3.1 sec in total
615 ms
2.3 sec
142 ms
Welcome to stadtbibliothek.luebeck.de homepage info - get ready to check Stadtbibliothek Luebeck best content for Germany right away, or after learning these important things about stadtbibliothek.luebeck.de
Visit stadtbibliothek.luebeck.deWe analyzed Stadtbibliothek.luebeck.de page load time and found that the first response time was 615 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
stadtbibliothek.luebeck.de performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value7.1 s
6/100
25%
Value8.5 s
18/100
10%
Value400 ms
68/100
30%
Value0.126
83/100
15%
Value8.5 s
37/100
10%
615 ms
208 ms
426 ms
215 ms
216 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Stadtbibliothek.luebeck.de and no external sources were called. The less responsive or slowest element that took the longest time to load (856 ms) belongs to the original domain Stadtbibliothek.luebeck.de.
Page size can be reduced by 203.6 kB (50%)
410.5 kB
206.9 kB
In fact, the total size of Stadtbibliothek.luebeck.de main page is 410.5 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. 25% of websites need less resources to load. Images take 215.6 kB which makes up the majority of the site volume.
Potential reduce by 17.3 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 2.9 kB, which is 13% 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 17.3 kB or 77% of the original size.
Potential reduce by 62.6 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, Stadtbibliothek Luebeck needs image optimization as it can save up to 62.6 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 75.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.0 kB or 66% of the original size.
Potential reduce by 48.8 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. Stadtbibliothek.luebeck.de needs all CSS files to be minified and compressed as it can save up to 48.8 kB or 83% of the original size.
Number of requests can be reduced by 20 (41%)
49
29
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stadtbibliothek Luebeck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
stadtbibliothek.luebeck.de
615 ms
styles_cms.css
208 ms
styles.css
426 ms
functions_javascript.js
215 ms
styleswitcher.js
216 ms
jquery-1.11.1.min.js
531 ms
jquery-migrate-1.2.1.min.js
216 ms
autocomplete.js
312 ms
bg-frame.gif
109 ms
header.jpg
217 ms
logo.gif
109 ms
logo.jpg
110 ms
main_navigation_spritesheet.png
112 ms
doppelpunkt_nav1.gif
110 ms
balken_head.jpg
213 ms
bg-submenu.gif
214 ms
menu-separator.gif
215 ms
icon-css-switch.gif
216 ms
bullet-filled-red.gif
216 ms
icon-sitemap.gif
320 ms
icon-home.gif
320 ms
icon-kontakt.gif
322 ms
icon-drucken.gif
320 ms
icon-suche.gif
322 ms
bullet-filled-e4.gif
322 ms
icon_pp.gif
425 ms
ext.png
425 ms
arrow-outline-grey.gif
425 ms
rss_ico.jpg
426 ms
brief.gif
427 ms
banner_mietspiegel.jpg
427 ms
banner_mietspiegel_bg.jpg
531 ms
button50a.gif
531 ms
teaser_verlauf.gif
532 ms
bg-dotted-grey.gif
533 ms
katalog.jpg
533 ms
more-outline-red.gif
534 ms
uhr.jpg
634 ms
gebuehren_teaser.jpg
635 ms
E-Books.jpg
741 ms
DigiBib.jpg
636 ms
altbestaende_teaser.jpg
636 ms
zentral.jpg
637 ms
kinder.jpg
742 ms
Vorschau_Musik.jpg
856 ms
stadtteil.jpg
645 ms
Facebook_klein.jpg
644 ms
kalender.jpg
644 ms
text-mittel.css
109 ms
text-gross.css
109 ms
stadtbibliothek.luebeck.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
stadtbibliothek.luebeck.de 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
Page has valid source maps
stadtbibliothek.luebeck.de SEO score
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
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stadtbibliothek.luebeck.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Stadtbibliothek.luebeck.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
stadtbibliothek.luebeck.de
Open Graph description is not detected on the main page of Stadtbibliothek Luebeck. 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: