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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91 views

What dangers await if I block non-standard, non-major-usa search engine bots from my USA only website?

I noticed tons of bandwidth being used by non-USA search engine bots, so I began blocking them in an effort to save bandwidth and cpu cycles for actual users and the search engines they come from ...
5
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1answer
205 views

How to get rid of crawling errors due to the URL Encoded Slashes (%2F) problem in Apache

The Google web crawler has indexed a whole set of URLs with encoded slashes (%2F) for our site. I assume it has picked up the pages from our XML sitemap file. The problem is that the live pages will ...
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1answer
115 views

403 Error Crawling Pages

I am receiving more than 6000 errors in Google Webmaster Tools. It is showing "access denied"; can anyone please help me out with resolving this?
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1answer
93 views

Recommend any tool to place .docx files on website for viewing so that search engines crawl it?

Recommend any tool to place .docx files on website for viewing so that search engines crawl it without any problem. I use scribd viewer, set the document as private on scribd and embed the file on my ...
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0answers
22 views

Does google crawl css scripts to check of hidden content [duplicate]

Possible Duplicate: hidden texts and page rank Does googlebot crawl CSS scripts to determine if content is hidden or not? If so, is it advisable to hide or not to hide content to improve on ...
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1answer
139 views

How to disallow indexing but allow crawling?

In the front page of my website, I have some previews to articles (with a small introduction to them) that link to the full articles. I want to disallow the front page to prevent duplicate content. ...
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2answers
54 views

If C-Panel Indexing Manager sets a folder to “No Indexing” can it be crawled by a webcrawler?

People are able to view directories / folders on my site right now. So, they could go to mysite.com/images and see the full index. To prevent this, C-Panel offers an option to set a directory / ...
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17 views

Is this Anti-Scraping technique viable with Crawl-Delay? [duplicate]

Possible Duplicate: How do spambots work? I want to prevent web scrapers from abusing 1,000,000 on my website. I'd like to do this by returning a "503 Service Unavailable" error code for ...
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1answer
206 views

mod_rewrite and SEO friendliness

My website has an atypical structure and I'm not sure if this could create problems in the long run, specially for SEO positioning purposes. I have a unique, large PHP script, and I use the Apache ...
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1answer
179 views

webmaster tools 500 crawl error for asp faceted navigation that does not exist

I am getting around 2,500 type 500 URL errors in Google webmaster tools. These pages are faceted navigation results that can not be reached by a site visitor. These pages do not exist. We are using ...
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2answers
80 views

Google crawls my website too slowly [duplicate]

Possible Duplicate: What are the best ways to increase a site's position in Google? I think Google crawls it too slowly (every three days). I updated it daily and it's kind of ...
8
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1answer
202 views

Disqus thread migration. Gotchas?

I've been migrating a site to a new domain. The site itself is pretty straightforward (it uses Jekyll), and everything has gone fine -- except migration of Disqus threads. I've had partial success ...
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2answers
418 views

Number of page requests by any Bot in 5 secs

I am writing a script that will block any bot that requests page(s) for example X times in the past 5 secs. I need to find the X here. Do you guys know some approx values I can use?
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1answer
218 views

How to hide download file from bots? [duplicate]

Possible Duplicate: How to restrict the download of all files in a folder? I want to make a private file available for download but not use username/password protection. I want to put the ...
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1answer
105 views

Set initial robots.txt restrictions so high, Googlebot won't even try to access the updated less strict file.

When I initially setup my blog I put the restrictions on robots.txt way too high. They were so stick that googlebot can't even access the udated less strict robots file. I've been at this problem for ...
8
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1answer
3k views

Google Webmaster Tools tells me that robots is blocking access to the sitemap

This is my robots.txt: User-agent: * Disallow: /wp-admin/ Disallow: /wp-includes/ Sitemap: http://www.mydomain.org/sitemap.xml.gz But Google Webmaster Tools tells me that robots is blocking access ...
3
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2answers
916 views

How to crawl a webPage with dynamic content added by javascript

I guess there is a news that Google bots have the capability to understand our javascript code. It means this is possible to fully crawl a webpage which has lazy loading feature enabled. I am using ...
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3answers
642 views

User-agent identification and SEO crawler database

I am requested to analyze the traffic log of a site. In particular I have to identify the crawlers starting from the collected user agent values. I know there are 'trap' links that you can use to ...
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2answers
112 views

Yandex frequently replaces page names with ampersands

The Yandex spider is a frequent visitor to one of the sites I manage. On occasion it replaces the page name with two ampersands and a space. So if the page is: /mypage.aspx?param=value then it ...
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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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5answers
2k views

Why deny access to website for msnbot/bingbot?

I've seen quite a lot of tutorials that recommend you to ban user agents containing the strings libwww-perl and msnbot. I understand why one would ban libwww-perl, it's mainly if not only used for ...
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4answers
5k views

How to block baidu spiders

Most of my visits are from baidu spiders. I don't think it helps search engines at all so I'm thinking of how to block them. Could this be done via iptables? I'm using nginx as my webserver.
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1answer
147 views

Do or can robots cause considerable performance issues?

At work we are in a discussion with team members who seem to think bots will cause us problems relating to performance when running on our services website. Our setup: Lets say I have site ...
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4answers
4k views

Adsense click bot is click bombing my site

I have a site that get's roughly 7,000 - 10,000 page views per day right now. Starting around 1 AM on 7/1/12 I noticed the CTR was rising dramatically. These clicks would be credited then ...
2
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1answer
59 views

Adding tagged / dynamic pages in sitemap

I've got a blog that's been running for about a year, with about 200 posts, and there should be about 220 pages to index (additional pages for about / contact etc). When I go to crawl the site I get ...
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2answers
152 views

Robots.txt and “Bad” Robots

I understand robots.txt and its purpose. I have read some people saying that using a Robots.txt gives "bad" robots or robots who do not obey a robots.txt a way to access pages on your site that you do ...
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2answers
76 views

Is there a weight for html link?

