Libretexts.org Site Title
Innovative OER Platform - LibreTexts
Libretexts.org Meta Description
LibreTexts is an ecosystem of connected tools that empower educators to create Open Educational Resources at scale.
Libretexts.org Test Results
libretexts.org Mobile Usability: 96/100
Quick overview:
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 427 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
<div class="col-md-12 text-center">Copyright © 20…ghts Reserved.</div>
falls outside the viewport.
libretexts.org Mobile Speed: 66/100
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.
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://libretexts.org/js/modernizr-2.6.2.min.js
Optimize CSS Delivery of the following:
http://libretexts.org/css/animate.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://libretexts.org/css/animate.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 77.3KiB (44% reduction).
Compressing http://libretexts.org/img/bg_laptop.jpg could save 70.4KiB (46% 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 3.4KiB (42% reduction).
Minifying http://libretexts.org/js/lightbox.js could save 2KiB (42% 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 1.9KiB (13% reduction).
Minifying http://libretexts.org/css/style.css could save 907B (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 1.6KiB (38% reduction).
Minifying http://libretexts.org/ could save 1.6KiB (38% reduction) after compression.
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