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Transcript du chat avec Matt Cutts et Stephanie Kerebel, Google
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Matt Cutts et Stephanie Kerebel,

On ne présente plus Google. Ce moteur de recherche (dont le nom est dérivé du terme "Googol" qui signifie "10 à la puissance 100") a été créé en 1998 par deux étudiants de l'université de Stanford (comme Yahoo!), Larry Page et Sergey Brin. Il est issu d'un projet de recherche de l'université. En juin 1999, les deux co-fondateurs lèvent 25 millions de $ de capitaux et lancent réellement l'outil qui est aujourd'hui basé à Mountain View, en Californie. Il est l'un des grands vainqueurs de l'année 2001, jouant un rôle majeur dans le domaine de la recherche d'information sur le web dans le monde.
Matt Cutts, Software Engineer, et Stephanie Kerebel, Globalization Specialist chez Google, ont répondé à vos questions le mardi 26 février 2002.
Logo Google Matt Cutts a rejoint Google en tant que "Software Engineer" en janvier 2000. Auparavant, il travaillait à son "Ph.D. in computer graphics" à l'université de Caroline du Nord à Chapel Hill. Il a publié des articles sur le "bureau du futur" ainsi que sur la reconnaissance d'objet dans les images compressées. Matt a écrit l'applicatif "Safe Search", le filtre familial utilisé par Google. Il travaille également pour le Ministère de la Défense américain et a également étudié des projets pour une sociétés de jeux vidéo. Pour en savoir plus sur son parcours : http://www.cs.unc.edu/~cutts/.
Stephanie Kerebel, Globalization Specialist chez Google, est responsable de la supervision générale de Google pour les domaines de la traduction et du support international. Elle s'occupe également des ventes et des présentations "business", de l'aspect publicitaire et promotionnel pour maintenir l'image de la marque "Google" en dehors des Etats-Unis.
Le Chat avec Matt Cutts et Stephanie Kerebel s'est déroulé (exceptionnellement en anglais) le mardi 26 février 2002, à 18h00, en partenariat avec Canalchat.
Voici le résumé de la conversation en ligne :
Good evening everybody, we are very happy to welcome Stéphanie Kerebel and Matt Cutts on the chat !
Hi there, good morning... Bonjour ! Greetings from Google!
Jules Vo-Dinh : What are the next evolutions which will see Google ?
That's a good question! I think that we'll see more freshness, depth, and file types. Over the next year, Google is going to be developing technology for searching new file types.
espotting: Will Google sell addwords and sponsored links direct or through deals with Overture or Doubleclick type of companies ?
Another good question. We have done deals of both these types in the past.
Jean-Delatour : Is it still necessary to fill up the meta-keywords ?
I think that we're open to either kind of deal. Let's see. Google uses meta-keywords, but not as much as most other search engines. I would still include them, but don't worry about putting a ton of effort into it.
Charles : What can I do to improve my Pagerank ?
The best way to improve your PageRank is to make sure that the people who should know about really do know about you; make sure that you look for links in the Open Directory Project, for example.
nanbowles : When I search on google.fr am I taping into the same database as my collegue in the Us taping the same search term into google.com?
We store all the data in one master index. Then we build a restrict of French language pages and pages in France. Note that we don't just consider .fr pages. Instead, we also look for .com pages which are based in France. That's one reason why our search on google.fr can cover more pages.
Olivier : When will you have headquarters in Paris ? I heard that the French manager is already known ? Is it true ?
We're just a software engineer and internationalization experts. We don't know everything. I do know that France is a very high priority for Google. And I think that France is slated to be the next office that we open up. I don't think that we can commit to a firm date, but I would definitely say within the next few months. France is an important market, and we can't wait to open an office there !
agedia.com : Did you use HTML comments to index web sites ?
I believe that we have the ability to index them, but we usually don't index comments.
novice : Did you plan a weblog category (http://blog.google.com) or tab in somewhere near future ?
What a great question. I think Google is moving more into "freshness" recently. We've started to crawl millions of pages each day, and our users really like that. I don't know whether we'll specifically do something special for weblogs. We'll have to see how many users ask for features like that; we love reading weblogs, so it might make sense to index them someday.
Yarnus : Does Google read "noembed" and "noframes" tags ?
I'm not sure about noembed tags. I know that we do read content in the noframes section. We index different text with different weights though.
Thy : Can Google index urls with a session ID like site.php?sessionID=qlkhfQFfhjelzhfklj45681qfd ?
Google can index anything :) No, seriously, we have the ability to index pages like this, but I think that most of the time we try to avoid pages with session IDs. The reason is pretty simple, actually. You could have one single page, but it might look like 10 different pages by the time we see it with many different session IDs. If you are a webmaster, here's a simple rule of thumb. Try to make each page look like a static URL. If each page looks a simple url, then Google is more likely to index it.
Sté [absoluNet.net] : I manage a little French web agency, I want you to tell us more about the popularity link used in Google, I wonder if the younger site, good and interesting, haven't yet link, and if Google don't show them for a good request, they never be include in the index, and they cannot be knew and so no have link to them?
In general, Google will find a site as soon as it finds 1-2 links to the main web page. We usually recommend getting at least one link from the Open Directory Project at dmoz.org. You might also try to find a directory of sites like yours and try to get a link there. The nice thing about Google is that it doesn't take a lot links to a site for us to find you. I know that my home page only has 4-5 links to it. :-) .
A.Woumblat : What are the reasons for a url to disappear from the Google database ?
Most of the time, it's because we only have a certain amount of space to store pages in our index. I wish that we could catch every page on the web for every index, but sometimes we have to choose. Usually, when a site drops out of the index, it's something simple such as the site was down when we tried to crawl it, or we ending up choosing a slightly different set of sites for the next crawl.
allergic : Have you plan to increase the number of request words Google can handle in a query ? For now is 10 max but in some case it is to low !
That's a good question. I'll pass that suggestion on. We were worried that people might type reeeeeeaaaaaallllly loooooong queries. But maybe we can find a way to increase that a little bit. :) I'll let you know if we can do that. Don't look for it anytime really soon though.
Thy : Is Google able to read and understand XML databases ?
We have the ability to parse XML documents, but we haven't decided exactly how we're going to expose that to the outside world. As you know, Google currently doesn't charge for submission or for inclusion, and we like that policy.
Gaetan : What is the part of popularity in your ranking ?
Let me take this question as a quick reason to explain a little bit about PageRank. Suppose that I have 10 links to my site, Gaetan. Now suppose that you have 4-5 links to your site. But if the link to your page is Le Monde and the link says "Gaetan rules!". Then that link would get more weight than if I just had my friends link to my home page. In effect, we look at the number of links that point to your page, which is like the popularity, but we also look at the quality of the links. So PageRank finds out that Le Monde and similar sites are higher quality than just my home page. :) .
waw : Since few weeks, refreshed pages stayed only 3 days in database. After 3 days, Google send again old title. Is it possible to know why ?
Basically, we do a full crawl of the web at least once per month. Those pages are guaranteed to stay in our listings for several weeks. We also do other crawls for high-quality pages and news pages. We get millions of those pages each day. However, we don't always crawl the same set of pages for those sites. We would probably pick those pages up in our next crawl, however.
Olivier : Do you plan paid submission in your index, like Fast, Altavista and Inktomi ?
Hee hee. Right now, we like our "don't charge for anything" plan. Also, that's been very popular with webmasters. The fact that we don't charge for inclusion/submission/crawling means that we can search out the pages that we think are the best. That is what helps to make Google a really good search engine. So: I hope not anytime soon ! :) .
Thom : How many people are working for Google ? And where ?
Good question. I think that we have just a little over 300 people working for Google right now. Most of the engineers sit all in one building in Mountain View, California (that's right in the heart of Silicon Valley). However, we also have many offices for sales all over the world. Besides sites in the US, we have offices in the UK, Germany, and Japan. And we can't wait to be in France! By the way, if you are a fantastic salesperson or a head of sales at some other search engine company, feel free to send us your resume. :) We're looking for good people in many places in Europe and around the world.
nanbowles : But, how do you make money?
I love these questions ! We make money in three ways. 1. Straight advertising. Because we have a very pure, focused, relevant search, plenty of people are willing to pay to advertise next to our search results. We have self-service advertising programs that people can set up in 15 minutes any time of day.2. We sell search services to other companies, such as Yahoo, Cisco, Netscape, RedHat, etc. 3. We just introduced an "enterprise" box. This is like Google in a box--you just plug it in, and it can index everything inside your company's intranet. It works fine inside a firewall--it doesn't have to talk to Google. So we're building up several ways to make money. It's nice to be profitable. (Sorry to go on for so long :).
