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Thread: Hidden Link-Spam alert

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    Gooserider's Avatar
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    Feb 2009
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    North Billerica, MA, USA, etc.
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    Hidden Link-Spam alert

    I'm a mod on the Hearth.com forums, and I just discovered a new and different form of "link spam" that people had been running on us for a while, thought I'd spread the word on it in case it is being done here as well...

    For non-experts, "Link Spam" is an effort by the spammers to raise a sites Google page rank by increasing the number of links to that site from other web pages. While the exact algorithym that Google uses to generate page ranks is secret, links from other sites are a part of it.

    What I found by accident is that we had users registering and posting non-spam but "content free" posts, such as "Thank you for the information" or "very interesting thread" and then posting a link inside of color tags that are a match to the background - i.e. [ color=#004040][ url=http://www.spam.com]spamsite[/url][/color] (I chose a color that contrasts, and mistyped the tags on purpose)

    This didn't show up when the post is viewed in a thread, other than having your mouse pointer turn into a link pointer if you happen to go over the link, but (at least on hearth.com's software) will show up if you do a search on the right color=<value> as suspect threads. The link also shows up if you quote the message when replying to it - this is how I discovered it initially, as I was going to respond to a poster asking for more info about his problem...

    Might be worth looking to see if anyone is trying to pull the same stunt here... (BTW, I would congratulate you on doing a good job of keeping the spam down in general...

    Gooserider
    Free-form Inground gunnite pool, Estimated 16-17K gallons. New Pentair TR60 ClearPro 24" sand filter and Compupool CPSC-48 SWG, Hayward SP1607X10 Pump w/ 1HP motor, 1.5" plumbing, Polaris Pressure cleaner w/ booster pump. pool is more than 25 yrs old, less than 35. Not painted, deteriorating tile surround. I am paraplegic, get in/out of pool w/ S.R. SMITH PAL portable pool lift (significantly modified)

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Hidden Link-Spam alert

    I haven't seen any of that here yet. If someone did do that here, it wouldn't do them any good. We use the rel="nofollow" tag, so the link isn't counted by Google.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3
    Gooserider's Avatar
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    Feb 2009
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    Re: Hidden Link-Spam alert

    Quote Originally Posted by JasonLion
    I haven't seen any of that here yet. If someone did do that here, it wouldn't do them any good. We use the rel="nofollow" tag, so the link isn't counted by Google.
    Great, glad to hear it isn't a problem, just thought I'd mention it as something to watch for...

    Gooserider
    Free-form Inground gunnite pool, Estimated 16-17K gallons. New Pentair TR60 ClearPro 24" sand filter and Compupool CPSC-48 SWG, Hayward SP1607X10 Pump w/ 1HP motor, 1.5" plumbing, Polaris Pressure cleaner w/ booster pump. pool is more than 25 yrs old, less than 35. Not painted, deteriorating tile surround. I am paraplegic, get in/out of pool w/ S.R. SMITH PAL portable pool lift (significantly modified)

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