I would like to know if there is any weight associated with a html link (its backlink) when google does crawling/indexing. Will 1,2 & 3 be ever considered as a backlink by Google? 1. <a ...
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1answer
224 views

Is browser and bot whitelisting a practical approach?

With blacklisting it takes plenty of time to monitor events to uncover undesirable behavior and then taking corrective action. I would like to avoid that daily drudgery if possible. I'm thinking ...
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2answers
2k views

Ask.com sitemap crawler down (for good)?

I have been using Ask.com as one of the search engines to ping my sitemap. When I went to ping my sitemap today to have my sitemap re-indexed, the website (http://submissions.ask.com/ping) says it no ...
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3answers
95 views

Free standalone crawlers

Are there any free standalone crawlers that I can use apart from Google webmaster to analyze errors? Something that shows me all 404's, errors etc
4
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1answer
221 views

Using rel=canonical and noindex in a 1-n partners environment

We sell complete sites including the domains to several partners that create content that is shown together at the main site. What we want to achieve is that the main site copy is the original but the ...
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1answer
504 views

Apache real time robot detection

Background Our website is being a. scraped - complete pages downloaded b. spidered - complete pages and sub links followed c. mined - specific files downloaded at high speed by hundreds of ...
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1answer
257 views

Need to sanity-check my .htaccess, especially Limit GET POST line for Google repellent

I need a sanity check on this .htaccess (from a WordPress site) I inherited from a 5 month+ old site. What's the symptom? Google + Bing crawl, but don't index any of the pages. Let me be clear: I'm ...
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1answer
77 views

How do I make the home page of the website to come up in the rankings than the internal pages? [duplicate]

Possible Duplicate: What are the best ways to increase your site's position in Google? Suppose I have a website, e.g. www.example.com that comes at number 6 on the Google search ...
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0answers
96 views

Disallow age gate/verification page in robots.txt?

Should I disallow the age gate page in robots.txt? I need to make sure the crawlers can get through the gate.
3
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2answers
185 views

Can Google tell the difference between a link in a blog post and a link in a blog comment?

When Google Blog Search crawls a page, can it tell whether a link is in the article or whether it's in a comment? If it can, does it grade the links, that is, a link from a blog comment is only going ...
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2answers
1k views

Does searchbots index content in iframe [duplicate]

Possible Duplicate: Do we still need to avoid using frame/iframe for good SEO? I have a html page that has a map of a country with lots of dots indicating location of companies through out ...
3
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1answer
768 views

Why is BingBot causing so many 404 errors by removing letters from url's?

Since the ForceRecrawl problem went away Bing has come back with some new trends. I'm seeing many URLs missing the last letter, or missing a few letters, and some other wired guess URLs. It also ...
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1answer
205 views

Search engines crawling non-existent subdomains

A few years ago, a previous developer added my company's website to a link farm he ran. My company has a wildcard subdomain, so any subdomains will return the user to the homepage. As such, the dev ...
5
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1answer
191 views

What is User-Agent “AF_ID=<xxxxxx>”

We periodically (more frequently recently) have very agressive crawling activity coming from EC2 instances that give us a user agent that looks like "AF_ID=". I've looked around for common ...
7
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2answers
635 views

@font-face, google fonts and SEO

Someone I know claims that search engines like Google have trouble with fonts that aren't the old standard fonts of yesteryear, resulting in pages not getting parsed by search spiders, and that to be ...
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1answer
552 views

How to determine if Google's Crawl Rate for your site is eating up too much Bandwidth?

I was reading about changing Google's crawl rate and how there is a balance in which if the crawl rate is too fast, it will slow your site down; but if the crawl rate is too slow, then page ...
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4answers
116 views

Is it bad for SEO to have a site with no click navigation?

I have a site where users can only get to most of the sites content through search. If I make a sitemap that has the URLs for all of the potential searches is it ok that these pages cannot be click ...
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1answer
534 views

Question about robots.txt Google shows urls are blocked

I am working on this site dealsin.us and the Google webmasters tool shows that there are about 9800+ urls blocked by robots.txt. You can view the robots.txt here I have blocked some directories which ...
4
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2answers
525 views

How often are sitemap.xml checked for updates by crawlers?

How often do crawlers check for updates in submitted sitemap.xml? Every hour, day, week, month, more?
4
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2answers
513 views

Understanding Ajax crawling of search site

I have a couple of questions about Ajax crawling of a website, which is kind of search engine itself. The base article explains the mechanism of making AJAX applications crawlable. All this stuff ...
2
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1answer
180 views

Will google “forget” unlinked pages?

If i remove all links to a page, but do not delete the page from the site (nor block it from being requested), will google eventually "forget" about it when it reindexes the site? Assuming of course ...
2
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1answer
244 views

Stop bots from crawling old links with extensions

I've recently switched to MVC3 which is extension-less for the URL's, but Google and Bing have a wealth of links that they are crawling which no longer exist. So I'm trying to find out if there is a ...
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1answer
1k views

BingPreview user agent

I'm getting several invalid requests from a "BingPreview" user agent. The complete user agent header is: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b The ...
3
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1answer
350 views

How to interpret number of URL errors in Google webmaster tools

Recently Google has made some changes to Webmaster tools which are explained below: http://googlewebmastercentral.blogspot.com/2012/03/crawl-errors-next-generation.html One thing I could not find out ...