Virtualnerd.com Site Title
Virtual Nerd: Real math help for school and home
Virtualnerd.com Meta Description
Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. In this non-linear system, users are free to take whatever path through the material best serves their needs. These unique features make Virtual Nerd a viable alternative to private tutoring.
Virtualnerd.com Test Results
virtualnerd.com Mobile Usability: 100/100
virtualnerd.com Mobile Speed: 72/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 4 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.
http://virtualnerd.com/_js/libs/jquery-1.7.2.min.js
...
Optimize CSS Delivery of the following:
http://virtualnerd.com/_css/bootstrap-2.2.2.min.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:
http://virtualnerd.com/_css/bootstrap-2.2.2.min.css (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 7.9KiB (18% reduction).
Compressing http://virtualnerd.com/_img/tutor-whiteboard-blank.jpg could save 7.9KiB (18% 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 1.6KiB (22% reduction).
Minifying http://virtualnerd.com/_js/vn-main.js could save 1.6KiB (22% reduction) after compression.
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 542B (15% reduction).
Minifying http://virtualnerd.com/_css/vn_public.css could save 542B (15% reduction) after compression.
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 417B (17% reduction).
Minifying http://virtualnerd.com/ could save 417B (17% reduction) after compression.
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