gu.de Website Information
Daily Unique Visits: 7,625
Daily Page Views: 38,125
Income Per Day: $95
Estimated Value: $57,000
This website is located in Germany and is using following IP address 46.235.201.43. See the complete list of popular websites hosted in Germany.
gu.de is registered under .DE top-level domain. Please check other sites in .DE zone.
Website gu.de is using the following name servers:
- b.ns14.net
- a.ns14.net
- c.ns14.net
- d.ns14.net
and is probably hosted by iptoX GmbH. See the full list of other websites hosted by iptoX GmbH.
The highest website gu.de position in Alexa rank database was 25466 and the lowest rank position was 951958. Current position of gu.de in Alexa rank database is 178700.
Desktop speed score of gu.de (33/100) is better than the results of 10.11% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of gu.de (64/100) is better than the results of 11.2% of other sites and means that the page is not mobile-friendly.
Mobile speed score of gu.de (19/100) is better than the results of 4.1% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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gu.de Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
gu.de whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Domain: gu.de
Status: connect
Status: connect
gu.de server information
Servers Location
gu.de desktop page speed rank
Last tested: 2018-07-01
Desktop Speed
Bad
33/100
gu.de Desktop Speed Test Quick Summary
priority - 164Optimize images
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priority - 19Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 182KiB (72% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js could save 115KiB (71% reduction).
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priority - 13Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://cdnjs.cloudflare.com/ajax/libs/cookieconse…9/cookieconsent.min.js
https://track.adform.net/serving/scripts/trackpoint
https://track.adform.net/serving/scripts/trackpoint
Optimize CSS Delivery of the following:
https://www.gu.de/riot-utils/joined.css?files=/sty…le/add2home.css&160816
priority - 8Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css (expiration not specified)
https://www.saferpay.com/OpenSaferpayScript.js (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-NLWNS5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/474778…5019?v=2.8.18&r=stable (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css (expiration not specified)
https://www.saferpay.com/OpenSaferpayScript.js (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-NLWNS5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/474778…5019?v=2.8.18&r=stable (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 9.5KiB (21% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css could save 5KiB (18% reduction).
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priority - 1Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 5.4KiB (25% reduction).
Minifying https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html could save 2.5KiB (38% reduction).
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Minifying https://www.gu.de/ could save 1.4KiB (12% reduction) after compression.
gu.de Desktop Resource Breakdown
| Total Resources | 107 |
| Number of Hosts | 18 |
| Static Resources | 87 |
| JavaScript Resources | 31 |
| CSS Resources | 6 |
gu.de mobile page speed rank
Last tested: 2018-06-15
Mobile Speed
Bad
19/100
gu.de Mobile Speed Test Quick Summary
priority - 279Optimize images
Properly formatting and compressing images can save many bytes of data.
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Compressing https://www.gu.de/style/images/instagram_footer_ico.gif?160816 could save 1.4KiB (19% reduction).
Compressing https://www.gu.de/style/images/but_standard_left.png?160816 could save 411B (35% reduction).
Compressing https://www.gu.de/style/images/but_standard_right.png?160816 could save 371B (36% reduction).
Compressing https://www.gu.de/style/images/select_left.png?160816 could save 341B (34% reduction).
Compressing https://www.gu.de/style/images/input_text_left.png?160816 could save 316B (42% reduction).
Compressing https://www.gu.de/style/images/xbox.png?160816 could save 308B (24% reduction).
Compressing https://www.gu.de/style/images/extralayer_bg_tile.png?160816 could save 275B (54% reduction).
Compressing https://www.gu.de/style/images/slide_selector.png?160816 could save 233B (35% reduction).
Compressing https://www.gu.de/style/images/mainnav_right.png?160816 could save 161B (26% reduction).
Compressing https://www.gu.de/style/images/select_right_wh.png?160816 could save 148B (18% reduction).
Compressing https://www.gu.de/style/images/icons_black_sprite.png?160816 could save 129B (16% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif could save 125B (21% reduction).
Compressing https://www.gu.de/style/images/arrows_sprite.png?160816 could save 119B (27% reduction).
Compressing https://www.gu.de/style/images/mainnav_left.png?160816 could save 115B (14% reduction).
Compressing https://www.gu.de/media/media/87/96397987893230/al…musesorten-941x420.jpg could save 310.6KiB (77% reduction).
