Tools & Wizards About Us
airsysinc.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

airsysinc.com

Air Systems, Inc : Maryland-Virginia-DC Area

Page Load Speed

4.8 sec in total

First Response

68 ms

Resources Loaded

4.6 sec

Page Rendered

109 ms

airsysinc.com screenshot

About Website

Welcome to airsysinc.com homepage info - get ready to check Air Sys Inc best content right away, or after learning these important things about airsysinc.com

Air Systems, Inc offers air duct, dryer vent and chimney cleaning services. Baltimore, Maryland, Virginia, DC.

Visit airsysinc.com

Key Findings

We analyzed Airsysinc.com page load time and found that the first response time was 68 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

airsysinc.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

airsysinc.com

68 ms

airsysinc.com

336 ms

www.airsysinc.com

493 ms

airsysStyles.css

310 ms

scripts.js

346 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 91% of them (29 requests) were addressed to the original Airsysinc.com, 6% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Airsysinc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.3 kB (9%)

Content Size

191.2 kB

After Optimization

174.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airsysinc.com main page is 191.2 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. Only 10% of websites need less resources to load. Images take 158.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.8 kB

  • Original 14.5 kB
  • After minification 13.5 kB
  • After compression 3.7 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 10.8 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 5.3 kB

  • Original 158.5 kB
  • After minification 153.2 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 Sys Inc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-16%

Potential reduce by 164 B

  • Original 1.0 kB
  • After minification 1.0 kB
  • After compression 858 B

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. Airsysinc.com needs all CSS files to be minified and compressed as it can save up to 164 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (30%)

Requests Now

27

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Sys Inc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

airsysinc.com

airsysinc.com

68 ms

airsysinc.com

airsysinc.com

336 ms

www.airsysinc.com

www.airsysinc.com

493 ms

airsysStyles.css

airsysStyles.css

310 ms

scripts.js

scripts.js

346 ms

background2.jpg

background2.jpg

298 ms

topLogo.jpg

topLogo.jpg

308 ms

toolBarHome.gif

toolBarHome.gif

617 ms

toolBarContact.gif

toolBarContact.gif

627 ms

toolBarPrint.gif

toolBarPrint.gif

321 ms

toolBarExtra1.gif

toolBarExtra1.gif

317 ms

toolbarRightBar.gif

toolbarRightBar.gif

897 ms

air_duct_cleaning.jpg

air_duct_cleaning.jpg

625 ms

power_washing.jpg

power_washing.jpg

612 ms

dryer_vent_cleaning.jpg

dryer_vent_cleaning.jpg

928 ms

chimney_cleaning.jpg

chimney_cleaning.jpg

908 ms

mold_remem2.jpg

mold_remem2.jpg

1132 ms

mold_reme.jpg

mold_reme.jpg

996 ms

facebook.png

facebook.png

1010 ms

twitter_2.png

twitter_2.png

2736 ms

linkedin.png

linkedin.png

1215 ms

rss.png

rss.png

1222 ms

flickr.png

flickr.png

1458 ms

internetSpecial_left.png

internetSpecial_left.png

1392 ms

coupon1.jpg

coupon1.jpg

1435 ms

ga.js

ga.js

19 ms

__utm.gif

__utm.gif

11 ms

unsupportedbrowser

unsupportedbrowser

69 ms

www.airsysinc.com

www.airsysinc.com

1455 ms

toolBarHome_f2.gif

toolBarHome_f2.gif

430 ms

toolBarContact_f2.gif

toolBarContact_f2.gif

590 ms

toolBarPrint_f2.gif

toolBarPrint_f2.gif

326 ms

Accessibility Review

airsysinc.com accessibility score

55

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

airsysinc.com 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

Serves images with low resolution

SEO Factors

airsysinc.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airsysinc.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 Airsysinc.com main page’s claimed encoding is iso-8859-1. 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

airsysinc.com

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