SEO Tips & Tricks – Avoid Black Hat
http://www.melbourneseoservices.com/dvd
There are some good SEO tips and tricks that can help you achieve a high rank. Be mindful though that there are also some practices that can get your site penalized or delisted. Find out from the video what Dave’s ultimate list of black hat techniques to avoid are.
This video clip is taken from the Melbourne SEO workshop. To get more top SEO tips, get the whole workshop at : http://www.melbourneseoservices.com/dvd
Duration : 0:5:13
http://seofollow.net/blogArduino LED communication
Two Arduino boards have an LED pointed at each other, and by using the LED as a photodiode are able to detect the other LED flashing.
To start with they both flash briefly and then look for another LED’s flash, if they capture the tail of another flash they immediately flash again, which is detected by the other LED, which flashes again etc.
This leads to very fast backwards/forwards flashing, and at this point the two devices are synchronised and the second red LED lights up.
While synchronised, data can be transferred, by altering the length of the flash. Holding down the button on each arduino transmits a binary 1 instead of the normal 0, which lights up the LED on the other board.
While the software doesn’t yet support longer streams of data, I plan to add this support so that small pieces of data could be sent from one to the other, with all sorts of uses, such as door locks/authentication/etc.
Source code is available at https://randomskk.net/u/code/arduino/LEDcomms.html
(remove the space between LED and comms! YouTube inserted it apparently).
Duration : 0:0:38
Is having multiple domains display the same content considered black hat SEO or will it otherwise hurt rank?
Let’s say my name is Got Answers, and I’m in the chair selling business. I want as much organic SEO traffic as possible, in addition to my PPC traffic. I meet a lot of people around town, and of course, I have friends I’ve known a long time. My business card says gotanswers(dot)com on it b/c that’s my name and how they know me. On the other hand, people I don’t know who might be searching the web, might be more inclined to click on a link that says chairsalesman(dot)com and maybe even if I live in Boise Idaho I might want one that says chairsalesmanboise(dot)com . I have the same webpage I just want to upload it to several different domains to increase exposure and marketing. I’ve been reading Google Webmaster topics and can’t decide if this will help, hurt, or have no impact on my organic results.
What do you think? I figure it will at worst have no impact, I’m not really trying to trick the search engines, I’m just trying to make myself marketable to people I know, people I just met, people I’ve never met, etc.. and various urls might play better with different people..
In my opinion, it will not a proper Black Hat SEO but multiple domains of a same site will hurt the rank of the parent site. To gain more exposure in more regions of the world, you can make small page relating to different regions and connect them with the main web page promote those pages with the main page.
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Duration : 0:0:55
Black Hat Spam SEO
Google Tech Talk
September 2, 2010
ABSTRACT
Presented by Julien Sobrier.
For some time, attackers have leveraged Search Engine Optimization (SEO) techniques in order to promote malicious web content targeting end users. Google has researched this phenomenon and recently announced that fake antivirus pages now represent 60% of the malware associated with popular search terms and these attacks continue to grow in prevalence. The Zscaler Research Team has also shown that some popular search terms from Google Trends, have malicious links to fake antivirus pages in up to 90% of all links within the first 100 results returned. Attackers have even managed to display malicious links as the first result for popular searches.
Moreover, we have found that more than 50% of popular searches contain at least one malicious spam SEO link in the first 10 pages. Is Google doing enough to protect its users? In this talk, we’ll debate that question.
Julien Sobrier, from Zscaler, will talk about Blackhat spam SEO on Thursday 09/02 and address the following:
• What is Blackhat spam SEO?
• How do attackers leverage spam SEO?
• How prevalent are spam SEO attacks?
• What different types of attacks are involved?
• What can search engines do to better protect end users?
• How can end users protect themselves?
Duration : 0:43:10