Tools & Wizards About Us
fly.co.uk screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

fly.co.uk

Günstige Flüge online buchen – Flug-Angebote vergleichen | fluege.de

Page Load Speed

2.8 sec in total

First Response

414 ms

Resources Loaded

2 sec

Page Rendered

302 ms

fly.co.uk screenshot

About Website

Click here to check amazing Fly content for United Kingdom. Otherwise, check out these important facts you probably never knew about fly.co.uk

Günstige Flüge online buchen – Flug-Angebote vergleichen | fluege.de, Reisen buchen bei fluege.de - Ihre Adresse für Urlaub und Reise (Lastminute, Pauschalreisen, Flüge, Hotels, Mietwagen)

Visit fly.co.uk

Key Findings

We analyzed Fly.co.uk page load time and found that the first response time was 414 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

fly.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

www.fly.co.uk

414 ms

css

24 ms

flycouk___405dc617.css

141 ms

fly.co.uk___index___405dc617.css

136 ms

fox-new-index___405dc617.css

130 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Fly.co.uk, 35% (17 requests) were made to Static.fly.co.uk and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (515 ms) relates to the external source Ad.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 860.6 kB (50%)

Content Size

1.7 MB

After Optimization

865.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fly.co.uk main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 691.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 92.8 kB

  • Original 121.2 kB
  • After minification 120.9 kB
  • After compression 28.4 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 92.8 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 1.6 kB

  • Original 570.9 kB
  • After minification 569.3 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. Fly images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 491.8 kB

  • Original 691.7 kB
  • After minification 685.2 kB
  • After compression 200.0 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 491.8 kB or 71% of the original size.

CSS Optimization

-80%

Potential reduce by 274.4 kB

  • Original 342.6 kB
  • After minification 342.0 kB
  • After compression 68.1 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. Fly.co.uk needs all CSS files to be minified and compressed as it can save up to 274.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (64%)

Requests Now

44

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.fly.co.uk

www.fly.co.uk

414 ms

css

css

24 ms

flycouk___405dc617.css

flycouk___405dc617.css

141 ms

fly.co.uk___index___405dc617.css

fly.co.uk___index___405dc617.css

136 ms

fox-new-index___405dc617.css

fox-new-index___405dc617.css

130 ms

loader___405dc617.js

loader___405dc617.js

172 ms

main___405dc617.js

main___405dc617.js

136 ms

fox_index___405dc617.js

fox_index___405dc617.js

51 ms

conversion.js

conversion.js

16 ms

postscribe___405dc617.js

postscribe___405dc617.js

141 ms

ua.js

ua.js

320 ms

gplus-16.png

gplus-16.png

125 ms

gs_noscript_125-50_en.gif

gs_noscript_125-50_en.gif

117 ms

seal_ctv_80.png

seal_ctv_80.png

481 ms

horizontalReplay__405dc617.png

horizontalReplay__405dc617.png

112 ms

logo-flycouk.png

logo-flycouk.png

112 ms

SPRITE_common_wide__405dc617.png

SPRITE_common_wide__405dc617.png

152 ms

sprite_testimonial__405dc617.png

sprite_testimonial__405dc617.png

113 ms

BCN.jpg

BCN.jpg

112 ms

index__405dc617.png

index__405dc617.png

111 ms

BOS.jpg

BOS.jpg

112 ms

YTO.jpg

YTO.jpg

113 ms

SPRITE_common_wide__405dc617.png

SPRITE_common_wide__405dc617.png

149 ms

budgetMap_630x400.png

budgetMap_630x400.png

148 ms

dc.js

dc.js

43 ms

activityi;src=3308006;type=landi837;cat=landi639;ord=7438536

activityi;src=3308006;type=landi837;cat=landi639;ord=7438536

133 ms

127 ms

__utm.gif

__utm.gif

102 ms

track

track

283 ms

44 ms

ywa.js

ywa.js

57 ms

homepage;afh=;afl=;zfh=;zfl=;kl=;al=;sd=01.03.2016;ed=08.03.2016;knd=nein;tile=2;dcopt=ist;sz=160x600;ord=1456764346

homepage;afh=;afl=;zfh=;zfl=;kl=;al=;sd=01.03.2016;ed=08.03.2016;knd=nein;tile=2;dcopt=ist;sz=160x600;ord=1456764346

515 ms

ps

ps

13 ms

pixel

pixel

22 ms

33 ms

Pug

Pug

16 ms

sd

sd

4 ms

xuid

xuid

5 ms

tap.php

tap.php

26 ms

Pix-1x1.gif

Pix-1x1.gif

22 ms

cmap

cmap

24 ms

20 ms

fpc.pl

fpc.pl

37 ms

sp.pl

sp.pl

40 ms

checktracking.gif

checktracking.gif

9 ms

187 ms

lidar.js

lidar.js

10 ms

demconf.jpg

demconf.jpg

5 ms

Accessibility Review

fly.co.uk accessibility score

50

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

Form elements do not have associated labels

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.

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

fly.co.uk 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

Missing source maps for large first-party JavaScript

SEO Factors

fly.co.uk SEO score

85

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

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

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fly.co.uk can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Fly.co.uk 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

fly.co.uk

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