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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7 views

Error on public website when web scraping is called through my personal user agent [closed]

I'm brand new to coding and have finished making a simple program to web scrape some stock websites for particular data. The simplified code looks like this: headers = {'User-Agent': '...
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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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what should I do to make google index my website? [closed]

I have created a website for an association and it has been up for months now... still I cannot find it on google by a simple search. the website is this how can I make the process a little faster? or ...
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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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11 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
29 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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22 views

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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1answer
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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
39 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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38 views

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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1answer
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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
176 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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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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58 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
30 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
66 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
35 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
62 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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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
70 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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2answers
170 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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1answer
80 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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151 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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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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Disallowing a handler in robots.txt while adding its dynamic URLs to the XML sitemap

I'm using ASP.NET webforms, and I have a page lets call it Subjects.aspx, I don't want crawlers to crawl that page but I want them to crawl the dynamic URLs that are powered by it. For example /...
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1answer
56 views

Robots.txt for a multilanguage site where root is redirected

I have a site which offers two languages, English and Spanish. When the user navigates to the home page, let's say www.example.com the page redirects you to either /es if your browser language is ...
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61 views

Is it SEO problematic to create footnotes with frontend JavaScript?

I have an RTL (Hebrew) MediaWiki 1.34.0 website in which I am having a serious problem creating footnotes for articles with the core Extension:Cite because its de facto lack of support in Hebrew, as ...
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1answer
54 views

Google image crawler won't respect my robots.txt entry to not crawl images

I was looking for a way to prevent reverse image searching (namely I didn't want for people who had a copy of one of my images to upload it to google and discover where it originated from). I created ...
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19 views

How to get rid of unnecessary url's from google search console?

66 pages of my website which are all deleted still appears in page report of google search console. My eagerness is knowing all the possibilities. Questions include: 1. does this affect SEO? 2. How ...
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1answer
18 views

Bing attempting to index URLs that have never existed

I have several sites with dynamic links to products, where the product attributes are encoded into the URL. e.g. https://example.com/products/{"product_code":"Widget","size":"gargantuan"} https://...
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32 views

How do irrelevant parts of restructured URL affect SEO?

I'm new to SEO and not sure how exactly google crawler works If I use the following format for URL: example.com/category/id/name The content of the page is loaded by only the id part, the other ...
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1answer
22 views

Will Googlbot and other crawlers see content inserted by JavaScript on the window load event?

Many robots, especially Googlebot, can read content written by JavaScript on sites. There are some methods developed especially for site speed. At the beginning of these, do some operations after the ...
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1answer
27 views

A Hash Link should be indexed and crawled

I am building my TOC manually by specifying the anchor and build my bullet list. The links are shown as https://example.com/posturl#test1 Do you think these Hash links should be crawled and indexed ...
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1answer
133 views

Too many hits from GoogleBot

The last week I have about 500.000 hits/day from googlebot in one of my websites. As a result, the server has serious issues to handle the rest of the requests. What I have done Verified that it is ...
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1answer
98 views

Remove large amounts of pages from Bing Index Explorer

I have a website that I took over in my business. We redid the whole website (which was previously a mix of ASP and HTML) and is now a WordPress site running on nginx. I submitted the sitemap to ...

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