ZEEF search results for Growth Hacking

Solving the flaws of algorithmic search using the wisdom of the crowd

What do ZEEF pages like WordPress, Amsterdam and Growth Hacking have in common? The answer: they all have multiple passionate curators. Let’s have a closer look at the Growth Hacking pages. Which page is the best? Is it David’s, or perhaps Luca’s?

If you want to find quality information, who do you trust?

When we started with ZEEF, we believed that competition between curators on the same subjects would safeguard the overall quality of the platform. Now, with the amount of pages on ZEEF increasing, the question arises: how can we accurately rank competing pages on the same subject and who determines this? At ZEEF we believe in the power of human knowledge. As such, we’re convinced that the level of human engagement with a ZEEF page is what really defines the value of a page.

It is possible to analyze algorithms and trick them. Ever heard of Search Engine Optimization? That’s exactly what it is: beating the algorithm in your advantage. In search engine land, bigger budgets essentially mean more brainpower to trick search algorithms and more money to spend on things like backlinks or direct advertising. As such, search results do not necessarily reflect the best quality results anymore, but the biggest marketing budgets. There are essentially two ways to get yourself on the first page of a search engine: 1) by directly paying for it through an Ad, or 2) by indirectly paying for it, through a large Search Engine Optimization budget. In addition to this there are a lot of other flaws such as incomplete references, untrustworthiness, lack of categorization, etc.

2015 Golden ZEEF Award Contest

Over the last few months, we’ve worked on an initial Page Quality Score model that takes the most important human engagement indicators into account. Behind the scenes we’ve already put the model to the test with existing ZEEF pages, with some pretty impressive results! Before putting the model “in the wild,” we would like to see the model in action with a fresh set of pages.

That’s exactly why we’re organizing the 2015 Golden ZEEF Award contest! During this 30-day contest we want to finetune the initial model with input from our awesome community. In addition to contributing to the future of online content navigation, there are also some great prizes you can win. Everyone is invited to give feedback and input on the model which we will transparently provide in a spreadsheet.

Many pages have already been submitted to the contest, but it’s not too late to participate! The contest starts on March 31st and runs for the entire month of April. Join us in our quest to define the perfect quality score:


Support our Thunderclap campaign!

Social media is an easy way to say something, but it’s a difficult way to be heard. Thunderclap is the first-ever crowdspeaking platform that helps people be heard by saying something together. It allows a single message to be mass-shared, flash mob-style, so it rises above the noise of your social networks. By boosting the signal at the same time, Thunderclap helps a single person create action and change like never before.

Do you think everybody should hear about ZEEF? Then join our Thunderclap campaign! We need 100 supporters before June 17th to make this happen, so please show us your support and ask your friends and family to support us as well!



Increase your authority by curating content

This article is a reply to the article ‘Why Curated Content on Your Website is an Ineffective Waste of Time‘ by Marcus Sheridan on

“But when your website consists mainly of articles from other sites, how in the world will that establish YOUR company as the trusted and expert voice at what you do? How will it generate leads? How will it help you earn new customers?” — Marcus Sheridan

I agree that just adding content created by someone else to your own website doesn’t add value for your customers. Though I do think that curating content online brings a lot of value when it’s done properly. The scope of Marcus’ definition of content curation in his post is a bit limited in my opinion.

A search engine, like Google, by definition is a content curator. A newspaper, at its core, is a content curator as well. These two examples are just a selection of proven business models that bring value to its users based on content curation.

The difference between these two models is that the first one, Google, is curating content (semi-)automatically. It’s based on the concept of one website linking to another website, indicating that the first website curates the second website as a website that brings value to the first website’s customers. Based on this concept (without categorization), semi-automatic curation is achieved. The curation is done by algorithms, while the linking between websites itself is human curation, since websites are maintained mostly by people. A newspaper on the other hand is based on manual curation only, since a human selects content he or she thinks brings value to their customers and reports about just that content.

Your brain is curating the flood of information you receive all the time, every day, every hour. Your own opinion and knowledge is an aggregated and curated result based on this continuous stream of information that’s being processed in your brain. Online, as well as offline, people like to rely on expert knowledge. If your friend, who is an expert on, for example, washing machines tells you which websites you should visit for the best information, while Google gives you a different list of websites to visit, who do you trust?

At, we believe crowdsourced content curation by passionate experts is the future of finding quality information online and supporting a consumer in his or her decision making process. By ranking and categorizing links to the best content online at ZEEF, you are giving your opinion about content instead of just plain re-publishing content. As a company or blog, you can never cover every aspect of a subject yourself, but by curating content on other blogs you add additional value for your customers even when you can’t provide the content yourself at that time. This will help grow your authority on a subject, by curating content that was created by other people and not by just creating your own content.

Categorized link blocks on ZEEF can be embedded on your own blog as well, like AdSense blocks, but with much more value and relevance than AdSense does. ZEEF link blocks contain hand-picked and ranked links. Selecting blocks of links on ZEEF for your own blog is a form of content curation as well.

If you’d like to read more about content curation, check out these great resources as well:

The best tools to become a great content curator yourself can be found on the ZEEF expert page about Content Curation by Robin Good.


ZEEF at The Startup Keg

The Startup KegThe Startup Keg is a new initiative by Pitchrs Events to support the Amsterdam startup scene in becoming a more united community. The idea is pretty simple, Pitchrs Events explains the initiative as “every second Friday the startup keg will move to a new startup office in Amsterdam. This is one free keg of beer and other startups to shoot the breeze with and that’s it!”. Future editions of The Startup Keg will be hosted by ZEEFNouncy, Springest and PressDoc to name a few startups.


nineconnections hosts The Startup Keg, September 13th of 2013

The first edition of The Startup Keg was hosted by nine connections on Friday the 13th at the Keizersgracht in the center of Amsterdam.

Host The Startup Keg ImpressionZEEF team members Rick Boerebach and Diederik van Ginneken visited this first edition. The event started at around 17:30 and after half an hour the office became pretty crowded as more people started arriving. At around 20:00 the keg of beer was empty and everybody was kindly asked to leave the office. We had a great evening and met a lot of interesting startups!

ZEEF hosts The Startup Keg, September 27th of 2013

The next Startup Keg will be hosted by ZEEF on the 27th of September 2013. We are looking forward to drink a beer with all of you at our office! Click here to attend.



Broodje Kaas “Slice of bread with cheese”

The Amsterdam Centre for Entrepreneurship has a weekly recurring event called ‘Broodje Kaas’ (English; Slice of bread with cheese). They invite a guest speaker and let him/her talk about his/her life as an entrepreneur and how they came to where he/she is at now, while attendees can eat slices of bread with cheese.

A while ago Klaas, our CEO, was invited as guest speaker and today was the day for him to take the stage.
Broodje Kaas 1

Klaas explaining how affiliate marketing works.
Broodje Kaas 2

At the end of his talk, ACE told that every entrepreneur should be a little bit crazy to change the world and gave Klaas a ‘Crazy Doll’. It’s now happily sitting on his desk.
Broodje Kaas 3


Pitching ZEEF using a moodboard

Pitching ZEEF using a moodboard for my minor entrepeneurship

For my minor entrepeneurship at the Amsterdam Centre of Entrepeneurship I had to pitch with a moodboard.


Try to imagine the number 51 million. That’s the amount of new websites that emerged in 2012. How do you find what you’re looking for in a dense forest like the world wide web?

A few weeks ago my washing machine stopped working and I desperately needed to buy a new one. I spend a lot of time Googling for a new washing machine, but didn’t manage to find what I need. It’s not clear anymore whether information is actually valuable, paid for to look valuable or the result of eager Search Engine Optimization guru’s.

Eventually I ended up going to the store to ask an expert for advice and ended up a happy customer with my new Samsung ECO Bubble.

We at ZEEF all encountered this problem a lot of times and wondered; where do we find a search engine that provides expert help?

We couldn’t find one.

With the help of passionate experts who filter and moderate links about their subject, we think we can offer the best results the world wide web has seen so far, making sure you buy the washing machine that really fits you for the right price.