Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nantes.archi.fr

ensa Nantes - école nationale supérieure d'architecture de Nantes

Page Load Speed

7.6 sec in total

First Response

919 ms

Resources Loaded

5.6 sec

Page Rendered

988 ms

About Website

Welcome to nantes.archi.fr homepage info - get ready to check Nantes Archi best content for France right away, or after learning these important things about nantes.archi.fr

L’école nationale supérieure d'architecture de Nantes (ensa Nantes) est un établissement public d'enseignement supérieur et de recherche.

Visit nantes.archi.fr

Key Findings

We analyzed Nantes.archi.fr page load time and found that the first response time was 919 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

nantes.archi.fr performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value22.2 s

0/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

www.nantes.archi.fr

919 ms

style.css

191 ms

owl.theme.default.css

288 ms

owl.carousel.css

384 ms

animate.css

400 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 93% of them (74 requests) were addressed to the original Nantes.archi.fr, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Nantes.archi.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 463.6 kB (5%)

Content Size

9.1 MB

After Optimization

8.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nantes.archi.fr main page is 9.1 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. 55% of websites need less resources to load. Images take 8.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 71.5 kB

  • Original 87.8 kB
  • After minification 86.3 kB
  • After compression 16.3 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 71.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 374.3 kB

  • Original 8.5 MB
  • After minification 8.1 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. Nantes Archi images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.4 kB

  • Original 347.9 kB
  • After minification 347.9 kB
  • After compression 340.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 10.4 kB

  • Original 138.3 kB
  • After minification 138.2 kB
  • After compression 127.9 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. Nantes.archi.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 49 (66%)

Requests Now

74

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nantes 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 30 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nantes.archi.fr accessibility score

85

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.

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

High

Links do not have a discernible name

Best Practices

nantes.archi.fr best practices score

67

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nantes.archi.fr SEO score

90

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nantes.archi.fr 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 Nantes.archi.fr 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 data is detected on the main page of Nantes Archi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: