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Optical.org Test Results
optical.org Mobile Usability: 100/100
optical.org Mobile Speed: 39/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 13 blocking script resources and 12 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.
https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?6E4D2504-E177-44F6-8C4A8CEE590C8452
...
Optimize CSS Delivery of the following:
https://www.optical.org/page_templates/css_style.css
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 451.8KiB (60% reduction).
Compressing https://www.optical.org/objects_store/HomepageBanner/thumbnail/C014FD6B34FDE44DEE2C1F48D89E1B04.jpg could save 79.7KiB (77% 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://www.optical.org/filemanager/root/site_assets/images/MyGOC-small.jpg (expiration not specified)
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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://optical.org/
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Reduce server response time
In our test, your server responded in 1 second.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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 4.1KiB (18% reduction).
Minifying https://www.optical.org/inc/css/css_layers.css?08DD8FA6-C86F-4CED-93AB960EFE73E072 could save 1.9KiB (20% reduction) after compression.
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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 3.8KiB (27% reduction).
Minifying https://www.optical.org/inc/js/jquery/cookie.js?AF3CE7F3-3A07-4A75-A0C9C306EA175CC7 could save 1KiB (68% reduction) after compression.
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