Tools & Wizards About Us
delta-neu.fr screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

delta-neu.fr

NEU-JKF Delta NEU | Traitement de l'air et filtration industrielle

Page Load Speed

6.8 sec in total

First Response

858 ms

Resources Loaded

5.4 sec

Page Rendered

542 ms

delta-neu.fr screenshot

About Website

Click here to check amazing Delta NEU content. Otherwise, check out these important facts you probably never knew about delta-neu.fr

NEU-JKF Delta NEU expert dans le captage et le traitement de l'air dans le milieu industriel

Visit delta-neu.fr

Key Findings

We analyzed Delta-neu.fr page load time and found that the first response time was 858 ms and then it took 5.9 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

delta-neu.fr performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value41.9 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value3,580 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

fr

858 ms

neu-css

262 ms

VisitorIdentification.js

359 ms

api.js

34 ms

neu-js-bottom

879 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Delta-neu.fr, 33% (25 requests) were made to Neujkf-deltaneu.com and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source P-cdn-sfpi.azureedge.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 431.6 kB (2%)

Content Size

19.2 MB

After Optimization

18.7 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Delta-neu.fr main page is 19.2 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. 55% of websites need less resources to load. Images take 18.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 91.7 kB

  • Original 108.2 kB
  • After minification 89.2 kB
  • After compression 16.5 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 19.0 kB, which is 18% 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 91.7 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 321.9 kB

  • Original 18.8 MB
  • After minification 18.4 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. Delta NEU images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 18.1 kB

  • Original 281.1 kB
  • After minification 281.1 kB
  • After compression 263.1 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.

Requests Breakdown

Number of requests can be reduced by 16 (23%)

Requests Now

69

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta NEU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

fr

fr

858 ms

neu-css

neu-css

262 ms

VisitorIdentification.js

VisitorIdentification.js

359 ms

api.js

api.js

34 ms

neu-js-bottom

neu-js-bottom

879 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

547 ms

jquery.validate.min.js

jquery.validate.min.js

466 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

463 ms

jquery.unobtrusive-ajax.min.js

jquery.unobtrusive-ajax.min.js

463 ms

form.validate.js

form.validate.js

465 ms

form.tracking.js

form.tracking.js

570 ms

form.conditions.js

form.conditions.js

579 ms

formsextensions.ajax.js

formsextensions.ajax.js

563 ms

formsextensions.validate.js

formsextensions.validate.js

568 ms

Logo-dn.png

Logo-dn.png

469 ms

Industries.png

Industries.png

106 ms

Food_industrie.png

Food_industrie.png

108 ms

Wood_industrie.png

Wood_industrie.png

111 ms

Chemical_industrie.png

Chemical_industrie.png

663 ms

Construction_industrie.png

Construction_industrie.png

513 ms

Iron_industrie.png

Iron_industrie.png

111 ms

Minerals_industrie.png

Minerals_industrie.png

113 ms

Nuclear_industrie.png

Nuclear_industrie.png

124 ms

Paper_industrie.png

Paper_industrie.png

661 ms

Plastic_industirie.png

Plastic_industirie.png

116 ms

Recycling_industrie.png

Recycling_industrie.png

124 ms

Transport_industrie.png

Transport_industrie.png

514 ms

Glass_industrie.png

Glass_industrie.png

126 ms

All_solutions.png

All_solutions.png

132 ms

Aspiration_centralisee.png

Aspiration_centralisee.png

180 ms

Aspiration_dechets.png

Aspiration_dechets.png

662 ms

Aspiration_portatif.png

Aspiration_portatif.png

487 ms

Depoussierage.png

Depoussierage.png

880 ms

Filtration.png

Filtration.png

866 ms

Rafraichissement.png

Rafraichissement.png

864 ms

Ventilation.png

Ventilation.png

996 ms

Ventilation_Poste.png

Ventilation_Poste.png

995 ms

hero-hp.jpg

hero-hp.jpg

1368 ms

bureaux-1.jpg

bureaux-1.jpg

1563 ms

1659075773562.jpg

1659075773562.jpg

1496 ms

icone-plaquette.png

icone-plaquette.png

1263 ms

icone-plaquette.png

icone-plaquette.png

1273 ms

Indena.jpg

Indena.jpg

1703 ms

iot4.png

iot4.png

3132 ms

iot3.png

iot3.png

1648 ms

iot2.png

iot2.png

2323 ms

iot1.png

iot1.png

2641 ms

Obut3.png

Obut3.png

2956 ms

Member-of-la-french-fab_white.png

Member-of-la-french-fab_white.png

1989 ms

container_HaB7rcKh.js

container_HaB7rcKh.js

111 ms

fr.svg

fr.svg

252 ms

fr

fr

417 ms

Dpoussirage.png

Dpoussirage.png

2184 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

370 ms

Montserrat-Medium.woff

Montserrat-Medium.woff

394 ms

Montserrat-Light.woff

Montserrat-Light.woff

395 ms

Montserrat-ExtraBold.woff

Montserrat-ExtraBold.woff

567 ms

icomoon.ttf

icomoon.ttf

566 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

567 ms

recaptcha__fr.js

recaptcha__fr.js

41 ms

Ventilation.png

Ventilation.png

2365 ms

Ventilation-sur-poste-de-travail.png

Ventilation-sur-poste-de-travail.png

2584 ms

Filtration.png

Filtration.png

2701 ms

Aspiration-des-dchets-de-production.png

Aspiration-des-dchets-de-production.png

2790 ms

Rafraichissement-de-lair.png

Rafraichissement-de-lair.png

3037 ms

Aspiration-centralise.png

Aspiration-centralise.png

3083 ms

Aspiration-sur-outils-portatifs.png

Aspiration-sur-outils-portatifs.png

3152 ms

all

all

148 ms

dom.lightbox.js

dom.lightbox.js

164 ms

dom.fillouttheformwffm.js

dom.fillouttheformwffm.js

157 ms

dom.callmebackwffm.js

dom.callmebackwffm.js

156 ms

Chimie-Cards4.jpg

Chimie-Cards4.jpg

2546 ms

Food-cards4.jpg

Food-cards4.jpg

2774 ms

Metal-cards4.jpg

Metal-cards4.jpg

2714 ms

wood-card4.jpg

wood-card4.jpg

2937 ms

Ventilation-Rafraichie.png

Ventilation-Rafraichie.png

2351 ms

Accessibility Review

delta-neu.fr accessibility score

88

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

delta-neu.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

delta-neu.fr SEO score

85

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

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

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 Delta-neu.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 Delta-neu.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

delta-neu.fr

Open Graph data is detected on the main page of Delta NEU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: