Tools & Wizards About Us
nacel.fr screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nacel.fr

Nacel : Séjour linguistique, formation & stage linguistique

Page Load Speed

2.8 sec in total

First Response

289 ms

Resources Loaded

2.2 sec

Page Rendered

278 ms

nacel.fr screenshot

About Website

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

Organisme de voyages linguistiques. Nacel propose des séjours linguistiques à l'étranger : Angleterre, USA… Formation linguistique et stage de qualité !

Visit nacel.fr

Key Findings

We analyzed Nacel.fr page load time and found that the first response time was 289 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nacel.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value19.4 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,330 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value19.5 s

3/100

10%

Network Requests Diagram

nacel.fr

289 ms

www.nacel.fr

475 ms

libs.min.css

101 ms

nacel.css

168 ms

libs.min.js

494 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 84% of them (42 requests) were addressed to the original Nacel.fr, 6% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (730 ms) belongs to the original domain Nacel.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.8 kB (15%)

Content Size

963.1 kB

After Optimization

815.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nacel.fr main page is 963.1 kB. 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 825.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.6 kB

  • Original 63.1 kB
  • After minification 60.4 kB
  • After compression 13.6 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 49.6 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 66.2 kB

  • Original 825.8 kB
  • After minification 759.6 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. Nacel images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 32.0 kB

  • Original 74.2 kB
  • After minification 74.2 kB
  • After compression 42.2 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 32.0 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (22%)

Requests Now

46

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nacel. 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

nacel.fr

nacel.fr

289 ms

www.nacel.fr

www.nacel.fr

475 ms

libs.min.css

libs.min.css

101 ms

nacel.css

nacel.css

168 ms

libs.min.js

libs.min.js

494 ms

main.js

main.js

180 ms

conversion.js

conversion.js

15 ms

analytics.js

analytics.js

15 ms

glyphicons-halflings-white.png

glyphicons-halflings-white.png

107 ms

bg_logo.png

bg_logo.png

106 ms

logo-nacel.png

logo-nacel.png

105 ms

logo-goandlive2.png

logo-goandlive2.png

106 ms

bg_menuH.png

bg_menuH.png

201 ms

bg_moteurV.png

bg_moteurV.png

193 ms

bg_btSubmit.png

bg_btSubmit.png

195 ms

02C00571.jpg

02C00571.jpg

185 ms

PhotoGrosPlan.jpg

PhotoGrosPlan.jpg

185 ms

BASKET-USA-NACEL.jpg

BASKET-USA-NACEL.jpg

277 ms

Londres-westminster-347971_1920.JPG

Londres-westminster-347971_1920.JPG

267 ms

Statue-de-la-Liberte-New-York.jpg

Statue-de-la-Liberte-New-York.jpg

266 ms

Montreal---City-in-the-Fall.jpg

Montreal---City-in-the-Fall.jpg

364 ms

southampton-BATEAU.JPG

southampton-BATEAU.JPG

282 ms

Nacel-salon-mondail-tourisme.jpg

Nacel-salon-mondail-tourisme.jpg

484 ms

visuel-go-nacel.jpg

visuel-go-nacel.jpg

348 ms

Reportage-AMVIL-TF1-mai-2015-BIS.jpg

Reportage-AMVIL-TF1-mai-2015-BIS.jpg

348 ms

Video-M6-66-minutes-AMVIL.jpg

Video-M6-66-minutes-AMVIL.jpg

365 ms

logo-Keepschool.png

logo-Keepschool.png

370 ms

logo-accueil-en-france.jpg

logo-accueil-en-france.jpg

428 ms

logo-Sports-Elite-Jeunes.png

logo-Sports-Elite-Jeunes.png

428 ms

logo-Nacel-Kdo.png

logo-Nacel-Kdo.png

451 ms

blog-go-and-live.png

blog-go-and-live.png

452 ms

bt_FB.png

bt_FB.png

459 ms

bt_twitter.png

bt_twitter.png

508 ms

bt_google-plus.gif

bt_google-plus.gif

509 ms

linkid.js

linkid.js

22 ms

bg-amvil.jpg

bg-amvil.jpg

588 ms

bg-dif.jpg

bg-dif.jpg

678 ms

bg-se.jpg

bg-se.jpg

687 ms

bg-si.jpg

bg-si.jpg

730 ms

bg_btDecouvrez.png

bg_btDecouvrez.png

550 ms

bg_bottom.png

bg_bottom.png

552 ms

69 ms

collect

collect

6 ms

collect

collect

60 ms

overlay.png

overlay.png

578 ms

border.png

border.png

580 ms

controls.png

controls.png

623 ms

42 ms

ga-audiences

ga-audiences

23 ms

print.css

print.css

93 ms

Accessibility Review

nacel.fr accessibility score

73

Accessibility Issues

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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.

Best Practices

nacel.fr best practices score

77

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nacel.fr SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Nacel.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 Nacel.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

nacel.fr

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