Selfhtml5.org - SEO Checker

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Overview of the SEO Check
Meta information
58% 
Page quality
72% 
Page structure
100% 
Link structure
41% 
Server
38% 
External factors
100% 
SEO Score
Response time
0.31 s
File size
79.40 kB
Words
1458
Media files
3
Number of links
146 internal / 43 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps | Die praktische Online-Referenz zu HTML5 und App-Entwicklung
The page title should be shorter than 580 pixels. It is 1499 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-de
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
robotsmax-image-preview:large
langde-de
charsetUTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 25.6 words is high.
This page contains 1458 words. That's ok.
38% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
23 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
Some tags are too long. With 118 characters this one is longer than 70 characters:
"so this guide will give you a short, comprehensible and perfect solution for square tile lists with cs..."
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...022/03/same-size-boxes-css-grid-flex.pngNo alt attribute provided
...ads/2014/11/foto-webapp-ios-zugriff1.pngFoto in Web-App einfügen
...oads/2013/05/html5-video-marktanteil.pngNo alt attribute providedhtml5 video Marktabdeckung

Page structure

H1 heading
(Critically important)
html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
H2 Tile design: Same sized columns with css flex and grid combo
H2 Endlich: der CSS backdrop-filter
H2 Die 3 Schritte zur mobilen Optimierung der Website
H2 Bilder aufnehmen mit Web-App und HTML Elementen in iOS und Android
H2 Code für nativen Kamera-App Zugriff
H2 Standort im Browser ermitteln per HTML5 Geolocation API
H2 Wie wird der Standort per Geolocation API ermittelt?
H2 Web-App offline speichern: der Offline Application Cache
H2 HTML5 Formulare mit Validierung und Platzhalter
H2 HTML5 Video und die Browserkompatibilität inkl. iOS und Android
H2 Accordion Boxen mit CSS3
H2 Box-Shadow Generator
H2 box-shadow CSS 3 code generator
H2 CSS3 Code für box-Shadow generieren
H3 Themen
H3 Schlagwörter
H3 App Entwickler Verzeichnis
H3 Blogroll
H3 Tools
H4 Box-Shadow Parameter
H4 box-shadow Generator
H4 box-shadow styles
Some anchor texts are used more than once.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (43) on this page.

