canonical-link

In the days of link shorteners and Ajax, there can be many links that ultimately point to the same content. I was wondering what the best way is to get the final, best link for a web site in PHP, hopefully with a library. I was unable to find anything on Google or GitHub. I have seen this example code, but it doesn't handle things like a rel="canonical" meta tags or default ssl ports: http://w-shadow.com/blog/2008/07/05/how-to-get-redirect-url-in-php/ Facebook seems to handle this pretty well, you can see how they follow 301's and rel="canonical", etc. To see examples of the way Facebook

I'm trying to find a good general purpose way to canonicalize urls in an ASP.NET MVC 2 application. Here's what I've come up with so far: // Using an authorization filter because it is executed earlier than other filters public class CanonicalizeAttribute : AuthorizeAttribute { public bool ForceLowerCase { get;set; } public CanonicalizeAttribute() : base() { ForceLowerCase = true; } public override void OnAuthorization(AuthorizationContext filterContext) { RouteValueDictionary values = ExtractRouteValues(filterContext); string canonicalUrl = new UrlHelper(filterContext.RequestContext).RouteUrl

Am trying to implement deep link on Facebook sharing in my android applcation. That deep link is only for mobile and not for webpage. So according to the facebook documentation Link1 Link2 am going through Link2. The following should be called to get id of canonical url. This canonical url will be set as a link on Facebook sharing. To get canonical id curl https://graph.facebook.com/app/app_link_hosts \ -F access_token="APP_ACCESS_TOKEN" \ -F name="Android App Link Object Example" \ -F android=' [ { "url" : "sharesample://story/1234", "package" : "com.facebook.samples.sharesample", "app_name"

Im working on a site that has had an SEO expert review it. They have advised me that we should apply canonical tags on every other page <!-- http://www.example.com/detail/table&r=dining-room --> <link rel="canonical" href="http://www.example.com/detail/table"/> is it really required that the canonical tag only appears on every other page, or will it play nicely if it appears on the same page? The reason I ask this is: isn't the link also telling Google that it is infact on the right page? RFC 6596: The Canonical Link Relation specifies : The target (canonical) IRI MAY: o […] o Be self

Iam facing JVM Crash cosistently while enabling hotdeploy (USING below java options on starting up JAVA_OPTS -Xmx4096m -XX:MetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=crash -XX:ThreadStackSize=512 -XX:+UseConcMarkSweepGC -XX:ParallelGCThreads=5 -XX:NewRatio=2 -XX:+UnlockDiagnosticVMOptions -XX:-UseLoopPredicate -Xdebug -Xrunjdwp:transport=dt_socket,address=$DEBUG_PORT,server=y,suspend=n -XX:NewRatio=2 -Dspringloaded.synchronize=true JAVA_OPTS=`echo $JAVA_OPTS -Dspringloaded.synchronize=true -javaagent:springloaded-1.2.1.jar -noverify ) Environment : JDK 1.8 U 66, RHEL 6