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mobile.flightstats.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

mobile.flightstats.com

FlightStats - Global Flight Status & Tracker, Airport Weather and Delays

Page Load Speed

796 ms in total

First Response

252 ms

Resources Loaded

463 ms

Page Rendered

81 ms

mobile.flightstats.com screenshot

About Website

Welcome to mobile.flightstats.com homepage info - get ready to check Mobile Flight Stats best content for United States right away, or after learning these important things about mobile.flightstats.com

Track real-time flight status, departures and arrivals, airport delays, and airport information using FlightStats Global Flight Tracker.

Visit mobile.flightstats.com

Key Findings

We analyzed Mobile.flightstats.com page load time and found that the first response time was 252 ms and then it took 544 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

mobile.flightstats.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value21.2 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value4,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

mobile.flightstats.com

252 ms

termsofuseviolation.html

43 ms

mainstyle.css

7 ms

layoutstyle.css

31 ms

flight_stats_header_logo.gif

33 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Mobile.flightstats.com, 80% (4 requests) were made to Static.flightstats.com. The less responsive or slowest element that took the longest time to load (252 ms) belongs to the original domain Mobile.flightstats.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.1 kB (75%)

Content Size

10.7 kB

After Optimization

2.6 kB

  • HTML
  • CSS

In fact, the total size of Mobile.flightstats.com main page is 10.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 8.7 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.2 kB

  • Original 2.0 kB
  • After minification 1.7 kB
  • After compression 812 B

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 339 B, which is 17% 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 1.2 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 6.9 kB

  • Original 8.7 kB
  • After minification 6.6 kB
  • After compression 1.8 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. Mobile.flightstats.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mobile Flight Stats. According to our analytics all requests are already optimized.

Network Requests Diagram

mobile.flightstats.com

mobile.flightstats.com

252 ms

termsofuseviolation.html

termsofuseviolation.html

43 ms

mainstyle.css

mainstyle.css

7 ms

layoutstyle.css

layoutstyle.css

31 ms

flight_stats_header_logo.gif

flight_stats_header_logo.gif

33 ms

Accessibility Review

mobile.flightstats.com accessibility score

82

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

mobile.flightstats.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

mobile.flightstats.com SEO score

91

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

High

Tap targets are not sized appropriately

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 Mobile.flightstats.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 Mobile.flightstats.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

mobile.flightstats.com

Open Graph description is not detected on the main page of Mobile Flight Stats. 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: