Tools & Wizards About Us
luxair.lu screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 70% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

luxair.lu

Luxair: Official Site – Book Direct Flights to 90+ Destinations from 89€

Page Load Speed

3.8 sec in total

First Response

379 ms

Resources Loaded

3.3 sec

Page Rendered

177 ms

luxair.lu screenshot

About Website

Welcome to luxair.lu homepage info - get ready to check Luxair best content for Germany right away, or after learning these important things about luxair.lu

Discover more than 90 destinations from/to Luxembourg from only 89€! Recommendation: Fly SMART, our new standard all-included fare. Enjoy more value, choice & flexibility – book always the best offers...

Visit luxair.lu

Key Findings

We analyzed Luxair.lu page load time and found that the first response time was 379 ms and then it took 3.5 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

luxair.lu performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value25.8 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value8,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.224

56/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

luxair.lu

379 ms

www.luxair.lu

297 ms

luxair.php

149 ms

1_usr_cus_style.css

104 ms

cm_js_viewuser.js

188 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 94% of them (130 requests) were addressed to the original Luxair.lu, 2% (3 requests) were made to Stats.g.doubleclick.net and 1% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Luxair.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 571.9 kB (33%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luxair.lu 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. 50% of websites need less resources to load. Images take 974.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 85.5 kB

  • Original 103.1 kB
  • After minification 86.1 kB
  • After compression 17.6 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 17.0 kB, which is 16% 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 85.5 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 39.1 kB

  • Original 974.7 kB
  • After minification 935.6 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. Luxair images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 360.2 kB

  • Original 530.5 kB
  • After minification 515.5 kB
  • After compression 170.4 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 360.2 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 87.0 kB

  • Original 107.7 kB
  • After minification 95.8 kB
  • After compression 20.6 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. Luxair.lu needs all CSS files to be minified and compressed as it can save up to 87.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (68%)

Requests Now

134

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luxair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luxair.lu

