Csb.gov Site Title

U.S. Chemical Safety and Hazard Investigation Board | CSB

Csb.gov Meta Description

The CSB is an independent federal agency charged with investigating industrial chemical accidents. Headquartered in Washington, DC, the agency's board members are appointed by the President and confirmed by the Senate. The CSB conducts root cause investigations of chemical accidents at fixed industrial facilities. Root causes are usually deficiencies in safety management systems, but can be any factor that would have prevented the accident if that factor had not occurred.

Csb.gov Test Results

csb.gov Mobile Usability: 100/100


csb.gov Mobile Speed: 54/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 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.
http://www.csb.gov/cms/includes/modernizr-css-canvas-video.js?Guid=l%2fSFrfOqPHtKKsnKU%2fckSE%2fTYKGf5ikbgTyFZb5%2b%2fwOU%2fazPaaiJ4Dn%2f9Ktt2vLR
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Optimize CSS Delivery of the following:
http://www.csb.gov/cms/includes/normalize.css?g=RhDy%2bYQGyKz8MIM4YkJoo3stLzvUXl3%2bN9YSoJTLzKBgCaxMNdkGQcw0kupGbwRZ
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 279.1KiB (72% reduction).
Compressing http://www.csb.gov/cms/includes/jquery-mobile-core.js?Guid=yTMQ9EhsPQ2ZSkTIqo5OrgCZLKRKqc%2fKieeV5btQIBNXeZA5eXcwVealgDTBrXQg could save 204KiB (71% reduction).
...
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://csb.gov/
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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://www.csb.gov/cms/images/mobile/arrow@2x.png (expiration not specified)
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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 14.8KiB (27% reduction).
Minifying http://www.csb.gov/cms/includes/mobile.css?g=z234zVGYlVUhnaq5FotXpOqQp0JDDKTbNoA9pWc9cq9fgMR3htWPElRi0u4dZhVG could save 5KiB (23% reduction).
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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 6.9KiB (3% reduction).
Minifying http://www.csb.gov/WebResource.axd?d=w2PZXqoecaPqN0WnHFZsLzJTmY1f31iC2qJh5EGharjuPSSByLr5N1P245i_YdjXSFT0JppwUxddrgFuAOx__hsCkdZuBejYXuRAP-VK6_I1&t=635657873461667346 could save 6.2KiB (30% reduction).
...
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 2.8KiB (27% reduction).
Minifying http://www.csb.gov/mobile/ could save 2.8KiB (27% reduction).
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 803B (71% reduction).
Losslessly compressing http://www.csb.gov/cms/images/mobile/arrow@2x.png could save 803B (71% reduction).

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