Tools & Wizards About Us
paradelta.ch screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

paradelta.ch

Ecole de Parapente de Genève | Vol Biplace | Tandem Flight | Club | Suisse

Page Load Speed

10.1 sec in total

First Response

439 ms

Resources Loaded

8.9 sec

Page Rendered

776 ms

paradelta.ch screenshot

About Website

Welcome to paradelta.ch homepage info - get ready to check Para De Lta best content for France right away, or after learning these important things about paradelta.ch

Vols biplace tandem et Brevet de Pilotes sont nos spécialités depuis plus de 40 ans! . Grâce à son terrain d’atterrissage unique à Genève, notre Ecole de parapente et notre Centrale de vols biplace & ...

Visit paradelta.ch

Key Findings

We analyzed Paradelta.ch page load time and found that the first response time was 439 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

paradelta.ch performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.6 s

0/100

25%

SI (Speed Index)

Value20.9 s

0/100

10%

TBT (Total Blocking Time)

Value4,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value47.7 s

0/100

10%

Network Requests Diagram

www.paradelta.ch

439 ms

wp-emoji-release.min.js

161 ms

kpicasa_gallery.css

195 ms

jquery.fancybox.css

195 ms

dashicons.min.css

294 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 69% of them (120 requests) were addressed to the original Paradelta.ch, 7% (12 requests) were made to Fonts.gstatic.com and 6% (11 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Paradelta.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.8 kB (3%)

Content Size

5.1 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Paradelta.ch main page is 5.1 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. Only a small number of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 138.0 kB

  • Original 163.6 kB
  • After minification 154.1 kB
  • After compression 25.6 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 138.0 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 6.4 kB

  • Original 3.9 MB
  • After minification 3.9 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. Para De Lta images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 15.5 kB

  • Original 830.3 kB
  • After minification 830.3 kB
  • After compression 814.7 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

-6%

Potential reduce by 15.8 kB

  • Original 246.1 kB
  • After minification 246.1 kB
  • After compression 230.3 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. Paradelta.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 108 (73%)

Requests Now

148

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Para De Lta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 65 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.paradelta.ch

