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Excel 2007 uses Office Open XML as its primary file format, an XML-based format that followed after a previous XML-based format called 'XML Spreadsheet'. Technical details: XML is a textual data format with strong support via Unicode for different human languages. The robots.txt file. The robots.txt file is a simple text file used to inform Googlebot about the areas of a domain that may be crawled by the search engine’s crawler and those that may not. In addition, a reference to the XML sitemap can also be included in the robots.txt file.

The robots.txt file

1) Crei una classe in grado di leggere il tuo file di testo 2) Implementi nella tua classe le logiche di conversione da valore sequenziale nel file di testo ad elemento/attributo XML. 3) Salvi il file xml HTH. First you need to add file for conversion: drag and drop your XML file or click the 'Choose File' button. Then click the 'Convert' button. When XML to TXT conversion is completed, you can download your TXT file.

The robots.txt file is a simple text file used to inform Googlebot about the areas of a domain that may be crawled by the search engine’s crawler and those that may not. In addition, a reference to the XML sitemap can also be included in the robots.txt file.
Before the search engine bot starts indexing, it first searches the root directory for the robots.txt file and reads the specifications given there. For this purpose, the text file must be saved in the root directory of the domain and given the name: robots.txt.

The robots.txt file can simply be created using a text editor. Every file consists of two blocks. First, one specifies the user agent to which the instruction should apply, then follows a “Disallow” command after which the URLs to be excluded from the crawling are listed.
The user should always check the correctness of the robots.txt file before uploading it to the root directory of the website. Even the slightest of errors can cause the bot to disregard the specifications and possibly include pages that should not appear in the search engine index.

This free tool from Ryte enables you to test your robots.txt file. You only need to enter the corresponding URL and the select the respective user agent. Upon clicking on “Start test”, the tool checks if crawling on your given URL is allowed or not. You can also use Ryte FREE to test many other factors on your website! You can analyze and optimize up to 100 URLs using Ryte FREE. Simply click here to get your FREE account »

The simplest structure of the robots.txt file is as follows:

User-agent: *
Disallow:

This code gives Googlebot permission to crawl all pages. In order to prevent the bot from crawling the entire web presence, you should add the following in the robots.txt file:

User-agent: *
Disallow: /

Example: If you want to prevent the /info/ directory from being crawled by Googlebot, you should enter the following command in the robots.txt file:

User-agent: Googlebot
Disallow: /info/

More information about the robots.txt file can be found here:

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Robots.txt Tester

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What is robots.txt file

Robots.txt file serves to provide valuable data to the search systems scanning the web. Before examining the pages of your site, the searching robots perform verification of this file. Due to such procedure, they can enhance the efficiency of scanning. This way you help searching systems to perform the indexation of the most important data on your site first. But this is only possible if you have correctly configured robots.txt.

Just like the directives of robots.txt file, the noindex instruction in the meta tag robots is no more than just a recommendation for robots. That is the reason why they cannot guarantee that the closed pages will not be indexed and will not be included in index. Guarantees in this concern are out of place. If you need to close for indexation some part of your site, you can use a password to close the directories.

If your website has no robot txt file, your website will be crawled entirely. It means that all website pages will get into the search index which can cause serious problems for SEO.

Robots.txt syntax

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User-Agent: the robot to which the following rules will be applied (for example, “Googlebot”). The user-agent string is a parameter which web browsers use as their name. But it contains not only the browser’s name but also the version of the operating system and other parameters. Due to user agent you can determine a lot of parameters: the name of operating system, its version; check the device on which the browser is installed; define the browser’s functions.

Disallow: the pages you want to close for access (when beginning every new line you can include a large list of the directives alike). Every group User-Agent / Disallow should be divided with a blank line. But non-empty strings should not occur within the group (between User-Agent and the last directive Disallow).

Hash mark (#) can be used when needed to leave commentaries in the robots.txt file for the current line. Anything mentioned after the hash mark will be ignored. This comment is applicable both for the whole line and at the end of it after the directives. Catalogues and file names are sensible of the register: the searching system accepts «Catalog», «catalog», and «CATALOG» as different directives.

Host: is used for Yandex to point out the main mirror site. That is why if you perform 301 redirect per page to stick together two sites, there is no need to repeat the procedure for the file robots.txt (on the duplicate site). Thus, Yandex will detect the mentioned directive on the site which needs to be stuck.

Crawl-delay: you can limit the speed of your site traversing which is of great use in case of high attendance frequency on your site. Such an option is enabled due to avoid problems with an extra load of your server caused by the diverse searching systems processing information on the site.

Regular expressions: to provide more flexible settings of directives, you can use two symbols mentioned below:
* (star) – signifies any sequence of symbols,
$ (dollar sign) – stands for the end of the line.

How to configure robots.txt: rules and examples

Ban on the entire site scanning

This instruction needs to be applied when you create a new site and use subdomains to provide access to it.
Very often when working on a new site, web developers forget to close some part of the site for indexation and, as a result, index systems process a complete copy of it. If such a mistake took place, your master domain needs to undergo 301 redirect per page.

Permission to crawl the entire site

Ban on the crawling of a particular folder

Ban on the crawling page for the certain bot

Ban on the crawling of a certain type of files

Permission to crawl a page for the certain bot

Website link to sitemap

Peculiarities to take into consideration when using this directive if you are constantly filling your site with unique content:

• do not add a link to your sitemap in robots text file;
• choose some unstandardized name for the sitemap.xml file (for example, my-new-sitemap.xml and then add this link to the searching systems using webmasters).

Great many unfair webmasters parse the content from other sites but their own and use them for their own projects.

Check your website pages for indexation status

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Disallow or noindex

If you don’t want some pages to undergo indexation, noindex in meta tag robots is more advisable. To implement it, you need to add the following meta tag in the section of your page:

Using this approach, you will:

• avoid indexation of certain page during the web robot’s next visit (you will not need then to delete the page manually using webmasters);
• manage to convey the link juice of your page.

Robots.txt is better to close such types of pages:

• administrative pages of your site;
• search data on the site;
• pages of registration/authorization/password reset.

What robots.txt checker tools can help

When you generate robots.txt file, you need to verify if they contain any mistakes. There are a few tools that can help you cope with this task.

Google Search Console

Now only the old version of Google Search Console has tool to test robots file. Sign in to account with the current site confirmed on its platform and use this path to find validator.

Old version of Google Search Console > Crawl > Robots.txt Tester

This robot.txt test allows you to:

• detect all your mistakes and possible problems at once;
• check for mistakes and make the needed corrections right here to install the new file on your site without any additional verifications;
• examine whether you’ve appropriately closed the pages you’d like to avoid crawling and whether those which are supposed to undergo indexation are appropriately opened.

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Yandex Webmaster

Sign in to Yandex Webmaster account with the current site confirmed on its platform and use this path to find the tool.

Yandex Webmaster > Tools > Robots.txt analysis

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This tester offers almost equal opportunities for verification as the one described above. The difference resides in:

• here you don’t need to authorize and to prove the rights for a site which offers a straightaway verification of your robots.txt file;
• there is no need to insert per page: the entire list of pages can be checked within one session;
• you can make certain that Yandex properly identified your instructions.

Sitechecker Crawler

This is a solution for bulk check if you need to crawl website. Our crawler helps to audit the whole website and detect what URLs are disallowed in robots.txt and what of them are closed from indexing via noindex meta tag.

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Take attention: to detect disallowed pages you should crawl the website with “ignore robots.txt” setting.

How robots.txt can help your SEO strategy

First of all, it’s all about crawling budget. Each site has own crawling budget which is estimated by search engines personally. Robots.txt file prevents your website from crawling by search bots unnecessary pages, like duplicate pages, junk pages and not quality pages. The main problem is that the index of search engines gets something that should not be there – pages that do not carry any benefit to people and just litter the search. You can easily find out how to check duplicate content on website with our guides.

But how can it harm SEO? The answer is easy enough. When search bots are getting to the website for crawling, they are not programmed to explore the most important pages. Often they scan the entire website with all its pages. So the most important pages can be simply not scanned due to the limited crawling budget. Therefore Google or any other search engine starts to range your website regarding information it has received. This way, your SEO strategy is in danger to be failed because of not relevant pages.