wwf.ch Website Information

Daily Unique Visits: 43,793

Daily Page Views: 262,758

Income Per Day: $526

Estimated Value: $378,720

This website is located in Switzerland and is using following IP address 193.192.231.27. See the complete list of popular websites hosted in Switzerland.

wwf.ch is registered under .CH top-level domain. Please check other sites in .CH zone.

Website wwf.ch is using the following name servers:

ns6.nine.ch
ns5.nine.ch

and is probably hosted by Sunrise Communications AG. See the full list of other websites hosted by Sunrise Communications AG.

The highest website wwf.ch position in Alexa rank database was 14096 and the lowest rank position was 999998. Current position of wwf.ch in Alexa rank database is 32750.

Desktop speed score of wwf.ch (56/100) is better than the results of 30.56% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of wwf.ch (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of wwf.ch (44/100) is better than the results of 24.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

wwf.ch Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

wwf.ch whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Requests of this client are not permitted. Please use https://www.nic.ch/whois/ for queries.

wwf.ch server information

Servers Location

wwf.ch desktop page speed rank

Last tested: 2017-04-25

Desktop Speed Bad

56/100

wwf.ch Desktop Speed Test Quick Summary

priority - 36Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://assets.wwf.ch/cookieconsent/cookieconsent_init.js (expiration not specified)
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http://www.wwf.ch/_skins/pandaorg3/themes.css (expiration not specified)
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http://connect.facebook.net/en_US/all.js (20 minutes)
http://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
http://siteimproveanalytics.com/js/siteanalyze_6092314.js (4 hours)
http://script.crazyegg.com/pages/scripts/0017/7431.js?414753 (8 hours)

priority - 19Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 182.6KiB (50% reduction).

Compressing and resizing https://assets.wwf.ch/img/original/xl_227813_1_.jpg could save 79.1KiB (96% reduction).
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priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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http://www.wwf.ch/_skins/pandaorg3/_cache/global.js
http://connect.facebook.net/en_US/all.js
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Optimize CSS Delivery of the following:

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http://www.wwf.ch/_skins/pandaorg3/reset.css
http://www.wwf.ch/_skins/pandaorg3/fonts.css
http://www.wwf.ch/_skins/pandaorg3/themes.css
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priority - 6Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 56.6KiB (25% reduction).

Minifying http://www.wwf.ch/_skins/pandaorg3/_cache/global.js could save 56.6KiB (25% reduction) after compression.

priority - 3Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 32.6KiB (65% reduction).

Compressing http://siteimproveanalytics.com/js/siteanalyze_6092314.js could save 14.1KiB (64% reduction).
Compressing https://assets.wwf.ch/cookieconsent/lib/cookieconsent.min.js could save 13KiB (67% reduction).
Compressing http://img06.en25.com/i/elqCfg.min.js could save 3.8KiB (64% reduction).
Compressing http://assets.wwf.ch/cookieconsent/cookieconsent_init.js could save 1.7KiB (60% reduction).

priority - 3Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://wwf.ch/
http://www.wwf.ch/
http://www.wwf.ch/de/

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 11KiB (22% reduction).

Minifying http://www.wwf.ch/_skins/pandaorg3/_cache/public.css could save 10.5KiB (22% reduction) after compression.
Minifying http://www.wwf.ch/_skins/pandaorg3/themes.css could save 551B (16% reduction) after compression.

wwf.ch Desktop Resource Breakdown

Total Resources	99
Number of Hosts	26
Static Resources	78
JavaScript Resources	20
CSS Resources	9

wwf.ch mobile page speed rank

Last tested: 2018-09-12

Mobile Speed Bad

44/100

wwf.ch Mobile Speed Test Quick Summary

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.wwf.ch/sites/default/files/google_tag/…e_tag.script.js?pdx0fs
https://www.wwf.ch/sites/default/files/js/js_B7pS3…elMu-EhaOeKlHZ8E6y0.js
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Optimize CSS Delivery of the following:

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priority - 43Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://wwf.ch/
https://wwf.ch/
https://www.wwf.ch/
https://www.wwf.ch/de

priority - 16Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 154.7KiB (40% reduction).

Compressing https://www.wwf.ch/themes/custom/wwf_main_theme/co…ges/tiled_elephant.png could save 118.6KiB (46% reduction).
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priority - 9Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://api.optmnstr.com/v2/embed/40671 (expiration not specified)
https://assets.wwf.ch/cookieconsent//cookieconsent.css (expiration not specified)
https://assets.wwf.ch/cookieconsent//lib/cookieconsent.min.css (expiration not specified)
https://assets.wwf.ch/cookieconsent/lib/cookieconsent.min.js (expiration not specified)
https://service.maxymiser.net/api/eu/wwf.ch/657d88/mmapi.js (10 seconds)
https://static.hotjar.com/c/hotjar-793809.js?sv=5 (60 seconds)
https://www.googletagmanager.com/gtm.js?id=GTM-MXR8Q9 (15 minutes)
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https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

63.6KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 52% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

Click to see the screenshot with 2 round trips:

priority - 7Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 69.3KiB (77% reduction).

