GFZ-POTSDAM.DE Startseite: GFZ

gfz-potsdam.de Website Information

Daily Unique Visits: 83,682

Daily Page Views: 502,092

Income Per Day: $1,004

Estimated Value: $722,880

This website is located in Germany and is using following IP address 139.17.229.15. See the complete list of popular websites hosted in Germany.

gfz-potsdam.de is registered under .DE top-level domain. Please check other sites in .DE zone.

Website gfz-potsdam.de is using the following name servers:

  • zrt2.gfz-potsdam.de
  • ns.tu-berlin.de
  • zrt7b.gfz-potsdam.de
  • zrt7.gfz-potsdam.de

and is probably hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. See the full list of other websites hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V..

The highest website gfz-potsdam.de position in Alexa rank database was 9858 and the lowest rank position was 921263. Current position of gfz-potsdam.de in Alexa rank database is 17139.

Desktop speed score of gfz-potsdam.de (26/100) is better than the results of 6.47% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of gfz-potsdam.de (66/100) is better than the results of 14.96% of other sites and means that the page is not mobile-friendly.

Mobile speed score of gfz-potsdam.de (22/100) is better than the results of 5.33% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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gfz-potsdam.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.


gfz-potsdam.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: gfz-potsdam.de
Status: connect

gfz-potsdam.de server information

Servers Location

gfz-potsdam.de desktop page speed rank

Last tested: 2017-01-02


Desktop Speed Bad
26/100

gfz-potsdam.de Desktop Speed Test Quick Summary


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priority - 23Enable compression

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priority - 16Leverage 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.

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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http://www.gfz-potsdam.de/typo3conf/ext/sk_fancybo…3.4.pack.js?1352365724
http://www.gfz-potsdam.de/fileadmin/templates/js/searchform.js?1477550920
http://www.gfz-potsdam.de/fileadmin/templates/js/misc.js?1386317850
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Optimize CSS Delivery of the following:

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http://www.gfz-potsdam.de/fileadmin/templates/css/tt_news.css?1454925291
http://netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css
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http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css
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priority - 3Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

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http://www.gfz-potsdam.de//
http://www.gfz-potsdam.de/startseite/

priority - 2Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

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priority - 1Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

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priority - 0Minify 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 4.3KiB (13% reduction).

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priority - 0Reduce server response time

gfz-potsdam.de Desktop Resource Breakdown

Total Resources60
Number of Hosts6
Static Resources36
JavaScript Resources9
CSS Resources11

gfz-potsdam.de mobile page speed rank

Last tested: 2017-01-02


Mobile Speed Bad
22/100

gfz-potsdam.de Mobile Speed Test Quick Summary


priority - 232Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 2.2MiB (56% reduction).

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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.gfz-potsdam.de/typo3conf/ext/sk_fancybo….4.4.min.js?1352365724
http://www.gfz-potsdam.de/typo3conf/ext/sk_fancybo…3.4.pack.js?1352365724
http://www.gfz-potsdam.de/fileadmin/templates/js/searchform.js?1477550920
http://www.gfz-potsdam.de/fileadmin/templates/js/misc.js?1386317850
http://www.gfz-potsdam.de/fileadmin/templates/js/v…om.98043.js?1406807697
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Optimize CSS Delivery of the following:

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http://www.gfz-potsdam.de/typo3conf/ext/sk_fancybo…x-1.3.4.css?1352365724
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http://www.gfz-potsdam.de/fileadmin/templates/css/template.css?1455888965
http://www.gfz-potsdam.de/fileadmin/templates/css/gfz_text.css?1460112642
http://www.gfz-potsdam.de/fileadmin/templates/css/tt_news.css?1454925291
http://netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css
http://www.gfz-potsdam.de/fileadmin/templates/exte…dernews.css?1414677682
http://www.gfz-potsdam.de/fileadmin/templates/exte…css/cal.css?1362997366
http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css
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priority - 24Leverage 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:

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http://webstats.gfz-potsdam.de/piwik.js (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/exte…mages/b_next_white.png (expiration not specified)
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http://www.gfz-potsdam.de/fileadmin/templates/images/background.gif (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/images/logo_gfz_de.gif (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/imag…tz_gemeinschaft_de.gif (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/images/meta_kontakt.gif (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/images/meta_sitemap.gif (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/imag…dslogo_rgb_w50_h50.png (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/images/search_gray.png (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/imag…_Logo_SVG_klein_de.svg (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/imag…marke_SVG_klein_de.svg (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/imag…mholtz_Logo_SVG_de.svg (expiration not specified)
http://www.gfz-potsdam.de/fileadmin/templates/images/wordmark_gfz_de.gif (expiration not specified)
http://www.gfz-potsdam.de/typo3conf/ext/t3s_jslide…ges/load-indicator.gif (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/20161228_Gefahr_d1fa437586.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/ESKP_Logo_02_12bba5c4fc.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/FFGFZ_Logo_02_b1118131ab.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/FroheWeih…der2016_d0bfa7c0bf.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/GeoX_Logo_02_c3bf7d98d7.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/ICDP_Logo3_ce1e268805.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Kachel_Me…1617_01_133d752f50.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Neuestes_…nPreise_15cfaa4872.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Neuestes_WSM2016_40bcde66d8.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/PM_Erosio…urowski_032a28760d.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/PM_Watten…pengler_972a36f995.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Personali…tung_01_3594aa163e.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Personali…sEGU_01_446654cfc8.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/Publikums…der2016_b846dae1ba.png (expiration not specified)
http://www.gfz-potsdam.de/typo3temp/pics/SekLeitun…zcik_01_e8e0f0b386.png (expiration not specified)

priority - 23Enable 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 226.9KiB (69% reduction).

Compressing http://www.gfz-potsdam.de/typo3conf/ext/sk_fancybo….4.4.min.js?1352365724 could save 50.3KiB (65% reduction).
Compressing http://webstats.gfz-potsdam.de/piwik.js could save 35.8KiB (65% reduction).
Compressing http://www.gfz-potsdam.de/startseite/ could save 28.4KiB (80% reduction).
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priority - 10Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://gfz-potsdam.de/
http://www.gfz-potsdam.de//
http://www.gfz-potsdam.de/startseite/

priority - 2Minify 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 19.2KiB (31% reduction).

Minifying http://www.gfz-potsdam.de/fileadmin/templates/css/template.css?1455888965 could save 9.1KiB (38% reduction).
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Minifying http://www.gfz-potsdam.de/fileadmin/templates/css/gfz_text.css?1460112642 could save 1.4KiB (31% reduction).
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priority - 1Minify 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 12.3KiB (38% reduction).

Minifying http://www.gfz-potsdam.de/typo3conf/ext/t3s_jslide…idernews.js?1353596736 could save 5KiB (28% reduction).
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Minifying http://www.gfz-potsdam.de/fileadmin/templates/js/searchform.js?1477550920 could save 1.6KiB (45% reduction).
Minifying http://www.gfz-potsdam.de/typo3temp/javascript_710d81180c.js?1412857527 could save 1.1KiB (38% reduction).

priority - 0Minify 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 4.3KiB (13% reduction).

Minifying http://www.gfz-potsdam.de/startseite/ could save 4.3KiB (13% reduction).

priority - 0Reduce server response time

gfz-potsdam.de Mobile Resource Breakdown

Total Resources60
Number of Hosts6
Static Resources36
JavaScript Resources9
CSS Resources11

gfz-potsdam.de mobile page usability

Last tested: 2017-01-02


Mobile Usability Medium
66/100

gfz-potsdam.de Mobile Usability Test Quick Summary


priority - 40Use 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.

Datenschutz and 2 others render only 3 pixels tall (9 CSS pixels).

| and 4 others render only 3 pixels tall (9 CSS pixels).

English renders only 3 pixels tall (9 CSS pixels).

Wissenschaftli…Infrastruktur and 6 others render only 6 pixels tall (15 CSS pixels).

| and 3 others render only 6 pixels tall (15 CSS pixels).

Meldungen aus dem GFZ renders only 5 pixels tall (14 CSS pixels).

DAS GFZ WÜNSCHT ALLEN: renders only 4 pixels tall (12 CSS pixels).

Frohe Weihnach…Start für 2017 renders only 4 pixels tall (11 CSS pixels).

Im Wissenschaf…Thema forschen and 3 others render only 4 pixels tall (11 CSS pixels).

mehr... and 3 others render only 4 pixels tall (11 CSS pixels).

Pressemitteilungen renders only 6 pixels tall (15 CSS pixels).

3D-Modelle für…tz aus dem All and 2 others render only 4 pixels tall (10 CSS pixels).

| and 2 others render only 4 pixels tall (10 CSS pixels).

16.12.2016 and 2 others render only 4 pixels tall (10 CSS pixels).

Ausschreibungen und Vergaben and 14 others render only 4 pixels tall (11 CSS pixels).

Informationen für renders only 6 pixels tall (15 CSS pixels).

Nachwuchswissen- and 6 others render only 4 pixels tall (12 CSS pixels).

24. Mrz - and 7 others render only 4 pixels tall (10 CSS pixels).

ICLEA Abschlus…d Mitteleuropa and 4 others render only 4 pixels tall (10 CSS pixels).

Kontakt: renders only 4 pixels tall (10 CSS pixels).

Deutsches GeoF…ngsZentrum GFZ and 5 others render only 4 pixels tall (10 CSS pixels).

© Helmholtz-Zentrum Potsdam - renders only 3 pixels tall (9 CSS pixels).

Deutsches GeoF…ngsZentrum GFZ renders only 3 pixels tall (9 CSS pixels).

priority - 10Configure the viewport

Your page specifies a fixed-width desktop viewport. Use a responsive viewport to allow your page to render properly on all devices.

priority - 3Size 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="http://www.gfz…de/startseite/">Startseite</a> and 2 others are close to other tap targets.

The tap target <a href="javascript:lin….qputebn/ef&#39;);"></a> and 1 others are close to other tap targets.

The tap target <a href="http://www.gfz…am.de/en/home/">English</a> is close to 2 other tap targets.

The tap target <object></object> is close to 1 other tap targets.

The tap target <a href="http://www.gfz…rum/ueber-uns/">Zentrum</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.gfz…-wissenschaft/">Graffiti für die Wissenschaft</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.gfz…er/ueberblick/" class="internal-link">Unternehmen</a> and 6 others are close to other tap targets.

The tap target <a href="http://www.gfz…s-gfz-wird-25/">18. Jan</a> and 2 others are close to other tap targets.

The tap target <a href="http://www.gfz…s-gfz-wird-25/">Neujahrsempfan…as GFZ wird 25</a> and 9 others are close to other tap targets.

The tap target <a href="http://www.erf…tor-familie.de"></a> is close to 2 other tap targets.

gfz-potsdam.de HTML validation

Errors

Bad value “100%” for attribute “height” on element “object”: Expected a digit but saw “%” instead.

Line: 52 Column: 108 - 253
"...s="svg"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/GFZ_Logo_SVG_klein_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..." Line: 53 Column: 29 - 179
"...arkGFZ"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/GFZ_Wortmarke_SVG_klein_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..." Line: 198 Column: 528 - 673
"...vg"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/Helmholtz_Logo_SVG_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..."

Bad value “100%” for attribute “width” on element “object”: Expected a digit but saw “%” instead.

Line: 52 Column: 108 - 253
"...s="svg"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/GFZ_Logo_SVG_klein_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..." Line: 53 Column: 29 - 179
"...arkGFZ"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/GFZ_Wortmarke_SVG_klein_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..." Line: 198 Column: 528 - 673
"...vg"> <object data="http://www.gfz-potsdam.de/fileadmin/templates/images/svg/Helmholtz_Logo_SVG_de.svg" type="image/svg+xml" height="100%" width="100%"><img s..."

The element “header” must not appear as a descendant of the “header” element.

Line: 107 Column: 107 - 147
"...eader-n1"><header class="csc-header csc-header-n1"><h2 cl..." Line: 191 Column: 115 - 155
"...eader-n1"><header class="csc-header csc-header-n1"><h2 cl..." Line: 192 Column: 129 - 169
"...eader-n1"><header class="csc-header csc-header-n1"><h2 cl..."

Warnings

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

Line: 105 Column: 769 - 777
"...pic-text"><article><p cla..."

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gfz-potsdam.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.


gfz-potsdam.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.