Robots.txt is text file used by Website owners to give instructions about their site to web robots. Basically it tells robots which parts of the site are open and which parts are closed. This is called The Robots Exclusion Protocol.

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Should I prevent search engines indexing tag/category pages?

On my site, I currently have no special rules for search engines. It is a blog, statically generated using a Python program. When I search for some of my articles on Google, there is usually a tag or ...
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Do I need a robots.txt file if most of my site's pages require authorization?

I have a website with many pages, but except for Home page and a View Profile page, all other pages require authorization. Does that mean I need to have a robots.txt file to Disallow these pages with ...
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163 views

How to temporarily remove a website from search engines?

We are working on a new website and we forgot to disallow robots after putting the test version online, on a subdomain. Now we are already being crawled and indexed by bots (Google, Yahoo, and others) ...
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110 views

removing robots.txt

Will removing robots.txt make the website 'searchable' again. Curious if you had a robots.txt to avoid indexing, but changed your mind and wanted to get indexed.
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84 views

Recovering from an incorrectly deployed robots.txt?

We accidentally deployed a robots.txt from our development site that disallowed all crawling. This has caused traffic to dip dramatically, and google results to report: A description for this ...
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308 views

Impact of blocking site search from googlebot, but listing content pages in sitemap.xml

We have a fairly large site 600k+ unique pages with various unique URLs along with a custom, local search interface for the site. The search interface has sorting and faceting capabilities to allow ...
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3answers
877 views

nofollow doesn't stop crawling?

In my website, most of the pages has a linkedin sharing button written in this way: <li> <a id="share_linkedin" ...
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2answers
85 views

robots.txt - just a guess about wild-card

so if I disallow tempPage, does it mean tempPage_1, temp_Page_2, tempPage_x are also disallowed? I tried to google this up, but I don't know...
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1answer
643 views

How do I deal with content scrapers? [duplicate]

Possible Duplicate: How to protect SHTML pages from crawlers/spiders/scrapers? My Heroku (Bamboo) app has been getting a bunch of hits from a scraper identifying itself as GSLFBot. Googling ...
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383 views

Should I block search engines with robots.txt on my Facebook app?

There's a few subdomains on my homepage where I tak advantage of robots.txt to block search engines for indexing their contents, like my images and downloads subdomains as I don't want the direct URLs ...
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1answer
269 views

Prevent Duplicate content when using CloudFlare

I have a website which uses CloudFlare CDN. At the CDN setup, CloudFlare created a sub-domain like direct.example.com to my website, which can be used to override CloudFlare and access the site ...
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3answers
7k views

How to stop certain urls from being indexed

When I type site:example.com(using my domain obviously), I get several link errors showing up in the listing. Typically, they are of the form: /some/fixed/path/admin/unblockUser/11 I am thinking of ...
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9k views

Need to Stop Bots from Killing my Webserver

I am having EXTREME bot problems on the some of my websites within my hosting account. The bots utilize over 98% of my CPU resources and 99% of my bandwidth for my entire hosting account. These bots ...
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3answers
435 views

Is there a way to disallow crawling of only HTTPS in robots.txt?

I just realized that Bingbot is crawling my company's website's pages over https. Bing already crawls the site over http, so this seems frivolous. Is there a way to specify Disallow: / for https ...
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5answers
2k views

Disallow robots.txt from being accessed in a browser but still accessible by spiders?

We make use of the robots.txt file to prevent Google (and other search spiders) from crawling certain pages/directories in our domain. Some of these directories/files are secret, meaning they aren't ...
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2answers
237 views

How can I allow search engines to index my invite only website in ruby on rails?

I have a ruby on rails website that will be in invite-only mode for the next couple of months. Currently I have it set up so visits to any page performs an authentication: before_filter ...
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2answers
324 views

Serve a different robots.txt file for every site hosted in the same directory

We have a global brand website project for which we are only working the LATAM portion. There is a website installation process here that allows to have one website installation with several ccTLDs, ...
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3answers
125 views

Do crawlers require a robots.txt file before indexing content?

Do you need a robots.txt file for the crawlers to index your site, or it is just to disallow any content that you don't want crawlers to index?
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3answers
111 views

robots.txt dissalow url containing string with a '/' at the end

i have a website with thousands of dynamic pages. I want to use the robots.txt file in order to dissalow certain url patterns corresponding to pages with duplicate content. For example i have a page ...
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1answer
828 views

Can a sitemap index contain other sitemap indexes?

I have a bi-lingual website with a sitemap index for each language that links to several different sitemaps (one for videos, one for static content, and one for articles). I would like to introduce ...
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6answers
149 views

Stopping Google index some web pages I have

I have some web pages that google has indexed. Now I added a robots.txt file to exclude them but should I also add a “noindex” tag and if so then how can I best add this?
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3answers
558 views

Google is indexing unintended content that is either unpublished or a secret part of site

Google is indexing parts of my site that I haven't linked to, it's a mobile version of website that I'm working on - www.domain.com/m/ <-- note the M. How is that even possible? Only thing I can ...
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461 views

PageRank: will links pointing to pages protected by robots.txt still count?

If every single link to a given website www.example.com points to a page in a particular subdirectory (i.e. www.example.com/user/[something]), but that directory is off limits as per robots.txt, i.e. ...
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144 views

Controlling robot crawling concurrency using robots.txt and the undocumented setting “host-load”

I'm not much of a network guy, and I am troubleshooting an issue where one of our sites intermittently becomes unresponsive to a reverse proxy: it simply starts turning down connections, and then ...
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246 views

Grapeshot crawler ignoring robots.txt

Has anyone come across a crawler called Grapeshot? They are hammering the same page repeatedly on our website. I believe they are looking for ad related keywords, based on previous content ad ...
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134 views

SEO consideration for duplicate sites

I am building a brochure-ware website for a company that sells products all across the world. They need the site to ask the user what region they are in before using the site; there are 5 regions. ...
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1answer
457 views

How do I disallow robots to access links on a certain port?

