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 Generated on March 27 2016 17:39 PM

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* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.

SEO Content

Title Sudoku

Length : 6

Ideally, your title should contain between 10 and 70 characters (spaces included). Try to write a catchy title to get attention.
Description 100.000 Sudoku Felder kostenlos spielen. Online oder zum Ausdrucken in 5 Schwierigkeitsstufen.

Length : 94

Great, your meta description contains between 70 and 160 characters.
Og Meta Properties This page does not take advantage of Og Properties. When people share or like your page, it is great to have good Og properties. Otherwise, they will just see a link to your website.

In case of Facebook or Twitter this is how you get started:

Facebook: https://developers.facebook.com/docs/sharing/webmasters

Twitter: https://dev.twitter.com/cards/getting-started
H1 H2 H3 H4 H5 H6
0 0 8 0 0 0
  • [H3] Sonstige Spieloptionen
  • [H3] Weitere Browsergames
  • [H3] Schwierigkeitsstufen
  • [H3] QuickLinks
  • [H3] Mehr
  • [H3] Navigation
  • [H3] Copyright
  • [H3] Weitere Projekte
Images We found 103 images on this web page.

49 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 10%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content. Search engines these days are smart enough to figure out if a page is on-topic and interesting enough to get higher rankings in their search results.

Try to write a good article around 1500 words and check for grammar and spelling errors. As they say in the SEO world: "Content is King."
Flash Perfect, no Flash content has been detected on this page.
Iframe IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Good!
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 29 links including 0 link(s) to files

Anchor Type Juice
Hilfe Internal Passing Juice
Premium Internal Passing Juice
Kontakt Internal Passing Juice
Werbung Internal Passing Juice
v.5.0.0 Internal Passing Juice
FAQ Internal Passing Juice
Anmelden Internal Passing Juice
SUDOKU Internal Passing Juice
SUDOKU17 External Passing Juice
KAKURO External Passing Juice
SOLITÄR External Passing Juice
4-GEWINNT External Passing Juice
LIFECALC External Passing Juice
sehr einfach Internal Passing Juice
einfach Internal Passing Juice
mittel Internal Passing Juice
schwierig Internal Passing Juice
sehr schwierig Internal Passing Juice
Sudoku des Tages Gewinnspiel Internal Passing Juice
Gewinnerliste "Sudoku des Tages" Internal Passing Juice
Beispiel Internal Passing Juice
kostenlose Registrierung Internal Passing Juice
Beispiel Internal Passing Juice
Home Internal Passing Juice
Verlinken Internal Passing Juice
Impressum Internal Passing Juice
Nutzungsbedingungen / Datenschutz Internal Passing Juice
SudokuNow External Passing Juice
... Internal Passing Juice

SEO Keywords

Keywords Cloud einfach schwierigkeitsstufen rätsel knacker sudoku schwierig lifecalc mittel oder sehr
Keywords Consistency
Keyword Content Title Description Headings
sudoku 9
rätsel 4
oder 3
knacker 3
schwierig 2


Url Domain : sudoku-knacker.de
Length : 17
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language You have not specified a language.


Doctype HTML 4.01 Transitional
Encoding Perfect. Your declared charset is ISO-8859-1.
W3C Validity Errors : 36
Warnings : 3
Email Privacy Warning! At least one email address has been found in plain text. Your email address will be used for spam. Please consider one of these options:

1. Integrate a contact form on your site.
2. Make it difficult for spam bots by using an obfuscator: Email Address Obfuscator
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Attention! Try to avoid nested tables in HTML.
Your website is using inline styles.
Great, your website has a few CSS files.
Your website has too many JS files (more than 6).
Your website does not take advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Missing

Your website does not have an XML sitemap - to make it easier for search engines to find your pages it is wise to generate a sitemap.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more efficiently.

Go here to know more on how to set this up: http://www.sitemaps.org/protocol.html

If you have a lot of pages (up to 500 pages is free) you can auto generate them here: https://www.xml-sitemaps.com
Robots.txt http://sudoku-knacker.de/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights


Clicky Web Analytics