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salam every one, this is a topic from google web master centrale blog:
Webmaster Level: All

If you allow users to publish content on your website, from leaving comments to creating user profiles, you’ll likely see spammers attempt to take advantage of these mechanisms to generate traffic to their own sites. Having this spammy content on your site isn't fun for anyone. Users may be subjected to annoying advertisements directing them to low-quality or dangerous sites containing scams or malware. And you as a webmaster may be hosting content that violates a search engine's quality guidelines, which can harm your site's standing in search results.

There are ways to handle this abuse, such as moderating comments and reviewing new user accounts, but there is often so much spam created that it can become impossible to keep up with. Spam can easily get to this unmanageable level because most spam isn’t created manually by a human spammer. Instead, spammers use computer programs called “bots” to automatically fill out web forms to create spam, and these bots can generate spam much faster than a human can review it.

To level the playing field, you can take steps to make sure that only humans can interact with potentially spammable features of your website. One way to determine which of your visitors are human is by using a CAPTCHA , which stands for "completely automated public Turing test to tell computers and humans apart." A typical CAPTCHA contains an image of distorted letters which humans can read, but are not easily understood by computers. Here's an example:


You can easily take advantage of this technology on your own site by using reCAPTCHA, a free service owned by Google. One unique aspect of reCAPTCHA is that data collected from the service is used to improve the process of scanning text, such as from books or newspapers. By using reCAPTCHA, you're not only protecting your site from spammers; you're helping to digitize the world's books.

Luis Von Ahn, one reCAPTCHA's co-founders, gives more details about how the service works in the video below:


If you’d like to implement reCAPTCHA for free on your own site, you can sign up here. Plugins are available for easy installation on popular applications and programming environments such as WordPress and PHP.

this is a topic published in 2013... to get contents for your blog or your forum, just contact me at: devnasser@gmail.com
Seo Master present to you:
Are you searching for a way to make money onlie? Google Adsense would be one of the best choices because Google has proven itself as a leader in the entire web space through their adwords and adsense program. Google AdSense seems to be an essential part of any
website where the publisher seeks to keep quality content available for free. However, what whether you are not accepted into the Google AdSense program, or you don't want to do business with Google. Sometimes publisher or a blogger also required to take a look at the alternatives of Google Adsene to make money online just because Google has banned a publisher account for click fraud or not adhering to their policy.
Perhaps if that may be not the case and you are having an adsense account. There are a number of contextual ad programs which you can run along with Google Adsense to make some extra cash online.


There are lots of contextual advertising network currently offered on the internet and it may confuse you to opt a better alternative of Adsense. So here you can go with my personal top 5 Google Adsense alternativesrecommendations to make money online. But before choosing an alternative to Google Adsense, I would suggest to check out what kind of traffic you are generating to your blog.
1) Adbrite

According to me, Adbrite is currently probably the most popular ad networks after Google Adsense to make money online. The most efficient feature I like about Adbrite is, approval and rejection of each advertisement in users' control before it's displayed on their websites or blogs. It helps to display advertisement related to the content of your blog. Furthermore you are allowed to modify the style of advertisement according to your blog format. Adbrite offers ads by content, banners, in-line text ads(such as Kontera or Infolink), and full page ads. To make money through Adbrite, You need to register with their website and they will your website/blog withing couple of days.

Payout: 100$ or you can choose.

2) Bidvertiser

Bidvertiseris another good alternative of Google Adsense. It's somewhat similar to Google Adsense and offering you only contextual and feed advertisements. Their ad formats look such as Google Adsense ads. The most important thing I like about Bidvertiser is that they offer your ad space to the highest bidder. So Bidvertiser could be a good choice for you. However, these ads cannot be used along with Adsense but it could be a great choice if you are not having an adsense account.

Payment: Paypal and Checks.Payout: Min $25 by Check, Paypal min $10

3) Infolinks

In-text ads (also called inline ads) are presently on the edge of becoming standard practice. You can now find In-text ads all over the web, covering billions of page views and generate millions of dollars in revenue. And Infolinks is leading the in-text ads providers. Upon a mouse hove on double-underlined links, a small bubble holding an advertisement will be opened up. You will generate revenue when your visitors will click on those links. This is the basic ad formate of Infolinks. It could be a good choice for blogs which are generation high traffic. It's pretty easy to setup. Register with Infolinks website, copy and paste a short JavaScript code on your blog and your accounts will be reviewd within 24 hours.

Payment: PayPal, Bank Wire, ACHMinimum payout: $50

Honorable Recommendation:

How to Create Blog that Make you Money


4) Kontera

Kontera is the second most popular inline text ad network. HubPages also allows revenue sharing using Kontera In-Text ads. You just need to add your Go in your HuPage Account, click on AffiliateSettings, add your Kontera Affiliate Code in the field of Kontera and you are done. Now onwards, each time you create a new Hub, Hubpages embeds Kontera In-Text advertising for you. Your blog will require good page impression to get approval in Kontera. However, they offers good customer support and pays on time. What I like about Kontera is their affiliate program. Kontera has it's own affiliate program which can help you make some extra cash. If a publisher sign up through your affiliate link, you will receive a bonus of 10% of their Net Revenue for the first year with Kontera. However, I would suggest to go through their terms and condition before you go with Kontera Affiliate Program.

Payment: PayPal, Bank Wire, ACH (Only for U.S. bank accounts)Minimum payout: $50

 Recommendation For You:

How to Make Money with oDesk


5) Chitika

Chitika was founded in 2003 and having hundreds of name brand advertisers and merchants. Chitika could be a good alternative if your blog is all about review and promoting products. Do strong keyword research on a product your are going to promote and you will earn better with Chitika. We also use Chitka for our blog.

Payment: Paypal and checks.Minimum Payout: $10 for Paypal, $50 for checks.

Recommendation:

Why Money Is The Most Important Thing Of The World?


There are many other ways to make money online. If you are good in writing fresh, informative and original content, you can start making money on HubPage itself using Amazone and Ebay Affiliate Programs.

Do you have feedback of using any of Google Adsense alternatives? We will appreciate if you would like to share them below in comment box.
2013, By: Seo Master
Seo Master present to you:
Hayes
Josh
by Joshua Marantz, Google PageSpeed Team, and Hayes Kim, EdgeCast Networks

At Google we want the whole web to be faster. We've built a fast browser, improved image encodings, developed better network protocols, and provided PageSpeed tools and optimization libraries. In November 2010, we launched mod_pagespeed, an open-source Apache module that speeds up web sites by rewriting HTML, JavaScript, CSS and images to reduce size, eliminate HTTP requests, and improve browser performance.

mod_pagespeed adoption is growing rapidly. Now EdgeCast Networks, one of the world’s largest CDN operators, has integrated mod_pagespeed into the core of its content delivery network and is making it available as an option in its Application Delivery Network (ADN) service offering.

Hayes Kim, EdgeCast Senior Product Manager, had this to say: "Edgecast has integrated mod_pagespeed alongside our HTTP engine and deployed this to our ADN edge locations worldwide. Our solution enables optimizations in real-time and local to the end user, leveraging the full compute capacity of our edge nodes. We leverage the local edge caches for the unoptimized resources and then cache the subsequent optimized resources processed by mod_pagespeed. EdgeCast's integration can speed up millions of websites either served directly by EdgeCast or indirectly through hosting providers using our technology."

Hayes says that early results show up to a 77% pageview performance improvement when leveraging the ADN service with mod_pagespeed, and a 33% performance improvement from mod_pagespeed alone.

Gogotech, an e-commerce solution provider, has been evaluating EdgeCast's ADN and edge optimizer services, with promising results so far. "This solution looks to be a strong contender for further improving our offerings to Gogotech clients, and we are looking forward to seeing it develop," said Alex Bolduc, IT Director at Gogotech.

The following images and this video show how mod_pagespeed and EdgeCast's ADN are speeding up a Gogotech site.

comparative graph showing improvement with pagespeed

You can find more details about EdgeCast's mod_pagespeed integrated offerings here. And you can find information on Google’s PageSpeed technologies and tools here.


Joshua Marantz is a Software Engineer on Google’s Pagespeed Automatic team in Cambridge, MA, which is dedicated to making the web faster for everyone. Josh has been working on making software run fast for several decades, at Google and before that on accelerated chip simulation.

Hayes Kim has over eleven years of product development and leadership experience in online advertising, e-commerce, web acceleration, and social media. At EdgeCast, Hayes manages the development of the core HTTP technology that powers the CDN and Application Delivery Network.


Posted by Scott Knaster, Editor
2013, By: Seo Master
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