I have a private web server set up on a non-conventional port (say 6677). All people can have access to the whole site's urls from 6677. The links by mysite:6677 are also indexed by Google, which is ...
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1answer
514 views

Why am I getting this message “Some important page is blocked by robots.txt”?

My site's URL is: www.hackinguniverse.org From some day in Google Webmaster tool a message is showing that says "Some important page is blocked by robots.txt". My robots.txt is: User-agent: ...
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7k views

What's the proper way to handle Allow and Disallow in robots.txt?

I run a fairly large-scale Web crawler. We try very hard to operate the crawler within accepted community standards, and that includes respecting robots.txt. We get very few complaints about the ...
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1answer
575 views

Why does my sitemap have a “.gz” extension, and how can I edit it?

An XML sitemap generator plugin for WordPress puts the following strings in my robots.txt file: User-agent: * Disallow: /wp-admin/ Disallow: /wp-includes/ But other WordPress blogs have lots of ...
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1answer
792 views

How to make “crawl-delay” works for all “user-agent” in robots.txt or in .htaccess?

I have this line: Crawl-delay: 50 in the robots.txt file at the root of my website. But it seems that it is not working at all. I get 400 visits from the Yandex user agent in a few minutes. I ...
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2answers
892 views

How can an exception be created for Facebook on robots.txt?

I have a directory that I don't want Google to index because it could confuse people who don't know the site. However, I want everyone else to get updates when I post them on our Facebook page. The ...
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4k views

Search engines that do _not_ respect robots.txt?

Are there any search engines that do not care about robots.txt?
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245 views

Should I disallow robots on A/B test pages?

I'm going to be setting up an A/B test using Google's WebsiteOptimizer on my homepage, and I plan to name my two test variants index_a.php and index_b.php. Should I be putting in rules to my ...
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3answers
314 views

Is my robots.txt working as it should?

I want crawlers to have access to http://www.example.com but not http://www.example.com/ My robots.txt is as follows: User-agent: * Allow: /$ Disallow: / My site is in Google search results, but I ...
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1answer
46 views

Robots.txt destroyed my ranking?

I had to do a massive URL change stuff (Categories and Products) on my e-commerce site while keeping 301 redirect of old URLs to new ones. I did change category URLs (appr: 800 URLs) to new and ...
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2answers
158 views

How should “AdSense and DoubleClick” phrase in Google Webmaster Guidelines be interpreted?

I was reading Google Webmaster Guidelines and came across a phrase I do not understand. Make reasonable efforts to ensure that advertisements do not affect search engine rankings. For example, ...
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1answer
767 views

Does Google respect a redirect header for robots.txt to a different file name?

With respect to robots.txt requests, Google states "Redirects will generally be followed until a valid result can be found". Does this mean that, if I create a 301 redirect for ...
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1answer
233 views

How to block FeedReader from fetching my content to their site?

As you all can see from the picture below, my site's content is duplicated by FeedReader and indexed at Google. When I clicked at the FeedReader link, it uses some sort of iFrame to draw content from ...
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1answer
1k views

Preventing high bandwidth usage from Yandex

Although I put a row for Yandex into my robots.txt file, sometimes Yandex indexes my website aggressively. So I hard coded a part and check for user agent, and serve cached file if user agent is like ...
3
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1answer
447 views

Quick Question, robots.txt Disallow: /*/ does what exactly? [closed]

A SEO firm suggested changing the robots.txt to: User-agent: * Disallow: /*/ Allow: /ims/ I'm not sure what that would do, but my guess is that is would tell all robots to index nothing but the ...
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2answers
4k views

Googlebot crawler: URL restricted by robots.txt - how to fix the entries in robots.txt?

I noticed recently that Google is not caching all of the pages on my website. Upon using the Google webmaster diagnostic tool, I realized that some of my pages were being restricted by entries in my ...
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1answer
290 views

Blocking pages from being crawled with specific URL encoded parameters

While seeing the Google Webmaster Tools report there are certain URL encoded parameters like %5c and %22 coming up in URL's of site. We tried to identify the issue and observed that due to incorrect ...
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5answers
870 views

Optimizing and securing robots.txt

I have a couple of doubts / questions / ideas related to robots.txt: Can we deny website for all bots except for chosen ones in order to tell other bots not to crawl site: User-agent: * Disallow: / ...
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2answers
2k views

Robots.txt and Regular Expressions

If I place a regular expression in robots.txt will it be readable for the web crawlers?
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2answers
257 views

Robots.txt on one line

Can I combine robots.txt rules on one line, separated by whitespace? Will this work? User-agent: * Disallow: /
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57 views

How to add favicon to robots.txt

How can I disallow this URL: http://www.example.com/assets/ico/favicon.png? Would these lines in my robots.txt work? User-agent: * Disallow: /blah/assets* Disallow: /blah/assets/ico/
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2answers
110 views

robots.txt: block all webpages except a few number of webpages?

I have a few doubts regarding robots.txt. Say, my domain is stackoverflow.com, A) Will the code below do the following for all the crawlers? User-agent: * Disallow: / Allow: /$ Allow: /a/$ Allow: ...
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2answers
11k views

Allow all robots robots.txt

In my robots.txt file I have a list of robots that are not allowed to be indexed on my site and for the rest I have to allow all other robots, but I would like to know the real difference between ...
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107 views

What does “Allow: /” mean in a robots.txt file?

Please help me to understand the following code in robots.txt: Allow: /