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

learn more… | top users | synonyms (7)

0
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1answer
24 views

Understanding the maximum hit-rate supported by a web-server

I would like to crawl a publicly available site (and one that's legal to crawl) for a personal project. From a brief trial of the crawler, I gathered that my program hits the server with a new ...
0
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1answer
39 views

Will making my AJAX app serve HTML snapshots improve SEO?

Currently, a small ajax web app of mine uses an anchor hijacking method to display content. The user clicks an anchor, I cancel the default browser event and funnel the link into an AJAX call, after ...
2
votes
2answers
565 views

What is Google's tolerance about cloaking with unwanted crawlers (fraudsters, scammers, etc)?

We have a classified ad website. Some fraudsters, scammers and kids crawl the content. Some can be: aggressive, running several EC2 with multi-threaded curl requests resulting in 100'000s requests ...
1
vote
1answer
57 views

Google WebMaster Tools Reports a Significant Increase in 500 Response Code Errors

Google's Webmaster tools shows lots of Crawl Errors. They are reported as 500 response code. How can I go about diagnosing this issue? The website is eCommerce business using the Magento ...
1
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2answers
36 views

Google Webmaster Tools linked from lists dead links

How long will Google Webmaster Tools try to crawl old links? We are seeing errors in the crawler that show "linked from" URLs that haven't existed in months. Will it just keep trying to crawl the link ...
1
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0answers
38 views

Subdomains for UK and USA [duplicate]

I have a site which is multilingual. I need to target it for visitors from different countries, including United Kingdom and USA. The problem is that if I make the main site for USA, and subdomain ...
11
votes
2answers
808 views

What bots are really worth letting onto a site?

Having written a number of bots, and seen the massive amounts of random bots that happen to crawl a site, I am wondering as a webmaster, what bots are really worth letting onto a site? My first ...
1
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1answer
25 views

Why does bingbot access my sites the most even if I set crawl rate to the minmum?

Recently my sites got overloaded and it turned out bingbot was the culprit. I set the crawl rate for the minimum for my sites in bing webmaster tools, but regardless bingbot has the most access (about ...
1
vote
3answers
51 views

How do I remove a LOT of indexed pages from Google?

A few weeks ago we have figured out that Google has indexed some information we would rather keep in some confidentiality, in the format of individual PDF files. Our assumption was that this was a ...
0
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0answers
3 views

Will I get penalised by google for overflow hidden? [duplicate]

I have 2 divs next to each other, div A and div B. Div A displays a whole wordpress post and div B displays about 15 excerpts of posts with the same tag. To get this looking nice I set the hight of ...
2
votes
2answers
83 views

Webmaster Tools word count

Is there a way to somehow verify that the Googlebot finds the headings and the content, for example by word count? I'm asking this because I tried a program called Screaming Frog, which fails to even ...
1
vote
1answer
91 views

Is this a good WordPress robots.txt configuration?

I am about to launch a new WordPress site and below is what I came up with for my robots.txt file. Should I combine some of these directives with a wildcard or should I include them both ways? I know ...
1
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1answer
47 views

Google Webmaster crawler showing internal links I cannot find

I've got the crawler showing links that appear to be double URL encoded links. Specifically links that are %2520 instead of %20 or . As far as I know I've fixed this a while ago by removing special ...
0
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1answer
36 views

How long is the penalty for Duplicate ecommerce content after it has been ressurected

I am fixing all of the duplicate content on my ecommerce site with all orignal descriptions etc. How long does it take google to start ranking it again? I used to have a good ranking that converted ...
1
vote
1answer
181 views

Redirect Google crawler to different robots.txt via .htaccess

I have googled for the answer all day and still couldn't find an answer. I have a virtual subdomain www.static.example.com which is a mirror site of www.example.com. It means I have just one root ...
1
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1answer
82 views

How to block a spam bot .htaccess proper formatting?

I have downloaded my access log file from my cPanel and found I have a bot I would like to stop. In the access log, there User-Agent string reads the following; 88.80.205.219 - - ...
0
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1answer
47 views

Does hosting the pre-release website on domain affect SEO?

