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Mobile Usability

99/100

Good

Mobile Speed

70/100

Medium

Last tested: 2017-08-27

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nature.com Mobile Usability: 99/100
nature.com Mobile Usability Test 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 <button type="button" class="visually-hidden">Close menu</button> and 3 others are close to other tap targets.
The tap target <button type="button" class="visually-hidden">Close menu</button> and 7 others are close to other tap targets.
The tap target <a href="http://www.nat…cancer-1.21931">Cell maps reve…fights cancer</a> is close to 1 other tap targets.
The tap target <a href="/articles/s41562-017-0115">Sociology: Protest signalling</a> and 2 others are close to other tap targets.
nature.com Mobile Speed: 70/100
nature.com Mobile Speed Test Quick Overview

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

Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
http://nexus.ensighten.com/npg/Bootstrap.js
Optimize CSS Delivery of the following:
http://www.nature.com/homepage/public/resources/ba…23c3f7d61880320968.css
http://www.nature.com/homepage/public/resources/ma…03974a9faa6ef0641c.css
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://recommendations.springernature.com/v1209/generated/entry-point.js (60 seconds)
http://nexus.ensighten.com/npg/Bootstrap.js (5 minutes)
http://www.googletagservices.com/tag/js/gpt.js (15 minutes)
http://cdn.krxd.net/controltag/Jn7TaPwq.js (20 minutes)
http://cdn.krxd.net/controltag?confid=Jn7TaPwq (20 minutes)
http://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
http://s3.amazonaws.com/ki.js/47412/e2T.js (60 minutes)
http://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
http://static.chartbeat.com/js/chartbeat.js (2 hours)
http://www.google-analytics.com/analytics.js (2 hours)
https://z.moatads.com/naturecontent5748920/moatcontent.js (7 hours)
https://z.moatads.com/naturedfp395221120438/moatad.js (9 hours)
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 17.9KiB (24% reduction).
Compressing http://www.nature.com/homepage-assets/npg/homie/im…es/w300h190/Lympho.jpg could save 6.4KiB (19% reduction).
Compressing http://www.nature.com/homepage-assets/npg/homie/im…00h190/Cellstrial.jpeg could save 6.3KiB (29% reduction).
Compressing http://www.nature.com/homepage-assets/npg/homie/im…0/electroceuticals.jpg could save 3.3KiB (23% reduction).
Compressing http://www.nature.com/homepage-assets/npg/nrg/jour…h75/nrg.2017.37-i1.jpg could save 1.9KiB (33% reduction).
Reduce server response time

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 655B (61% reduction).
Compressing https://recommendations.springernature.com/v1209/user/config could save 655B (61% reduction).

nature.com Mobile Resources


Total Resources85
Number of Hosts24
Static Resources51
JavaScript Resources34
CSS Resources2

nature.com Mobile Resource Breakdown