luxair.lu

379 ms

www.luxair.lu

www.luxair.lu

297 ms

luxair.php

luxair.php

149 ms

1_usr_cus_style.css

1_usr_cus_style.css

104 ms

cm_js_viewuser.js

cm_js_viewuser.js

188 ms

cm_js_div_functions.js

cm_js_div_functions.js

191 ms

101_usr_style.css

101_usr_style.css

190 ms

54_usr_style.css

54_usr_style.css

199 ms

55_usr_style.css

55_usr_style.css

199 ms

56_usr_style.css

56_usr_style.css

200 ms

57_usr_style.css

57_usr_style.css

277 ms

63_usr_style.css

63_usr_style.css

281 ms

67_usr_style.css

67_usr_style.css

282 ms

75_usr_style.css

75_usr_style.css

285 ms

77_usr_style.css

77_usr_style.css

290 ms

jquery.js

jquery.js

398 ms

jquery-ui.js

jquery-ui.js

577 ms

jquery.qtip.min.js

jquery.qtip.min.js

379 ms

menu.js

menu.js

377 ms

popup.js

popup.js

379 ms

jquery.cookie.js

jquery.cookie.js

386 ms

jquery.form.js

jquery.form.js

473 ms

form.js

form.js

471 ms

jquery.url.js

jquery.url.js

474 ms

api-manager.js

api-manager.js

483 ms

luxair-api-manager.js

luxair-api-manager.js

492 ms

luxairtours-api-manager.js

luxairtours-api-manager.js

562 ms

superfish.js

superfish.js

569 ms

jquery-ui.css

jquery-ui.css

571 ms

jquery.qtip.min.css

jquery.qtip.min.css

608 ms

134_usr_style.css

134_usr_style.css

608 ms

global.js

global.js

654 ms

analytics.js

analytics.js

660 ms

jquery.smartinput.min.css

jquery.smartinput.min.css

672 ms

underscore.1.5.2.min.js

underscore.1.5.2.min.js

674 ms

moment.2.1.0.min.js

moment.2.1.0.min.js

688 ms

date.js

date.js

689 ms

date_en.js

date_en.js

749 ms

util.js

util.js

751 ms

luxairtours-routes-api-manager.js

luxairtours-routes-api-manager.js

669 ms

luxairtours-occupancies-api-manager.js

luxairtours-occupancies-api-manager.js

583 ms

fbds.js

fbds.js

137 ms

luxairtours-durations-api-manager.js

luxairtours-durations-api-manager.js

592 ms

routes-api-manager.js

routes-api-manager.js

629 ms

calendar-api-manager.js

calendar-api-manager.js

653 ms

myLuxair-api-manager.js

myLuxair-api-manager.js

660 ms

countries-api-manager.js

countries-api-manager.js

661 ms

jquery.smartinput.min.js

jquery.smartinput.min.js

587 ms

bookingform.js

bookingform.js

607 ms

carRentalForm.js

carRentalForm.js

610 ms

AC_OETags.js

AC_OETags.js

659 ms

swfobject.js

swfobject.js

664 ms

107 ms

slider.js

slider.js

574 ms

en.png

en.png

293 ms

de.png

de.png

465 ms

fr.png

fr.png

466 ms

icon_lg.png

icon_lg.png

467 ms

icon_lgit.png

icon_lgit.png

469 ms

icon_car.png

icon_car.png

469 ms

icon_beach.png

icon_beach.png

470 ms

icon_city.png

icon_city.png

471 ms

81753_EN_50909-LUXR-ROLLING_BANNER_PRAGUE_620x220-EN-R1.jpg

81753_EN_50909-LUXR-ROLLING_BANNER_PRAGUE_620x220-EN-R1.jpg

609 ms

75524_EN_16-01-06_-_LGIT_-_Hiver_moment_de_penser_a__e_te__-_RB_-_EN-v4.jpg

75524_EN_16-01-06_-_LGIT_-_Hiver_moment_de_penser_a__e_te__-_RB_-_EN-v4.jpg

549 ms

71242_EN_RB-viva-espana-EN.jpg

71242_EN_RB-viva-espana-EN.jpg

476 ms

76343_EN_RB-bella-italia-EN.jpg

76343_EN_RB-bella-italia-EN.jpg

562 ms

54904_EN_lu.london.en.jpg

54904_EN_lu.london.en.jpg

657 ms

65685_EN_15-03-10_-_Luxair_-_APP_-_rolling_banner_lu_EN.jpg

65685_EN_15-03-10_-_Luxair_-_APP_-_rolling_banner_lu_EN.jpg

603 ms

72851_EN_vignette_manage.jpg

72851_EN_vignette_manage.jpg

557 ms

67909_EN_vignette-cart.jpg

67909_EN_vignette-cart.jpg

642 ms

gtm.js

gtm.js

64 ms

51188_EN_vignette_vols_secs.jpg

51188_EN_vignette_vols_secs.jpg

642 ms

66787_EN_vignette-fidelity.jpg

66787_EN_vignette-fidelity.jpg

645 ms

51986_EN_homeSmall_LGIT_FlightsOnly.jpg

51986_EN_homeSmall_LGIT_FlightsOnly.jpg

677 ms

81843_EN_vignette-AGP-playa-estepona-2.jpg

81843_EN_vignette-AGP-playa-estepona-2.jpg

678 ms

52987_EN_vignette_islande.jpg

