Optaplanner.org Site Title

OptaPlanner - The fast, Open Source and easy-to-use solver

Optaplanner.org Meta Description

Solve any constraint optimization problem easily, including the Vehicle Routing Problem, Employee Rostering, Maintenance Scheduling and many others.

Optaplanner.org Test Results

optaplanner.org Mobile Usability: 91/100

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 478 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <img src="headerFooter/f…MeOnGithub.png"> falls outside the viewport.
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a class="button navbar-toggle">Toggle navigation</a> is close to 1 other tap targets .
...

optaplanner.org Mobile Speed: 46/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 3 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.
Remove render-blocking JavaScript:
https://www.redhat.com/dtm.js
Optimize CSS Delivery of the following:
https://www.optaplanner.org/website/bootstrap/css/bootstrap.min.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://optaplanner.org/
...
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://www.optaplanner.org/download/download.png (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 186.8KiB (25% reduction).
Compressing https://www.optaplanner.org/landingPage/scalabilityOfOptimizationAlgorithms.png could save 41.7KiB (29% reduction).
...
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 693B (36% reduction).
Minifying https://www.optaplanner.org/website/optaplannerWebsite.css could save 693B (36% reduction) after compression.

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