7.5 sec in total
380 ms
6.8 sec
269 ms
Welcome to seibert-verlag.de homepage info - get ready to check Seibert Verlag best content for United States right away, or after learning these important things about seibert-verlag.de
Seibert Verlag - Klassenbuch, Kursbuch, Formulare, Lehrerkalender für Schulen, Berichtsheft für alle IHK und Handwerkskammern
Visit seibert-verlag.deWe analyzed Seibert-verlag.de page load time and found that the first response time was 380 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
seibert-verlag.de performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value4.4 s
39/100
25%
Value11.3 s
5/100
10%
Value300 ms
79/100
30%
Value0.799
5/100
15%
Value27.2 s
0/100
10%
380 ms
584 ms
253 ms
313 ms
539 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 86% of them (73 requests) were addressed to the original Seibert-verlag.de, 5% (4 requests) were made to Google-analytics.com and 2% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Seibert-verlag.de.
Page size can be reduced by 851.8 kB (39%)
2.2 MB
1.4 MB
In fact, the total size of Seibert-verlag.de main page is 2.2 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 48.7 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 9.5 kB, which is 15% 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 48.7 kB or 78% of the original size.
Potential reduce by 309.3 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, Seibert Verlag needs image optimization as it can save up to 309.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 280.9 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 280.9 kB or 65% of the original size.
Potential reduce by 212.9 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. Seibert-verlag.de needs all CSS files to be minified and compressed as it can save up to 212.9 kB or 82% of the original size.
Number of requests can be reduced by 48 (58%)
83
35
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seibert Verlag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and as a result speed up the page load time.
seibert-verlag.de
380 ms
www.seibert-verlag.de
584 ms
253 ms
package-sf.css
313 ms
package-sf.js
539 ms
StorefrontStyle_16.css
340 ms
plusone.js
61 ms
style-ie.css
208 ms
de-DE.js
201 ms
EUR.js
230 ms
string.js
229 ms
browser.js
228 ms
scope.js
229 ms
json.js
397 ms
base64.js
399 ms
inject-sec-token.js
401 ms
cookie.js
400 ms
button.js
393 ms
draggable.js
394 ms
resizable.js
599 ms
$pub.js
589 ms
class.js
594 ms
mime.js
596 ms
$dict.js
597 ms
core.js
602 ms
support.js
784 ms
$tmpl.js
787 ms
load.js
792 ms
touch.js
793 ms
version.js
796 ms
validate.js
793 ms
storage.js
988 ms
de_epages.js
980 ms
ga.js
24 ms
cb=gapi.loaded_0
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de-pp-logo-150px.png
80 ms
Logo139x70_epages_deutsch.gif
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Caritasbox_banner_s.jpg
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Logo_Dresden_Titans.png
896 ms
Logo_Dresdner_Eisloewen-1.jpg
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partnerlogo_r.png
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FD_start_10_2012.png
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Umschlag2015-16_m.jpg
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B240gelb_m.jpg
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B511_m.jpg
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sdk.js
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B707_m.jpg
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Kursheft-dunkelblau_m.png
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Klassenbuch_Broschuere_blau_m.png
2005 ms
Minibaelle-2015_m.jpg
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Gruppenbuch_m.png
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__utm.gif
38 ms
inpage_linkid.js
6 ms
__utm.gif
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suggest.js
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$ready.js
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energylabel.js
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utf8.js
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24529_m.gif
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xd_arbiter.php
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Banner_anni.gif
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bgr_top_button_active.png
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bgr_top_button.png
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dict.de.json
1945 ms
bgr_top_button_floatin.png
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bgr_left.png
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bgr_left_boxbody_floatin.png
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bgr_left_boxbody.png
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bgr_left_boxhead.png
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ico_s_search.png
2005 ms
img_actionlink.png
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img_content_separatorline.png
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ico_s_printer.png
1952 ms
bgr_footer_floatin.png
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bgr_footer.png
2094 ms
dictionary.de.json
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img_tree_empty.png
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img_tree_plus.png
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a.js
2075 ms
seibert-verlag.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
Links do not have a discernible name
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.
seibert-verlag.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
seibert-verlag.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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seibert-verlag.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 Seibert-verlag.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.
seibert-verlag.de
Open Graph description is not detected on the main page of Seibert Verlag. 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: