Tools & Wizards About Us
delederray.ch screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

delederray.ch

Accueil E. Delederray Toitures SA, ferblanterie couverture

Page Load Speed

4.1 sec in total

First Response

406 ms

Resources Loaded

3.4 sec

Page Rendered

273 ms

delederray.ch screenshot

About Website

Welcome to delederray.ch homepage info - get ready to check Delederray best content right away, or after learning these important things about delederray.ch

Rénovation, construction nouvelle, entretien de toiture… E. Deléderray Toiture SA s’engage à fournir un travail de qualité.

Visit delederray.ch

Key Findings

We analyzed Delederray.ch page load time and found that the first response time was 406 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

delederray.ch performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

delederray.ch

406 ms

www.delederray.ch

574 ms

css

208 ms

jquery.min.js

322 ms

admin.min.js

381 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 89% of them (58 requests) were addressed to the original Delederray.ch, 5% (3 requests) were made to Use.typekit.net and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Delederray.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.2 kB (7%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delederray.ch main page is 1.5 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.9 kB

  • Original 14.7 kB
  • After minification 12.3 kB
  • After compression 3.8 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 2.4 kB, which is 17% 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 10.9 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 15.8 kB

  • Original 1.3 MB
  • After minification 1.2 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. Delederray images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 14.2 kB

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 52.9 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 14.2 kB or 21% of the original size.

CSS Optimization

-33%

Potential reduce by 62.4 kB

  • Original 186.5 kB
  • After minification 185.7 kB
  • After compression 124.1 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. Delederray.ch needs all CSS files to be minified and compressed as it can save up to 62.4 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (70%)

Requests Now

60

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delederray. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delederray.ch

delederray.ch

406 ms

www.delederray.ch

www.delederray.ch

574 ms

css

css

208 ms

jquery.min.js

jquery.min.js

322 ms

admin.min.js

admin.min.js

381 ms

modernizr

modernizr

399 ms

bootstrap

bootstrap

417 ms

jqueryui

jqueryui

581 ms

jquery.unobtrusive-ajax.min.js

jquery.unobtrusive-ajax.min.js

389 ms

js

js

61 ms

jqueryval

jqueryval

440 ms

toolbars.css

toolbars.css

475 ms

slick.css

slick.css

485 ms

krg4bmp.js

krg4bmp.js

125 ms

kendo.common-bootstrap.min.css

kendo.common-bootstrap.min.css

648 ms

kendo.mobile.all.min.css

kendo.mobile.all.min.css

657 ms

kendo.dataviz.min.css

kendo.dataviz.min.css

535 ms

kendo.bootstrap.min.css

kendo.bootstrap.min.css

597 ms

kendo.dataviz.bootstrap.min.css

kendo.dataviz.bootstrap.min.css

597 ms

all.css

all.css

656 ms

lightbox.css

lightbox.css

677 ms

style.css

style.css

680 ms

owl.carousel.min.css

owl.carousel.min.css

680 ms

jquery.wxprt.min.js

jquery.wxprt.min.js

724 ms

owl.carousel.min.js

owl.carousel.min.js

733 ms

lightbox.min.js

lightbox.min.js

732 ms

embed

embed

221 ms

logo.png

logo.png

182 ms

showMenu.svg

showMenu.svg

183 ms

menu-hover.png

menu-hover.png

185 ms

Amir3.jpg

Amir3.jpg

1869 ms

home1.jpg

home1.jpg

240 ms

home2.jpg

home2.jpg

239 ms

home3.2.jpg

home3.2.jpg

370 ms

home4.2.jpg

home4.2.jpg

372 ms

home5.2.jpg

home5.2.jpg

375 ms

home6.jpg

home6.jpg

339 ms

base.css

base.css

280 ms

theme.css

theme.css

380 ms

d

d

3 ms

d

d

6 ms

p.gif

p.gif

20 ms

js

js

57 ms

core.css

core.css

99 ms

accordion.css

accordion.css

131 ms

autocomplete.css

autocomplete.css

128 ms

button.css

button.css

133 ms

datepicker.css

datepicker.css

199 ms

dialog.css

dialog.css

199 ms

draggable.css

draggable.css

223 ms

menu.css

menu.css

230 ms

progressbar.css

progressbar.css

232 ms

resizable.css

resizable.css

297 ms

selectable.css

selectable.css

295 ms

selectmenu.css

selectmenu.css

323 ms

sortable.css

sortable.css

327 ms

slider.css

slider.css

332 ms

spinner.css

spinner.css

396 ms

tabs.css

tabs.css

396 ms

tooltip.css

tooltip.css

419 ms

close.png

close.png

102 ms

loading.gif

loading.gif

103 ms

prev.png

prev.png

105 ms

next.png

next.png

109 ms

kendoui.woff

kendoui.woff

189 ms

Accessibility Review

delederray.ch accessibility score

78

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.

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

delederray.ch best practices score

83

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

Page has valid source maps

SEO Factors

delederray.ch SEO score

92

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

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 Delederray.ch 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 Delederray.ch 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

delederray.ch

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