Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

alfi.lu

ALFI - Homepage

Page Load Speed

2.7 sec in total

First Response

242 ms

Resources Loaded

2.3 sec

Page Rendered

220 ms

About Website

Welcome to alfi.lu homepage info - get ready to check ALFI best content for Luxembourg right away, or after learning these important things about alfi.lu

ALFI

Visit alfi.lu

Key Findings

We analyzed Alfi.lu page load time and found that the first response time was 242 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

alfi.lu performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

alfi.lu

242 ms

www.alfi.lu

427 ms

css_20029fcf83b84a12fb90fbf42ad0966d.css

256 ms

js_f18f2d275da5a4b617bfe838d8c56ffa.js

592 ms

twitter.png

87 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 76% of them (32 requests) were addressed to the original Alfi.lu, 10% (4 requests) were made to F.vimeocdn.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (976 ms) belongs to the original domain Alfi.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 624.9 kB (47%)

Content Size

1.3 MB

After Optimization

693.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alfi.lu main page is 1.3 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. 40% of websites need less resources to load. Images take 534.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 21.2 kB

  • Original 28.7 kB
  • After minification 27.7 kB
  • After compression 7.6 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. 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 21.2 kB or 74% of the original size.

Image Optimization

-10%

Potential reduce by 51.4 kB

  • Original 534.8 kB
  • After minification 483.4 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. ALFI images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 364.2 kB

  • Original 533.1 kB
  • After minification 498.8 kB
  • After compression 168.9 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 364.2 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 188.1 kB

  • Original 221.4 kB
  • After minification 219.0 kB
  • After compression 33.3 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. Alfi.lu needs all CSS files to be minified and compressed as it can save up to 188.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (10%)

Requests Now

40

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALFI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

alfi.lu accessibility score

81

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

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.

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 IDs are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

alfi.lu 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

alfi.lu SEO score

77

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

High

Page is blocked from indexing

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

    N/A

  • Encoding

    UTF-8

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

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