Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

archi.lu

home - Boito Architectes

Page Load Speed

54.1 sec in total

First Response

2.2 sec

Resources Loaded

6.6 sec

Page Rendered

45.3 sec

archi.lu screenshot

About Website

Welcome to archi.lu homepage info - get ready to check Archi best content right away, or after learning these important things about archi.lu

Visit archi.lu

Key Findings

We analyzed Archi.lu page load time and found that the first response time was 2.2 sec and then it took 51.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

archi.lu performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value13.7 s

1/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.205

60/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

www.archi.lu

2186 ms

pagenavi-css.css

254 ms

css

30 ms

css

21 ms

script.min.js

258 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 66% of them (104 requests) were addressed to the original Archi.lu, 14% (22 requests) were made to Fonts.gstatic.com and 5% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Archi.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 846.5 kB (4%)

Content Size

23.2 MB

After Optimization

22.3 MB

In fact, the total size of Archi.lu main page is 23.2 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. Only a small number of websites need less resources to load. Images take 21.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 261.4 kB

  • Original 304.1 kB
  • After minification 296.9 kB
  • After compression 42.7 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 261.4 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 248.7 kB

  • Original 21.9 MB
  • After minification 21.7 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. Archi images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 336.2 kB

  • Original 865.8 kB
  • After minification 865.8 kB
  • After compression 529.6 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 336.2 kB or 39% of the original size.

CSS Optimization

-0%

Potential reduce by 149 B

  • Original 100.8 kB
  • After minification 100.8 kB
  • After compression 100.6 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. Archi.lu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (22%)

Requests Now

131

After Optimization

102

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

archi.lu accessibility score

89

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

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

archi.lu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

archi.lu SEO score

93

Search Engine Optimization Advices

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Archi.lu can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Archi.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 Archi. 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: