What we disallow in robots.txt for HTML and PHP website?

Robots .txt file help to index and ive instructions about their site to web robots.

I'll say just post it in Google forums and they'll surely help you out with this.

It's permission for crawler which file access or Not ! ! or It's help for Indexing or no-Indexing file at your sites.

Robots .txt file help to index and ive instructions about their site to web robots.

nice post thank you for sharing with us.

It is very nice when finding engines repeatedly visit any site and index any content but often there are cases when indexing parts of your online content are not what you want. For instance, if you have two versions of a page. you'd rather have the printing version excluded from crawling, otherwise, you risk being imposed a duplicate content mulct.

Useful robots.txt rules
Here are some common useful robots.txt rules:

Rule Sample
Disallow crawling of the entire website. Keep in mind that in some situations URLs from the website may still be indexed, even if they haven't been crawled. Note: this does not match the various AdsBot crawlers, which must be named explicitly.
User-agent: *
Disallow: /
Disallow crawling of a directory and its contents by following the directory name with a forward slash. Remember that you shouldn't use robots.txt

Robots .txt file help to index and ive instructions about their site to web robots.

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User Comments
PHP: Parsing robots.txt
0 06

If you're writing any kind of script that involves fetching HTML pages or files from another server you really need to make sure that you follow netiquette - the "unofficial rules defining proper behaviour on Internet".

This means that your script needs to:

identify itself using the User Agent string including a URL;
check the site's robots.txt file to see if they want you to have access to the pages in question; and

Robots.txt file is the first page that Google bot visit to ensure that which page needs to crawl and which page the webmaster does not want to the bots to be crawled.

What is site robots txt?
The robots exclusion standard, also known as the robots exclusion protocol or simply robots.txt, is a standard used by websites to communicate with web crawlers and other web robots. The standard specifies how to inform the web robot about which areas of the website should not be processed or scanned.

Robots.txt file is the first page that Google bot visit to ensure that which page needs to crawl and which page the webmaster does not want to the bots to be crawled.

So, it should have the pages you think is not needed to visible in Google index and Google searches.

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Robots.txt file is the first page that Google bot visit to ensure that which page needs to crawl and which page the webmaster does not want to the bots to be crawled.

So, it should have the pages you think is not needed to visible in Google index and Google searches.

Example: Admin page.

Robots.txt is a text (not html) file you put on your site to tell search robots which pages you would like them not to visit. Robots.txt is by no means mandatory for search engines but generally search engines obey what they are asked not to do. It is important to clarify that robots.txt is not a way from preventing search engines from crawling your site (i.e. it is not a firewall, or a kind of password protection) and the fact that you put a robots.txt file is something like putting a note “P

You can disallow all the files and directory to index by search engine.

All directories and files you don't like be indexed by search engines , of course your /wp-admin , config.php, and any file that must not be for direct browsing etc