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Domain: clean-code-developer.de
Status: connect

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clean-code-developer.de desktop page speed rank

Last tested: 2019-03-19

Desktop Speed Good

88/100

clean-code-developer.de Desktop Speed Test Quick Summary

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

Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

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https://clean-code-developer.de/wp-content/cache/w…fied/mm0jimwq/9q0nl.js

Optimize CSS Delivery of the following:

https://clean-code-developer.de/wp-content/cache/w…ied/77j9n7hh/9mqhg.css
https://fonts.googleapis.com/css?family=Noto+Sans%…bset=latin%2Clatin-ext
https://clean-code-developer.de/wp-content/cache/w…ied/g2m5t27y/9mqhg.css

priority - 3Leverage 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://clean-code-developer.de/wp-content/cache/w…ied/77j9n7hh/9mqhg.css (expiration not specified)
https://clean-code-developer.de/wp-content/cache/w…ied/g2m5t27y/9mqhg.css (expiration not specified)
https://clean-code-developer.de/wp-content/cache/w…fied/mm0jimwq/9q0nl.js (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/ccd-school.jpg (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/dotnetpro.jpg (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/xing.png (expiration not specified)

priority - 1Optimize images

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priority - 0Minify JavaScript

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clean-code-developer.de Desktop Resource Breakdown

Total Resources	17
Number of Hosts	4
Static Resources	8
JavaScript Resources	6
CSS Resources	4

clean-code-developer.de mobile page speed rank

Last tested: 2019-03-19

Mobile Speed Medium

69/100

clean-code-developer.de Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://clean-code-developer.de/wp-includes/js/jquery/jquery.js?ver=1.12.4
https://clean-code-developer.de/wp-includes/js/jqu…grate.min.js?ver=1.4.1

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https://clean-code-developer.de/wp-includes/css/di…/style.min.css?ver=5.1
https://clean-code-developer.de/wp-includes/css/di…/theme.min.css?ver=5.1
https://clean-code-developer.de/wp-content/plugins…creen.min.css?ver=1509
https://fonts.googleapis.com/css?family=Noto+Sans%…bset=latin%2Clatin-ext
https://clean-code-developer.de/wp-content/themes/…genericons.css?ver=3.2
https://clean-code-developer.de/wp-content/themes/…hild/style.css?ver=5.1
https://clean-code-developer.de/wp-content/themes/twentyfifteen/style.css
https://clean-code-developer.de/wp-content/themes/…locks.css?ver=20181230

priority - 3Leverage 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://clean-code-developer.de/wp-content/themes/twentyfifteen/style.css (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/ccd-school.jpg (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/dotnetpro.jpg (expiration not specified)
https://clean-code-developer.de/wp-content/uploads/2015/04/xing.png (expiration not specified)

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.3KiB (36% reduction).

Compressing https://clean-code-developer.de/wp-content/uploads/2015/04/ccd-school.jpg could save 2.7KiB (37% reduction).
Compressing https://clean-code-developer.de/wp-content/uploads/2015/04/dotnetpro.jpg could save 2.4KiB (39% reduction).
Compressing https://clean-code-developer.de/wp-content/uploads/2015/04/xing.png could save 162B (12% reduction).

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 3.4KiB (21% reduction).

Minifying https://clean-code-developer.de/wp-content/themes/twentyfifteen/style.css could save 2.8KiB (21% reduction) after compression.
Minifying https://clean-code-developer.de/wp-content/themes/…locks.css?ver=20181230 could save 413B (21% reduction) after compression.
Minifying https://clean-code-developer.de/wp-content/themes/…hild/style.css?ver=5.1 could save 259B (24% 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 698B (31% reduction).