Found links on this page

LinkAttributesAnchor text
http://www.selfhtml5.org/Subdomain html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
A-TITLE html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
http://www.selfhtml5.org/Anchor Springe zum Inhalt
A-TITLE Springe zum Inhalt
http://www.selfhtml5.org/Subdomain Startseite
/apps-programmieren/Subdomain App Programmierung
http://www.selfhtml5.org/blog/Subdomain Blog
/html5-tools/Subdomain HTML5 Tools
/html5-features/Subdomain HTML5 Features
/html5-tag-systematik/Subdomain HTML5 Tag Systematik
/cookie-richtlinie-eu/Subdomain Cookie-Richtlinie (EU)
http://www.selfhtml5.org/page/2/Subdomain ← Ältere Beiträge
/2022/03/same-size-columns-wit...Subdomain Tile design: Same sized columns with css flex and grid combo
A-TITLE Permalink zu Tile design: Same sized columns with css flex and grid combo
/2022/03/same-size-columns-wit...Subdomain 17. März 2022
A-TITLE 13:25
/author/html5-admin/Subdomain html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
/2022/03/same-size-columns-wit...Subdomain Anchor Weiterlesen →
http://twitter.com/home?status...External A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain A-TITLE Share this on Facebook
/category/css3/Subdomain CSS3
/category/html5-features/Subdomain HTML5
/2022/03/same-size-columns-wit...Subdomain Anchor Hinterlasse einen Kommentar
/2020/02/endlich-der-css-backd...Subdomain Endlich: der CSS backdrop-filter
A-TITLE Permalink zu Endlich: der CSS backdrop-filter
/2020/02/endlich-der-css-backd...Subdomain 20. Februar 2020
A-TITLE 14:21
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
https://caniuse.com/External Anchor canIuse: backdrop-filter
/2020/02/endlich-der-css-backd...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/css3/Subdomain Text duplicate CSS3
/tag/backdrop/Subdomain backdrop
/tag/blur/Subdomain blur
http://www.selfhtml5.org/tag/css/Subdomain css
/tag/filter/Subdomain filter
/2020/02/endlich-der-css-backd...Subdomain Anchor Text duplicate Hinterlasse einen Kommentar
/2015/04/die-3-schritte-zur-mo...Subdomain Die 3 Schritte zur mobilen Optimierung der Website
A-TITLE Permalink zu Die 3 Schritte zur mobilen Optimierung der Website
/2015/04/die-3-schritte-zur-mo...Subdomain 15. April 2015
A-TITLE 15:04
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
http://googlewebmastercentral....New window External Subdomain Webmaster-Blog
/2015/04/die-3-schritte-zur-mo...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-features/Subdomain Text duplicate HTML5
/tag/mobile/Subdomain mobile
/2015/04/die-3-schritte-zur-mo...Subdomain Anchor 5 Kommentare
/2014/11/bilder-aufnehmen-mit-...Subdomain Bilder aufnehmen mit Web-App und HTML Elementen in iOS und Android
A-TITLE Permalink zu Bilder aufnehmen mit Web-App und HTML Elementen in iOS und Android
/2014/11/bilder-aufnehmen-mit-...Subdomain 7. November 2014
A-TITLE 10:45
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
/wp-content/uploads/2014/11/fo...Subdomain IMG-ALT Foto in Web-App einfügen
/2014/11/bilder-aufnehmen-mit-...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-features/Subdomain Text duplicate HTML5
/2014/11/bilder-aufnehmen-mit-...Subdomain Anchor 3 Kommentare
/2014/08/standort-im-browser-e...Subdomain Standort im Browser ermitteln per HTML5 Geolocation API
A-TITLE Permalink zu Standort im Browser ermitteln per HTML5 Geolocation API
/2014/08/standort-im-browser-e...Subdomain 8. August 2014
A-TITLE 14:31
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
http://dev.w3.org/geo/api/spec...New window External Subdomain Geolocation API
/2014/08/standort-im-browser-e...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-features/Subdomain Text duplicate HTML5
/2014/08/standort-im-browser-e...Subdomain Anchor 4 Kommentare
/2014/06/web-app-offline-speic...Subdomain Web-App offline speichern: der Offline Application Cache
A-TITLE Permalink zu Web-App offline speichern: der Offline Application Cache
/2014/06/web-app-offline-speic...Subdomain 4. Juni 2014
A-TITLE 08:57
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
/2014/06/web-app-offline-speic...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-features/Subdomain Text duplicate HTML5
/2014/06/web-app-offline-speic...Subdomain Anchor Text duplicate 3 Kommentare
/2014/03/html5-formulare-mit-v...Subdomain HTML5 Formulare mit Validierung und Platzhalter
A-TITLE Permalink zu HTML5 Formulare mit Validierung und Platzhalter
/2014/03/html5-formulare-mit-v...Subdomain 10. März 2014
A-TITLE 15:37
/author/html5-admin/Subdomain Text duplicate html5-admin
A-TITLE Zeige alle Beiträge von html5-admin
/2014/03/html5-formulare-mit-v...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-features/Subdomain Text duplicate HTML5
/2014/03/html5-formulare-mit-v...Subdomain Anchor 1 Kommentar
/2013/05/html5-video-und-die-b...Subdomain HTML5 Video und die Browserkompatibilität inkl. iOS und Android
A-TITLE Permalink zu HTML5 Video und die Browserkompatibilität inkl. iOS und Android
/2013/05/html5-video-und-die-b...Subdomain 27. Mai 2013
A-TITLE 09:28
/author/admin/Subdomain admin
A-TITLE Zeige alle Beiträge von admin
/wp-content/uploads/2013/05/ht...Subdomain No Text
/2013/05/html5-video-und-die-b...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/html5-videos/Subdomain HTML5 Videos
/tag/android/Subdomain android
/tag/html5/Subdomain html5
http://www.selfhtml5.org/tag/ios/Subdomain ios
/tag/marktanteil/Subdomain marktanteil
/tag/video/Subdomain video
/2013/05/html5-video-und-die-b...Subdomain Anchor Text duplicate 1 Kommentar
/2013/05/accordion-menus-mit-c...Subdomain Accordion Boxen mit CSS3
A-TITLE Permalink zu Accordion Boxen mit CSS3
/2013/05/accordion-menus-mit-c...Subdomain 15. Mai 2013
A-TITLE 15:47
/author/admin/Subdomain Text duplicate admin
A-TITLE Zeige alle Beiträge von admin
/2013/05/accordion-menus-mit-c...Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/css3/Subdomain Text duplicate CSS3
/tag/accordion/Subdomain accordion
/tag/css3-2/Subdomain css3
/tag/transition/Subdomain transition
/2013/05/accordion-menus-mit-c...Subdomain Anchor Text duplicate 5 Kommentare
/2013/02/box-shadow-generator/Subdomain Box-Shadow Generator
A-TITLE Permalink zu Box-Shadow Generator
/2013/02/box-shadow-generator/Subdomain 21. Februar 2013
A-TITLE 11:05
/author/admin/Subdomain Text duplicate admin
A-TITLE Zeige alle Beiträge von admin
http://codepen.io/Montego/pen/...New window External Codepen/Montego
/2013-css3/box-shadow-in-css3/Subdomain box-shadow in CSS3
/2013/02/box-shadow-generator/Subdomain Anchor Text duplicate Weiterlesen →
http://twitter.com/home?status...External Text duplicate A-TITLE Share this on twitter
http://del.icio.us/post?url=ht...External Subdomain Text duplicate A-TITLE Share this on del.icio.us
http://www.facebook.com/share....External Subdomain Text duplicate A-TITLE Share this on Facebook
/category/css3/Subdomain Text duplicate CSS3
http://www.selfhtml5.org/tag/box/Subdomain box
/tag/box-shadow/Subdomain box-shadow
/tag/css3-2/Subdomain Text duplicate css3
/tag/generator/Subdomain generator
/2013/02/box-shadow-generator/Subdomain Anchor Text duplicate Hinterlasse einen Kommentar
http://www.selfhtml5.org/page/2/Subdomain Text duplicate ← Ältere Beiträge
/category/apps-programmieren/Subdomain Apps programmieren
/category/css3/Subdomain Text duplicate CSS3
/category/html5-features/Subdomain Text duplicate HTML5
/category/html5-videos/Subdomain Text duplicate HTML5 Videos
/category/html5-webapps/Subdomain HTML5 WebApps
/category/referenz/joomla/Subdomain Joomla
/category/uber-selfhtml5-org/Subdomain Über selfhtml5.org
/tag/android/Subdomain Text duplicate android
/tag/animate/Subdomain animate
/tag/animierter-radius/Subdomain animierter radius
http://www.selfhtml5.org/tag/app/Subdomain app
/tag/applications/Subdomain applications
/tag/apps/Subdomain apps
/tag/app-shop/Subdomain app shop
/tag/attibute/Subdomain attibute
/tag/attributes/Subdomain attributes
/tag/border/Subdomain border
/tag/border-radius/Subdomain border-radius
http://www.selfhtml5.org/tag/box/Subdomain Text duplicate box
/tag/box-shadow/Subdomain Text duplicate box-shadow
/tag/canvas/Subdomain canvas
/tag/cheat-sheet/Subdomain cheat sheet
/tag/cocoa/Subdomain cocoa
http://www.selfhtml5.org/tag/css/Subdomain Text duplicate css
/tag/css3-2/Subdomain Text duplicate css3
/tag/diagramm/Subdomain diagramm
/tag/element/Subdomain element
/tag/games/Subdomain games
/tag/generator/Subdomain Text duplicate generator
/tag/html5/Subdomain Text duplicate html5
/tag/icon/Subdomain icon
/tag/ipad/Subdomain ipad
/tag/iphone/Subdomain iphone
/tag/ipod/Subdomain ipod
/tag/methoden/Subdomain methoden
/tag/methods/Subdomain methods
/tag/native/Subdomain native
/tag/programmieren/Subdomain programmieren
/tag/programmierung/Subdomain programmierung
/tag/radius/Subdomain radius
/tag/spezifikation/Subdomain spezifikation
/tag/spiele/Subdomain spiele
/tag/stylesheet/Subdomain stylesheet
http://www.selfhtml5.org/tag/svg/Subdomain svg
/tag/table/Subdomain table
/tag/technisch/Subdomain technisch
/tag/transition/Subdomain Text duplicate transition
/tag/tutorial/Subdomain tutorial
/tag/video/Subdomain Text duplicate video
http://www.selfhtml5.org/tag/w3c/Subdomain w3c
/tag/web-app/Subdomain web-app
/tag/ubersicht/Subdomain übersicht
http://www.app-entwickler-verz...New window External Subdomain App Entwickler Verzeichnis
A-TITLE App Entwickler Verzeichnis
http://www.app-entwickler-verz...New window External Subdomain FAQ zum Apps Programmieren
A-TITLE App Entwickler FAQ
http://www.app-entwickler-verz...New window External Subdomain Native App Programmierung
http://panikattacken-a.de/External Panikattacken
http://app-entwickler-verzeich...External Die 1 Mrd. Dollar App
http://it-entwickler-jobs.de/External IT Entwickler Jobs
http://app-entwickler-verzeich...External Tutorial zur Android Programmierung
A-TITLE Grundlagen und erste Schritte bei der App Entwicklung für Android
http://caniuse.com/New window External CanIuse
A-TITLE Welche Browser unterstützen welche HTML5 Elemente aktuell?
/html5-diagramme/saeulendiagra...Subdomain HTML5 Säulendiagramm
http://www.selfhtml5.org/Subdomain Text duplicate html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
A-TITLE html5 Referenz und Tutorials | Neuerungen | CSS 3 | Anleitung zum Programmieren von iPhone Apps
http://wordpress.org/External Proudly powered by WordPress.
A-TITLE Semantic Personal Publishing Platform

Server configuration

HTTP redirects
(Critically important)
This page redirects to "http://www.selfhtml5.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 6 CSS files. This may affect the page load time negatively.
The page response time is excellent with 0.31 seconds.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (79 kB).

HTTP Response Header

NameValue
dateThu, 07 Mar 2024 04:23:10 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
serverApache
link<http://www.selfhtml5.org/wp-json/>; rel="https://api.w.org/"
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 176 referring domains.
This page has 684 backlinks.
This page has backlinks from 101 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: http://www.selfhtml5.org/wp-sitemap.xml

Similar sites

Search preview

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
html581%Check
html5 Referenz73%Check
CSS71%Check
App70%Check
Online-Referenz zu HTML567%Check
HTML5 Video63%Check
Referenz62%Check
Tutorials62%Check
iPhone Apps62%Check
Apps61%Check
Show more keywords and terms

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