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Click here to check amazing LISER content for Luxembourg. Otherwise, check out these important facts you probably never knew about liser.lu
LISER's public research focuses on social and economic policies, including their spatial dimension. Its mission is to provide the scientific community and society with clear, relevant and solid answer...Visit liser.lu
We analyzed Liser.lu page load time and found that the first response time was 272 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
liser.lu performance score
Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Liser.lu, 5% (2 requests) were made to Ssl.google-analytics.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Liser.lu.
Page size can be reduced by 2.6 MB (43%)
In fact, the total size of Liser.lu main page is 6.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. HTML takes 3.9 MB which makes up the majority of the site volume.
Potential reduce by 1.0 MB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.0 MB or 26% of the original size.
Potential reduce by 728.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, LISER needs image optimization as it can save up to 728.5 kB or 66% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 606.8 kB
Potential reduce by 269.8 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Liser.lu needs all CSS files to be minified and compressed as it can save up to 269.8 kB or 87% of the original size.
Number of requests can be reduced by 15 (50%)
liser.lu accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Image elements do not have [alt] attributes
Links do not have a discernible name
liser.lu best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
liser.lu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Liser.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Liser.lu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
Open Graph data is detected on the main page of LISER. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: