Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

airlinerspotter.com

Airliner spotting, how to tell planes apart, airplane identification, Boeing and Airbus fleet differences, side-by-side commercial airliner comparison...

Page Load Speed

1.2 sec in total

First Response

128 ms

Resources Loaded

770 ms

Page Rendered

305 ms

About Website

Click here to check amazing Airliner Spotter content for United States. Otherwise, check out these important facts you probably never knew about airlinerspotter.com

Airliner spotting, how to tell airliners apart, aircraft ID, Boeing and Airbus differences, side-by-side airliner comparisons

Visit airlinerspotter.com

Key Findings

We analyzed Airlinerspotter.com page load time and found that the first response time was 128 ms and then it took 1.1 sec 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

airlinerspotter.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

airlinerspotter.com

128 ms

airlinerspotter.com

225 ms

js

199 ms

css2

84 ms

all.min.css

75 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 62% of them (23 requests) were addressed to the original Airlinerspotter.com, 11% (4 requests) were made to Fonts.gstatic.com and 8% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (367 ms) belongs to the original domain Airlinerspotter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.0 kB (16%)

Content Size

605.4 kB

After Optimization

506.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airlinerspotter.com main page is 605.4 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. 60% of websites need less resources to load. Images take 346.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.6 kB

  • Original 26.2 kB
  • After minification 21.6 kB
  • After compression 5.7 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 4.6 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 20.6 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 346.7 kB
  • After minification 346.7 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. Airliner Spotter images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 77.7 kB

  • Original 202.6 kB
  • After minification 202.6 kB
  • After compression 124.9 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 77.7 kB or 38% of the original size.

CSS Optimization

-3%

Potential reduce by 780 B

  • Original 29.9 kB
  • After minification 29.9 kB
  • After compression 29.1 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. Airlinerspotter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (59%)

Requests Now

29

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Airliner Spotter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

airlinerspotter.com accessibility score

87

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.

Best Practices

airlinerspotter.com best practices score

75

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

Page has valid source maps

SEO Factors

airlinerspotter.com SEO score

100

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

    EN

  • Encoding

    UTF-8

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

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