www.paradelta.ch

439 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

161 ms

kpicasa_gallery.css

kpicasa_gallery.css

195 ms

jquery.fancybox.css

jquery.fancybox.css

195 ms

dashicons.min.css

dashicons.min.css

294 ms

jquery-ui-dialog.min.css

jquery-ui-dialog.min.css

197 ms

cache.skin.css

cache.skin.css

200 ms

front.css

front.css

260 ms

styles.css

styles.css

292 ms

foobox.free.min.css

foobox.free.min.css

294 ms

settings.css

settings.css

296 ms

styles.css

styles.css

298 ms

icomoon.css

icomoon.css

360 ms

font-awesome.css

font-awesome.css

389 ms

style.css

style.css

391 ms

style.css

style.css

392 ms

font-awesome.css

font-awesome.css

395 ms

style.basic.css

style.basic.css

396 ms

style-simple-grey.css

style-simple-grey.css

460 ms

front.css

front.css

487 ms

jquery.qtip.min.css

jquery.qtip.min.css

489 ms

default-calendar-grid.min.css

default-calendar-grid.min.css

490 ms

default-calendar-list.min.css

default-calendar-list.min.css

492 ms

js_composer_front_custom.css

js_composer_front_custom.css

601 ms

style.css

style.css

559 ms

ytprefs.min.css

ytprefs.min.css

584 ms

jquery.js

jquery.js

594 ms

jquery-migrate.min.js

jquery-migrate.min.js

588 ms

swfobject.js

swfobject.js

588 ms

jquery.fancybox.js

jquery.fancybox.js

659 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

781 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

687 ms

js

js

64 ms

fontawesome-markers.min.js

fontawesome-markers.min.js

898 ms

js

js

56 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

692 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

699 ms

jquery.theme-main.min.js

jquery.theme-main.min.js

759 ms

css

css

32 ms

css

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49 ms

font-awesome.min.css

font-awesome.min.css

732 ms

wejs

wejs

38 ms

style.css

style.css

637 ms

prettyPhoto.min.css

prettyPhoto.min.css

610 ms

owl.min.css

owl.min.css

669 ms

animate.min.css

animate.min.css

689 ms

css

css

35 ms

colorbox.css

colorbox.css

686 ms

styles.css

styles.css

637 ms

jquery.fitvids.min.js

jquery.fitvids.min.js

611 ms

ajax-comments.min.js

ajax-comments.min.js

670 ms

wpgc.js

wpgc.js

688 ms

foobox.free.min.js

foobox.free.min.js

695 ms

ytprefs.min.js

ytprefs.min.js

697 ms

core.min.js

core.min.js

638 ms

widget.min.js

widget.min.js

613 ms

mouse.min.js

mouse.min.js

674 ms

2ebdc5

2ebdc5

27 ms

css

css

18 ms

style.css

style.css

689 ms

resizable.min.js

resizable.min.js

744 ms

draggable.min.js

draggable.min.js

743 ms

button.min.js

button.min.js

679 ms

position.min.js

position.min.js

654 ms

dialog.min.js

dialog.min.js

822 ms

wpdialog.min.js

wpdialog.min.js

822 ms

jquery.form.min.js

jquery.form.min.js

904 ms

scripts.js

scripts.js

835 ms

frontend.js

frontend.js

812 ms

jquery.ajaxsearchlite.min.js

jquery.ajaxsearchlite.min.js

807 ms

new-tab.min.js

new-tab.min.js

806 ms

jquery.qtip.min.js

jquery.qtip.min.js

801 ms

moment.min.js

moment.min.js

919 ms

moment-timezone-with-data.min.js

moment-timezone-with-data.min.js

877 ms

default-calendar.min.js

default-calendar.min.js

848 ms

fitvids.min.js

fitvids.min.js

842 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

838 ms

wp-embed.min.js

wp-embed.min.js

776 ms

sitepress.js

sitepress.js

978 ms

js_composer_front.min.js

js_composer_front.min.js

972 ms

script-min.js

script-min.js

966 ms

waypoints.min.js

waypoints.min.js

958 ms

jquery.prettyPhoto.min.js

jquery.prettyPhoto.min.js

897 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

878 ms

owl.carousel.min.js

owl.carousel.min.js

974 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

967 ms

underscore.min.js

underscore.min.js

962 ms

vc_grid.min.js

vc_grid.min.js

960 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

899 ms

custom.js

custom.js

880 ms

analytics.js

analytics.js

48 ms

css

css

24 ms

collect

collect

378 ms

iframe_api

iframe_api

303 ms

analytics.js

analytics.js

299 ms

popImg.php

popImg.php

1080 ms

tripadvisor_logo_transp_340x80-18034-2.png

tripadvisor_logo_transp_340x80-18034-2.png

334 ms

fr.png

fr.png

854 ms

en.png

en.png

779 ms

icone-CVLG_neg.png

icone-CVLG_neg.png

891 ms

paradelta-logo.png

paradelta-logo.png

890 ms

paradelta-vols-bi-cool.jpg

paradelta-vols-bi-cool.jpg

942 ms

paradelta-vols-decouverte.jpg

paradelta-vols-decouverte.jpg

1078 ms

paradelta-vols-premium.jpg

paradelta-vols-premium.jpg

1384 ms

paradelta_offrez-un-bon-cadeau_parapente-tandem_2.jpg

paradelta_offrez-un-bon-cadeau_parapente-tandem_2.jpg

1783 ms

dummy.png

dummy.png

946 ms

icon-biplace.png

icon-biplace.png

946 ms

popImg.php

popImg.php

1384 ms

popImg.php

popImg.php

1784 ms

icon-school.png

icon-school.png

975 ms

icon-sky.png

icon-sky.png

947 ms

icon-club.png

icon-club.png

892 ms

eTONJ7QIePw

eTONJ7QIePw

302 ms

js

js

324 ms

collect

collect

176 ms

www-widgetapi.js

www-widgetapi.js

174 ms

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

173 ms

SlGWmQWMvZQIdix7AFxXmMh3eDs1Yg.ttf

SlGWmQWMvZQIdix7AFxXmMh3eDs1Yg.ttf

175 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf

274 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEooCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEooCP.ttf

510 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaooCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaooCP.ttf

630 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpYCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpYCP.ttf

576 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

629 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pYCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pYCP.ttf

629 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapYCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapYCP.ttf

630 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1404 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1003 ms

2EBDC5_0_0.woff

2EBDC5_0_0.woff

1005 ms

2EBDC5_0_0.woff

2EBDC5_0_0.woff

2911 ms

icomoon.svg

icomoon.svg

1528 ms

WidgetEmbed-cdsratingsonlynarrow

WidgetEmbed-cdsratingsonlynarrow

269 ms

www-player.css

www-player.css

206 ms

www-embed-player.js

www-embed-player.js

303 ms

base.js

base.js

664 ms

vantage-icons.woff

vantage-icons.woff

1089 ms

t4b_widget_ratingsonly-v24139938417a.css

t4b_widget_ratingsonly-v24139938417a.css

263 ms

cdswidgets_m-c-v22480917520a.js

cdswidgets_m-c-v22480917520a.js

567 ms

iframe_api

iframe_api

575 ms

id

id

172 ms

ad_status.js

ad_status.js

167 ms

eTONJ7QIePw

eTONJ7QIePw

366 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

362 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

358 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

362 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

358 ms

background-vols.jpg

background-vols.jpg

132 ms

paradelta_offrez-un-bon-cadeau_parapente-tandem_background.jpg

paradelta_offrez-un-bon-cadeau_parapente-tandem_background.jpg

503 ms

overlay.png

overlay.png

408 ms

www-player.css

www-player.css

219 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

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236 ms

coloredbg.png

coloredbg.png

106 ms

paradelta-parapente-tandem-geneve.jpg

paradelta-parapente-tandem-geneve.jpg

105 ms

header-home-3.jpg

header-home-3.jpg

583 ms

header-home-4.jpg

header-home-4.jpg

230 ms

foobox.svg

foobox.svg

148 ms

foobox.woff

foobox.woff

148 ms

ad_status.js

ad_status.js

6 ms

jZnaD5i84OOj95f_CaIDPNlD8clIrXO563EFyn6Jvvo.js

jZnaD5i84OOj95f_CaIDPNlD8clIrXO563EFyn6Jvvo.js

74 ms

embed.js

embed.js

28 ms

id

id

24 ms

header-home-2.jpg

header-home-2.jpg

398 ms

header-home-8.jpg

header-home-8.jpg

120 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

60 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

60 ms

Create

Create

170 ms

header-home-6.jpg

header-home-6.jpg

117 ms

header-home-1.jpg

header-home-1.jpg

118 ms

header-home-5.jpg

header-home-5.jpg

102 ms

GenerateIT

GenerateIT

17 ms

Tripadvisor_lockup_horizontal_secondary_registered-18034-2.svg

Tripadvisor_lockup_horizontal_secondary_registered-18034-2.svg

66 ms

2EBDC5_0_0.ttf

2EBDC5_0_0.ttf

2046 ms

TripAdvisor_Regular.woff

TripAdvisor_Regular.woff

7 ms

log_event

log_event

32 ms

Accessibility Review

paradelta.ch 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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

paradelta.ch best practices score

75

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

Page has valid source maps

SEO Factors

paradelta.ch SEO score

84

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

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 Paradelta.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 Paradelta.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

paradelta.ch

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