Book4you.org Site Title

Z-Library single sign on

Book4you.org Meta Description

Z-Library single sign on | Z-Library. Download books for free. Find books

Book4you.org Test Results

book4you.org 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 430 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <td>support@bookmail.org</td> falls outside the viewport.
...

book4you.org Mobile Speed: 50/100

Quick overview:
Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://book4you.org/
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 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.
https://singlelogin.org/resources/build/global.js?0.179
Optimize CSS Delivery of the following:
https://singlelogin.org/resources/build/global.css?0.179
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 167.3KiB (23% reduction).
Compressing https://singlelogin.org/img/library-bg1.jpg could save 167.3KiB (23% 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://singlelogin.org/img/library-bg1.jpg (expiration not specified)
...
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 279B (13% reduction).
Minifying https://singlelogin.org/ could save 279B (13% reduction) after compression.
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 119B (14% reduction).
Minifying https://singlelogin.org/resources/css/singlelogin.css could save 119B (14% reduction) after compression.

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