### Example URLs for the Same Web Page

Source: https://support.google.com/webmasters/answer/1663419

Multiple URLs can point to the same web page content. Submit removal requests for each URL that appears in Google Search results.

```text
http://www.example.com/forum/thread/123
http://www.example.com/forum/post/456
http://www.example.com/forum/thread/123?post=456
http://www.example.com/forum/thread/123?post=456&sessionid=12837460
```

--------------------------------

### Apache Header Redirect Example

Source: https://support.google.com/webmasters/answer/9044101?hl=en&ref_topic=9456557

An example of a 301 Moved Permanently redirect header, often used by hackers to redirect traffic. This is typically configured in .htaccess or httpd.conf files on Apache servers.

```http
< HTTP/1.1 301 Moved Permanently
< Date: Sun, 24 Feb 2013 21:06:45 GMT
< Server: Apache
< Location: http://<**_malware-site_**>/index.html
< Content-Length: 253

```

--------------------------------

### Duplicate <loc> Tag Example

Source: https://support.google.com/webmasters/answer/7451001?hl=en&ref_topic=9456557

This example shows an invalid sitemap entry with duplicate '<loc>' tags, which will cause an 'Invalid XML: too many tags' error. Remove the duplicate tag to resolve.

```xml
<url>
**  <loc>http://www.example.com/</loc>
  <loc>http://www.example.com/page1.html</loc>
**  <lastmod>2005-01-01</lastmod>
  <changefreq>monthly</changefreq>
  <priority>0.8</priority>
</url>

```

--------------------------------

### Fetch Page with cURL Mimicking Google Referrer

Source: https://support.google.com/webmasters/answer/9044101?hl=en&ref_topic=9456557

Use cURL to fetch a page while specifying a referrer and user-agent to mimic a search engine crawler. This helps diagnose cloaked content.

```bash
$curl -v --referer "https://www.google.com" --user-agent "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; FSL 7.0.7.01001)" http://www.example.com/page.html
```

--------------------------------

### Correct namespace for a sitemap index file

Source: https://support.google.com/webmasters/answer/7451001?hl=en&ref_topic=9456557

Use this namespace when creating a sitemap index file, which lists other sitemaps.

```xml
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

```