4.3 sec in total
684 ms
3.4 sec
181 ms
Visit auth.bnl.lu now to see the best up-to-date Auth Bnl content for Luxembourg and also check out these interesting facts you probably never knew about auth.bnl.lu
Visit auth.bnl.luWe analyzed Auth.bnl.lu page load time and found that the first response time was 684 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
auth.bnl.lu performance score
name
value
score
weighting
Value23.5 s
0/100
10%
Value24.8 s
0/100
25%
Value23.5 s
0/100
10%
Value1,270 ms
19/100
30%
Value0.032
100/100
15%
Value26.4 s
0/100
10%
684 ms
737 ms
298 ms
1226 ms
305 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 97% of them (32 requests) were addressed to the original Auth.bnl.lu, 3% (1 request) were made to Infobib.bibnet.lu. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Auth.bnl.lu.
Page size can be reduced by 40.0 kB (81%)
49.6 kB
9.6 kB
In fact, the total size of Auth.bnl.lu main page is 49.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. HTML takes 47.5 kB which makes up the majority of the site volume.
Potential reduce by 38.5 kB
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. This page needs HTML code to be minified as it can gain 11.3 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.5 kB or 81% of the original size.
Potential reduce by 1.5 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. Auth.bnl.lu needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 74% of the original size.
Number of requests can be reduced by 3 (30%)
10
7
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auth Bnl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
search.do
684 ms
primo_library_css.css
737 ms
primo_library_css.js
298 ms
primo_library_web.js
1226 ms
add2home.js
305 ms
add2home.css
206 ms
bnl_js.js
317 ms
bnl_helpers.js
307 ms
bnl_browse.js
396 ms
bibnet-library-count
358 ms
pleaseWait.js
318 ms
bnl_logo_az.png
95 ms
bnl_logo_az_mobile.png
110 ms
bnl_de.png
108 ms
bnl_uk.png
106 ms
bnl_fr.png
107 ms
icon_arrow_sendTo.png
106 ms
banner.png
216 ms
bnl_teaser_infographic_fr-FR.jpg
220 ms
bnl_ajax_loader.gif
220 ms
icon_star_on.png
213 ms
icon_clear_search.png
204 ms
bnl_search_btn.png
201 ms
getRssFeedBibnet.pl
883 ms
getRssFeed.pl
1012 ms
icon_close_tabs.png
227 ms
bnl_digital_browse_fr-FR.png
244 ms
icon_sso_loading.gif
238 ms
pds
576 ms
PDSMExlibris.css
110 ms
login.do
110 ms
login.do
104 ms
login.do
123 ms
auth.bnl.lu accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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.
Impact
Issue
Links do not have a discernible name
auth.bnl.lu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
auth.bnl.lu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
robots.txt is not valid
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Auth.bnl.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Auth.bnl.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.
auth.bnl.lu
Open Graph description is not detected on the main page of Auth Bnl. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: