3.7 sec in total
378 ms
3.1 sec
194 ms
Visit schulbuchportal.de now to see the best up-to-date Schulbuchportal content and also check out these interesting facts you probably never knew about schulbuchportal.de
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Visit schulbuchportal.deWe analyzed Schulbuchportal.de page load time and found that the first response time was 378 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
schulbuchportal.de performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value3.0 s
77/100
25%
Value2.8 s
96/100
10%
Value130 ms
96/100
30%
Value0.272
45/100
15%
Value3.0 s
96/100
10%
378 ms
1143 ms
109 ms
445 ms
349 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Schulbuchportal.de, 85% (34 requests) were made to Bildungswelten.info and 8% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Bildungswelten.info.
Page size can be reduced by 758.0 kB (58%)
1.3 MB
552.8 kB
In fact, the total size of Schulbuchportal.de main page is 1.3 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. 55% of websites need less resources to load. Javascripts take 741.3 kB which makes up the majority of the site volume.
Potential reduce by 40.4 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 40.4 kB or 68% of the original size.
Potential reduce by 82.7 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, Schulbuchportal needs image optimization as it can save up to 82.7 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 495.2 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 495.2 kB or 67% of the original size.
Potential reduce by 139.8 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. Schulbuchportal.de needs all CSS files to be minified and compressed as it can save up to 139.8 kB or 85% of the original size.
Number of requests can be reduced by 12 (34%)
35
23
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schulbuchportal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
schulbuchportal.de
378 ms
www.bildungswelten.info
1143 ms
widgetkit-e379f32b.css
109 ms
mootools-core.js
445 ms
core.js
349 ms
k2.js
350 ms
caption.js
350 ms
jquery.js
480 ms
widgetkit-6e5abca9.js
211 ms
theme.css
429 ms
uikit.js
477 ms
social.js
477 ms
theme.js
521 ms
custom.css
533 ms
addthis_widget.js
474 ms
lightbox.js
642 ms
mediaelement-and-player.js
656 ms
spotlight.js
649 ms
logo.png
634 ms
actions.png
619 ms
1platzhalter_slider_dossier-e0fc97b2ae.jpg
627 ms
bw_teaser_bildungsmedienherstellung.jpg
668 ms
platzhalter_frage_300_werschreibt.jpg
626 ms
platzhalter_300_didacta.jpg
627 ms
platzhalter_300_zahlenbitte.jpg
626 ms
slideshow.js
169 ms
boost
97 ms
300lo.json
90 ms
481.d042d669bf1d3e816d0e.js
85 ms
readmore_dossier.png
144 ms
readmore_fragen.png
140 ms
readmore_termin_a.png
144 ms
readmore_news.png
137 ms
replicaprobold.woff
214 ms
fontawesome-webfont.woff
217 ms
replicaprolight.woff
348 ms
sh.07f0d9bf220d07a763adad1e.html
57 ms
2platzhalter_slider_frage-8a5a08a2b3.jpg
217 ms
platzhalter_slider_didacta_2017-b7360d117e.jpg
111 ms
platzhalter_slider_lehrenlernen-db31dff123.jpg
214 ms
schulbuchportal.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.
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
<frame> or <iframe> elements do not have a title
schulbuchportal.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
schulbuchportal.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schulbuchportal.de 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 German language. Our system also found out that Schulbuchportal.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.
schulbuchportal.de
Open Graph description is not detected on the main page of Schulbuchportal. 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: