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This question already has an answer here:

NB The following is a community-generated list of websites that republish Stack Exchange content without attributing it properly. It is no longer being maintained, because the procedure for reporting such sites has changed; see the duplicate for more information.

There are a number of license-violating clones of Stack Exchange sites popping up that use Stack Exchange's CC-wiki data without following our Creative Commons attribution terms. Those terms are linked at the bottom of every Stack Exchange webpage, and are also included as a .txt file in every data dump we produce.


Google now has a form for reporting content copiers that appear above the originals in search results.

Also, you can block unwanted sites from appearing in Google search from the search page itself:

The option to block a site appears when you click a search result and then navigate back to the search results page. Click the "Block" link next to that result to block all pages within the site's entire domain.


This post was created as an attempt to organize information originally posted in this answer. You may also be looking for the post for reporting copycat sites that outrank Stack Exchange in search results.

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locked by Pops Nov 7 '13 at 16:05

This question exists because it has historical significance, but it is not considered a good, on-topic question for this site, so please do not use it as evidence that you can ask similar questions here. This question and its answers are frozen and cannot be changed. More info: help center.

marked as duplicate by Pops Oct 9 '13 at 20:24

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

26  
I have never seen the CAPTCHA page as often as I did when I was adding the existing 40 or so answers to this question. –  Pops May 8 '12 at 20:20
30  
That is because you pasted. Try typing... Like a real person :) –  Jeff Atwood May 12 '12 at 15:20
32  
...yeeeeahhhh, I prefer the CAPTCHAs. –  Pops May 12 '12 at 21:17
17  
@JeffAtwood I would put a poison pill question(s) that only those APIs presented so that you could automatically re-scrap via Google and easily find infringing sites. Much like cartographers do on physical maps by putting fake locations or markers to easily spot copies. The thieves would never know what to look for and you could easily make this an automated process. –  Jarrod Roberson Jul 14 '12 at 6:04
3  
@Jeff is this handled at some level? Can we know which sites were reported and closed? –  Shadow Wizard Aug 8 '12 at 10:58
8  
@ShaWizDowArd I don't have a handy list of sites that have been dealt with, but we do monitor this thread and contact offenders. This post isn't just a black hole. :) –  Anna Lear Aug 31 '12 at 22:25
3  
Is there a reason the original list of offenders was split into countless posts over multiple pages? Giving it its own topic, sure, but splitting into individual answers just makes searching for existing entries a PITA and invites duplicates. –  Daniel Beck May 27 '13 at 8:49
2  
@AnnaLear The RNQA site seems to still be going strong; here’s an ELU meta post about them scraping content from ELU. If there is anything more we can do, please let us know and we would be glad to pitch in in any way we can. Thanks. –  tchrist Aug 4 '13 at 20:14

127 Answers 127

unobaord.com & coderesource.org

  • Links to the Stack Overflow main page (no follow)
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Globberstack.com

  • No older posts. Assuming MSO post is accurate (new posts adhere to rules and are no follow)
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developerquestion.com

  • Links to Stack Overflow question (no follow)
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johnnycoder.com

  • Example (http://johnnycoder.com/blog/2008/11/10/run-cmdexe-as-local-system-account/)
  • It looks like for this one, the person who posted it also has his own blog and posted the question there. He doesn’t link to us or any of the people on Stack Overflow who answered, but he doesn’t quote that text either - looks like he was just trying to get other answers from his readers.
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apacheserver.net ("Best unofficial Apache Server developers community")

  • Question links redirect to homepage, on which I can’t figure out what’s happening.
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drija.com

  • Example (http://drija.com/multiple-monitors/54867/how-to-move-an-applications-dialog-box-from-a-disconnected-monitor-to-the-main/)
  • This is a copy of the SU question How to move an application's dialog box from a disconnected monitor to the main, which links to another super user question (it includes a link to the second super user question, but not the one it copies)
  • Does not indicate the post came from Stack Exchange
  • Lists and includes links to asker and answerers
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questionhub.com

  • Example (http://www.questionhub.com/StackOverflow/1341075)
  • Aggregates Q&A’s from all around the web
  • Format: copies text of question, then links to our question as the answer
  • Does indicate that it came from Stack Overflow (logo in corner)
  • Hyperlinks to our question
  • Links to user who asked question and displays their name (bottom of page says “Post X days ago by _”)
  • Does not link to users who answered - but they don’t display the text of answers either (their answer is a link to our question)
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genmaint.com

  • Example (http://www.genmaint.com/kill-ajax-requests-using-javascript-using-jquery.html)
  • Note: they describe themselves as “A collaboratively edited question and answer site.”
  • Indicates it came from Stack Overflow
  • Links back to original post and user profiles
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fr.w3support.net

  • Example (http://fr.w3support.net/index.php?db=su&id=9811)
  • Doesn’t acknowledge it came from Stack Overflow, link to Stack Overflow, or any of our user profiles
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lampcms.com

  • Question is attributed properly
  • Answers are attributed to users, but not directly to Stack Overflow
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nujk.com

  • Example (http://www.nujk.com/timer-job-from-a-spweb) (original)
  • copies the adzerk divs, that is the only attribution
  • mangles usernames
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ency9.com

