Tools & Wizards About Us
zilten.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zilten.com

Porte d'entrée Zilten | Fabricant français de portes d'entrée

Page Load Speed

4.6 sec in total

First Response

290 ms

Resources Loaded

4 sec

Page Rendered

295 ms

zilten.com screenshot

About Website

Click here to check amazing Zilten content for France. Otherwise, check out these important facts you probably never knew about zilten.com

Fabricant français de portes d'entrée au design singulier, Zilten vous propose 190 modèles de portes multi-matériaux pour votre maison : Alu, bois, acier, PVC et mixte.

Visit zilten.com

Key Findings

We analyzed Zilten.com page load time and found that the first response time was 290 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

zilten.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.7

7/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

zilten.com

290 ms

www.zilten.com

1363 ms

jcemediabox.css

181 ms

style.css

266 ms

styles.css

483 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 91% of them (86 requests) were addressed to the original Zilten.com, 2% (2 requests) were made to Google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zilten.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 379.5 kB (44%)

Content Size

867.2 kB

After Optimization

487.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zilten.com main page is 867.2 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 382.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 62.5 kB

  • Original 75.6 kB
  • After minification 65.9 kB
  • After compression 13.1 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 9.8 kB, which is 13% 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 62.5 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 17.8 kB

  • Original 382.6 kB
  • After minification 364.9 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. Zilten images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 245.6 kB

  • Original 344.9 kB
  • After minification 307.7 kB
  • After compression 99.3 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 245.6 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 53.7 kB

  • Original 64.0 kB
  • After minification 48.8 kB
  • After compression 10.4 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. Zilten.com needs all CSS files to be minified and compressed as it can save up to 53.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (57%)

Requests Now

93

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zilten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zilten.com

zilten.com

290 ms

www.zilten.com

www.zilten.com

1363 ms

jcemediabox.css

jcemediabox.css

181 ms

style.css

style.css

266 ms

styles.css

styles.css

483 ms

mod_icproduitssearch.css

mod_icproduitssearch.css

290 ms

modal.css

modal.css

203 ms

jcemediabox.js

jcemediabox.js

497 ms

mediaobject.js

mediaobject.js

271 ms

default.js

default.js

303 ms

mootools.js

mootools.js

794 ms

caption.js

caption.js

362 ms

bandeaucookie.js

bandeaucookie.js

385 ms

custom-form-elements.js

custom-form-elements.js

402 ms

mod_icproduitssearch.js

mod_icproduitssearch.js

542 ms

modal.js

modal.js

577 ms

mootools-1.2-more.js

mootools-1.2-more.js

700 ms

slideshow.js

slideshow.js

671 ms

slideshow.kenburns.js

slideshow.kenburns.js

594 ms

icslideanime.js

icslideanime.js

633 ms

jsapi

jsapi

16 ms

jquery-fpss-comp.js

jquery-fpss-comp.js

674 ms

menu51.css

menu51.css

694 ms

transmenu_Packed.js

transmenu_Packed.js

724 ms

p.js

p.js

289 ms

jquery.min.js

jquery.min.js

9 ms

template_css.php

template_css.php

95 ms

bkg-body-accueil.jpg

bkg-body-accueil.jpg

496 ms

searchButton.gif

searchButton.gif

497 ms

portes-zilten-entree-style-envie.jpg

portes-zilten-entree-style-envie.jpg

506 ms

zilten-sur-facebook.jpg

zilten-sur-facebook.jpg

493 ms

zilten-sur-google-plus.jpg

zilten-sur-google-plus.jpg

500 ms

zilten-sur-pinterest.jpg

zilten-sur-pinterest.jpg

499 ms

nativ.jpg

nativ.jpg

502 ms

porte-entree-zilten-slide-serrure-motorisee.jpg

porte-entree-zilten-slide-serrure-motorisee.jpg

522 ms

nativ-accueil.jpg

nativ-accueil.jpg

502 ms

visu-catalogue-accueil.jpg

visu-catalogue-accueil.jpg

513 ms

feuilletez-catalogue-zilten-accueil.jpg

feuilletez-catalogue-zilten-accueil.jpg

505 ms

ou-nous-trouver.jpg

ou-nous-trouver.jpg

509 ms

trouver-revendeur-pres-chez-vous-accueil.jpg

trouver-revendeur-pres-chez-vous-accueil.jpg

510 ms

image.php

image.php

515 ms

voir-portes-entree.png

voir-portes-entree.png

513 ms

porte-zilten-mixte.png

porte-zilten-mixte.png

516 ms

en-savoir-plus-ces-portes.png

en-savoir-plus-ces-portes.png

516 ms

porte-zilten-aluminium.png

porte-zilten-aluminium.png

548 ms

porte-zilten-acier.png

porte-zilten-acier.png

517 ms

porte-zilten-bois.png

porte-zilten-bois.png

552 ms

imagescreations.png

imagescreations.png

517 ms

gtm.js

gtm.js

480 ms

bkg-menu-header.jpg

bkg-menu-header.jpg

537 ms

input_rechercher.png

input_rechercher.png

539 ms

panier-selection-portes-zilten.png

panier-selection-portes-zilten.png

539 ms

menu-separateur.jpg

menu-separateur.jpg

562 ms

futurastd-medium-webfont.woff

futurastd-medium-webfont.woff

659 ms

bkg-porte-mixte.jpg

bkg-porte-mixte.jpg

679 ms

bkg-porte-alu.jpg

bkg-porte-alu.jpg

685 ms

bkg-porte-pvc.png

bkg-porte-pvc.png

596 ms

bkg-porte-acier.jpg

bkg-porte-acier.jpg

602 ms

bkg-porte-bois.jpg

bkg-porte-bois.jpg

611 ms

bkg-porte-nativ.jpg

bkg-porte-nativ.jpg

701 ms

loading_black.gif

loading_black.gif

693 ms

fleche-grise.png

fleche-grise.png

703 ms

puce-verte.png

puce-verte.png

756 ms

onglet-on.png

onglet-on.png

767 ms

index.php

index.php

516 ms

index.php

index.php

516 ms

popup.html

popup.html

344 ms

tooltip.html

tooltip.html

342 ms

onglet-off.png

onglet-off.png

391 ms

30-impots.png

30-impots.png

401 ms

onglet-mixte-on.png

onglet-mixte-on.png

429 ms

onglet-composite-off.png

onglet-composite-off.png

437 ms

onglet-mixte-off.png

onglet-mixte-off.png

483 ms

bkg-slide-mixte.jpg

bkg-slide-mixte.jpg

492 ms

bkg-footer.png

bkg-footer.png

513 ms

icon_close_alt.svg

icon_close_alt.svg

531 ms

conversion_async.js

conversion_async.js

67 ms

analytics.js

analytics.js

13 ms

collect

collect

4 ms

collect

collect

80 ms

56 ms

loader-0.png

loader-0.png

97 ms

loader-1.png

loader-1.png

100 ms

loader-2.png

loader-2.png

104 ms

loader-3.png

loader-3.png

95 ms

loader-4.png

loader-4.png

105 ms

loader-5.png

loader-5.png

102 ms

loader-6.png

loader-6.png

182 ms

loader-7.png

loader-7.png

187 ms

loader-8.png

loader-8.png

196 ms

loader-9.png

loader-9.png

202 ms

loader-10.png

loader-10.png

205 ms

loader-11.png

loader-11.png

206 ms

bkg-select.png

bkg-select.png

270 ms

porte-entree-aluminium-idra-diapo.jpg

porte-entree-aluminium-idra-diapo.jpg

276 ms

Accessibility Review

zilten.com accessibility score

79

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

Best Practices

zilten.com 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

SEO Factors

zilten.com SEO score

100

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zilten.com can be misinterpreted by Google and other search engines. Our service has detected that French 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 Zilten.com 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

zilten.com

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