使用301重定向htaccess从URL中删除某些字符？

Question

I want to remove some characters ?m=1 & ?m=0 from the end of my URLs. For this purpose I used a JavaScript from a blog post How To Forcefully Redirect Blogger Mobile Template To Desktop Template? and edit it with my desired till below one and its working fine.

<script type='text/javascript'>
var curl = window.location.href;if (curl.indexOf('m=1') != -1) {curl = curl.replace('m=1', '');window.location.href = curl;}
var curl = window.location.href;if (curl.indexOf('m=0') != -1) {curl = curl.replace('m=0', '');window.location.href = curl;}
</script>

Its removing my desired extra characters and then redirecting to the new URL but according to Google its not SE friendly and I have to use 301 Redirect via .htaccess that will tell every search engine too that this URL is now change to this.

My URLs are showing as http://www.blog.com/2014/08/post-title.html?m=1 & http://www.blog.com/2014/08/post-title.html?m=0 now... So can I do the same using .htaccess and 301 Redirect ?

Answer 1

If you only have this query string on your entire website, you can try this :

RewriteEngine    On
RewriteCond      %{QUERY_STRING}    ^m=1$  [OR]
RewriteCond      %{QUERY_STRING}    ^m=0$
RewriteRule      (.*)               $1?     [R=301]

Answer 2

You can do this by using mod_rewrite. You can check the query string in a condition with %{QUERY_STRING} and use the [R=301] flag to make it a permanent redirect. The QSD flag will discard the query string.

In Apache 2.4 and above you can use the following:

RewriteCond %{QUERY_STRING} m=[01]
RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI} [QSD,R,L]

In lower versions of Apache the QSD flag does not exist. You'll have to use a trick where you overwrite the query string by appending an empty query string to the rewrite target.

RewriteCond %{QUERY_STRING} m=[01]
RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI}? [R,L]

Change the R to R=301 when the rule works as expected. Please note that you should place this before any other rule you have for your blog. There is most likely a catch-all rule in the end that sends the request to your blog backend, and you have to redirect before that happens.

Answer 3

Here I got another solution for this so if upper isn't working for you then try this by adding below codes in top of .htaccess file...

RewriteEngine On
RewriteCond %{QUERY_STRING} ^m=1$
RewriteRule ^(.*)$ /$1? [R=301,L]
RewriteCond %{QUERY_STRING} ^m=0$
RewriteRule ^(.*)$ /$0? [R=301,L]

The above code will only work when your URL will be like http://www.example.com?m=1 but not when http://www.example.com?m=1&foo=bar .

Answer 4

you can use simple java script to redirect users this script should be placed above top of all the css and js because it has to be loaded as soon as the user visit

<script>
if (screen.width <= 800) {
     document.location = "http://mobileversionofyourwebsite .com/";
  }
</script>

source : auto liker sayoutlouder