Spie.org Site Title

SPIE - the international society for optics and photonics

Spie.org Meta Description

SPIE is dedicated to advancing the scientific research and engineering applications of optics and photonics through international conferences, education programs and publications.

Spie.org Test Results

Spie.org Mobile Usability: 100/100

Spie.org Mobile Speed: 81/100

Quick overview:
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://cdn.optimizely.com/js/130684323.js?_=1473015245371 (2.1 minutes)
...
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.
Optimize CSS Delivery of the following:
http://az690879.vo.msecnd.net/3054/4181.css
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 26.1KiB (68% reduction).
Compressing https://az690879.vo.msecnd.net/3054/SPIE.jpg could save 26.1KiB (68% reduction).
Reduce server response time
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 5.3KiB (28% reduction).
Minifying http://spie.org/prebuilt/js/common.js?_=1473015245367 could save 1.6KiB (26% reduction) after compression.
...

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Last Tested:

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