Tools & Wizards About Us
luff.ch screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

luff.ch

LUFF | News

Page Load Speed

5.6 sec in total

First Response

441 ms

Resources Loaded

4.5 sec

Page Rendered

584 ms

luff.ch screenshot

About Website

Visit luff.ch now to see the best up-to-date LUFF content for Switzerland and also check out these interesting facts you probably never knew about luff.ch

Visit luff.ch

Key Findings

We analyzed Luff.ch page load time and found that the first response time was 441 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

luff.ch performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

luff.ch

441 ms

css

37 ms

css

50 ms

ui.css

277 ms

gumby.css

282 ms

Our browser made a total of 163 requests to load all elements on the main page. We found that 39% of them (64 requests) were addressed to the original Luff.ch, 12% (20 requests) were made to Scontent.cdninstagram.com and 7% (11 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Luff.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (34%)

Content Size

5.5 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luff.ch main page is 5.5 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 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.2 kB

  • Original 38.6 kB
  • After minification 34.0 kB
  • After compression 8.4 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 12% 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 30.2 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 492.2 kB

  • Original 3.7 MB
  • After minification 3.2 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, LUFF needs image optimization as it can save up to 492.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 793.3 kB

  • Original 1.1 MB
  • After minification 879.3 kB
  • After compression 293.7 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 793.3 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 549.2 kB

  • Original 652.0 kB
  • After minification 599.5 kB
  • After compression 102.8 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. Luff.ch needs all CSS files to be minified and compressed as it can save up to 549.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 80 (52%)

Requests Now

155

After Optimization

75

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LUFF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luff.ch

luff.ch

441 ms

css

css

37 ms

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css

50 ms

ui.css

ui.css

277 ms

gumby.css

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282 ms

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196 ms

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219 ms

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209 ms

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577 ms

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11 ms

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316 ms

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408 ms

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409 ms

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462 ms

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608 ms

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609 ms

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30 ms

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76 ms

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Accessibility Review

luff.ch accessibility score

79

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

Image elements do not have [alt] attributes

Best Practices

luff.ch 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

SEO Factors

luff.ch SEO score

79

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

    FR

  • Encoding

    UTF-8

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

Social Sharing Optimization

luff.ch

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