SEO report of jahntech.com
Redirected to www.christoph-jahn.com/
"Decisions should be made at the lowest possible level" | ...
www.christoph-jahn.com/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : www.christoph-jahn.com/
Character length : 23
Title
"Decisions should be made at the lowest possible level" | Christoph Jahn
Keywords (meta keywords)
book,hp,management,uncle bob,robert martin,software,programming,freebsd,freenas,technolgy,selection,stratgic,architecture,framework,strategy,hr,leadership,personality,electronics,esp8266,iot,sdlc,mcki
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Error! Not all URLs are SEO friendly on this website!
- http://www.christoph-jahn.com/?p=1074&cpage=1#comment-148340 ("Oracle Error 17002 “Io Exception: The Network Adapter could not establish the connection”")
- http://www.christoph-jahn.com/?p=1670&cpage=1#comment-145757 ("WebDAV for Ant")
- http://www.christoph-jahn.com/?p=1670&cpage=1#comment-145237 ("WebDAV for Ant")
- http://www.christoph-jahn.com/?p=675&cpage=1#comment-138143 ("Why Subversion’s “svn:externals” is bad")
- http://www.christoph-jahn.com/?p=1074&cpage=1#comment-105860 ("Oracle Error 17002 “Io Exception: The Network Adapter could not establish the connection”")
Checking the robots.txt file
The robots.txt file is missing!
Social
Social Engagement
No info found.
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
"Decisions should be made at the lowest possible level" | Christoph Jahn
Character length : 72
Improve! The website address (title) should be between 10 and 70 characters in length.
Character length : 72
Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 25%
Good! The text / code ratio is between 25 and 70 percent.
Good! The text / code ratio is between 25 and 70 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 12 | 1 | 7 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Christoph Jahn
- <H2>
- <H1> “Decisions should be made at the lowest possible level”
- <H1> “Uncle” Bob Martin – The Future of Programming
- <H1> FreeNAS Upgrade from 9.2.1.7 to 9.10.2-U2
- <H1> Choosing a Technology
- <H1> Leadership Lesson from a Nuclear Submarine
- <H1> The power of introverts | Susan Cain on TED Talks
- <H1> ESP8266 Management Platform
- <H1> Lego Mindstorms: A Paper Cube
- <H1> McKinsey: What CEOs are reading
- <H1> Arduino: Ethernet with ENC28J60
- <H1> Posts navigation
- <H3> Recent Posts
- <H3> Categories
- <H3> Tags
- <H3>
- <H3> Recent Comments
- <H3> Social Links
- <H3> Blogroll
Word cloud
- management21
- arduino11
- leave10
- comment10
- chris9
- all8
- project8
- technology7
- standard7
- technical7
- template7
- really7
- because6
- java6
- iot6
- ethernet6
- new6
- stuff6
- module6
- made5
- video5
- work5
- first5
- architecture5
- another5
- future5
- software5
- requirements5
- web5
- see5
- good5
- company5
- pin5
- been5
- freenas5
- back5
- create4
- come4
- jail4
- just4
- around4
- lot4
- quick4
- need4
- something4
- programming4
- like4
- nano4
- time4
- course4
- interesting4
- seen4
- book4
- leadership4
- submarine4
- question4
- nuclear4
- how4
- into3
- library3
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| management | |||
| arduino | |||
| leave | |||
| comment | |||
| chris | |||
| all |
Two Word cloud
- technical stuff4
- leave a comment3
- possible level”2
- bob martin2
- work for2
- lowest possible2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 7 images on this web page.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Readability
Flesch–Kincaid Grade Level
6.90
Flesch Reading Ease
63.00
Coleman Liau Index
11.90
Automated Readability Index (ARI)
5.60
Dale–Chall Readability
5.90
SMOG Index
10.60
Spache Readibility
5.00
Number of letters
11630
Number of words
2474
Number of sentences
254
Average words per sentences
10
Number of syllables
3916
Syllables in words
3898
Average syllables in words
1.58
Number of words in first three syllables
417
Percentage of word / syllables
16.86
Words not in Dale-Chall easy-word list
842
Words not in Spache easy-word list
605
Technologies
Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Speed test
Server response time
The server response time is fast enough.
Loading time
2,175 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
67
Number of source domains
13
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- https://christoph-jahn.com/wp-includes/js/tw-sack.min.js?ver=1.6.1
- https://christoph-jahn.com/.. /javascript.js?ver=4.9.8
- https://ajax.googleapis.com/.. /prototype.js?ver=1.7.1
- https://ajax.googleapis.com/.. /scriptaculous.js?ver=1.9.0
- https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/builder.js
- https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/effects.js
- https://ajax.googleapis.com/.. /dragdrop.js
- https://ajax.googleapis.com/.. /controls.js
- https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/slider.js
- https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/sound.js
- https://ajax.googleapis.com/.. /builder.js?ver=1.9.0
- https://ajax.googleapis.com/.. /effects.js?ver=1.9.0
- https://ajax.googleapis.com/.. /dragdrop.js?ver=1.9.0
- https://ajax.googleapis.com/.. /slider.js?ver=1.9.0
- https://ajax.googleapis.com/.. /controls.js?ver=1.9.0
- https://christoph-jahn.com/.. /jquery.js?ver=1.12.4
- https://christoph-jahn.com/.. /jquery-migrate.min.js?ver=1.4.1
- https://christoph-jahn.com/wp-content/plugins/cforms/js/cforms.js
- https://fonts.googleapis.com/css?family=Source+Sans+Pro%3A300%2C400%2...
- https://christoph-jahn.com/.. /genericons.css?ver=3.03
- https://christoph-jahn.com/.. /style.css?ver=2013-07-18
- https://christoph-jahn.com/?sccss=1&ver=4.9.8
- https://christoph-jahn.com/.. /wide_form.css
- https://christoph-jahn.com/.. /calendar.css
- https://christoph-jahn.com/.. /stylesheet.css
- https://christoph-jahn.com/.. /amtap-blog.css
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.christoph-jahn.com/wp-includes/js/tw-sack.min.js?ver=1.6.1
- http://www.christoph-jahn.com/wp-content/plugins/social-links/javascript.js?ver=4.7.5
- http://www.christoph-jahn.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
- http://www.christoph-jahn.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
- http://www.christoph-jahn.com/wp-content/plugins/cforms/js/cforms.js
- http://www.christoph-jahn.com/wp-includes/js/imagesloaded.min.js?ver=3.2.0
- http://www.christoph-jahn.com/wp-includes/js/masonry.min.js?ver=3.3.2
- http://www.christoph-jahn.com/wp-includes/js/jquery/jquery.masonry.min.js?ver=3.1.2b
- http://www.christoph-jahn.com/wp-content/themes/twentythirteen/js/functions.js?ver=20160717
- http://www.christoph-jahn.com/wp-includes/js/wp-embed.min.js?ver=4.7.5
File size of all javascript files combined
1.97MB
Javascript minifying
You can save 23KB (23% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.christoph-jahn.com/wp-content/themes/twentythirteen/genericons/genericons.css?ver=3.03
- http://www.christoph-jahn.com/wp-content/themes/twentythirteen/style.css?ver=2013-07-18
- http://www.christoph-jahn.com/wp-content/plugins/cforms/styling/wide_form.css
- http://www.christoph-jahn.com/wp-content/plugins/social-links/stylesheet.css
- http://www.christoph-jahn.com/wp-content/plugins/amazon-machine-tags/css/amtap-blog.css
File size of all css files combined
426.04KB
CSS minifying
You can save 3.6KB (25% compression) on the analysed URL by minifying the CSS files.
