Tools & Wizards About Us
lufthansa.fr screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lufthansa.fr

Book tickets online now and fly out into the world | Lufthansa

Page Load Speed

2 sec in total

First Response

205 ms

Resources Loaded

1.5 sec

Page Rendered

336 ms

lufthansa.fr screenshot

About Website

Click here to check amazing Lufthansa content. Otherwise, check out these important facts you probably never knew about lufthansa.fr

Book flights online to worldwide destinations and enjoy a pleasant travel experience in comfort and safety. Look out for great offers and discounts. Book now!

Visit lufthansa.fr

Key Findings

We analyzed Lufthansa.fr page load time and found that the first response time was 205 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

lufthansa.fr performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value34.0 s

0/100

25%

SI (Speed Index)

Value33.3 s

0/100

10%

TBT (Total Blocking Time)

Value47,650 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.088

93/100

15%

TTI (Time to Interactive)

Value60.6 s

0/100

10%

Network Requests Diagram

lufthansa.fr

205 ms

www.lufthansa.fr

141 ms

homepage

432 ms

utag.js

10 ms

dlh-helvetica-w01.css

27 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Lufthansa.fr, 74% (46 requests) were made to Lufthansa.com and 8% (5 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (432 ms) relates to the external source Lufthansa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (45%)

Content Size

3.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lufthansa.fr main page is 3.6 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 146.6 kB

  • Original 171.7 kB
  • After minification 156.0 kB
  • After compression 25.1 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 146.6 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 217.7 kB

  • Original 1.8 MB
  • After minification 1.5 MB

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. Obviously, Lufthansa needs image optimization as it can save up to 217.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 692.0 kB

  • Original 988.1 kB
  • After minification 956.1 kB
  • After compression 296.0 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 692.0 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 550.6 kB

  • Original 693.0 kB
  • After minification 692.4 kB
  • After compression 142.4 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. Lufthansa.fr needs all CSS files to be minified and compressed as it can save up to 550.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (33%)

Requests Now

58

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lufthansa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

lufthansa.fr

lufthansa.fr

205 ms

www.lufthansa.fr

www.lufthansa.fr

141 ms

homepage

homepage

432 ms

utag.js

utag.js

10 ms

dlh-helvetica-w01.css

dlh-helvetica-w01.css

27 ms

lh_style.css

lh_style.css

28 ms

vendor.min.js

vendor.min.js

24 ms

lh_jquery.min.js

lh_jquery.min.js

26 ms

dojo.js

dojo.js

25 ms

lh_full.js

lh_full.js

23 ms

mmcore.js

mmcore.js

137 ms

lh_flm.min.js

lh_flm.min.js

138 ms

main.js

main.js

50 ms

main.js

main.js

49 ms

main.js

main.js

49 ms

wtedyn.js

wtedyn.js

46 ms

29 ms

media_1359767531.png

media_1359767531.png

40 ms

wtid.js

wtid.js

84 ms

media_1439474893.png

media_1439474893.png

18 ms

media_1150068959.png

media_1150068959.png

17 ms

media_1554856833.png

media_1554856833.png

17 ms

media_1016202461.jpg

media_1016202461.jpg

18 ms

media_1663733245.jpg

media_1663733245.jpg

267 ms

media_465350165.jpg

media_465350165.jpg

83 ms

media_890010970.png

media_890010970.png

19 ms

media_1054800419.png

media_1054800419.png

19 ms

media_1926780307.png

media_1926780307.png

18 ms

media_91529991.png

media_91529991.png

25 ms

media_1597923581.jpg

media_1597923581.jpg

28 ms

media_553242826.jpg

media_553242826.jpg

29 ms

media_789050645.jpg

media_789050645.jpg

80 ms

media_1781970716.png

media_1781970716.png

34 ms

media_1520164890.jpg

media_1520164890.jpg

79 ms

media_38724111.png

media_38724111.png

79 ms

media_284326011.jpg

media_284326011.jpg

82 ms

media_354706892.png

media_354706892.png

82 ms

media_719846018.png

media_719846018.png

82 ms

media_1849254079.png

media_1849254079.png

83 ms

media_1417445009.png

media_1417445009.png

84 ms

media_1275988351.png

media_1275988351.png

82 ms

media_1887810050.png

media_1887810050.png

85 ms

media_133062897.png

media_133062897.png

84 ms

star_alliance_logo_retina.png

star_alliance_logo_retina.png

84 ms

HelveticaDLHW01-Light.woff

HelveticaDLHW01-Light.woff

177 ms

lh-iconfont.woff

lh-iconfont.woff

176 ms

HelveticaDLHW01-Medium.woff

HelveticaDLHW01-Medium.woff

177 ms

hmedyn.js

hmedyn.js

175 ms

utag.38.js

utag.38.js

172 ms

utag.55.js

utag.55.js

170 ms

utag.105.js

utag.105.js

169 ms

utag.126.js

utag.126.js

170 ms

CBReplace

CBReplace

353 ms

prefill

prefill

137 ms

loader.gif

loader.gif

63 ms

wtid.js

wtid.js

46 ms

24 ms

activityi;src=1016557;type=221692s;cat=retarget;u11=Homepage;u13=no;u17=LH;ord=8861313890665.77

activityi;src=1016557;type=221692s;cat=retarget;u11=Homepage;u13=no;u17=LH;ord=8861313890665.77

42 ms

r.rfa

r.rfa

178 ms

21 ms

a13c2aa2e614.js

a13c2aa2e614.js

16 ms

dcs.gif

dcs.gif

46 ms

Accessibility Review

lufthansa.fr accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

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

Links do not have a discernible name

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

lufthansa.fr 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

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

lufthansa.fr SEO score

92

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

High

Tap targets are not sized appropriately

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 Lufthansa.fr 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 Lufthansa.fr 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

lufthansa.fr

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