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Compressing https://www.gu.de/media/media/130/31423802058233/a…ut_and_pastry_shop.jpg could save 33.5KiB (37% reduction).
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Compressing https://www.gu.de/media/media/118/99381282560249/9783833864308.jpg could save 23.7KiB (71% reduction).
Compressing https://www.gu.de/media/media/101/23334258170838/9783833815775.jpg could save 23.6KiB (72% reduction).
Compressing https://www.gu.de/media/media/130/00210802446412/blumen_gelb.jpg could save 4.5KiB (32% reduction).
Compressing https://www.gu.de/media/media/130/00448141226065/blumen_rosa.jpg could save 3.9KiB (31% reduction).
Compressing https://www.gu.de/media/media/130/17606968028488/blatt.jpg could save 3.8KiB (41% reduction).
Compressing https://www.gu.de/media/media/130/69642262328024/blatt.jpg could save 3.8KiB (41% reduction).
Compressing https://www.gu.de/media/media/130/90031919443265/frau_lesend.jpg could save 3.4KiB (34% reduction).
Compressing https://www.gu.de/media/media/130/18654473097300/t…renz-globuli-hblau.jpg could save 3.3KiB (41% reduction).
Compressing https://www.gu.de/media/media/130/66105699044757/toepfe.jpg could save 3.3KiB (30% reduction).
Compressing https://www.gu.de/media/media/17/36188512326495/buecherregal.jpg could save 3.2KiB (30% reduction).
Compressing https://www.gu.de/style/images/instagram_footer_ico.gif?160816 could save 1.4KiB (19% reduction).
Compressing https://www.gu.de/style/images/but_standard_left.png?160816 could save 411B (35% reduction).
Compressing https://www.gu.de/style/images/but_standard_right.png?160816 could save 371B (36% reduction).
Compressing https://www.gu.de/style/images/select_left.png?160816 could save 341B (34% reduction).
Compressing https://www.gu.de/style/images/input_text_left.png?160816 could save 316B (42% reduction).
Compressing https://www.gu.de/style/images/xbox.png?160816 could save 308B (24% reduction).
Compressing https://www.gu.de/style/images/extralayer_bg_tile.png?160816 could save 275B (54% reduction).
Compressing https://www.gu.de/style/images/slide_selector.png?160816 could save 233B (35% reduction).
Compressing https://www.gu.de/style/images/mainnav_right.png?160816 could save 161B (26% reduction).
Compressing https://www.gu.de/style/images/select_right_wh.png?160816 could save 148B (18% reduction).
Compressing https://www.gu.de/style/images/icons_black_sprite.png?160816 could save 129B (16% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif could save 125B (21% reduction).
Compressing https://www.gu.de/style/images/arrows_sprite.png?160816 could save 119B (27% reduction).
Compressing https://www.gu.de/style/images/mainnav_left.png?160816 could save 115B (14% reduction).
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://cdnjs.cloudflare.com/ajax/libs/cookieconse…9/cookieconsent.min.js
https://track.adform.net/serving/scripts/trackpoint
https://track.adform.net/serving/scripts/trackpoint
Optimize CSS Delivery of the following:
https://www.gu.de/riot-utils/joined.css?files=/sty…le/add2home.css&160816
priority - 19Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 182KiB (72% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js could save 115KiB (71% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css could save 23KiB (79% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js could save 8.8KiB (72% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css could save 6.9KiB (80% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css could save 6.6KiB (81% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js could save 5.7KiB (80% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js could save 5.5KiB (65% reduction).
Compressing https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html could save 4.4KiB (67% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js could save 3.4KiB (67% reduction).
Compressing https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html could save 2.2KiB (59% reduction).
Compressing https://www.saferpay.com/OpenSaferpayScript.js could save 282B (52% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js could save 188B (43% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css could save 23KiB (79% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js could save 8.8KiB (72% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css could save 6.9KiB (80% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css could save 6.6KiB (81% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js could save 5.7KiB (80% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js could save 5.5KiB (65% reduction).
Compressing https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html could save 4.4KiB (67% reduction).
Compressing https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js could save 3.4KiB (67% reduction).
Compressing https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html could save 2.2KiB (59% reduction).