Compressing https://www.wwf.ch/de could save 51.9KiB (83% reduction).
Compressing https://assets.wwf.ch/cookieconsent/lib/cookieconsent.min.js could save 13KiB (67% reduction).
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Compressing https://www.youtube.com/iframe_api could save 367B (43% reduction).
Compressing https://assets.wwf.ch/cookieconsent//cookieconsent.css could save 192B (48% reduction).
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priority - 4Reduce server response time

In our test, your server responded in 0.48 seconds.

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 16.7KiB (19% reduction).

Minifying https://www.wwf.ch/sites/default/files/js/js_JH5mr…VgfdjqbdjMZ5T_ZynNU.js could save 16.7KiB (19% reduction) after compression.

priority - 1Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 9.9KiB (16% reduction).

Minifying https://www.wwf.ch/de could save 9.9KiB (16% reduction).

wwf.ch Mobile Resource Breakdown

Total Resources	83
Number of Hosts	26
Static Resources	55
JavaScript Resources	24
CSS Resources	4

wwf.ch mobile page usability

Last tested: 2018-09-12

Mobile Usability Good

94/100

wwf.ch Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 418 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <span>Instagram</span> falls outside the viewport.
The element <span class="element-invisible"></span> falls outside the viewport.

priority - 2Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="https://www.ww…ns/datenschutz">Datenschutzerklärung</a> is close to 2 other tap targets.

The tap target <a href="#main-content" class="visually-hidde…able skip-link">Direkt zum Inhalt</a> is close to 1 other tap targets.

The tap target <img src="/sites/default…?itok=QGj1UAKC" class="media__image m…nsive b-loaded"> and 3 others are close to other tap targets.
The tap target <label for="donation-radio-vHpCzFE-2" class="donation-box-amount">CHF 150 CHF150</label> and 1 others are close to other tap targets.
The tap target <form id="webform-submis…e-238-add-form" class="webform-submis…antibot-hidden">E-Mailadresse…Ihrem Wohnort.</form> and 2 others are close to other tap targets.
The tap target <form id="webform-submis…e-238-add-form" class="webform-submis…antibot-hidden">E-Mailadresse…Ihrem Wohnort.</form> and 1 others are close to other tap targets.
The tap target <a href="https://suppor…t-einzelperson" class="0">Mitglied werden</a> and 10 others are close to other tap targets.

wwf.ch HTML validation

Errors

Attribute “xmlns:dc” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="de" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:product” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.

Line: 1 Column: 2832 - 2906
"...t.icon" /><link rel="revision" href="/de/organisation-fuer-natur-und-umweltschutz" /><scrip..."

Element “source” is missing required attribute “srcset”.

Line: 1 Column: 12011 - 12190
"...endif]--> <source media="all and (min-width: 1200px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-05/Flugzeug-Kondensstreifen.jpg?itok=anvT7V1Z 1x"/> <sour..." Line: 1 Column: 12192 - 12394
"...V1Z 1x"/> <source media="all and (min-width: 960px) and (max-width: 1199px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-05/Flugzeug-Kondensstreifen.jpg?itok=anvT7V1Z 1x"/> <sour..." Line: 1 Column: 12396 - 12564
"...V1Z 1x"/> <source media="(min-width: 0px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_small/public/2017-05/Flugzeug-Kondensstreifen.jpg?itok=FmTpmGkU 1x"/>  <source media="all and (min-width: 1200px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2018-04/wwf-250_2400x1602px.jpg?itok=Z3UA_dJB 1x"/> <sour..." Line: 1 Column: 14456 - 14653
"...dJB 1x"/> <source media="all and (min-width: 960px) and (max-width: 1199px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2018-04/wwf-250_2400x1602px.jpg?itok=Z3UA_dJB 1x"/> <sour..." Line: 1 Column: 14655 - 14818
"...dJB 1x"/> <source media="(min-width: 0px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_small/public/2018-04/wwf-250_2400x1602px.jpg?itok=gFBaj6DX 1x"/>  <source media="all and (min-width: 1200px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-08/Sonnenlicht_hinter_Erde.jpg?itok=3Oz47Gh4 1x"/> <sour..." Line: 1 Column: 17319 - 17520
"...Gh4 1x"/> <source media="all and (min-width: 960px) and (max-width: 1199px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-08/Sonnenlicht_hinter_Erde.jpg?itok=3Oz47Gh4 1x"/> <sour..." Line: 1 Column: 17522 - 17689
"...Gh4 1x"/> <source media="(min-width: 0px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_small/public/2017-08/Sonnenlicht_hinter_Erde.jpg?itok=WUxb0q04 1x"/>  <source media="all and (min-width: 1200px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-04/WWF%20App.jpg?itok=LqdJNyyN 1x"/> <sour..." Line: 1 Column: 19543 - 19730
"...yyN 1x"/> <source media="all and (min-width: 960px) and (max-width: 1199px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-04/WWF%20App.jpg?itok=LqdJNyyN 1x"/> <sour..." Line: 1 Column: 19732 - 19885
"...yyN 1x"/> <source media="(min-width: 0px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_small/public/2017-04/WWF%20App.jpg?itok=RaVuIZ29 1x"/>  <source media="all and (min-width: 1200px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-10/Steinbock-in-den-Alpen-Seitenprofil.JPG?itok=PkEJcjnF 1x"/> <sour..." Line: 1 Column: 22771 - 22984
"...jnF 1x"/> <source media="all and (min-width: 960px) and (max-width: 1199px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_large/public/2017-10/Steinbock-in-den-Alpen-Seitenprofil.JPG?itok=PkEJcjnF 1x"/> <sour..." Line: 1 Column: 22986 - 23165
"...jnF 1x"/> <source media="(min-width: 0px)" type="image/jpeg" data-srcset="/sites/default/files/styles/default_small/public/2017-10/Steinbock-in-den-Alpen-Seitenprofil.JPG?itok=0HGM_kou 1x"/> <!--[..."

Duplicate ID “ueberblick”.

Line: 1 Column: 15922 - 16020
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..." Line: 1 Column: 21056 - 21154
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..." Line: 1 Column: 21227 - 21325
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..."

Start tag “a” seen but an element of the same type was already open.

Line: 1 Column: 23952 - 23954
"...pan><span><a><span>..."

End tag “a” violates nesting rules.

Line: 1 Column: 23952 - 23954
"...pan><span><a><span>..."

Cannot recover after last error. Any further errors will be ignored.

Line: 1 Column: 23952 - 23954
"...pan><span><a><span>..."

Warnings

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

Line: 1 Column: 3628 - 3718
"...></script><script type="text/javascript" src="//service.maxymiser.net/api/eu/wwf.ch/657d88/mmapi.js"></scri..."

The “banner” role is unnecessary for element “header”.

Line: 1 Column: 4150 - 4171
"...ontainer"><header role="banner"><div c..."

The “main” role is unnecessary for element “main”.

Line: 1 Column: 7849 - 7866
"...div></div><main role="main"><a id=..."

The “article” role is unnecessary for element “article”.

Line: 1 Column: 7940 - 8018
"...nt"><div> <article role="article" class="node node--type-home-page node--view-mode-full"><div c..." Line: 1 Column: 11403 - 11540
"...d__items"><article role="article" class="cta-plaque cta-category-other node node--type-call-to-action node--view-mode-teaser" data-category="other"><div c..." Line: 1 Column: 13633 - 13770
"...</article><article role="article" class="cta-plaque cta-category-other node node--type-call-to-action node--view-mode-teaser" data-category="other"><div c..." Line: 1 Column: 16526 - 16663
"...d__items"><article role="article" class="cta-plaque cta-category-other node node--type-call-to-action node--view-mode-teaser" data-category="other"><div c..." Line: 1 Column: 18764 - 18897
"...</article><article role="article" class="cta-plaque cta-category-app node node--type-call-to-action node--view-mode-teaser" data-category="app"><div c..." Line: 1 Column: 21964 - 22055
"...ut-col-6"><article role="article" class="tm-plaque node node--type-story-page node--view-mode-teaser"><div c..."

The first occurrence of ID “ueberblick” was here.

Line: 1 Column: 10931 - 11029
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..." Line: 1 Column: 10931 - 11029
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..." Line: 1 Column: 10931 - 11029
"...ld__item"><div id="ueberblick" class="paragraph paragraph--type--page-section paragraph--view-mode--default"><div c..."

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wwf.ch Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

wwf.ch TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

WWF.CH Organisation für Natur - und Umweltschutz | WWF Schweiz

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wwf.ch Desktop Speed Test Quick Summary

priority - 36Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 19Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 182.6KiB (50% reduction).

priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 6Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 56.6KiB (25% reduction).

priority - 3Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 32.6KiB (65% reduction).

priority - 3Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 11KiB (22% reduction).

wwf.ch Desktop Resource Breakdown

wwf.ch mobile page speed rank

wwf.ch Mobile Speed Test Quick Summary

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 43Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 16Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 154.7KiB (40% reduction).

priority - 9Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

priority - 7Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 69.3KiB (77% reduction).

priority - 4Reduce server response time

In our test, your server responded in 0.48 seconds.

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 16.7KiB (19% reduction).

priority - 1Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 9.9KiB (16% reduction).

wwf.ch Mobile Resource Breakdown

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wwf.ch Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 418 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

priority - 2Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

wwf.ch HTML validation

Errors

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:product” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.

Element “source” is missing required attribute “srcset”.