Until now and still going strong I've always hosted my pre-release websites (my own and customers) (test builds / beta versions) on a test domain, before uploading the whole content to the official ...
2
votes
2answers
40 views

How do I get Google to index two URLs that differ only in the value of a URL parameter?

I have a site which has variable ID's which bring up different content For example: http://example.com/university.php?id=3 http://example.com/university.php?id=4 Technically these are two ...
0
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1answer
31 views

How to force search engines not to crawl my site, is there any special mark on them? [duplicate]

I want to block search engines from crawling my websites. Atleast for Msn, Yahoo, Google, and Yandex. i dont really trust robot.txt. Because they can simply ignore it and continue crawling. I would ...
6
votes
1answer
314 views

robots.txt blocking specific files also block unnecessary URLs

I am using Magento for one of my site. In Magento there is a file mage (no extension file name is mage only) to block this file I write robots.txt as # Files User-agent: * Disallow: /mage But this ...
0
votes
1answer
69 views

Google Webmaster Tool: “Severe health issues are found on your site” [closed]

I just saw the "Severe health issues are found on your site. Is robots.txt blocking important pages?" message on Google Webmaster Tools. This is what I have in robots.txt: User-agent: * Allow: ...
3
votes
2answers
318 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, ...
0
votes
1answer
53 views

Baidu spider does not obey DNS TTL

I moved my website from one VPS to another on 16th April. The A record of the domain name has a TTL of 86400. I made the IP address change at 19:00 GMT 16th April. I do not want the site to face ...
2
votes
2answers
65 views

How to make page content crawlable , which is requested in script from ajax on page load

I hope that the contents which is pulled on page load could be crawled by google robot, how to do that ? I went to Google Webmasters tool to ensure that whether Google crawler could see the content ...
0
votes
1answer
51 views

Why does bot traffic have a high (e.g. 100%) bounce rate in GA?

Since bots may request many pages at a time, why do they so often have a 100% bounce rate? It seem unlikely that they would only request one page, then leave for over 30 minutes, then request another ...
1
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1answer
68 views

Replacing url parameters tool usage with canonical / robots.txt to avoid crawl time

For a long time I've been getting Googlebot found an extremely high number of URLs warnings, which I know don't necessarily indicate there is a problem, but I am trying to reduce the amount of links ...
5
votes
5answers
1k views

Should I block agent Wget/1.12 (linux-gnu)?

Is that a scraper? It tried accessing my site which is currently password protected for testing purposes. shall I block it?
1
vote
2answers
89 views

What is better for SEO robots.txt file or dynamically generated robots.txt URL?

I was relying on our custom WordPress package's dynamically generated robots.txt URL for a few sites but it was not being honoured by Google or Bing (plugin URLs were getting indexed despite the rule ...
5
votes
3answers
111 views

Does meta name=robots content=nofollow prevent indexing iframes?

Let's say I have a publicly accessible page that contains an iframe back to a different page on my own domain. By default, google (and other crawlers) will index that page and the iframe's content. It ...
1
vote
1answer
64 views

Should my site be AJAX crawable?

I'm developing a website that uses a lot of AJAX. Now this is the first time I use AJAX and read something about making an AJAX website crawable I don't have any experience of SEO, but I read about ...
1
vote
1answer
42 views

Google bots and iframe

Here is the problem: Let say I have mydomain.com. The externaldomain.com/article/mydomain has an iframe with mydomain.com inside but the externaldomain.com robots.txt contains: Disallow: /article/ ...
6
votes
1answer
180 views

What happens if I try to set a cookie on a bot?

I'm building my site to include some user-identifying cookies. When a visitor chimes in, I will set a cookie with a unique visitor id (a guid) and the date-time of the visit, and save a visit record ...
7
votes
1answer
97 views

Combine user-agents in robots.txt

Can user-agents be listed together, followed by their common rules like so in a robots.txt? User-agent: Googlebot User-agent: ia_archiver #Alexa User-agent: BingPreview #Microsoft User-agent: bingbot ...
1
vote
1answer
42 views

Why would I use a robots.txt file? [duplicate]

From what I understand after reading Google's Controlling Crawling and Indexing: The purpose of robots.txt file is to disallow crawling of some URLs, but those can still be indexed (and appear in ...
0
votes
2answers
114 views

How do you determine when to block an IP address or range of addresses?

When analyzing traffic to some of my sites, I almost always notice a large amount of traffic from obscure sources like Japan, Russia, and other countries that really have no business visiting my ...
0
votes
2answers
60 views

Why URL and linked pages submissions for Google?

Why Google Webmaster Tools have limitation on URL and linked pages submissions? Is there any solution to submit more than 10 URL?
0
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2answers
90 views

Pages crawled with Cloudflare

I activated Cloudflare on my blog a few days ago and in their Analytics it shows me that there are 255 pages crawled by Bing, 16 by Yandex and only 1 by Google. Why only one page for Google? Should I ...
1
vote
3answers
172 views

Hide a site entirely from search engines (Google, Bing etc.)

My company is running a few internal websites that we do not want indexed by search engines such as Google, Bing etc. However, the websites still need to be accessible for our customers, and ...
0
votes
0answers
27 views

Stopping JavaScript savvy bots from getting into GA in the first place

I'm aware that bots can be filtered out at the profile level in GA, but I hadn't considered the effect of letting all that bogus data into the web property, and therefore ultimately counting against ...
1
vote
1answer
32 views

Custom Sitemap or sitemap generator tool [closed]

I have recently launched a website which is using a free sitemap generator. It's a large travel agency site with predominantly dynamically generated content - users can add their products as and when ...
-1
votes
1answer
52 views

Downloading pdf files [closed]

I have very basic programming skills or other computer skills. I wanted to download whole web content including pdf text files from a website, by going through each pdf and downloading them ...
1
vote
1answer
52 views

Will there be a conflict between my Sitemap.xml and robots.txt?

I have a robots.txt with the following in it: User-agent: * Disallow: http://tests.compkerworld.com/report_question_error.php?question_id=*&url=* Sitemap: ...
0
votes
2answers
110 views

Preventing links with query parameters from being indexed by Google

I manage a mobile version of a desktop site. The mobile site has an mdot subdomain and is served from a different server. As part of recommended best practices by Google, I've included a link on the ...
1
vote
1answer
240 views

Sudden decrease in pages crawled per day

During the last few days, Googlebot has crawled much less page in my site than it normally does. I'm not seeing any new errors, and haven't identified a reason for this. Is such a hugh and sudden ...
2
votes
1answer
97 views

Upgrading website from XHTML 1.0 Transitional to HTML 5: how can it affect SERP positions?

We have an enough old but still supported website which is XHTML 1.0 Transitional now. We are going to change it to HTML 5 to add some new features in the future (microdata, ...
1
vote
2answers
504 views

What is bingsandbox.com? [closed]

I toyed around a with "Bing Webmaster Tools": https://www.bing.com/toolbox/webmaster And then checked access.log. One referrer was http://www.bingsandbox.com/ Link: http://www.bingsandbox.com/ ...
3
votes
2answers
99 views

Why is AhrefsBot requesting a page that's been removed from my website?

I was reviewing the logs of my website (WordPress), and I saw a line like this : myWebsite:80 5.10.83.28 - - [17/Jan/2014:09:05:53 +0000] "GET myUrl == HTTP/1.1" 404 5716 "-" "Mozilla/5.0 ...
3
votes
2answers
143 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 ...
2
votes
1answer
209 views

Restrict all robots except Googlebot and Yandexbot

I want to allow Googlebot access all my pages with crawl delay. Yandexbot access only index.html. Bingbot access /tools pages. All other bots will not be accessed my pages. Is this robots.txt ...
1
vote
1answer
271 views

Preventing Twitterbot to access website

I have a Twitter application so users of my application shares links of my webpage inside their tweets. It seems like bots follow these links and some of these bots create high bandwidth usage. And ...