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allergyandair.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

allergyandair.com

Indoor Air Quality | Build.com: HRV, Humidifier, Recovery Ventilator

Page Load Speed

1.2 sec in total

First Response

141 ms

Resources Loaded

1 sec

Page Rendered

68 ms

allergyandair.com screenshot

About Website

Click here to check amazing Allergyand Air content for United States. Otherwise, check out these important facts you probably never knew about allergyandair.com

Refresh and improve the air quality within your home with a variety of IAQ products from Build.com. Shop air purifiers, ventilators, humidifiers, filters, HEPA,

Visit allergyandair.com

Key Findings

We analyzed Allergyandair.com page load time and found that the first response time was 141 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

allergyandair.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value4,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

allergyandair.com

141 ms

www.allergyandair.com

620 ms

5G3ZS-8L7PG-U23WM-5CA4K-LQ3YP

37 ms

pYlU

112 ms

sec-4-5.css

55 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 63% of them (5 requests) were addressed to the original Allergyandair.com, 13% (1 request) were made to S.go-mpulse.net and 13% (1 request) were made to C.go-mpulse.net. The less responsive or slowest element that took the longest time to load (620 ms) belongs to the original domain Allergyandair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.8 kB (23%)

Content Size

63.8 kB

After Optimization

49.0 kB

  • HTML
  • Images

In fact, the total size of Allergyandair.com main page is 63.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 57.7 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 3.1 kB

  • Original 6.0 kB
  • After minification 5.8 kB
  • After compression 2.9 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 3.1 kB or 52% of the original size.

Image Optimization

-20%

Potential reduce by 11.7 kB

  • Original 57.7 kB
  • After minification 46.1 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. Obviously, Allergyand Air needs image optimization as it can save up to 11.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allergyand Air. According to our analytics all requests are already optimized.

Network Requests Diagram

allergyandair.com

allergyandair.com

141 ms

www.allergyandair.com

www.allergyandair.com

620 ms

5G3ZS-8L7PG-U23WM-5CA4K-LQ3YP

5G3ZS-8L7PG-U23WM-5CA4K-LQ3YP

37 ms

pYlU

pYlU

112 ms

sec-4-5.css

sec-4-5.css

55 ms

sec-cpt-4-5.js

sec-cpt-4-5.js

48 ms

config.json

config.json

55 ms

502error-buildnetworklogo.png

502error-buildnetworklogo.png

38 ms

Accessibility Review

allergyandair.com accessibility score

76

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

[aria-*] attributes do not match their roles

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

allergyandair.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

allergyandair.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allergyandair.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Allergyandair.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

allergyandair.com

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