w3schools.com W3Schools Online Web Tutorials

Mobile Usability

100/100

Good

Mobile Speed

85/100

Good

Last tested: 2017-08-27

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w3schools.com Mobile Speed: 85/100
w3schools.com Mobile Speed Test Quick Overview

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

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://www.w3schools.com/w3css/4/w3.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://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.google.com/jsapi?autoload=%7B%22module…22%3A%22en%22%7D%5D%7D (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.w3schools.com/images/colorpicker.png (4 hours)
https://www.w3schools.com/lib/fonts/fontawesome.woff?14663396 (4 hours)
https://www.w3schools.com/lib/w3codecolor.js (4 hours)
https://www.w3schools.com/w3css/4/w3.css (4 hours)
https://www.w3schools.com/w3css_templates.jpg (4 hours)
Minify 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 4.4KiB (35% reduction).
Minifying https://www.google.com/uds/api/search/1.0/584853a4…7d97114/default+en.css could save 3.9KiB (40% reduction) after compression.
Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 555B (18% reduction) after compression.
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 864B (84% reduction).
Compressing https://www.google.com/uds/css/v2/search_box_icon.png could save 864B (84% reduction).

w3schools.com Mobile Resources


Total Resources31
Number of Hosts11
Static Resources19
JavaScript Resources10
CSS Resources4

w3schools.com Mobile Resource Breakdown