Questions tagged [web-crawlers]

A computer program that accesses web pages for various purposes (to scrape content, to provide search engines with information about your site, etc.)

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15 views

How to exclude subdomains from crawls with a twist [closed]

We have two sites on one domain. One is on the root domain of www.mydomain.com (with and without www) and the other under business.mydomain.com. The first site is on Shopify which means no access to ....
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17 views

Can search engine fetch/index website that using ipv6 only?

I see some host providers offer cheap server but only support ipv6. I want to rent it, but I am still considering the SEO impact. Can google and other search engine crawl and index it? If yes, will it ...
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35 views

How to block google from indexing mail record. duplication issue mail.example.com which is duplication of example.com

google is causing duplication by indexing mail.example.com which is identical to home page of www.example.com/ I added property in search console and removed this subdomain but keeps on indexing ...
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38 views

Do I need to submit sitemap.xml to google if I already have it in robots.txt and hosted on S3?

I have a static site hosted on S3 bucket which will have a robots.txt at root directory level. This robots.txt file will have reference to my sitemap.xml file which is hosted on another S3 bucket. It ...
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1answer
36 views

robots meta tag for specific web crawler

Web crawler list What I want noimageindex (Indexation-controlling parameters) will only work for googlebot (2 : two meta tag - code below) Others all crawlers (example as a YandexBot, Baiduspider) ...
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1answer
36 views

What is a difference in the order of “follow” and “index” in a robots meta tag?

What is the difference between <meta name="robots" content="follow, index"> and <meta name="robots" content="index, follow"> Would either create ...
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38 views

Prevent search engines from crawling and indexing all domains and subdomains set up under an Apache server

My company is renting a CentOS server, with one main domain and ~30 subdomains (the number varies, but it's usually around 30) hosted on it. The subdomains themselves are used for various purposes (...
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Consequences of blocking Semrush and other bots?

For typical websites, are there any disadvantages to my clients to blocking spiders like Semrush, Maxmind and the plethora of other "non search-engine" bots? Wouldn't blocking these ...
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What is most likely causing this index:1 404 error in Wordpress?

I'm running the latest version of WordPress on a VPS, and I recently moved my WordPress directory to a new location and reconfigured my site's permalink structure. So when you go to HTTP://www....
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Remove Google suggestions and links from search results [duplicate]

How to remove / delete google suggestions and related keywords links. As some results showing my personal data into some sites , need to remove those pages or links from search results showed by ...
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155 views

How to make a bot in Windows that does automated search of domain names to see if they are available? [closed]

Instead of manually typing in domain names in a domain search registry to see if they are available, How to program a bot to run through a pre-specified list of .com domain names by searching each one ...
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Is it legal to use the APIs of Meetup.com, Eventbrite etc, to aggregate their event data into one place, similar to Google?

I have a predicament. I'm trying to build a platform that will basically be a place where all events, online/offline, are listed. Initially - my platform will obviously have zero events, because ...
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Could allowing our images to be indexed hurt our web search rankings?

We are trying to solve some issues related to our SEO. When we compare ourselves to our competitors who are higher that us in SERPS, other than more backlinks (not much more), we don't see any ...
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40 views

Restrict Google from indexing subdomain from Azure CDN services

How can I stop Google from indexing example.azureedge.net content? We have the website from last two years but just recently we found out that Google has started to index all the URLs on the azure CDN ...
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2answers
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How to keep crawler robots from indexing my page when there is a query string present in the URL?

I have a /products page. In that page, users may use filters to select the products they want to see. Those filters will work using query strings like: /products?brands=X,Y&size=1,2 and so on. I ...
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25 views

HTTP “Vary: User-Agent” header for a Single Page React App that does SSR for robots?

