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Check Gzip enabled or not of a website using PHP – SEO

I am creating an SEO analyzer. One part of it is to find whether a website has gzip enabled or not.

I found that gzip can be done either by .htaccess or in apache or Nginx. So how can i find whether entered website has gzip enabled or not?

Also when i open a website like this : www.example.com/.htaccess it is giving me a error saying “permission denied“.

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4

Answers


  1. Chosen as BEST ANSWER
    0

    ok thank you guys. I have written the code to check gzip of a website. Here it is...

    <?php
$headers = get_headers("http://www.example.com", 1);
echo $headers['Content-Encoding'];
?>

  2. 0

    htaccess is a hidden system file so you cannot access it, usually you would use phpinfo(); to look at your php settings.

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  3. 0

    Try analyzing headers with getallheaders. Look for something like: Content-Encoding
    More info here: https://en.wikipedia.org/wiki/HTTP_compression

    And here is example code:

    foreach (getallheaders() as $name => $value) {
    if ($name == 'Content-Encoding') {
        echo 'Encoding is: ' . $value;
        break;
    }
}
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  4. 0

    First of all:
    .htaccess should be only be accessible through the file system, for example through ftp.

    As for the gzip detection, check the response header for: Content-Encoding gzip

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