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		<h1>Google định nghĩa lại internal vs. external backlinks</h1>
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			<li>Thứ tư - 24/07/2013 06:18</li>
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			Vào ngày cuối cùng của tháng 8 vừa qua, Google chính thức thông báo về việc thiết lập lại cấu trúc liên kết nội (Internal Link) và liên kết ngoại (External Link). Cụ thể hơn là Google có thay đổi việc định nghĩa subdomain.
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			<img alt="Google định nghĩa lại internal vs. external backlinks" src="https://tocdoviet.com/uploads/blog/2013_07/external-backlinks.jpg" width="460" class="img-thumbnail" />
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			<span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">&nbsp;Trước đây, Google tính Internal Link dựa vào domain chính xác, tức&nbsp;</span><em style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">abc.babywolfvn.com</em><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;"> mà liên kết đến</span><em style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">www.babywolfvn.com</em><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;"> sẽ xem là External chứ không phải Internal, thậm chí ngay cả&nbsp;</span><em style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">www.igoo.vn</em><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">cũng sẽ khác với&nbsp;</span><em style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">igoo.vn</em><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">. Nói chung là Google xem những subdomain là những&nbsp;website&nbsp;khác nhau, thậm chí là so với root domain.</span>
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<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">Những thay đổi trên bạn có thể thấy trong&nbsp;<strong>Google Webmaster Tools</strong> ở phần&nbsp;<em>Internal Link</em> và&nbsp;<em>Link to your site</em>. Bạn có thể xem bảng mô tả dưới đây để hiểu về việc thay đổi này.</p>

<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">&nbsp;</p>

<div class="image-center"><img alt="Google định nghĩa lại internal vs. external backlinks" height="254" src="https://tocdoviet.com/uploads/blog/2013_07/google-dinh-nghia-lai-internal-vs-external-backlinks.jpg" style="border-width: 0px; width: 578px; height: 245px;" width="600" /></div>

<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">&nbsp;</p>

<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">Theo như thông báo là sở dĩ Google làm vậy là bởi vì người dùng xem&nbsp;<em>tên miền có www và không có www là một</em>. Tuy nhiên cá nhân tôi không hẳn vì lý do này.</p>

<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">Việc Google thay đổi định nghĩa cho subdomain sẽ có ảnh hưởng không nhỏ đến SEO do sự tác động giữa Internal Links và External Links khác nhau.</p>

<p style="margin: 0px 0px 20px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 13px; line-height: 18px; orphans: 2; widows: 2;">Việc thay đổi này tạo sự cân bằng hơn khi các website lạm dụng subdomain khi <a href="http://tocdoviet.vn/shops/"><span style="text-decoration: none; color: rgb(51, 102, 204);"><strong>thiết kế web</strong></span></a> để lấy&nbsp;<strong>external backlink</strong> (liên kết ngoại). Giờ việc dùng subdomain chỉ nên cần thiết ta mới sử dụng.</p>
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