Tools & Wizards About Us
flightradar.online screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

flightradar.online

Flightradar24 – Track your flight on the flight radar for free - LIVE! FlightRadar-Online

Page Load Speed

2.5 sec in total

First Response

28 ms

Resources Loaded

1.2 sec

Page Rendered

1.2 sec

flightradar.online screenshot

About Website

Visit flightradar.online now to see the best up-to-date Flight Radar content for Russia and also check out these interesting facts you probably never knew about flightradar.online

Flightradar24 is the best flight tracking system in the world! On their service you can track any commercial flight around the world on their flight radar!

Visit flightradar.online

Key Findings

We analyzed Flightradar.online page load time and found that the first response time was 28 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

flightradar.online performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value5,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

flightradar.online

28 ms

flightradar.online

118 ms

gppstub.js

159 ms

boise.js

45 ms

abilene.js

85 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 67% of them (45 requests) were addressed to the original Flightradar.online, 9% (6 requests) were made to Radarbox.com and 6% (4 requests) were made to Cdn.radarbox.com. The less responsive or slowest element that took the longest time to load (805 ms) relates to the external source Radarbox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.6 kB (38%)

Content Size

628.6 kB

After Optimization

387.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Flightradar.online main page is 628.6 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. 65% of websites need less resources to load. Javascripts take 271.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 96.8 kB

  • Original 123.9 kB
  • After minification 117.9 kB
  • After compression 27.1 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 96.8 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 15.9 kB

  • Original 181.4 kB
  • After minification 165.4 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. Flight Radar images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 126.3 kB

  • Original 271.9 kB
  • After minification 271.8 kB
  • After compression 145.5 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 126.3 kB or 46% of the original size.

CSS Optimization

-5%

Potential reduce by 2.6 kB

  • Original 51.5 kB
  • After minification 51.5 kB
  • After compression 48.9 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. Flightradar.online has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (61%)

Requests Now

64

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flight Radar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

flightradar.online

flightradar.online

28 ms

flightradar.online

flightradar.online

118 ms

gppstub.js

gppstub.js

159 ms

boise.js

boise.js

45 ms

abilene.js

abilene.js

85 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

55 ms

style.min.css

style.min.css

54 ms

classic-themes.min.css

classic-themes.min.css

94 ms

cookie-law-info-public.css

cookie-law-info-public.css

92 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

91 ms

cookieblocker.min.css

cookieblocker.min.css

87 ms

bootstrap.min.css

bootstrap.min.css

136 ms

style.css

style.css

88 ms

frontend-gtag.min.js

frontend-gtag.min.js

92 ms

jquery.min.js

jquery.min.js

155 ms

cookie-law-info-public.js

cookie-law-info-public.js

134 ms

ccpaplus.js

ccpaplus.js

135 ms

DMCABadgeHelper.min.js

DMCABadgeHelper.min.js

186 ms

main.css

main.css

133 ms

popper.min.js

popper.min.js

152 ms

bootstrap.min.js

bootstrap.min.js

184 ms

main.js

main.js

152 ms

complianz.min.js

complianz.min.js

151 ms

main.js

main.js

151 ms

v.js

v.js

151 ms

flightradar-logo.png

flightradar-logo.png

60 ms

www.radarbox.com

www.radarbox.com

805 ms

maxresdefault.jpg

maxresdefault.jpg

119 ms

united-kingdom.svg

united-kingdom.svg

79 ms

germany.svg

germany.svg

75 ms

portugal.svg

portugal.svg

84 ms

spain.svg

spain.svg

82 ms

monaco.svg

monaco.svg

77 ms

france.svg

france.svg

107 ms

italy.svg

italy.svg

89 ms

netherlands.svg

netherlands.svg

91 ms

russia.svg

russia.svg

104 ms

ukraine.svg

ukraine.svg

105 ms

turkey.svg

turkey.svg

93 ms

pakistan.svg

pakistan.svg

114 ms

japan.svg

japan.svg

107 ms

indonesia.svg

indonesia.svg

116 ms

people0.png

people0.png

117 ms

scrolldown.png

scrolldown.png

114 ms

ico_1.png

ico_1.png

115 ms

ico_2.png

ico_2.png

119 ms

ico_3.png

ico_3.png

124 ms

people1.png

people1.png

123 ms

ico_4.png

ico_4.png

123 ms

ico_5.png

ico_5.png

123 ms

ico_6.png

ico_6.png

124 ms

wind_sign.png

wind_sign.png

133 ms

ico_air.png

ico_air.png

129 ms

twitter.png

twitter.png

130 ms

fb.png

fb.png

133 ms

dmca_copyright_protected150b.png

dmca_copyright_protected150b.png

76 ms

rb24-778645fc.css

rb24-778645fc.css

25 ms

adsbygoogle.js

adsbygoogle.js

54 ms

ol-10-1-0.js

ol-10-1-0.js

129 ms

airnav_radarbox_logo.svg

airnav_radarbox_logo.svg

151 ms

icon_go_to.svg

icon_go_to.svg

19 ms

store_google.png

store_google.png

154 ms

store_apple.png

store_apple.png

157 ms

waves_white.svg

waves_white.svg

73 ms

PTSans-Regular.otf

PTSans-Regular.otf

65 ms

polyfill.min.js

polyfill.min.js

15 ms

widget-d09c50c0.js

widget-d09c50c0.js

59 ms

Accessibility Review

flightradar.online accessibility score

80

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

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

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.

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

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

flightradar.online best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

flightradar.online SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Flightradar.online can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Flightradar.online 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

flightradar.online

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