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Do you know that there are 30,000 websites are hacked in a day. To understand how Google fight spam websites, we need to which type of websites are considered as spam.

Graph showing websites that are added for removal from search engine
Source: Google
In the graph you can clearly see that websites with thin content are added for removal after pure spam websites. Websites unnatural links are added for removal are in the third place leading to hacked sites at the fourth place.






Cloaking and/or 301 redirects


 These web pages shows one type of content for human visitors and other content for Google bots. So that when bots crawl the web page, it look like a valid page with good content. For a human visitor it may look like a websites with some not so good content. Sometimes these sites use 301 redirects to redirect human visitors to other pages and that way lead to bad webpages.

Pure spam websites

Content that copied from other websites, stuffing keywords in webpages, automatically generated content using software etc. These are easy to find out. You can see the explanation of fighting spam by Google they have copied one content and pasted it below the link. https://www.google.com/intl/en_us/insidesearch/howsearchworks/fighting-spam.html. The explanation under heading, “Unnatural links from a site” is shown twice at the web page which is scraping content and according to Google this is policy violation. May be BOSS can do anything.

Unnatural or deceptive links from site

 Website administrators should be careful about this. While link building, website administrators may add links from other websites in abundance. However, this may lead banning the webpage and website.
Hacked sites – Website managers will get information from Google if their websites are hacked and out listed from Google’s search results. http://googlewebmastercentral.blogspot.in/2010/03/is-your-site-hacked-new-message-center.html.

 Spam free hosts, spam dynamic DNS providers, websites with no content like parked domains, thank you, welcome pages and 404 error pages, or duplicate content and user generated spam.


 You could check whether your website is hacked by visiting http://sitecheck.sucuri.net/. Sucuri checks the website in Google safe browsing, Norton safe web, Phish tank, Opera browser, SiteAdvisor, Sucuri Malware Labs blacklist, Yandex and ESET.


check in sucuri
checked by sucuri
Check your website in ssllabs.com by visiting the analyse site page. https://www.ssllabs.com/ssltest/analyze.html

You can use Google webmaster tools for finding out the details by visiting the page.

Use webinspector.com for checking your website by going to the website. http://app.webinspector.com/ This will take some time to scan your website.

Use http://www.botsimulator.com/ to check header and indexable page sheet by search engine bots. Ship me this has a header like this,

"HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Expires: Thu, 24 Apr 2014 07:40:26 GMT Date: Thu, 24 Apr 2014 07:40:26 GMT Cache-Control: private, max-age=0 Last-Modified: Thu, 24 Apr 2014 07:40:24 GMT ETag: "50a923d6-e987-4230-92b8-a0095ee1fe62" X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Content-Length: 0 Server: GSE Alternate-Protocol: 80:quic,80:quic"

In April 2012, Google launched a new algorithm known as “Penguin” where Google explains what are white hat techniques and black hat techniques. In conclusion, Google says that website administrators do not have to do search engine optimization techniques and concentrate more on creating good websites with original content. Due to the implementation of this Penguin algorithm, some websites showed increase in organic search traffic where most of websites show clear decrease.

So it is better to be careful while adding content which violates Google's policies about websites.

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