Compressing https://www.saferpay.com/OpenSaferpayScript.js could save 282B (52% reduction).
Compressing https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js could save 188B (43% reduction).
priority - 13Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 123.2KiB (44% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js could save 62.6KiB (40% reduction).
Minifying https://code.jquery.com/jquery-1.10.2.js could save 38.9KiB (50% reduction) after compression.
Minifying https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js could save 7KiB (83% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js could save 6.1KiB (50% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js could save 3.2KiB (64% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js could save 2.9KiB (42% reduction).
Minifying https://www.gu.de/style/js/jquery.easing.js?160816 could save 1.2KiB (59% reduction) after compression.
Minifying https://www.gu.de/style/js/add2home.js?160816 could save 1KiB (19% reduction) after compression.
Minifying https://www.gu.de/style/js/jquery.scrollTo-1.4.3.1-min.js?160816 could save 127B (11% reduction) after compression.
Minifying https://www.saferpay.com/OpenSaferpayScript.js could save 107B (20% reduction).
Minifying https://code.jquery.com/jquery-1.10.2.js could save 38.9KiB (50% reduction) after compression.
Minifying https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js could save 7KiB (83% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js could save 6.1KiB (50% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js could save 3.2KiB (64% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js could save 2.9KiB (42% reduction).
Minifying https://www.gu.de/style/js/jquery.easing.js?160816 could save 1.2KiB (59% reduction) after compression.
Minifying https://www.gu.de/style/js/add2home.js?160816 could save 1KiB (19% reduction) after compression.
Minifying https://www.gu.de/style/js/jquery.scrollTo-1.4.3.1-min.js?160816 could save 127B (11% reduction) after compression.
Minifying https://www.saferpay.com/OpenSaferpayScript.js could save 107B (20% reduction).
priority - 12Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://service.buchversand-stein.de/stShop/filead…ket/end_frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css (expiration not specified)
https://www.saferpay.com/OpenSaferpayScript.js (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-NLWNS5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/474778026025019?v=2.8.16&r=c2 (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://service.buchversand-stein.de/stShop/filead…/basket/frameheight.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…uery.ba-postmessage.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…te/gu/basket/jquery.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…query.waitforimages.js (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css (expiration not specified)
https://service.buchversand-stein.de/stShop/filead…u/basket/pics/cart.gif (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…vascript_757c080409.js (expiration not specified)
https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css (expiration not specified)
https://www.saferpay.com/OpenSaferpayScript.js (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-NLWNS5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/474778026025019?v=2.8.16&r=c2 (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 9.5KiB (21% reduction).
Minifying https://service.buchversand-stein.de/stShop/filead…ate/gu/basket/main.css could save 5KiB (18% reduction).
Minifying https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css could save 2.6KiB (32% reduction).
Minifying https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css could save 1.9KiB (23% reduction).
Minifying https://service.buchversand-stein.de/stShop/typo3c…e/res/css/commerce.css could save 2.6KiB (32% reduction).
Minifying https://service.buchversand-stein.de/stShop/typo3t…lesheet_d33786ba80.css could save 1.9KiB (23% reduction).
priority - 1Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 5.4KiB (25% reduction).
Minifying https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html could save 2.5KiB (38% reduction).
Minifying https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html could save 1.5KiB (41% reduction).
Minifying https://www.gu.de/ could save 1.4KiB (13% reduction) after compression.
Minifying https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html could save 1.5KiB (41% reduction).
Minifying https://www.gu.de/ could save 1.4KiB (13% reduction) after compression.
