Tools & Wizards About Us
air-source.us screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% 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

  • 67

    SEO

    Google-friendlier than
    26% of websites

air-source.us

AirSource- The Original Virtual Pilot Union

Page Load Speed

1 sec in total

First Response

51 ms

Resources Loaded

789 ms

Page Rendered

193 ms

air-source.us screenshot

About Website

Visit air-source.us now to see the best up-to-date Air Source content for United States and also check out these interesting facts you probably never knew about air-source.us

Virtual Flight aviation enthusiasts...we are the original virtual pilot union spanning the globe! Flight simulation at its best. AirSource can also be considered as a virtual airline...

Visit air-source.us

Key Findings

We analyzed Air-source.us page load time and found that the first response time was 51 ms and then it took 982 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

air-source.us performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.347

32/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

air-source.us

51 ms

air-source.us

450 ms

embed.min.js

47 ms

overlib.js

70 ms

tb2

33 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 94% of them (45 requests) were addressed to the original Air-source.us, 4% (2 requests) were made to Free.timeanddate.com and 2% (1 request) were made to App.termly.io. The less responsive or slowest element that took the longest time to load (450 ms) belongs to the original domain Air-source.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.9 kB (8%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Air-source.us main page is 1.2 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 58.6 kB

  • Original 71.9 kB
  • After minification 59.1 kB
  • After compression 13.2 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 12.7 kB, which is 18% 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 58.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 27.7 kB

  • Original 1.1 MB
  • After minification 1.1 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 Source images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 4.6 kB

  • Original 14.5 kB
  • After minification 14.5 kB
  • After compression 9.9 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 4.6 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (23%)

Requests Now

39

After Optimization

30

  • AJAX
  • Images
  • JavaScript

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Source. 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

air-source.us

air-source.us

51 ms

air-source.us

air-source.us

450 ms

embed.min.js

embed.min.js

47 ms

overlib.js

overlib.js

70 ms

tb2

tb2

33 ms

FlagUSA.gif

FlagUSA.gif

48 ms

MainTop.jpg

MainTop.jpg

53 ms

X2.gif

X2.gif

20 ms

x_Next.gif

x_Next.gif

37 ms

x_Roster.gif

x_Roster.gif

55 ms

XHelp.gif

XHelp.gif

68 ms

crew_pass.php

crew_pass.php

18 ms

Olympics2024.png

Olympics2024.png

143 ms

x_Connection.gif

x_Connection.gif

69 ms

GE.jpg

GE.jpg

32 ms

WGN.gif

WGN.gif

70 ms

_FX.gif

_FX.gif

69 ms

ASG.gif

ASG.gif

70 ms

FDX.gif

FDX.gif

84 ms

EZY.gif

EZY.gif

84 ms

EZS.gif

EZS.gif

86 ms

EJU.gif

EJU.gif

87 ms

VIR.gif

VIR.gif

87 ms

RYR.gif

RYR.gif

100 ms

aso.gif

aso.gif

100 ms

GBB.gif

GBB.gif

101 ms

SIF.gif

SIF.gif

103 ms

SMA.gif

SMA.gif

103 ms

NWC.gif

NWC.gif

116 ms

VATSIM.gif

VATSIM.gif

116 ms

roster_012023.jpg

roster_012023.jpg

222 ms

newas_ftype_sch.jpg

newas_ftype_sch.jpg

120 ms

newas_ftype_bid.jpg

newas_ftype_bid.jpg

120 ms

asha.gif

asha.gif

135 ms

asg.gif

asg.gif

135 ms

WMOREC.jpg

WMOREC.jpg

137 ms

FlagCanada.gif

FlagCanada.gif

39 ms

FlagRussia.gif

FlagRussia.gif

39 ms

FlagAustralia.gif

FlagAustralia.gif

38 ms

vatsim.jpg

vatsim.jpg

39 ms

ts.php

ts.php

9 ms

crew_pass.php

crew_pass.php

179 ms

GE.jpg

GE.jpg

147 ms

FlagUSA.gif

FlagUSA.gif

115 ms

FlagRussia.gif

FlagRussia.gif

116 ms

FlagCanada.gif

FlagCanada.gif

138 ms

FlagAustralia.gif

FlagAustralia.gif

138 ms

vatsim.jpg

vatsim.jpg

137 ms

Accessibility Review

air-source.us accessibility score

75

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

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

air-source.us best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

air-source.us SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Air-source.us 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 Air-source.us main page’s claimed encoding is windows-1252. 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

air-source.us

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