I have React web app. It's a single page app, so there's basically an "empty" HTML file with a JS bundle that does it all. But to improve SEO capabilities, I'm doing SSR for robot crawlers ...
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1answer
30 views

Wordpress Websites Getting High Traffic for the non-Existent Pages like a DDOS Attack

I'm facing a weird situation where my 10 WordPress websites are getting hits for non-existent pages. Mostly those pages which we never created or had in our websites. I searched about it and found Non-...
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Bot calling my php script too fast

I have a hobby website, where a php script presents a html page displaying information for a particular surname. I am capable of displaying information for over 100,000 surnames. So the script is ...
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26 views

What are Windows NT 10.3 and 10.5?

In my Apache logs, a few malicious scans were done by machines that identify their OS in their user agents as Windows NT 10.3 Windows NT 10.5 Are these fictitious or were there at some point real ...
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Do HTML elements with the boolean attribute hidden get picked up by search engines?

I recently learned of the existence of the hidden attribute. It basically hides elements that are not relevant in the current state of the webpage (e.g., a user that is not logged in): <p hidden>...
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How can I hide my site information in Alexa? Will it be done by blocking the robot? [duplicate]

I try to hide my site information from Alexa or not show some country-specific information. How can I do this? Will this be done by blocking the Alexa robot or do I have to do something else?
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How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?

In my web application I generate links in the following format: https://example.com/^token^ Each link according to my specs is sent via email and should not allow robots to scrape it. In order to ...
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Can you specify the max-snippet length in a X-robots-tag header?

The specs by Google does not address this issue. So, I would like to know what is the x-robots-tag equivalent for: <meta name="googlebot" content="max-snippet:20"/> Is it ...
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1answer
40 views

Is it possible to tell web crawlers to agree to a site's TOS before indexing?

Is there a way with robots.txt or page headers to inform the managers of web crawlers they must agree to a terms of service prior to indexing any crawled pages?
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Does bit.ly pass info about referrer? [duplicate]

So that I will be able to see where people that used my bit.ly link come from? I already checked it with Chrome dev tool in Network tab but there is no info.
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Link rel=“nofollow” vs robots.txt disallow for “/search” URLs?

There's a /search path on my web app that I don't want robots to crawl or index. What would be the best approach for this scenario? 1: Block them from accessing by adding a Disallow for /search on ...
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34 views

Thousands of visits from Huawei ASN, Singapore. Should I worry about them?

I've got a website with information I do not want to be replicated. I'm browsing my visits, and found thousands of visits per day from AS136907, an ASN of Huawei, Singapore. Always with similar IP ...
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Using display: none VS a SPA approach, when it comes to SEO and performance

Say I have a component like, // first approach (SPA) const Component = () => { const [show, toggle] = React.useReducer(show => !show, false) return ( <div> {show && &...
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What are the steps needed to make my website listed on sitelinks? [duplicate]

I am currently developing a website where i wanted my website to list on sitelinks and i know google's algorithm list the sitelinks. but i wanted to know what are the steps i do to make list my ...
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1answer
216 views

How do I “noindex” a text (.txt) file?

I have a directory full of .txt files that are used as part of a larger javascript application. The text files are not inteded to be directly accessed, and are used as includes on separate pages as ...
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1answer
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Will web crawlers be able to crawl nested sidebar menu for mobile web

I have a simple question. One clicking on any of the breadcrumbs, an overlay appears as per design. For example, in the above image clicking on Physics will bring up all subjects to choose from and ...
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Can google index site with js? [duplicate]

I want to start optimizing and SEO a website that seems render in client side. in "view page source" I just see links for CSS and Js. none of the html tags are there. Can Google index the ...
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Google search says No information is available for my GitHub page

Today I search my GitHub page in Google Chrome and Firefox (Through Google search) and for the first time, it says no information is available (it says 2019- GitHub under that it says no information ...
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66 views

Blocking bad bots based on useragent in apache conf

I am proposing blocking bad bots using the following code in /etc/sites-enabled/site.conf and I have a few questions. RewriteEngine On RewriteCond %{HTTP_USER_AGENT} useragent1|useragent2|useragent3 [...
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Why Google Cache Showing 404 on my React Base Webpages?

My web page is client-side rendered with React. On hitting the cache, it is showing 404 instead of a rendered page. Example Screenshot When I inspect the Page URL on Search Console, Its parsing and ...
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1answer
70 views

List of potential origins of host domains through which google bot crawls?

What is the potential list of origins of the host domains through which google bot crawls? e.g.: Like Google cache uses the following domain to crawl the APIs: http://webcache.googleusercontent.com/ I ...
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1answer
46 views

Website crawler returns hundreds of 404 errors for pages that do not exist containing duplicate directories

I just completed a website crawl on my site to vet SEO, which should return 119 pages. The results are around 490, with errors being returned showing hundreds of 404 pages with strange URLs. These ...
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1answer
105 views

Google not indexing product pages of my website [duplicate]

After many months and many changes to sitemaps/pages trying to solve the problem, Google still is not indexing the product pages of this site (link removed). Here's the sitemap i'm using (link removed)...
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infinite loader with console error on a page will harm SEO [duplicate]

I have a single page application where some of the category and brand pages are infinite load on the screen (those pages are older now no more available) I want to avoid them. should I use 404 not ...
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1answer
38 views

What is the best practice for old pages that no longer exist on an Angular site?

We built our eCommerce web site using Angular as a single page application. We have implemented a spinner that runs until the page is responding with the expected content. We have some category pages ...
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2answers
43 views

spider my website for a line of code

I want to find out which pages on my website (I use blogger) have a specific line of code. For example, I want to know which pages contain the code: "div class='sss'" Does anyone have an ...
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1answer
81 views

I have 2.1 million pages, how to get crawled by googlebot more frequently? [duplicate]

I have a project which aggregates public information on companies, startups, founders etc. for a total of >2 million tracked entities worldwide. Yes, every single page is high quality, manually ...
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2answers
43 views

Does crawler index duplicate page which has canonical URL?

Suppose I have two pages with the same content: example.com/a example.com/b so I put a canonical tag <link rel="canonical" href="example.com/a"/> at page example.com/b. I ...
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1answer
90 views

What is difference between robots.txt, sitemap, robots meta tag, robots header tag?

So I am trying to learn SEO and I am honestly confused and have following 8 questions. Do I tell a bot not to visit a certain link through X-Robots-Tag or through robot meta tag or robots.txt? Is it ...
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212 views

Disallow root but not 4 subdirectories for robots.txt

I have a project and I would like to disallow everything starting with root. From what I understand I think I can do so by doing this Disallow: / Disallow: /* However I would like to allow 4 ...
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130 views

Can I access the old version of Google Search Console to see crawling and indexing?

I remember google webmaster console had a crawl and indexing, But in new version, I couldn't find crawling or indexing. Everything is different. Can I access to old style of google console?
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1answer
47 views

Why don't SEO tools such as Screaming frog crawl some of my links?

I have several internal links in my inner pages, for example Interlaken, Switzerland. I used several SEO tools including Screaming Frog to generate sitemap. All SEO tools index links under the "...
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1answer
14 views

Why is Azure pinging my site?

I have noticed more and more, traffic from IPs assigned to Microsoft Azure/Microsoft Corporation hitting my WordPress site many times a day. It's direct traffic to just the home and privacy policy ...
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2answers
267 views

Why are Bing and SEMRushBot ignoring crawl-delay in my robots.txt file?

We host a large number of sites that have a large number of catalog pages. We would like to slow down several bots because the traffic is quite excessive from those bots. Specifically, we get quite a ...
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21 views

What is the time interval that reputable search engines can hit pages of your website during a crawl?

I'm trying to implement some protection against automated attacks on my website (mostly via scripts, probing for SQL injection, etc.) So I'm checking if two consecutive visits from the same IP fall ...

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