- By minifying https://christoph-jahn.com/.. /style.css?ver=2013-07-18 you can save 2.6KB (24% compression rate)
- By minifying https://christoph-jahn.com/.. /wide_form.css you can save 695B (31% compression rate)
- By minifying https://christoph-jahn.com/.. /calendar.css you can save 151B (22% compression rate)
- By minifying https://christoph-jahn.com/.. /amtap-blog.css you can save 117B (28% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
215.79KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
31
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| https://christoph-jahn.com/.. /amtap-blog.css | Expiry time is not specified |
| https://christoph-jahn.com/wp-content/plugins/cforms/js/cforms.js | Expiry time is not specified |
| https://christoph-jahn.com/.. /calendar.css | Expiry time is not specified |
| https://christoph-jahn.com/.. /wide_form.css | Expiry time is not specified |
| https://christoph-jahn.com/.. /linkedin.png | Expiry time is not specified |
| https://christoph-jahn.com/.. /xing.jpg | Expiry time is not specified |
| https://christoph-jahn.com/.. /stylesheet.css | Expiry time is not specified |
| https://christoph-jahn.com/.. /diamond.png | Expiry time is not specified |
| https://christoph-jahn.com/.. /search-icon-2x.png | Expiry time is not specified |
| https://static.doubleclick.net/instream/ad_status.js | 15 minutes |
Speed test – Images
File size of all images combined
68.41KB
Image optimisation
You can save 185B (30% compression) by optimising the images below:
- By lossless compressing the https://christoph-jahn.com/.. /xing.jpg you can save 185B (30%) data.
Links
We found a total of 144 different links.
Internal links: 121
External links: 23
Internal links: 121
External links: 23
External links:
Internal links:
Website security
IP
217.160.0.167
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.
Sites on same ip
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H1 : Christoph Jahn, ( 0px from top )
- H2 : , ( 147px from top )
- H1 : Configuration Management – Part 4: The Differences , ( 232px from top )
Typos
ahntech.com, jnahntech.com, nahntech.com, jhahntech.com, hahntech.com, jyahntech.com, yahntech.com, juahntech.com, uahntech.com, jiahntech.com, iahntech.com, jkahntech.com, kahntech.com, jmahntech.com, mahntech.com, jhntech.com, jaqhntech.com, jqhntech.com, jawhntech.com, jwhntech.com, jazhntech.com, jzhntech.com, jahntech.com, jhntech.com, jaxhntech.com, jxhntech.com, jashntech.com, jshntech.com, jantech.com, jahbntech.com, jabntech.com, jahgntech.com, jagntech.com, jahtntech.com, jatntech.com, jahyntech.com, jayntech.com, jahuntech.com, jauntech.com, jahjntech.com, jajntech.com, jahmntech.com, jamntech.com, jahnntech.com, janntech.com, jahtech.com, jahnbtech.com, jahbtech.com, jahngtech.com, jahgtech.com, jahnhtech.com, jahhtech.com, jahnjtech.com, jahjtech.com, jahnmtech.com, jahmtech.com, jahn tech.com, jah tech.com, jahnech.com, jahntrech.com, jahnrech.com, jahntfech.com, jahnfech.com, jahntgech.com, jahngech.com, jahnthech.com, jahnhech.com, jahntyech.com, jahnyech.com, jahnt5ech.com, jahn5ech.com, jahnt6ech.com, jahn6ech.com, jahntch.com, jahntewch.com, jahntwch.com, jahntesch.com, jahntsch.com, jahntech.com, jahntch.com, jahntedch.com, jahntdch.com, jahntefch.com, jahntfch.com, jahnterch.com, jahntrch.com, jahnte3ch.com, jahnt3ch.com, jahnte4ch.com, jahnt4ch.com, jahnteh.com, jahntecxh.com, jahntexh.com, jahntecsh.com, jahntesh.com, jahntech.com, jahnteh.com, jahntecdh.com, jahntedh.com, jahntecfh.com, jahntefh.com, jahntecvh.com, jahntevh.com, jahntec h.com, jahnte h.com, jahntec.com, jahntechb.com, jahntecb.com, jahntechg.com, jahntecg.com, jahntecht.com, jahntect.com, jahntechy.com, jahntecy.com, jahntechu.com, jahntecu.com, jahntechj.com, jahntecj.com, jahntechm.com, jahntecm.com, jahntechn.com, jahntecn.com
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