4.8 sec in total
1.6 sec
2.7 sec
375 ms
Click here to check amazing Schlaf content for Germany. Otherwise, check out these important facts you probably never knew about schlaf.de
Schlaf.de ist die erste Anlaufstelle für wissenschaftlich fundierte, medizinisch geprüfte Informationen zur Schlafgesundheit.
Visit schlaf.deWe analyzed Schlaf.de page load time and found that the first response time was 1.6 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
schlaf.de performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value10.2 s
0/100
25%
Value7.4 s
27/100
10%
Value1,280 ms
18/100
30%
Value0.586
11/100
15%
Value12.9 s
13/100
10%
1637 ms
285 ms
192 ms
816 ms
104 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 93% of them (69 requests) were addressed to the original Schlaf.de, 4% (3 requests) were made to Idoc-test.de and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Schlaf.de.
Page size can be reduced by 292.1 kB (54%)
542.4 kB
250.4 kB
In fact, the total size of Schlaf.de main page is 542.4 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. 35% of websites need less resources to load. Javascripts take 251.4 kB which makes up the majority of the site volume.
Potential reduce by 58.1 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 24.7 kB, which is 36% 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 58.1 kB or 84% of the original size.
Potential reduce by 18.6 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. Schlaf images are well optimized though.
Potential reduce by 181.5 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 181.5 kB or 72% of the original size.
Potential reduce by 33.8 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. Schlaf.de needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 86% of the original size.
Number of requests can be reduced by 30 (46%)
65
35
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schlaf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
schlaf.de
1637 ms
default.css
285 ms
was_ist_schlaf.css
192 ms
jquery.js
816 ms
multibox.css
104 ms
mootools.js
111 ms
overlay.js
103 ms
swfobject.js
194 ms
multibox.js
200 ms
header.gif
165 ms
sp_trans.gif
172 ms
topnavig_bg.gif
176 ms
topnavig_wis.gif
253 ms
topnavig_wdsgi.gif
259 ms
topnavig_adr.gif
259 ms
topnavig_wsw.gif
274 ms
quicksearch_bg.gif
279 ms
quicksearch_bt_suchen.gif
349 ms
icon_allgemein.gif
348 ms
MassgefertigteMatratzen10.jpg
449 ms
arrow_link.gif
356 ms
plzteaser_abschluss.jpg
375 ms
icon_frage.gif
390 ms
logo_st_links_klein.gif
444 ms
iDoc_Meine-Gesundheit_Hand_Siegel.jpg
452 ms
150_idoc_mgo.gif
450 ms
icon_allgemein.gif
477 ms
goodnight_nobody.jpg
493 ms
collage.gif
539 ms
icon_frage.gif
544 ms
epworth.jpg
544 ms
arrow_login.gif
554 ms
slide_box_wis.gif
579 ms
slide_box_adr.gif
595 ms
slide_box_wdsgi.gif
633 ms
slide_box_wsw.gif
637 ms
icon_print.gif
639 ms
webadressbuch_2015.jpg
656 ms
erfolgreich-suchen_max_2011.jpg
666 ms
overlay.js
638 ms
multibox.css
668 ms
mootools.js
667 ms
swfobject.js
596 ms
multibox.js
602 ms
icon_achtung.gif
629 ms
icon_login.gif
637 ms
login_bild.gif
674 ms
ApnoePatient_151x99.jpg
604 ms
speed_kl.gif
598 ms
icon_qt.gif
609 ms
icon_wmv.gif
636 ms
speed_hr.gif
637 ms
oben_grau_weiss.gif
647 ms
unten_grau_weiss.gif
586 ms
webadressbuch_2014.jpg
585 ms
webadressbuch_2013.jpg
615 ms
webadressbuch_2012.gif
624 ms
webadressbuch_2011.gif
622 ms
webadressbuch_2010.gif
577 ms
erfolgreich-suchen_2010.gif
583 ms
webadressbuch_2009.gif
581 ms
erfolgreich-suchen_2009.gif
622 ms
webadressbuch_2008.gif
625 ms
erfolgreich-suchen_2008.gif
622 ms
teaser_plz.jpg
701 ms
webadressbuch_2007.gif
577 ms
erfolgreich-suchen_2007.gif
583 ms
160x41_Get_Flash_Player.jpg
671 ms
head_grafik_filme_schlafapn.gif
709 ms
icon_achor.gif
355 ms
footer_bg.gif
406 ms
footernav_wis.gif
434 ms
ga.js
48 ms
__utm.gif
25 ms
schlaf.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
schlaf.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
schlaf.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
DE
EN
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schlaf.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Schlaf.de main page’s claimed encoding is . 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.
schlaf.de
Open Graph description is not detected on the main page of Schlaf. 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: