An In-depth Look at Cuil
Psst. If you’re on dialup, you might as well disable images in your browser and then try loading this page. This page is going to take forever if you attempt to load all the images.

Introduction
When people think about search engines and privacy, the might think of incidents such as AOL publishing the searches of more than 650,000 users and the New York Times identifying a woman based on her AOL searches. Google isn’t well-known for privacy either. Privacy International did a study and gave Google a failing grade (PDF). Nowadays, Google seems to be getting itself into privacy troubles all the time with projects such as Google Street View.
What’s that? It’s a bird! No. It’s a plane! No. It’s Cuil! Cuil is a new search engine that was a major subject of discussion this week. Cuil claims to have indexed a whopping 121,617,892,992 webpages.
Cuil’s successes
1) Privacy
Not only does Cuil claim to have a massive index, Cuil also apparently does not keep logs of user search activity.
Cuil protects your privacy. Click on the photo to view the original image. Original image created by Flickr user dogseat. No I will not put an lolcat in every blog post.
2) The user interface
Cuil’s user interface brings something new to the table. Other search engine result pages (SERPs) are somewhat lacking in the type of fresh design that Cuil has.
Click on the above image to view it full-size.
3) Suggesting different keywords
Cuil, while it may or may not give you good results on the first query, will give you some example queries to narrow or expand your searches.

Of course, the feature has some flaws.
Click on the above image to view it full-size.
An interesting Cuil feature is that the links bring up tooltips that have more information about whatever the link is.
Click on the above image to view it full-size.
The tooltips appear to be the from first sentence from the word’s Wikipedia page.
4) Generating hype
Man, it seems like everybody is talking about Cuil. You can see a list of other blog posts and articles at the end of this post.
Cuil’s mistakes
1) Irrelevant images next to search results
Cuil puts what it thinks to be relevant images next to search results. This isn’t very accurate, as the below screenshot shows.

TechCrunch has more on this issue.
This is a huge problem, as other people are very upset when they see irrelevant images when searching for their own names.
Of course, Google News has had similar problems.

I found this above image on this Google Operating System post.
The wisest approach for Cuil would have been to only suggest images when Cuil is really sure that the images are relevant. Google will often display a few image results along with the standard web results if the algorithm believes that the images are very relevant.
2) A bad first day
On the first day that Cuil launched, Cuil went down. Given how important a user’s first impression of a website is, it’s rather unfortunate that it went down. Again, I’m going to link to TechCrunch, where there’s a post on Cuil’s downtime.
3) The name
I’m fine with the name Cuil, but some people have been very vocal about the name. Nobody can come up with a name to please everybody, but perhaps Cuil should have spent more time thinking about whether Cuil was a good name or not.
4) The result count for queries
While Cuil claims to have have the most pages indexed, some queries in Cuil give far fewer results than other leading search engines.
This isn’t absolute proof that Cuil has barely any pages indexed; it could be the algorithm filtering out results that appear in other search engines.
Regardless of what causes the fewer results, users are disappointed.
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On a side note, i80and continues displaying his interest in old browsers and tried out Cuil in Phoenix (Firefox) 0.3. The result is below.
Click on the image to view it full-size.
Above, I promised a list of blog posts and articles that have covered Cuil. I obviously cannot list them all, so the below are just the ones that I believe are the highest quality blog posts covering Cuil.
- Time Magazine — Why Cuil Is No Threat to Google
- ReadWriteWeb — Cuil: Good, But Not Great
- GigaOm – Cuil Finally Gets Going
- Louis Gray — Can Cuil, Built for the Long-Term, Win the “Instant Analysis” Battle?
- Search Engine Land — Cuil Launches — Can This Search Start-Up Really Best Google?
- Bits (a New York Times blog) — No Bull, Cuil Had Problems
- Business Pundit — Cuil vs. Google? Not exactly.
- PC Magazine — The New Cuil Search Engine Sucks
- The Cool Cat Teacher Blog — Cool Cat Teacher’s Take on Cuil’s New Search Engine
Disclaimer: Cuil search result pages seem to change fast. Actual search results may vary. Do not submerge a computer with this blog post in water. Do not submerge any computer in water, unless it is waterproofed.
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