Official Google Webmaster Central Blog

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Introducing the new Webmaster Academy Posted: 18 Mar 2014 11:51 AM PDT Webmaster level: Beginner Our Webmaster Academy is now available with new and targeted content! Two years ago, Webmaster Academy launched to teach new and beginner webmasters how to make great websites. In addition to adding new content, we've now expanded and improved information on three important topics: Making a great site that's valuable to your audience (Module 1) Learning how Google sees and understands your site (Module 2) Communicating with Google about your site (Module 3) If you often find yourself overwhelmed by the depth or breadth of our resources, Webmaster Academy will help you understand the basics of creating a website and having it found in Google Search. If you're an experienced webmaster, you might learn something new too. Enjoy, learn, and share your feedback! Posted by Mary Chen, Webmaster Outreach Team

App Engine IP Range Change Notice Posted: 18 Mar 2014 02:35 AM PDT Google uses a wide range of IP addresses for its different services, and the addresses may change without notification. Google App Engine is a Platform as a Service offering which hosts a wide variety of 3rd party applications. This post announces changes in the IP address range and headers used by the Google App Engine URLFetch (outbound HTTP) and outbound sockets APIs. While we recommend that App Engine IP ranges not be used to filter inbound requests, we are aware that some services have created filters that rely on specific addresses. Google App Engine will be changing its IP range beginning this month. Please see these instructions to determine App Engine's IP range. Additionally, the HTTP User-Agent header string that historically allowed identification of individual App Engine applications should no longer be relied on to identify the application. With the introduction of outbound sockets for App Engine, applications may now make HTTP requests without using the URLFetch API, and those requests may set a User-Agent of their own choosing. Posted by the Google App Engine Team

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