  • Example (http://www.ency9.com/gadget/indexing-for-google-scholar-which-tags-to-use/) (Original on Webmasters SE: Indexing for Google scholar, which tags to use?)
  • no mention of Stack Overflow anywhere on the site
  • no usernames at all, let alone credit to Stack Exchange users
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need-programmer.blogspot.com

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news.puppin.org

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SoftwareTalk.info

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bigresource.com

  • Example (http://asp.net.bigresource.com/MVC-3-Razor-Syntax-partial-view-Menu-cshtml-with-full-markup-a9sAFbss8.html) (Original on SO: ASP.NET MVC 3 Razor Syntax question)
  • No attribution
  • No links
  • They mangle the original text (e.g. leave out salutations)
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1  
That site is actually taken questions from all the popular websites and showing only the question and a link to jump to the main website for answer. –  Ali Adravi Oct 20 '12 at 15:46
13  
Interesting that the website in your profile is advancesharp.com, another copycat site... why would you use both that and SO? –  Pops Oct 30 '12 at 9:47
7  
This one is actually starting to show above SO in certain PHP related searches. Worth blocking *.bigresource.com as it keeps 'getting even bigger'. –  Tim Post Jan 29 '13 at 2:01
12  
I really despise that site –  Chris Laplante Apr 28 '13 at 19:02

streamreader.org

  • Gives attribution to users and links to their Gaming Stack Exchange profiles
  • Does not link to the Gaming Stack Exchange question
  • Mangles some of the text even
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sharepointqanda.com

  • No attribution at all whatsoever
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iappnow.com

  • no attribution at all
  • “Continue here” link is broken (seems to direct to some original source)
  • there is a <link rel=”stackoverflow.com/...> in the page source but it doesn’t seem to do anything
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gardenquestions.com

  • has an attrib link at the bottom claiming to get content from the Stack Exchange data dump
  • no credit to users or link to the question
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jqpoint.com

  • links back to the Stack Exchange question, but nofollow
  • no asker or answerer attrib
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applerr.com

  • no reference to SO or SE in any way
  • no attribution to users
  • does not post the answer
  • claims its own copyright on the content!
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www.aspwinhost.com

  • changing names of the users
  • replacing links of users to a single Indian site
  • claims copyright on the content
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answerleaks.com

  • Missing attribution of answers (example here: http://meta.superuser.com/questions/3555/can-we-do-something-about-sites-copying-content-from-super-user-redux)
  • nofollow in footer links to Stack Exchange sites (but regular links to the site otherwise)
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justlogged.com

  • no attribution at all (at least not with JavaScript blocked)
  • The last editor is misattributed as the asker of the question and the link is to the main page of justlogged.com
  • Example: www.justlogged.com/Question/3/2786/fb3f76858cb38e5b7fd113e0bc1c0721
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codinganswers.info

  • does contain link to "original source" but no author attribution
  • example question with my own content: http://codinganswers.info/index.php/2010/11/stackapplet-stackoverflow-meets-the-gnome-desktop-v1-4-released/
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www.texmach-intl.com

  • absolutely no attribution anywhere
  • example question with the same content as the above offender: http://www.texmach-intl.com/stackapplet-bringing-stack-exchange-notifications-to-your-desktop-1-5-beta-2-released/
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bicycles.vniup.com, b.vniup.com, and www.vniup.com

  • content on bicycles is from [Bicycles.SE] (I recognized it) and content on www sure looks like it's from other SE sites
  • In addition, there is scraped content from:
    • CSTheory.SE (see http://vniup.com/index.php/category/computer-science/)
    • English.SE (see http://b.vniup.com/index.php/category/english-learning)
    • Electronics.SE (see http://b.vniup.com/index.php/category/electronic)
    • Gaming.SE (see http://b.vniup.com/index.php/category/gamer)
    • GIS.SE (see http://b.vniup.com/index.php/category/geographic-information-system)
    • Home Improvement/DIY.SE (see http://b.vniup.com/index.php/category/house-improvement)
    • Physics.SE (see http://b.vniup.com/index.php/category/physics)
    • Sharepoint.SE (see http://b.vniup.com/index.php/category/sharepoint)
    • TeX.SE (see http://b.vniup.com/index.php/category/text-and-document)
    • AskUbuntu.com (see http://vniup.com/index.php/category/ubuntu)
    • AskDifferent.com (though it seems to be only this question repeated over and over...)
    • Unix & Linux (see http://vniup.com/index.php/linux-unix/)
  • The categories on vniup.com itself seem to be scraping some of the larger Ubuntu tag feeds.
  • Shows names of answerers, but not askers. There is no further attribution to SE or any indication that the site is not providing original content.

Edit:

  • Can't see any attribution what-so-ever on the site, not even usernames
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gamingqna.blogspot.com

  • Content from accepted questions is actively being scraped off of Gaming since July
  • There is no attribution for neither questions nor answers
  • The only link back to Stack Exchange is an obscure nofollow "more discussion" link

Update June 2012

  • Appears to abid by attribution rules now - sidebar indicates content is from Gaming, author names for both question and answer appear and are linked, and a "more discussion" link goes back to original question
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6-da.com

  • Example (http://it.6-da.com/show/6939570.aspx) (original)
  • No names, links, or any attribution whatsoever. Contact link does not work.
  • Requires one to subscribe to see the accepted answer! (screenshot) That reminds me of some other site...
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