Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

airfilters.com

Air Filters all Brands & Sizes Direct to your Door - AirFilters.com | AirFilters.com

Page Load Speed

2.7 sec in total

First Response

58 ms

Resources Loaded

2.2 sec

Page Rendered

418 ms

About Website

Welcome to airfilters.com homepage info - get ready to check Air Filters best content for United States right away, or after learning these important things about airfilters.com

Home page

Visit airfilters.com

Key Findings

We analyzed Airfilters.com page load time and found that the first response time was 58 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

airfilters.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,840 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

airfilters.com

58 ms

airfilters.com

54 ms

www.airfilters.com

131 ms

u5zXos-RnHjQak_EcFn79PpdnZU.js

63 ms

calendar.min.css

99 ms

Our browser made a total of 296 requests to load all elements on the main page. We found that 87% of them (257 requests) were addressed to the original Airfilters.com, 2% (6 requests) were made to Js.klevu.com and 2% (6 requests) were made to P.yotpo.com. The less responsive or slowest element that took the longest time to load (301 ms) belongs to the original domain Airfilters.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 284.1 kB (7%)

Content Size

3.9 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airfilters.com main page is 3.9 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. Only a small number of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 276.0 kB

  • Original 306.5 kB
  • After minification 274.3 kB
  • After compression 30.5 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. This page needs HTML code to be minified as it can gain 32.2 kB, which is 11% 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 276.0 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 190 B

  • Original 3.0 MB
  • After minification 3.0 MB

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 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.5 kB

  • Original 476.2 kB
  • After minification 476.1 kB
  • After compression 468.7 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.

CSS Optimization

-1%

Potential reduce by 354 B

  • Original 51.5 kB
  • After minification 51.5 kB
  • After compression 51.2 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. Airfilters.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 240 (84%)

Requests Now

285

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 285 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Filters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 217 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

airfilters.com accessibility score

75

Accessibility Issues

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

airfilters.com best practices score

67

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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

airfilters.com SEO score

84

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

Content Best Practices

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

Impact

Issue

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 Airfilters.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 Airfilters.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

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