gu.de Mobile Resource Breakdown
| Total Resources | 108 |
| Number of Hosts | 19 |
| Static Resources | 88 |
| JavaScript Resources | 31 |
| CSS Resources | 6 |
gu.de mobile page usability
Last tested: 2018-06-15
Mobile Usability
Bad
64/100
gu.de Mobile Usability Test Quick Summary
priority - 37Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
OK! renders only 7 pixels tall (17 CSS pixels).Diese Webseite…on Cookies zu. renders only 7 pixels tall (17 CSS pixels).Mehr Information renders only 7 pixels tall (17 CSS pixels).Ratgeber vom Marktführer GU renders only 6 pixels tall (15 CSS pixels).Zu vielen unse…tgeber kaufen. and 5 others render only 4 pixels tall (11 CSS pixels).Schlank im Schlaf renders only 4 pixels tall (11 CSS pixels).Ratgeber mit d…ätsversprechen and 1 others render only 5 pixels tall (13 CSS pixels).Ihr Warenkorb renders only 6 pixels tall (16 CSS pixels).eBooks & Apps and 4 others render only 7 pixels tall (17 CSS pixels).Newsletter renders only 4 pixels tall (11 CSS pixels).Mein Konto and 1 others render only 4 pixels tall (11 CSS pixels).Meine Merkliste renders only 4 pixels tall (11 CSS pixels).Vom perfekten…er Sex wissen! and 5 others render only 7 pixels tall (18 CSS pixels).Mehr erfahren! renders only 5 pixels tall (12 CSS pixels).Trailer zu Dr.…tervallfasten" and 7 others render only 6 pixels tall (16 CSS pixels).Das große Buch…chwangerschaft and 5 others render only 6 pixels tall (16 CSS pixels).Die Zufriedenh…itätsgarantie. and 41 others render only 5 pixels tall (13 CSS pixels).Zu den Zitaten and 6 others render only 5 pixels tall (12 CSS pixels).hier renders only 5 pixels tall (13 CSS pixels).Intervallfaste…ht - GU Verlag renders only 7 pixels tall (18 CSS pixels).Your browser d…ats available. renders only 5 pixels tall (14 CSS pixels).Click here to…t HTML5 video. renders only 5 pixels tall (14 CSS pixels).Besuchen Sie GU auf: renders only 6 pixels tall (15 CSS pixels).© Gräfe und Unzer renders only 6 pixels tall (15 CSS pixels).AGB und Widerrufsbelehrung and 3 others render only 6 pixels tall (15 CSS pixels).priority - 10Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="#null" class="cc_btn cc_btn_accept_all">OK!</a> is close to 1 other tap targets.The tap target
<input type="submit" class="search-submit"> is close to 2 other tap targets.The tap target
<a href="/detailsuche/">Detailsuche</a> and 1 others are close to other tap targets.The tap target
<a href="/"> is close to 1 other tap targets.The tap target
<a href="javascript:;" class="newsletter">Newsletter</a> is close to 2 other tap targets.The tap target
<a href="/checkout/acco…account-login/" class="konto">Mein Konto</a> and 1 others are close to other tap targets.The tap target
<a href="javascript:;" class="merkliste jsMerklisteBtn">Meine Merkliste</a> is close to 1 other tap targets.The tap target
<a href="javascript:;" class="dot active"> and 1 others are close to other tap targets.The tap target
<a href="javascript:;" class="dot"> and 6 others are close to other tap targets.The tap target
<button class="ytp-watch-late…ton ytp-button"></button> and 1 others are close to other tap targets.The tap target
<a href="/buecher/bewus…nt-das-glueck/" class="button-right">Zum Buch</a> is close to 1 other tap targets.The tap target
<a href="https://www.yo…?feature=watch"></a> and 37 others are close to other tap targets.The tap target
<a href="/buecher/">Bücher</a> and 4 others are close to other tap targets.The tap target
<a href="/service/faq/" class="strong">FAQ</a> is close to 1 other tap targets.priority - 10Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
gu.de HTML validation
Errors
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Line: 1 Column: 1 - 122
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Line: 2 Column: 123 - 44
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Line: 18 Column: - 29
"...e=msvalidate.01" content="1F57..."
"...e=msvalidate.01" content="1F57..."
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 97 Column: 17 - 212
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..."
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 97 Column: 17 - 212
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..." Line: 1057 Column: 25 - 164
"... <iframe src="https://www.youtube.com/embed/Kne1mLlol4Q?rel=0&showinfo=0?wmode=transparent" frameborder="0" height="240" allowfullscreen></ifra..."
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..." Line: 1057 Column: 25 - 164
"... <iframe src="https://www.youtube.com/embed/Kne1mLlol4Q?rel=0&showinfo=0?wmode=transparent" frameborder="0" height="240" allowfullscreen></ifra..."
The element “iframe” must not appear as a descendant of the “a” element.
Line: 97 Column: 17 - 212
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..."