Louis : How many indexes do you use ? Do you plan to use an index in Europe ?
We have one master index that we serve everything out of. We classify pages as belonging to different countries and languages, and then we can search over that smaller portion of the master index.
Laurent : If my site is listed in the Open Directory, will it be more rapidly included in Google ? Same question with Yahoo! and Nomade.fr in France ?
I think once we see 3-4 links to your site, you should be in pretty good shape. Getting high quality links is always your best bet to get noticed by Google.
junkidu : What is the percentage of click on the advertises next to your search results ?
It's 4-5 times the industry average. I've seen articles where people got 10% clickthrough by using very specific phrases in AdWords. But people should expect maybe 2% or something if they are careful. Here's a quick AdWords tip: start with very specific keywords to get a high clickthrough rate and then slowly make the words less specific to get more traffic with a slightly lower clickthrough.
nanbowles : How many server on Google's cluster ?
We lose count. :) It's over 10,000 at this point. We're starting to get a little scared because we think that one computer has learned how to order other computers. ;) .
alain : Will you sell your adwords to French portals (like for Earthlink in US) when you are in France ?
I certainly think that would make a lot of sense. AdWords is self-service, and the keywords can target French words already. We hope to translate our interface into other languages when we can.
waw : There is a big difference of results between "snowboard" and "snowboards", first one give results only from general websites, second one only from company websites, and I think companies try to appear in the first one results. Keywords are only ASCII Code or Google is able to understand the meaning of a keyword?
Right now, Google is a lot like the index in a book. You look up one specific word, but Google doesn't always know to suggestion an alternative. I think that over time, Google will "understand" language more and more. Already, we've introduced spell-checking in several languages that can suggest other words if we think that there was a typo. It makes sense that we'd like to know more about what people want over time, instead of just looking up keywords. :) .
Sté [absluNet.net] : I wonder why when we come on www.google.fr, the default search isn't on France or francophone but in web?
That's a good question. I think that we don't want to restrict the search unless people ask for it. I'll pass that suggestion on to our UI people though, to get their reaction.
eurienta.com : How does Google handle words with accents like Noël?
We've introduced features to handle lots of accents. I think that we have the ability to do accent-sensitive search without any problems.
cmic : When are you going to have your IPO?
Hee Hee. We'll cross that bridge when we come to it. I think we want to make sure that all our ducks are in a row.
Olivier : What is the difference between www.google.com, www2.google.com, www3.google.com, etc. ? Different indexes ?
That's a good question. These servers are for internal test purposes. They are visible to the world so that partners can check out features, etc. We don't make any guarantees about them--personally, I wouldn't use them myself.
agedia.com : Does Google index HTML encoding caracters (é ..)?
I believe that we do, but I'm not 100% positive. We do handle escaping like this for most cases. It's hard to write a search engine that handles all languages and character encodings and accents perfectly, especially for Chinese/Japanese/Korean, but we're trying.
zouriteman : When we submit a site to you , why you don't give us a automatic feedback at our e-mail, when your search engine inspect the site ?
We would probably be accused of sending too much email spam. :) Seriously, Google can crawl millions of pages each day, so we'd hate to flood webmasters with too much mail. The one thing that I'd recommend is to use a web host where you can get access to server logs. That way you can just check your server logs to see when Googlebot visited. We always use a clear user agent so you can tell when Google dropped by. :)
Paul : Is the "comments" line on the submission form (http://www.google.com/addurl.html) useful on Google ?
It doesn't hurt to use it. The bots don't look at it, but if a human is looking at the submit log, then it can clarify things.
Thank you very much Matt Cutts and Stéphanie Kerebel, a word to conclude the chat ?
Merci de l'intérêt que vous portez a Google ! Nous adorons nos utilisateurs français. (That was Stephanie). :) I was in France in December--I love your country! Thanks very much! We have to head out, but thanks very much for letting us be here, and keep making google.fr the #1 search engine! :) Take care.
Et mille mercis à Matt Cutts et Stephanie Kerebel pour avoir répondu en direct aux questions des "chatteurs" !
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