Minifying https://clean-code-developer.de/wp-content/themes/…ctions.js?ver=20150330 could save 525B (29% reduction) after compression.
Minifying https://clean-code-developer.de/wp-content/themes/…us-fix.js?ver=20141010 could save 173B (39% reduction) after compression.

clean-code-developer.de Mobile Resource Breakdown

Total Resources	22
Number of Hosts	4
Static Resources	6
JavaScript Resources	7
CSS Resources	9

clean-code-developer.de mobile page usability

Last tested: 2019-03-19

Mobile Usability Good

99/100

clean-code-developer.de Mobile Usability Test Quick Summary

priority - 0Size 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://webinet.de/">WebiNet</a> is close to 1 other tap targets.

clean-code-developer.de HTML validation

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Line: 90 Column: 1 - 80
"...ript> --> <link rel='https://api.w.org/' href='http://clean-code-developer.de/wp-json/' /> <link..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 153 Column: 202 - 277
"...="_blank"><img class="social-icons" src="/wp-content/uploads/2015/04/google_plus.png"></a> <..." Line: 156 Column: 96 - 164
"...="_blank"><img class="social-icons" src="/wp-content/uploads/2015/04/xing.png"></a> <..." Line: 159 Column: 88 - 161
"...="_blank"><img class="social-icons" src="/wp-content/uploads/2015/04/uservoice.png"></a> <..." Line: 162 Column: 175 - 255
"...hool.de/"><img class="partner-logo-first" src="/wp-content/uploads/2015/04/ccd-school.jpg"></a> <..." Line: 163 Column: 99 - 175
"...per.html"><img class="partner-logo" src="/wp-content/uploads/2015/04/sigs-datacom.jpg"></a> <..." Line: 164 Column: 52 - 125
"...tpro.de/"><img class="partner-logo" src="/wp-content/uploads/2015/04/dotnetpro.jpg"></a></..." Line: 197 Column: 155 - 267
"...hy-pixel"><img src="http://vg09.met.vgwort.de/na/5f4df9929a5d4cf284e4f2e0ef06b4b1" data-no-lazy="1" height="1" width="1" /></div>..."

No “p” element in scope but a “p” end tag seen.

Line: 197 Column: 274 - 277
"..." /></div></p> </div..."

Warnings

The “banner” role is unnecessary for element “header”.

Line: 108 Column: 1 - 56
"...sidebar"> <header id="masthead" class="site-header" role="banner"> <div ..."

The “navigation” role is unnecessary for element “nav”.

Line: 116 Column: 1 - 68
"...condary"> <nav id="site-navigation" class="main-navigation" role="navigation"> <div ..."

The “main” role is unnecessary for element “main”.

Line: 170 Column: 1 - 46
"...nt-area"> <main id="main" class="site-main" role="main"> <arti..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 204 Column: 1 - 61
"...ntent --> <footer id="colophon" class="site-footer" role="contentinfo"> <div ..."

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clean-code-developer.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.

clean-code-developer.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.

CLEAN-CODE-DEVELOPER.DE Clean Code Developer | Eine Initiative für mehr Professionalität in der Softwareentwicklung

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clean-code-developer.de whois

clean-code-developer.de server information

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clean-code-developer.de desktop page speed rank

clean-code-developer.de Desktop Speed Test Quick Summary

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

Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 3Leverage 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:

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.3KiB (36% reduction).

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 698B (31% reduction).

clean-code-developer.de Desktop Resource Breakdown

clean-code-developer.de mobile page speed rank

clean-code-developer.de Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 3Leverage 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:

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.3KiB (36% reduction).

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 3.4KiB (21% reduction).

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 698B (31% reduction).

clean-code-developer.de Mobile Resource Breakdown

clean-code-developer.de mobile page usability

clean-code-developer.de Mobile Usability Test Quick Summary

priority - 0Size 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.

clean-code-developer.de HTML validation

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

No “p” element in scope but a “p” end tag seen.

Warnings

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

The “main” role is unnecessary for element “main”.

The “contentinfo” role is unnecessary for element “footer”.

clean-code-developer.de similar domains

clean-code-developer.de Ping

clean-code-developer.de TRACEROUTE