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Imprint – Impressum – Legal Details

Postal Address:

LinkResearchTools GmbH
Am Langen Felde 12 / Top 1-4
1220 Wien, Österreich

Phone / Fax:

LRT USA (866) 347-3660
LRT Canada (877) 736-7787
LRT UK +44 800 011 9736
LRT Austria +43 720 116440
FAX +43 1 953 50 19

Company Registration Data (“Impressum”):

Gewerbereg.Reg. : 104381F22, MBA22–104381F22/0001/002

Jurisdiction/Gerichtsstand: Wien

Applicable Law: Austria



Offenlegung gemäß §§ 24, 25
Mediengesetz und Informationen gemäß § 5 ECG

Medieninhaber, Herausgeber und Hersteller:
LinkResearchTools GmbH.

Sitz: Wien

Anschrift: Am Langen Felde 12, Top 1-4, 1220 Wien

Telefon: +43 720 116440

Fax: +43 1 953 50 19



Firmenbuchnummer: FN 269754y

Firmenbuchgericht: Handelsgericht Wien

Umsatzsteuer-Identifikationsnummer: ATU 62127727

Kammerzugehörigkeit: Wirtschaftskammer Wien

Tätigkeitsbeschreibung und eingetragener Gegenstand: Werbeagentur mit Schwerpunkt Internet Marketing

Gewerberechtliche Vorschriften: Gewerbeordnung (GewO; siehe BGBl Nr. 194/1994 in der jeweils geltenden Fassung)

Geschäftsführer: Ing. Mag.(FH) Christoph C. Cemper


Payment Provider

The settlement of the website via credit card takes place:
1, Place du Marché
L-6755 Grevenmacher
R.C.S. Luxembourg B 144133
E-Mail: info @
Heiko Strauß
Ramona Spies


By using our websites you agree to the following terms and conditions:

The evaluations, results, views and analysis expressed by LinkResearchTools GmbH on the websites, and are personal opinions of several internal and external SEO experts.

We do not pretend to have access to Google‘s algorithms and evaluation methods as they are not published and not accessible to any third parties. We use material published by Google, but draw our personal conclusions from our long experience in Search Engine Optimization, feedback from clients, observations from thousands of reports created and ongoing testing and configuration of our systems according to our best effort and knowledge.

The algorithms Link Detox Genesis® and the Link Detox Risk (DTOXRISK® and Domain DTOXRISK® are based on our research, experiences and personal estimations. The algorithms and the reports created by the programs LinkDetox® and LinkResearchTools do not reflect the official policy or position of Google or other Search Engine operators.

The automated reports created by LinkDetox® and LinkResearchTools are therefore also derived from personal opinions and conclusions based on experience, monitoring of the link graph derived from various link data sources, SEO metrics providers and thousands of users giving us their personal opinion about the quality of links and deductions we make from the correlation of those signals.

The labels given to links and websites, such as “High DTOXRISK®” are merely instructive and introduced for the sake of usability of the program and not to be taken literally.

SEO is not an exact science and we can therefore only give you opinions and recommendations. We ask you to critically review and double check the automated results, using your personal experience and direct viewing of the nature and content of websites that are shown as potentially harmful for your backlink profile and website. The links evaluated by the program as harmful do not always affect your search engine ranking.

Our evaluation of links is not a verdict on the content of the sites, but a specific and subjective estimation of their potential influence on search engine ranking.

If a website is evaluated using the domain wide Link Detox Risk (Domain DTOXRISK®), then no content of that website is evaluated. The result represents an estimation of the probability that that website could experience a loss in traffic due to penalization because of a violation of official or unofficial Google guidelines.

If the average Link Detox Risk (Domain DTOXRISK®) for a domain is very high, that does not mean that links being placed on that website to your website also pose a risk for you.

No follow

The impact on No Follow links on search engine rankings and penalties is discussed controversially. Google published that such links would be completely ignored. We believe that No Follow links can under certain circumstances still be harmful to search engine rankings and result in manual penalties, because Google generally tries to identify spamming intents. We regularly hear from clients that their penalty was only lifted after they investigated and removed large quantities of No Follow links. From this we conclude that Google in certain cases tries to identify intents of spamming even if No Follow links are used.

We therefore explicitly give you two possibilities to run our software

  1. Ignoring No Follow links - which will mean assigning a zero DTOXRISK® score to all links in our software.
  2. Activating the No Follow evaluation - which will result in calculation of DTOXRISK® score for No Follow links – albeit with a different risk scoring in the algorithms of Link Detox® than for FOLLOW links.

The results of Method 2 (“Evaluate No Follow”) are alternative evaluations of DTOXRISK® for all links including No Follow links, based on the assumption that No Follow links should be evaluated as well, although with a different calculation of risk scores.

Terms & Conditions (in German)

Terms & Conditions (in English)

We value your privacy. We will never give, rent or sell your personal information to anyone else.

Clients speak for LinkResearchTools

William Sears - Growth & SEO at LinkedIn

William Sears

"A huge part of SEO success is your backlink portfolio.

 Not only do you need to understand where your links are coming from, you need to be able to take action to manage those links. LinkResearchTools is an indispensable collection of powerful tools to do just that. I’m a long-time customer of LinkResearchTools and highly recommend it to anyone who is serious about crushing it with links."

Kenneth Chan, Founder and CEO - Tobi


"Your tools are the best in the industry.

 The service is great.

Christoph, your passion is contagious."

Larry Markovitz -  Sr. Director of Organic Search at GroupM 


"Continuous improvement of our client's results

LinkResearchTools and specifically Link Detox gives us actionable insights that continuously improve our clients results in the search engines."


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