mit.edu MIT - Massachusetts Institute of Technology

Mobile Usability

99/100

Good

Mobile Speed

60/100

Bad

Last tested: 2017-08-27

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mit.edu Mobile Usability: 99/100
mit.edu 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 <a href="http://news.mit.edu">News</a> and 2 others are close to other tap targets.
mit.edu Mobile Speed: 60/100
mit.edu Mobile Speed Test Quick Overview

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

Your page has 3 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
http://web.mit.edu/files/assets/js/modernizr-2.8.3.min.js
http://web.mit.edu/files/assets/js/jquery.js?v1.4.4
http://web.mit.edu/files/assets/js/site.min.js?v=1461245260
Optimize CSS Delivery of the following:
http://web.mit.edu/files/assets/css/normalize.min.css
http://web.mit.edu/files/assets/css/main.min.css
http://web.mit.edu/files/assets/css/site.min.css?v=1475596776
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 210.5KiB (47% reduction).
Compressing http://web.mit.edu/files/images/news/2017/MIT-NVBot-1.jpg could save 60.2KiB (47% reduction).
Compressing http://web.mit.edu/files/images/homepage/default/m…light.jpg?v=1494256372 could save 51.3KiB (47% reduction).
Compressing http://web.mit.edu/files/images/news/2017/HP-Breathing-Films.jpg could save 44.2KiB (48% reduction).
Compressing http://web.mit.edu/files/images/news/2017/HP-Campus-Dashboard.jpg could save 40.9KiB (43% reduction).
Compressing http://web.mit.edu/files/assets/images/sprites-social-hd.png could save 5.5KiB (48% reduction).
Compressing http://web.mit.edu/files/assets/images/sprites-social-print.png could save 3.5KiB (79% reduction).
Compressing http://web.mit.edu/files/images/homepage/default/mit_logo.gif could save 1.2KiB (86% reduction).
Compressing http://web.mit.edu/files/images/homepage/default/mit_logo.gif?v=1494256372 could save 1.2KiB (86% reduction).
Compressing http://web.mit.edu/files/assets/images/icon-arrow-down-hd.png could save 1,017B (63% reduction).
Compressing http://web.mit.edu/files/assets/images/icon-arrow-go-hd.png could save 927B (63% reduction).
Compressing http://web.mit.edu/files/assets/images/icon-search-hd.png could save 639B (26% 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:
http://web.mit.edu/files/assets/css/main.min.css (expiration not specified)
http://web.mit.edu/files/assets/css/normalize.min.css (expiration not specified)
http://web.mit.edu/files/assets/images/icon-arrow-down-hd.png (expiration not specified)
http://web.mit.edu/files/assets/images/icon-arrow-go-hd.png (expiration not specified)
http://web.mit.edu/files/assets/images/icon-search-hd.png (expiration not specified)
http://web.mit.edu/files/assets/images/logo-mit-print.gif (expiration not specified)
http://web.mit.edu/files/assets/images/sprites-social-hd.png (expiration not specified)
http://web.mit.edu/files/assets/images/sprites-social-print.png (expiration not specified)
http://web.mit.edu/files/assets/js/modernizr-2.8.3.min.js (expiration not specified)
http://web.mit.edu/files/images/homepage/default/mit_logo.gif (expiration not specified)
http://web.mit.edu/files/images/news/2017/HP-Breathing-Films.jpg (expiration not specified)
http://web.mit.edu/files/images/news/2017/HP-Campus-Dashboard.jpg (expiration not specified)
http://web.mit.edu/files/images/news/2017/MIT-NVBot-1.jpg (expiration not specified)
https://www.google-analytics.com/analytics.js (2 hours)
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 63.6KiB (65% reduction).
Compressing http://web.mit.edu/files/assets/js/jquery.js?v1.4.4 could save 50.3KiB (65% reduction).
Compressing http://web.mit.edu/files/assets/js/modernizr-2.8.3.min.js could save 9KiB (59% reduction).
Compressing http://web.mit.edu/files/assets/js/site.min.js?v=1461245260 could save 4.3KiB (77% reduction).

mit.edu Mobile Resources


Total Resources26
Number of Hosts4
Static Resources14
JavaScript Resources4
CSS Resources3

mit.edu Mobile Resource Breakdown