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aso.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

aso.com

Airplanes and Aircraft for Sale | Buy and Sell | ASO

Page Load Speed

913 ms in total

First Response

160 ms

Resources Loaded

644 ms

Page Rendered

109 ms

aso.com screenshot

About Website

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

Aircraft Shopper Online is the most comprehensive and up-to-date aircraft listing source. More than half the aircraft dealers and brokers in North America use ASO to publicize their available inventor...

Visit aso.com

Key Findings

We analyzed Aso.com page load time and found that the first response time was 160 ms and then it took 753 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

aso.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

aso.com

160 ms

WebResource.axd

57 ms

WebResource.axd

68 ms

WebResource.axd

34 ms

WebResource.axd

96 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original Aso.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Js-agent.newrelic.com. The less responsive or slowest element that took the longest time to load (160 ms) belongs to the original domain Aso.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (56%)

Content Size

3.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aso.com main page is 3.4 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. 45% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 328.3 kB

  • Original 374.2 kB
  • After minification 262.1 kB
  • After compression 45.8 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. This page needs HTML code to be minified as it can gain 112.0 kB, which is 30% 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 328.3 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 44.4 kB

  • Original 996.6 kB
  • After minification 952.2 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. ASO images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 856.4 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 328.2 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 856.4 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 667.9 kB

  • Original 807.9 kB
  • After minification 680.0 kB
  • After compression 140.0 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. Aso.com needs all CSS files to be minified and compressed as it can save up to 667.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (35%)

Requests Now

62

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ASO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aso.com

aso.com

160 ms

WebResource.axd

WebResource.axd

57 ms

WebResource.axd

WebResource.axd

68 ms

WebResource.axd

WebResource.axd

34 ms

WebResource.axd

WebResource.axd

96 ms

WebResource.axd

WebResource.axd

41 ms

WebResource.axd

WebResource.axd

43 ms

WebResource.axd

WebResource.axd

47 ms

WebResource.axd

WebResource.axd

62 ms

aso-common.js

aso-common.js

76 ms

RotatingImgsView.js

RotatingImgsView.js

77 ms

HomeCenter.js

HomeCenter.js

77 ms

WebResource.axd

WebResource.axd

60 ms

awstats_misc_tracker.js

awstats_misc_tracker.js

61 ms

ga.js

ga.js

30 ms

WebResource.axd

WebResource.axd

21 ms

WebResource.axd

WebResource.axd

23 ms

sale_van_bortel_home.jpg

sale_van_bortel_home.jpg

25 ms

sale_conklin-home.gif

sale_conklin-home.gif

139 ms

Aviation_WebBanner_254x56_2.jpg

Aviation_WebBanner_254x56_2.jpg

26 ms

sale_bwi_home.gif

sale_bwi_home.gif

28 ms

N206VG_1A_fAd.jpg

N206VG_1A_fAd.jpg

136 ms

N26493_MainPic_387x162-1L_1_fAd.jpg

N26493_MainPic_387x162-1L_1_fAd.jpg

137 ms

Ext1_4_fAd.jpg

Ext1_4_fAd.jpg

138 ms

400XP_2006_Externa_fAd.jpg

400XP_2006_Externa_fAd.jpg

139 ms

1_87_fAd.jpg

1_87_fAd.jpg

140 ms

N783RSa_fAd.jpg

N783RSa_fAd.jpg

140 ms

1_171_fAd.jpg

1_171_fAd.jpg

141 ms

1_198_fAd.jpg

1_198_fAd.jpg

142 ms

WebResource.axd

WebResource.axd

140 ms

__utm.gif

__utm.gif

68 ms

WebResource.axd

WebResource.axd

69 ms

WebResource.axd

WebResource.axd

70 ms

WebResource.axd

WebResource.axd

69 ms

WebResource.axd

WebResource.axd

69 ms

WebResource.axd

WebResource.axd

71 ms

WebResource.axd

WebResource.axd

70 ms

WebResource.axd

WebResource.axd

71 ms

WebResource.axd

WebResource.axd

72 ms

WebResource.axd

WebResource.axd

72 ms

WebResource.axd

WebResource.axd

72 ms

WebResource.axd

WebResource.axd

73 ms

WebResource.axd

WebResource.axd

73 ms

awstats_misc_tracker.js

awstats_misc_tracker.js

22 ms

WebResource.axd

WebResource.axd

23 ms

WebResource.axd

WebResource.axd

21 ms

iconBg.png

iconBg.png

22 ms

jet_SearchFeatures_1_7.png

jet_SearchFeatures_1_7.png

32 ms

turbo_SellYourAircraft_2_5.png

turbo_SellYourAircraft_2_5.png

59 ms

helicopter_MyASO_3_5.png

helicopter_MyASO_3_5.png

57 ms

ACTail_EmailRegistration_4_5.png

ACTail_EmailRegistration_4_5.png

44 ms

piston_MMAS_5_5.png

piston_MMAS_5_5.png

57 ms

BuyAC_thumb_1_6.png

BuyAC_thumb_1_6.png

42 ms

ForSale_Thumb_2_6.png

ForSale_Thumb_2_6.png

48 ms

MyASO_thumb_3_6.png

MyASO_thumb_3_6.png

61 ms

EmailRegistration_thumb_4_5.png

EmailRegistration_thumb_4_5.png

67 ms

MMAS_thumb_5_5.png

MMAS_thumb_5_5.png

70 ms

inactive.png

inactive.png

70 ms

WebResource.axd

WebResource.axd

85 ms

pass.png

pass.png

100 ms

WebResource.axd

WebResource.axd

114 ms

WebResource.axd

WebResource.axd

126 ms

nr-852.min.js

nr-852.min.js

62 ms

Accessibility Review

aso.com accessibility score

62

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.

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

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

aso.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

aso.com SEO score

92

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aso.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 Aso.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

aso.com

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