52987_EN_vignette_islande.jpg

704 ms

dc.js

dc.js

30 ms

81704_EN_15-02-04-Vignettes_paques-2.jpg

81704_EN_15-02-04-Vignettes_paques-2.jpg

654 ms

47428_EN_LastMinute.jpg

47428_EN_LastMinute.jpg

660 ms

47974_EN_v_home-MM_Crossborders.gif

47974_EN_v_home-MM_Crossborders.gif

659 ms

47075_EN_meridien_hotel.jpg

47075_EN_meridien_hotel.jpg

705 ms

47108_EN_vignette_Metropolis_Winter_2015.jpg

47108_EN_vignette_Metropolis_Winter_2015.jpg

691 ms

__utm.gif

__utm.gif

14 ms

__utm.gif

__utm.gif

15 ms

ga-audiences

ga-audiences

36 ms

84416_EN_apple_EN.png

84416_EN_apple_EN.png

676 ms

ga-audiences

ga-audiences

31 ms

84420_EN_google_EN.png

84420_EN_google_EN.png

657 ms

luxair_background.jpg

luxair_background.jpg

661 ms

dropdown_button.gif

dropdown_button.gif

660 ms

header_logo_ende.gif

header_logo_ende.gif

709 ms

icon_faq.png

icon_faq.png

689 ms

header_help.gif

header_help.gif

695 ms

menu_selected_left.gif

menu_selected_left.gif

655 ms

menu_selected_mid.gif

menu_selected_mid.gif

653 ms

menu_selected_right.gif

menu_selected_right.gif

653 ms

routes

routes

606 ms

%3Ftype%3Dsun-and-beach

%3Ftype%3Dsun-and-beach

598 ms

%3Ftype%3Dsun-and-beach%26destinations%3Dtrue

%3Ftype%3Dsun-and-beach%26destinations%3Dtrue

1017 ms

%3Ftype%3Dsun-and-beach

%3Ftype%3Dsun-and-beach

667 ms

692 ms

menu-bottom.png

menu-bottom.png

581 ms

tours_yellow.gif

tours_yellow.gif

660 ms

arrow-down.png

arrow-down.png

658 ms

cal-icon.png

cal-icon.png

688 ms

transparent.gif

transparent.gif

684 ms

lg-book-button.png

lg-book-button.png

671 ms

white_play.png

white_play.png

667 ms

quickLinks_arrDep.gif

quickLinks_arrDep.gif

651 ms

quickLinks_timetable.gif

quickLinks_timetable.gif

650 ms

quickLinks_checkin.gif

quickLinks_checkin.gif

677 ms

quickLinks_manage.gif

quickLinks_manage.gif

671 ms

quickLinks_mobile.gif

quickLinks_mobile.gif

670 ms

quickLinks_car.gif

quickLinks_car.gif

691 ms

quickLinks_contact.gif

quickLinks_contact.gif

654 ms

quickLinks_mmb.jpg

quickLinks_mmb.jpg

704 ms

rightArrowBulletBlue.png

rightArrowBulletBlue.png

679 ms

warning_background.jpg

warning_background.jpg

681 ms

luxair_logo_small.gif

luxair_logo_small.gif

689 ms

offer_background.jpg

offer_background.jpg

701 ms

lg_link_bullet.png

lg_link_bullet.png

704 ms

luxairtours_logo_small.gif

luxairtours_logo_small.gif

706 ms

lgit_link_bullet.png

lgit_link_bullet.png

695 ms

icon_facebook_27x27.png

icon_facebook_27x27.png

703 ms

icon_twitter_27x27.png

icon_twitter_27x27.png

706 ms

icon_youtube_27x27.png

icon_youtube_27x27.png

729 ms

icon_mobil_27x27.png

icon_mobil_27x27.png

696 ms

Luxair_Logo_130x45.png

Luxair_Logo_130x45.png

699 ms

logos.png

logos.png

698 ms

luxairtours_popup_background.png

luxairtours_popup_background.png

796 ms

menu_bottom_border.gif

menu_bottom_border.gif

710 ms

menu_selected_left_plane.gif

menu_selected_left_plane.gif

729 ms

menu_selected_mid_plane.gif

menu_selected_mid_plane.gif

641 ms

menu_selected_right_plane.gif

menu_selected_right_plane.gif

649 ms

ajax-loader.gif

ajax-loader.gif

655 ms

select-arrow.png

select-arrow.png

623 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

632 ms

active_slider_bg.png

active_slider_bg.png

644 ms

21 ms

Accessibility Review

luxair.lu accessibility score

88

Accessibility Issues

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

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

Links do not have a discernible name

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

luxair.lu best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

luxair.lu SEO score

86

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

luxair.lu

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