Zenva.com Site Title

Zenva Academy

Zenva.com Meta Description

Trusted by 350,000+ learners and developers, Zenva provides world-class training on in-demand programming skills covering game development, machine learning, virtual reality and full-stack web development.

Zenva.com Test Results

zenva.com Mobile Usability: 100/100


zenva.com Mobile Speed: 69/100

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.
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.
Optimize CSS Delivery of the following:
https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 25KiB (37% reduction).
Compressing https://zenva.com/assets/images/phaser-tutorial.jpg could save 13.3KiB (57% 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://connect.facebook.net/en_US/fbevents.js (20 minutes)
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.3KiB (26% reduction).
Minifying https://zenva.com/ could save 1.3KiB (26% reduction) after compression.
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 613B (62% reduction).
Compressing https://zenva.com/assets/css/icons.css could save 613B (62% reduction).

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