coursehero.com Master Your Classes™ | Course Hero

Mobile Usability

100/100

Good

Mobile Speed

56/100

Bad

Last tested: 2017-08-27

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coursehero.com Mobile Speed: 56/100
coursehero.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 5 blocking CSS resources. This causes a delay in rendering your page.
https://www.coursehero.com//sym-assets/js/7ef26d7-d55df4f.js
Optimize CSS Delivery of the following:
https://www.coursehero.com/assets/fonts/HaasGrotesk.css
https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css
https://www.coursehero.com//sym-assets/css/0b72c3a-0f45f70.css
https://www.coursehero.com//sym-assets/css/5c8e57b-12a14cc.css
https://www.coursehero.com//sym-assets/css/d0d4444-eb9b3a6.css
Avoid 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://coursehero.com/
https://coursehero.com/
https://www.coursehero.com/
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://load.s3.amazonaws.com/pixel.gif (expiration not specified)
https://s.yimg.com/wi/ytc.js (expiration not specified)
https://s.adroll.com/j/roundtrip.js (5 minutes)
https://s.adroll.com/pixel/RMA4JRK3LBCRFDGPVVO45A/…LCYDVPRHPFEVOODPOKF.js (5 minutes)
https://cdn.siftscience.com/s.js (10 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-DK9F (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/1635468563384224?v=2.7.6 (20 minutes)
https://s3.amazonaws.com/ki.js/59766/dqn.js (60 minutes)
https://script.crazyegg.com/pages/scripts/0034/4159.js?415079 (60 minutes)
https://js-agent.newrelic.com/nr-1026.min.js (2 hours)
https://ssl.google-analytics.com/ga.js (2 hours)
https://tracker.marinsm.com/tracker/async/518m4q45325.js (2.1 hours)
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 6.2KiB (29% reduction).
Compressing https://www.coursehero.com/assets/img/header/appstore.png could save 2.7KiB (30% reduction).
Compressing https://www.coursehero.com/assets/img/header/googleplay.png could save 2.4KiB (25% reduction).
Compressing https://privacy-policy.truste.com/privacy-seal/Cou…472e-a9fc-0fcdc0471ef1 could save 1.1KiB (36% reduction).
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 4.1KiB (61% reduction).
Compressing https://bruxvw2g.micpn.com/p/js/1.js could save 4.1KiB (61% reduction).
Minify 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 762B (15% reduction).
Minifying https://s.adroll.com/pixel/RMA4JRK3LBCRFDGPVVO45A/…LCYDVPRHPFEVOODPOKF.js could save 762B (15% reduction) after compression.

coursehero.com Mobile Resources


Total Resources126
Number of Hosts54
Static Resources38
JavaScript Resources34
CSS Resources5

coursehero.com Mobile Resource Breakdown