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 Generated on April 17 2016 17:49 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 De Kennis van Nu - De Kennis van Nu

Length : 35

Perfect, your title contains between 10 and 70 characters.

Length : 0

Description is missing. It will tell search engines and potential visitors what your page is about. Keep it between 70 and 160 characters (spaces included).

Note: Google sometimes chooses not display the description you put in here, but rather shows a part of your page text that it seems relevant to the users search query..
Og Meta Properties Good, your page takes advantage of Og Properties. You can click the expand button below-right to see what it contains.

Property Content
site_name De Kennis van Nu
type website
H1 H2 H3 H4 H5 H6
7 8 1 0 0 0
  • [H1] Revolutie in de gentechnologie
  • [H1] De bij moet gered worden
  • [H1] Topzwemmers
  • [H1] De les van Tsjernobyl
  • [H1] Sociale uitsluiting
  • [H1] Nieuws
  • [H1] Uitgelicht
  • [H2] Nederlandse meisjes winnen prijs op wiskunde-olympiade
  • [H2] Een unieke samenwerking tussen westerse en Noord-Koreaanse wetenschappers
  • [H2] Socioloog Frank Furedi: ‘Angst is dodelijker dan terrorisme’
  • [H2] Bomen delen hun koolstof massaal
  • [H2] Verlamde man beweegt hand met gedachten
  • [H2] Welke stukken koraalrif zijn het best te beschermen?
  • [H2] De gelukkige 13: ernstig genetisch defect, maar toch gezond
  • [H2] Nieuwsbrief
  • [H3] # DKVN
Images We found 31 images on this web page.

19 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 : 21%

Awesome! This page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no IFrames detected on this page.

URL Rewrite Good!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 11 links including 0 link(s) to files

Anchor Type Juice
Nieuws Internal Passing Juice
Uitzendingen Internal Passing Juice
Verdieping Internal Passing Juice
Uitzendingen Internal Passing Juice
Zoeken Internal Passing Juice
- Internal Passing Juice
Deze 3d-printer maakt implanteerbare oren External Passing Juice
@dekennisvannu External Passing Juice
Over De Kennis van Nu Internal Passing Juice
Contact met de makers Internal Passing Juice
Vacatures & stages Internal Passing Juice

SEO Keywords

Keywords Cloud video artikel bij van april met het voor nieuws kennis
Keywords Consistency
Keyword Content Title Description Headings
van 16
artikel 10
kennis 9
het 8
video 6


Url Domain : dekennisvannu.nl
Length : 16
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 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 14
Warnings : 2
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
Excellent, your website doesn't use nested tables.
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://dekennisvannu.nl/robots.txt

Great, your website has a robots.txt file.
Analytics Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but it can also be good to install a second one in order to cross-check the data. This can be Google Analytics or Clicky.com

PageSpeed Insights