2.9 sec in total
31 ms
2.4 sec
475 ms
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Visit lufthansa.chWe analyzed Lufthansa.ch page load time and found that the first response time was 31 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
lufthansa.ch performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value20.1 s
0/100
25%
Value7.5 s
26/100
10%
Value5,350 ms
0/100
30%
Value0.011
100/100
15%
Value22.8 s
1/100
10%
31 ms
202 ms
470 ms
11 ms
21 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Lufthansa.ch, 67% (46 requests) were made to Lufthansa.com and 7% (5 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (470 ms) relates to the external source Lufthansa.com.
Page size can be reduced by 1.7 MB (41%)
4.1 MB
2.4 MB
In fact, the total size of Lufthansa.ch main page is 4.1 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 2.2 MB which makes up the majority of the site volume.
Potential reduce by 147.3 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 147.3 kB or 85% of the original size.
Potential reduce by 269.0 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. Obviously, Lufthansa needs image optimization as it can save up to 269.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 725.4 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 725.4 kB or 70% of the original size.
Potential reduce by 550.6 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. Lufthansa.ch needs all CSS files to be minified and compressed as it can save up to 550.6 kB or 79% of the original size.
Number of requests can be reduced by 28 (43%)
65
37
The browser has sent 65 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 24 to 1 for JavaScripts and as a result speed up the page load time.
lufthansa.ch
31 ms
www.lufthansa.ch
202 ms
homepage
470 ms
utag.js
11 ms
dlh-helvetica-w01.css
21 ms
lh_style.css
82 ms
vendor.min.js
32 ms
lh_jquery.min.js
187 ms
dojo.js
30 ms
lh_full.js
31 ms
mmcore.js
42 ms
lh_flm.min.js
51 ms
main.js
22 ms
main.js
22 ms
main.js
22 ms
wtedyn.js
76 ms
64 ms
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425 ms
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420 ms
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45 ms
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46 ms
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70 ms
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417 ms
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90 ms
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106 ms
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415 ms
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422 ms
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424 ms
star_alliance_logo_retina.png
424 ms
lh-iconfont.woff
395 ms
HelveticaDLHW01-Light.woff
356 ms
HelveticaDLHW01-Medium.woff
338 ms
wtid.js
47 ms
hmedyn.js
275 ms
utag.38.js
260 ms
utag.55.js
261 ms
utag.105.js
260 ms
utag.126.js
260 ms
CBReplace
258 ms
prefill
151 ms
loader.gif
74 ms
52 ms
activityi;src=1016557;type=125306s;cat=retarget;u11=Homepage;u13=no;u17=LH;ord=7489413768053.055
52 ms
r.rfa
187 ms
wtid.js
74 ms
43 ms
activity
227 ms
pi.js
299 ms
a13c2aa2e614.js
24 ms
dcs.gif
47 ms
ps
11 ms
demconf.jpg
3 ms
ADTECH;cfp=1;rndc=1458475929;loc=100;target=_blank;key=key1+key2+key3+key4;grp=745;misc=1458475929720
104 ms
Ad13798728St1Sz16Sq109246699V0Id1.gif
65 ms
pi.aspx
226 ms
lufthansa.ch accessibility score
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
[aria-*] attributes do not match their roles
[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
Buttons do not have an accessible name
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
lufthansa.ch best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
lufthansa.ch SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lufthansa.ch 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.ch 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.
lufthansa.ch
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: