Visindavefur.is Site Title

Vísindavefurinn

Visindavefur.is Meta Description

Notendur senda spurningar, vísindamenn svara. Hefur þig ekki alltaf langað að vita hvers vegna himinninn ER blár?

Visindavefur.is Test Results

visindavefur.is Mobile Usability: 100/100


visindavefur.is Mobile Speed: 75/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 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.
Remove render-blocking JavaScript:
http://www.visindavefur.is/libs/js/jquery-1.10.2.js?e4285af8d8c6a192f170a2d5f9c4499e706da168
Optimize CSS Delivery of the following:
http://www.visindavefur.is/design/vv_styles.css?365eca939e2690c7f6b881d2e572b65f67a90366
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 36.5KiB (51% reduction).
Losslessly compressing http://www.visindavefur.is/auglysingar/hhi_merki_2014_142x110.jpg could save 31.8KiB (73% reduction).
...
Reduce server response time
In our test, your server responded in 0.42 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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://connect.facebook.net/en_US/all.js (20 minutes)
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 1.4KiB (8% reduction).
Minifying http://www.visindavefur.is/libs/js/vv_js_aggr.js?e4285af8d8c6a192f170a2d5f9c4499e706da168 could save 1.4KiB (8% reduction) after compression.

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