Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

airnavsystems.com

The Airnav Edge - AirNav RadarBox - Global Flight Tracking Intelligence | Live Flight Tracker and Airport Status

Page Load Speed

2 sec in total

First Response

216 ms

Resources Loaded

1.5 sec

Page Rendered

309 ms

airnavsystems.com screenshot

About Website

Welcome to airnavsystems.com homepage info - get ready to check Airnav Systems best content for Russia right away, or after learning these important things about airnavsystems.com

The Airnav Edge - Real-time flight tracking with one of the best and most accurate ADS-B coverage worldwide. Check airport arrivals and departures status and aircraft history.

Visit airnavsystems.com

Key Findings

We analyzed Airnavsystems.com page load time and found that the first response time was 216 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

airnavsystems.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

airnavsystems.com

216 ms

airnav-edge

73 ms

airnav-edge

606 ms

js

70 ms

gtm.js

200 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Airnavsystems.com, 58% (25 requests) were made to Radarbox.com and 9% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (606 ms) relates to the external source Radarbox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 367.1 kB (20%)

Content Size

1.9 MB

After Optimization

1.5 MB

In fact, the total size of Airnavsystems.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 199.8 kB

  • Original 303.4 kB
  • After minification 299.3 kB
  • After compression 103.6 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 199.8 kB or 66% of the original size.

Image Optimization

-3%

Potential reduce by 40.2 kB

  • Original 1.3 MB
  • After minification 1.2 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. Airnav Systems images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 126.9 kB

  • Original 213.1 kB
  • After minification 213.1 kB
  • After compression 86.2 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 126.9 kB or 60% of the original size.

CSS Optimization

-0%

Potential reduce by 94 B

  • Original 54.6 kB
  • After minification 54.6 kB
  • After compression 54.5 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. Airnavsystems.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

37

After Optimization

25

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Airnav Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

airnavsystems.com accessibility score

49

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

airnavsystems.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

SEO Factors

airnavsystems.com SEO score

93

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

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

    UNICODE

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airnavsystems.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 Airnavsystems.com main page’s claimed encoding is unicode. 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

Open Graph data is detected on the main page of Airnav Systems. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: