Bl.uk Site Title

THE BRITISH LIBRARY - The world's knowledge

Bl.uk Meta Description

This is the home page of the British Library website. Use this site to search our catalogues, order items for research, view exhibitions and link to information resources worldwide. The Library conserves knowledge for future generations. It is the UK's leading research library.

Bl.uk Test Results

Bl.uk Mobile Usability: 96/100

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 912 CSS pixels wide, but the viewport is only 411 CSS pixels wide. The following elements fall outside the viewport:
The element <ul class="slideshow"></ul> falls outside the viewport.

Bl.uk Mobile Speed: 64/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://code.jquery.com/jquery-1.6.3.min.js
...
Optimize CSS Delivery of the following:
http://www.bl.uk/css/blglobal.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://bl.uk/
...
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.bl.uk/css/blglobal.css (24 hours)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 48.5KiB (48% reduction).
Losslessly compressing http://www.bl.uk/includes/image/shakespeare-mob-carousel-v2.jpg could save 22.6KiB (45% reduction).
...
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 33.6KiB (72% reduction).
Compressing http://www.bl.uk/scripts/jquery.cycle.all.latest.js could save 33KiB (73% reduction).
...
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 15.7KiB (35% reduction).
Minifying http://www.bl.uk/scripts/jquery.cycle.all.latest.js could save 15.7KiB (35% 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 996B (33% reduction).
Minifying http://www.bl.uk/css/blglobal.css could save 996B (33% reduction) after compression.

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