Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

londonairport.on.ca

London International Airport

Page Load Speed

3.2 sec in total

First Response

156 ms

Resources Loaded

2.7 sec

Page Rendered

280 ms

londonairport.on.ca screenshot

About Website

Click here to check amazing London Airport On content. Otherwise, check out these important facts you probably never knew about londonairport.on.ca

Welcome to London International Airport, where you can start here and go anywhere!

Visit londonairport.on.ca

Key Findings

We analyzed Londonairport.on.ca page load time and found that the first response time was 156 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

londonairport.on.ca performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

flylondon.ca

156 ms

css

26 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

23 ms

css_ewq5zh73OptIma2KKCkB_Ya1n_SD-JviRMOnSyjodog.css

45 ms

css_OAvljxL3zyyoxc7PgJED9fazvzsKmG_-TZQOvEYJm7A.css

73 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Londonairport.on.ca, 13% (8 requests) were made to Btn.weather.ca and 7% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Btn.weather.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 461.3 kB (45%)

Content Size

1.0 MB

After Optimization

560.2 kB

In fact, the total size of Londonairport.on.ca main page is 1.0 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 431.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 42.1 kB

  • Original 53.3 kB
  • After minification 50.4 kB
  • After compression 11.2 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. 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 42.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 8.8 kB

  • Original 431.6 kB
  • After minification 422.8 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. London Airport On images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 196.9 kB

  • Original 282.7 kB
  • After minification 255.3 kB
  • After compression 85.8 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 196.9 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 213.5 kB

  • Original 253.9 kB
  • After minification 248.6 kB
  • After compression 40.3 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. Londonairport.on.ca needs all CSS files to be minified and compressed as it can save up to 213.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (47%)

Requests Now

55

After Optimization

29

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London Airport On. 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.

Accessibility Review

londonairport.on.ca accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

londonairport.on.ca 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

High

Page has valid source maps

SEO Factors

londonairport.on.ca 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Londonairport.on.ca 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 Londonairport.on.ca 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 London Airport On. 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: