34 ms

d

d

35 ms

secure90x72.gif

secure90x72.gif

165 ms

social-spritesheet_color.png

social-spritesheet_color.png

199 ms

ec.js

ec.js

23 ms

linkid.js

linkid.js

24 ms

collect

collect

31 ms

collect

collect

116 ms

ga-audiences

ga-audiences

81 ms

d

d

12 ms

d

d

12 ms

p.gif

p.gif

31 ms

Accessibility Review

airfiltersusa.com accessibility score

70

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

airfiltersusa.com best practices score

83

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

Page has valid source maps

SEO Factors

airfiltersusa.com SEO score

83

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

High

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

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 Airfiltersusa.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 Airfiltersusa.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

airfiltersusa.com

Open Graph description is not detected on the main page of Air Filters Usa. 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: