C40.org Site Title

C40 Cities - A global network of mayors taking urgent climate action

C40.org Meta Description

C40 Cities is a global network of nearly 100 mayors of the world’s leading cities that are united in action to confront the climate crisis.

C40.org Test Results

c40.org Mobile Usability: 99/100

Quick overview:
Size 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="http://www.c40…-cities-summit">Second China-U…Cities Summit</a> and 2 others are close to other tap targets.

c40.org Mobile Speed: 0/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 6.5MiB (37% reduction).
Compressing http://c40-production-images.s3.amazonaws.com/featured_stories/images/24_Venue_copy_2.original.jpg?1449199310 could save 1.8MiB (41% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
http://api.mapbox.com/mapbox.js/v3.0.1/mapbox.js
Optimize CSS Delivery of the following:
http://cloud.webtype.com/css/e29a0a87-5b5a-481b-9451-9837ed6194a2.css
...
Enable 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 45.8KiB (62% reduction).
Compressing http://www.c40.org/ could save 44.3KiB (63% reduction).
...
Leverage 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.segment.io/v1/p (expiration not specified)
...

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