"... <iframe class="empty" id="shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/mini-warenkorb.html" width="150" height="20" name="shoppingcart" scrolling="no" frameborder="0"></ifra..." Line: 98 Column: 21 - 231
"... <iframe id="hidden-shoppingcart" src="https://service.buchversand-stein.de/stShop/gu/nc/shop/warenkorb.html" width="0" height="0" name="hidden-shoppingcart" scrolling="no" frameborder="0" style="display: none;"></ifra..."
Attribute “url” not allowed on element “div” at this point.
Line: 104 Column: 9 - 99
"...> <div class="jsOptionsQuicksearch" url="/ajax/search-autosuggest.html" style="display:none"></div>..." Line: 526 Column: 17 - 106
"... <div class="jsNewsletterOptions" url="/ajax/submit-newsletter.html" style="display:none;"></div>..." Line: 1202 Column: 9 - 74
"...> <div id="footer-menu" class="footer-menu" url="/ajax/footer.html"></div>..."
"...> <div class="jsOptionsQuicksearch" url="/ajax/search-autosuggest.html" style="display:none"></div>..." Line: 526 Column: 17 - 106
"... <div class="jsNewsletterOptions" url="/ajax/submit-newsletter.html" style="display:none;"></div>..." Line: 1202 Column: 9 - 74
"...> <div id="footer-menu" class="footer-menu" url="/ajax/footer.html"></div>..."
Attribute “height” not allowed on element “table” at this point.
Line: 536 Column: 22 - 54
"... <table width="100%" height="345"> ..."
"... <table width="100%" height="345"> ..."
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Line: 536 Column: 22 - 54
"... <table width="100%" height="345"> ..."
"... <table width="100%" height="345"> ..."
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Line: 538 Column: 26 - 55
"... <tr> <td valign="top" height="50%"> <..."
"... <tr> <td valign="top" height="50%"> <..."
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Line: 538 Column: 26 - 55
"... <tr> <td valign="top" height="50%"> <..."
"... <tr> <td valign="top" height="50%"> <..."
Attribute “defaultvalue” not allowed on element “input” at this point.
Line: 546 Column: 5 - 92
"...bel> <input id="nl_vorname" type="text" name="nl_vorname" value="" defaultValue="" class=""/> ..." Line: 550 Column: 5 - 94
"...bel> <input id="nl_nachname" type="text" name="nl_nachname" value="" defaultValue="" class=""/> ..." Line: 554 Column: 5 - 88
"...bel> <input id="nl_email" type="text" name="nl_email" value="" defaultValue="" class=""/> ..." Line: 558 Column: 5 - 126
"...den"> <input id="nl_strasse" type="text" name="nl_strasse" value="Strasse / Hausnr." defaultValue="Strasse / Hausnr." class=""/> ..." Line: 560 Column: 5 - 90
".../div> <input id="nl_plz" type="text" name="nl_plz" value="PLZ" defaultValue="PLZ" class=""/> ..." Line: 562 Column: 5 - 98
".../div> <input id="nl_stadt" type="text" name="nl_stadt" value="Stadt" defaultValue="Stadt" class=""/> ..."
"...bel> <input id="nl_vorname" type="text" name="nl_vorname" value="" defaultValue="" class=""/> ..." Line: 550 Column: 5 - 94
"...bel> <input id="nl_nachname" type="text" name="nl_nachname" value="" defaultValue="" class=""/> ..." Line: 554 Column: 5 - 88
"...bel> <input id="nl_email" type="text" name="nl_email" value="" defaultValue="" class=""/> ..." Line: 558 Column: 5 - 126
"...den"> <input id="nl_strasse" type="text" name="nl_strasse" value="Strasse / Hausnr." defaultValue="Strasse / Hausnr." class=""/> ..." Line: 560 Column: 5 - 90
".../div> <input id="nl_plz" type="text" name="nl_plz" value="PLZ" defaultValue="PLZ" class=""/> ..." Line: 562 Column: 5 - 98
".../div> <input id="nl_stadt" type="text" name="nl_stadt" value="Stadt" defaultValue="Stadt" class=""/> ..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 670 Column: 63 - 128
"...="jsLink"><img src="/style/images/blank.gif?160816" class="jsTeaserImage" /></a> ..." Line: 681 Column: 86 - 128
"...:hidden;"><img src="/style/images/xbox.png?160816" /></div>..." Line: 720 Column: 154 - 233
"...-gesund/"><img src="https://www.gu.de/media/media/118/99381282560249/9783833864308.jpg" /></a> ..." Line: 739 Column: 166 - 245
"...fschule/"><img src="https://www.gu.de/media/media/127/59094131634998/9783833861413.jpg" /></a> ..." Line: 1193 Column: 107 - 175
"...="_blank"><img src="/style/images/youtube_footer_ico.gif?160816" height="32" /></a></..." Line: 1194 Column: 83 - 153
"...="_blank"><img src="/style/images/pinterest_footer_ico.gif?160816" height="30" /></a></..." Line: 1195 Column: 86 - 156
"...="_blank"><img src="/style/images/instagram_footer_ico.gif?160816" height="30" /></a></..." Line: 1196 Column: 84 - 153
"...="_blank"><img src="/style/images/facebook_footer_ico.jpg?160816" height="30" /></a></..."
