3.9 sec in total
281 ms
3.2 sec
405 ms
Visit schweitzer-online.de now to see the best up-to-date Schweitzer Online content for Germany and also check out these interesting facts you probably never knew about schweitzer-online.de
Egal ob Bücher, Fachbücher, Zeitschriften, Online-Datenbanken, Loseblattwerke oder E-Books. Mit über 40 Mio. Artikeln ist der Schweitzer Webshop Ihr Zugang zu Wissen jeglicher Art.
Visit schweitzer-online.deWe analyzed Schweitzer-online.de page load time and found that the first response time was 281 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.
schweitzer-online.de performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.5 s
4/100
25%
Value12.3 s
3/100
10%
Value350 ms
73/100
30%
Value0
100/100
15%
Value11.5 s
18/100
10%
281 ms
129 ms
104 ms
521 ms
588 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 71% of them (67 requests) were addressed to the original Schweitzer-online.de, 27% (26 requests) were made to Content.schweitzer-online.de and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (869 ms) relates to the external source Content.schweitzer-online.de.
Page size can be reduced by 1.3 MB (65%)
2.0 MB
711.6 kB
In fact, the total size of Schweitzer-online.de main page is 2.0 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. 45% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 129.2 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. 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 129.2 kB or 88% of the original size.
Potential reduce by 66.7 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, Schweitzer Online needs image optimization as it can save up to 66.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 803.7 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 803.7 kB or 78% of the original size.
Potential reduce by 330.2 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. Schweitzer-online.de needs all CSS files to be minified and compressed as it can save up to 330.2 kB or 86% of the original size.
Number of requests can be reduced by 46 (51%)
91
45
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schweitzer Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and as a result speed up the page load time.
www.schweitzer-online.de
281 ms
main.ipm
129 ms
main.ipm
104 ms
main.ipm
521 ms
dgnshopvsshop_l0_utf8.css
588 ms
dgnshopvsshop_l0_utf8.css
191 ms
jquery-1.11.2.min.js
483 ms
jquery-ui-1.11.2.min.js
669 ms
main$StoreFront.js
626 ms
browserFeature.js
97 ms
array.js
97 ms
animation.js
100 ms
object.js
98 ms
fadeAnimation.js
100 ms
dataloader.js
100 ms
bg_content_gradient.png
187 ms
bg_body_gradient.jpg
185 ms
bg_content.png
185 ms
top_logo.png
187 ms
expert_search_clear_field.png
207 ms
button_expert_search_magnifier.png
208 ms
formField.js
281 ms
shipping_charges.png
282 ms
norton_secured_verisign.jpg
281 ms
content_shadow_top.png
274 ms
content_shadow_middle.png
275 ms
header_service_box_bg.png
283 ms
toggleBox.js
370 ms
header_service_box_arrow.png
366 ms
header_service_box_separator.jpg
370 ms
headpanel_icon_cart.png
368 ms
nav_line_separator.jpg
368 ms
nav_popout_beak_left.png
366 ms
navigation.js
452 ms
url.png
448 ms
print.png
450 ms
image.png
801 ms
bg_heading_teaser_trade.jpg
428 ms
9783504451110_article_product_snippet_1.jpg
313 ms
9783807325149_article_product_snippet_1.jpg
313 ms
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9783658093327_article_product_snippet_1.jpg
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9783955540609_article_product_snippet_1.jpg
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502 ms
9783608948592_article_product_snippet_1.jpg
594 ms
9783956140600_article_product_snippet_1.jpg
594 ms
9783596034437_article_product_snippet_1.jpg
595 ms
image.gif
688 ms
image.png
779 ms
image.png
683 ms
image.png
869 ms
image.png
869 ms
image.png
772 ms
content_shadow_bottom.png
409 ms
image.png
770 ms
ga.js
28 ms
url.js
401 ms
observer.js
491 ms
json.js
491 ms
postMessage.js
495 ms
centerControlInterface.js
493 ms
contextMenu.js
496 ms
cms.js
494 ms
cmsContextMenu.js
573 ms
dragAndDrop.js
574 ms
multipleDragAndDrop.js
579 ms
processingQueue.js
576 ms
wrapperContribution.js
577 ms
disablePageOverlay.js
571 ms
embeddedMode.js
572 ms
dragAndDropResize.js
573 ms
cciEmbeddedWindow.js
578 ms
__utm.gif
23 ms
centerControlContainer$contentItem.js
563 ms
centerControlContainer.js
561 ms
cmsDragAndDrop.js
560 ms
engineInstanceRun.js
571 ms
fieldFunction.js
574 ms
cmsDirector.js
577 ms
encoding.js
581 ms
messageBox.js
579 ms
cmsCenterDragAndDrop.js
575 ms
cmsCenter.js
573 ms
jsRequestDispatcher.ipm
587 ms
empty1x1.gif
580 ms
session.js
97 ms
schweitzer-online.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
schweitzer-online.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
Missing source maps for large first-party JavaScript
schweitzer-online.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 doesn't use legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schweitzer-online.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 Schweitzer-online.de 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.
schweitzer-online.de
Open Graph description is not detected on the main page of Schweitzer Online. 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: