oper.koeln Website Information
Daily Unique Visits: 2,563
Daily Page Views: 7,689
Income Per Day: $23
Estimated Value: $8,280
oper.koeln is registered under .KOELN top-level domain. Please check other sites in .KOELN zone.
No name server records were found.
and is probably hosted by Hetzner Online GmbH. See the full list of other websites hosted by Hetzner Online GmbH.
The highest website oper.koeln position in Alexa rank database was 52226 and the lowest rank position was 999978. Current position of oper.koeln in Alexa rank database is 419613.
Desktop speed score of oper.koeln (69/100) is better than the results of 49.24% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of oper.koeln (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of oper.koeln (57/100) is better than the results of 48.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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oper.koeln 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.
oper.koeln 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.
oper.koeln server information
Servers Location
oper.koeln desktop page speed rank
Last tested: 2015-12-29
Desktop Speed
Medium
69/100
oper.koeln Desktop Speed Test Quick Summary
priority - 20Leverage browser caching
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Leverage browser caching for the following cacheable resources:
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http://www.oper.koeln/static/js/search.js (60 minutes)
http://www.oper.koeln/static/js/slick.min.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 7Reduce server response time
priority - 4Optimize images
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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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priority - 0Minify 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 2.9KiB (32% reduction).
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priority - 0Minify 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 883B (24% reduction).
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oper.koeln Desktop Resource Breakdown
| Total Resources | 47 |
| Number of Hosts | 6 |
| Static Resources | 40 |
| JavaScript Resources | 14 |
| CSS Resources | 7 |
oper.koeln mobile page speed rank
Last tested: 2019-11-02
Mobile Speed
Bad
57/100
oper.koeln Mobile Speed Test Quick Summary
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
http://www.oper.koeln/static/css/fonts-import.css
http://hello.myfonts.net/count/2e3b24
http://www.oper.koeln/static/css/normalize.css
http://www.oper.koeln/static/css/foundation.css
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priority - 29Leverage 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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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://oper.koeln/
http://www.oper.koeln/
http://www.oper.koeln/de/
http://www.oper.koeln/
http://www.oper.koeln/de/
priority - 3Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 33.1KiB (14% reduction).
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priority - 0Minify 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 3.2KiB (30% reduction).
Minifying http://www.oper.koeln/static/css/normalize.css could save 1.3KiB (61% reduction) after compression.
Minifying http://www.oper.koeln/static/css/foundation.css could save 1KiB (17% reduction) after compression.
Minifying http://www.oper.koeln/static/css/fonts-import.css could save 620B (65% reduction) after compression.
Minifying http://www.oper.koeln/static/css/jquery.fancybox.css could save 230B (17% reduction) after compression.
Minifying http://www.oper.koeln/static/css/foundation.css could save 1KiB (17% reduction) after compression.
Minifying http://www.oper.koeln/static/css/fonts-import.css could save 620B (65% reduction) after compression.
Minifying http://www.oper.koeln/static/css/jquery.fancybox.css could save 230B (17% reduction) after compression.
priority - 0Minify 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 883B (24% reduction).
Minifying http://www.oper.koeln/static/js/jquery.plugins.js could save 883B (24% reduction) after compression.
oper.koeln Mobile Resource Breakdown
| Total Resources | 48 |
| Number of Hosts | 5 |
| Static Resources | 39 |
| JavaScript Resources | 13 |
| CSS Resources | 7 |
oper.koeln mobile page usability
Last tested: 2019-11-02
Mobile Usability
Good
96/100
oper.koeln Mobile Usability Test Quick Summary
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
<li class="slick-active">1</li> and 5 others are close to other tap targets.The tap target
<button type="button">1</button> is close to 2 other tap targets.The tap target
<button type="button">2</button> and 4 others are close to other tap targets.The tap target
<a href="http://buehnen…ln/datenschutz">Datenschutz</a> and 1 others are close to other tap targets.oper.koeln HTML validation
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 13 Column: 2 - 128
"...llow" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0" /> <me..."
"...llow" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0" /> <me..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 865 Column: 3 - 71
"...ere --> <script src="/static/js/jquery-1.11.2.min.js" type="text/javascript"></scri..." Line: 866 Column: 3 - 76
"...script> <script src="/static/js/modernizr.custom.10567.js" type="text/javascript"></scri..." Line: 870 Column: 3 - 68
"...dif]--> <script src="/static/js/jquery.plugins.js" type="text/javascript"></scri..." Line: 871 Column: 3 - 61
"...script> <script src="/static/js/jconfig.js" type="text/javascript"></scri..." Line: 872 Column: 3 - 65
"...script> <script src="/static/js/mobile-menu.js" type="text/javascript"></scri..." Line: 873 Column: 3 - 60
"...script> <script src="/static/js/search.js" type="text/javascript"></scri..." Line: 874 Column: 3 - 62
"...script> <script src="/static/js/calendar.js" type="text/javascript"></scri..." Line: 875 Column: 3 - 33
"...script> <script type="text/javascript"> $(..." Line: 886 Column: 2 - 62
"...home --> <script src="/static/js/slick.min.js" type="text/javascript"></scri..." Line: 887 Column: 2 - 69
".../script> <script src="/static/js/masonry.pkgd.min.js" type="text/javascript"></scri..." Line: 888 Column: 2 - 73
".../script> <script src="/static/js/jquery.fancybox.pack.js" type="text/javascript"></scri..." Line: 889 Column: 2 - 74
".../script> <script src="/static/js/jquery.fancybox-media.js" type="text/javascript"></scri..." Line: 890 Column: 2 - 57
".../script> <script src="/static/js/home.js" type="text/javascript"></scri..." Line: 891 Column: 2 - 32
".../script> <script type="text/javascript"> $(w..."
"...ere --> <script src="/static/js/jquery-1.11.2.min.js" type="text/javascript"></scri..." Line: 866 Column: 3 - 76
"...script> <script src="/static/js/modernizr.custom.10567.js" type="text/javascript"></scri..." Line: 870 Column: 3 - 68
"...dif]--> <script src="/static/js/jquery.plugins.js" type="text/javascript"></scri..." Line: 871 Column: 3 - 61
"...script> <script src="/static/js/jconfig.js" type="text/javascript"></scri..." Line: 872 Column: 3 - 65
"...script> <script src="/static/js/mobile-menu.js" type="text/javascript"></scri..." Line: 873 Column: 3 - 60
"...script> <script src="/static/js/search.js" type="text/javascript"></scri..." Line: 874 Column: 3 - 62
"...script> <script src="/static/js/calendar.js" type="text/javascript"></scri..." Line: 875 Column: 3 - 33
"...script> <script type="text/javascript"> $(..." Line: 886 Column: 2 - 62
"...home --> <script src="/static/js/slick.min.js" type="text/javascript"></scri..." Line: 887 Column: 2 - 69
".../script> <script src="/static/js/masonry.pkgd.min.js" type="text/javascript"></scri..." Line: 888 Column: 2 - 73
".../script> <script src="/static/js/jquery.fancybox.pack.js" type="text/javascript"></scri..." Line: 889 Column: 2 - 74
".../script> <script src="/static/js/jquery.fancybox-media.js" type="text/javascript"></scri..." Line: 890 Column: 2 - 57
".../script> <script src="/static/js/home.js" type="text/javascript"></scri..." Line: 891 Column: 2 - 32
".../script> <script type="text/javascript"> $(w..."
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Line: 4 Column: 16 - 6
"...TYPE HTML> <html> <head..."
"...TYPE HTML> <html> <head..."
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oper.koeln 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.
oper.koeln 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.