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Hello I think i have a serious problem. Most of my products are not getting internal links.
I discoverd this when i was running a Crawl Test Tool Report | Moz Here an example of one product.
This product can be navigate to a normal way true the navigation structure on my website. The navigation is http://www.macrovet.nl/scheermachine/scheerapparaat-paard-paardenscheermachine.html 
On this page is the product URL: http://www.macrovet.nl/aesculap-econom-equipe-gt674.html
Time Crawled 2014
Title tag: Aesculap Econom Equipe GT674 | Macrovet.nl
Meta Description: Bekijk en bestel een Aesculap Econom Equipe GT674 paardenscheermachine voor de scherpste prijs Macrovet.nl 
HTTP Status Code: 200
Referrer http://www.macrovet.nl/sitemap.xml
Link Count: 550
Content-Type Header: text/html; charset=UTF-8
4XX (Client Error): NO
5XX (Server Error): NO
Title Missing or Empty: No
Duplicate Page Content: NO
URLs with Duplicate Page Content (up to 5)
Duplicate Page Title:No
Long URL NO
Overly-Dynamic URL NO
301 (Permanent Redirect) NO
302 (Temporary Redirect) NO
301/302 Target
Meta Refresh NO
Meta Refresh Target
Title Element Too Short NO
Title Element Too Long No
Too Many On-Page Links YES
Missing Meta Description Tag No
Search Engine blocked by robots.txt No
Meta-robots Nofollow No
Meta Robots Tag INDEX,FOLLOW
Rel Canonical Yes
Rel-Canonical Target http://www.macrovet.nl/aesculap-econom-equipe-gt674.html
Blocking All User Agents No
Blocking Google No
Internal Links 0
Linking Root Domains 0
External Links 0
Page Authority 1 Domain Autority 30 Do you have an answer what is wrong, thanks for your answers Regards,
Willem-Johan