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That said, be careful when setting this directive, especially if you have a big site. If you set a crawl-delay of 5 seconds, then you’re limiting bots to crawl a maximum of 17,280 URLs a day. That’s not very helpful if you have millions of pages, but it could save bandwidth if you have a small website.
Robots.txt mistakes can slip through the net fairly easily, so it pays to keep an eye out for issues.
Same place: domain.com/robots.txt .
Where to put your robots.txt file.
The advantage of using a tool like this is that it minimizes syntax errors. That’s good because one mistake could result in an SEO catastrophe for your site—so it pays to err on the side of caution.
Either manually, or using one of the many WordPress SEO plugins like Yoast that let you edit robots.txt from the WordPress backend.
Each search engine identifies itself with a different user-agent. You can set custom instructions for each of these in your robots.txt file. There are hundreds of user-agents, but here are some useful ones for SEO:
If you already have a robots.txt file on your website, it’ll be accessible at domain.com/robots.txt . Navigate to the URL in your browser. If you see something like this, then you have a robots.txt file:
Place your robots.txt file in the root directory of the subdomain to which it applies. For example, to control crawling behavior on domain.com , the robots.txt file should be accessible at domain.com/robots.txt .
If this content is important and should be indexed, remove the crawl block in robots.txt. (It’s also worth making sure that the content isn’t noindexed). If you’ve blocked content in robots.txt with the intention of excluding it from Google’s index, remove the crawl block and use a robots meta tag or x‑robots-header instead. That’s the only way to guarantee the exclusion of content from Google’s index.
Having a robots.txt file isn’t crucial for a lot of websites, especially small ones.
Submitted URL blocked by robots.txt.
Because it isn’t quite ready to go, you want to prevent search engines from accessing it.
Below are a few examples of robots.txt files. These are mainly for inspiration but if one happens to match your requirements, copy-paste it into a text document, save it as “robots.txt” and upload it to the appropriate directory.
If you don’t already have a robots.txt file, creating one is easy. Just open a blank .txt document and begin typing directives. For example, if you wanted to disallow all search engines from crawling your /admin/ directory, it would look something like this:
Once again, if you’re trying to exclude this content from Google’s search results, robots.txt isn’t the correct solution. Remove the crawl block and instead use a meta robots tag or x‑robots-tag HTTP header to prevent indexing.
How do I edit robots.txt in WordPress?
In this instance, the solution is simple: add a trailing slash.
Google no longer supports this directive, but Bing and Yandex do.
The exception to that rule is when you declare the same user-agent more than once. In that case, all relevant directives are combined and followed.
Unless you’re careful, disallow and allow directives can easily conflict with one another. In the example below, we’re disallowing access to /blog/ and allowing access to /blog .
In this example, search engines can’t access any URLs ending with .pdf. That means they can’t access /file.pdf, but they can access /file.pdf?id=68937586 because that doesn’t end with “.pdf”.
Here are a few frequently asked questions that didn’t fit naturally elsewhere in our guide. Let us know in the comments if anything is missing, and we’ll update the section accordingly.
It is known that many big online stores are closing their websites from Chinese bots indexation. But here we see that a huge and popular Chinese store has closed all of its pages from Baidu spiders.
Google itself has a robots file!
So, they included the quote of a famous science fiction author to amuse the robots. They must be bored to death by reading instructions only.
2) Nike store.
Humor again! Or do you expect Google to be serious? No way…
This file is all in all confusing and shows an error when being checked by validation tools. We don’t know whether it was made purposely or not.
These guys also included a funny line. And this file is rather complicated. If you try to help your SEO with Twitter, you should read it to know what Twitter wants to hide from search engines.
Even a junior SEO knows what a robots.txt file is. While performing my marketing job I have come across a lot of interesting cases connected with these files and their usage. So I compiled a list of robots files for you to have a look and enjoy.
Nike is famous for its motivation campaign. They decided to extend it in a funny way.
6) The Pirate Bay.
Some more fun! Also here we can see they use the Noarchive instruction which is, however, not official, but is claimed to be working.