Purl.org Site Title

PURL Administration

Purl.org Test Results

purl.org Mobile Usability: 100/100


purl.org Mobile Speed: 67/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 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.
Optimize CSS Delivery of the following:
https://archive.org/services/purl/static/bootstrap/css/bootstrap.css
...
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 108.9KiB (71% reduction).
Compressing https://archive.org/services/purl/static/jquery/jquery.js could save 55KiB (65% 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://purl.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://archive.org/services/purl/static/app.js (12 hours)
...
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 22.2KiB (33% reduction).
Minifying https://archive.org/services/purl/static/bootstrap/js/bootstrap.js could save 22.2KiB (33% reduction).

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