"...="jsLink"><img src="/style/images/blank.gif?160816" class="jsTeaserImage" /></a> ..." Line: 681 Column: 86 - 128
"...:hidden;"><img src="/style/images/xbox.png?160816" /></div>..." Line: 720 Column: 154 - 233
"...-gesund/"><img src="https://www.gu.de/media/media/118/99381282560249/9783833864308.jpg" /></a> ..." Line: 739 Column: 166 - 245
"...fschule/"><img src="https://www.gu.de/media/media/127/59094131634998/9783833861413.jpg" /></a> ..." Line: 1193 Column: 107 - 175
"...="_blank"><img src="/style/images/youtube_footer_ico.gif?160816" height="32" /></a></..." Line: 1194 Column: 83 - 153
"...="_blank"><img src="/style/images/pinterest_footer_ico.gif?160816" height="30" /></a></..." Line: 1195 Column: 86 - 156
"...="_blank"><img src="/style/images/instagram_footer_ico.gif?160816" height="30" /></a></..." Line: 1196 Column: 84 - 153
"...="_blank"><img src="/style/images/facebook_footer_ico.jpg?160816" height="30" /></a></..."
Bad value “1” for attribute “rel” on element “a”: The string “1” is not a registered keyword.
Line: 773 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="1"></a> ..." Line: 1032 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="1"></a> ..."
"... <a class="dot" href="javascript:;" rel="1"></a> ..." Line: 1032 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="1"></a> ..."
Bad value “2” for attribute “rel” on element “a”: The string “2” is not a registered keyword.
Line: 774 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="2"></a> ..." Line: 1033 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="2"></a> ..."
"... <a class="dot" href="javascript:;" rel="2"></a> ..." Line: 1033 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="2"></a> ..."
Bad value “3” for attribute “rel” on element “a”: The string “3” is not a registered keyword.
Line: 775 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="3"></a> ..." Line: 1034 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="3"></a> ..."
"... <a class="dot" href="javascript:;" rel="3"></a> ..." Line: 1034 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="3"></a> ..."
Bad value “4” for attribute “rel” on element “a”: The string “4” is not a registered keyword.
Line: 776 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="4"></a> ..." Line: 1035 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="4"></a> ..."
"... <a class="dot" href="javascript:;" rel="4"></a> ..." Line: 1035 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="4"></a> ..."
Bad value “5” for attribute “rel” on element “a”: The string “5” is not a registered keyword.
Line: 1036 Column: 16 - 58
"... <a class="dot" href="javascript:;" rel="5"></a> ..."
"... <a class="dot" href="javascript:;" rel="5"></a> ..."
Bad value “https:///www.instagram.com/gu.verlag” for attribute “href” on element “a”: Unexpected slash or backslash.
Line: 1195 Column: 23 - 85
"...ss="icon"><a href="https:///www.instagram.com/gu.verlag" target="_blank"><img s..."
"...ss="icon"><a href="https:///www.instagram.com/gu.verlag" target="_blank"><img s..."
Warnings
Attribute “xmlns” is not serializable as XML 1.0.
Line: 2 Column: 123 - 44
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Line: 1297 Column: 3 - 55
"...END --> <script type="text/javascript" language="JavaScript"> //..."
"...END --> <script type="text/javascript" language="JavaScript"> //..."
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
Line: 2 Column: 123 - 44
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml"> <head..."
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gu.de Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
gu.de TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.