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Analyzing One Million robots.txt Files
Insights gathered from analyzing the robots.txt files of Alexa's top one million domains.


refrr:https://unroll.me/a/read-email?emailBodyUrl=https%3A%2F%2Fs3.amazonaws.com%2Funrollme_html_cache%2F3092193%2F1579076035071540616%3FAWSAccessKeyId%3DASIAJNIPQ5LSCIZQ4KIQ%26Expires%3D1506010184%26Signature%3D%252FoXAjql2GOWmHh84g7t1E1XdrD0%253D%26x-amz-security-token%3DFQoDYXdzENb%252F%252F%252F%252F%252F%252F%252F%252F%252F%252FwEaDCxdD1dqm8FUsqq6PCK3A3a%252B%252Bu%252FBEhoKLYfwyOCjCxuz8yTJltp4f%252B%252FCklYDPv6pjVotbSab69m225eOJ72eIsjcx2b8NUI0AO0jAz0PS2twHVvxRuOSkGERpxocAUkXSENiq5vzsxEm%252FzNOSd6xMmnmJOuF2tfY8YUIt5ojo2Mb5%252FZ8au%252F3372hKw8x6RAzEwW%252FsCrnu0aANW8MJfVN%252BhidlJno1uZJyIG8W1MEAq8gcnkbf325ZLFwfBnVstm57A0rbGITL213tzkpwQcp%252Fi%252BDsrLiYF5IsikQSmHBC2VR4Jf1YprFvGp%252Bxu%252FL9muEfM9jjmijoOTz%252ByOCaZ309ESy9VCshbQOFTOER%252BbPhX12eRXU34%252BLnmFfDTj94TL8983fvCA0HuQkeISn1QoyfCXIsjDy7ZfetxJpoRSiJ8au0zqhKlxdZSvPnRHUb8i6euKEK4m1bcfw6ZzPeoUHhqDX0d2Xky%252BugEMDhcE9DKJ12eQoPH8QwrXOF4tbL6Fr3ILl0yPHwyKNWXkf%252BM2bVKlLl%252BHb5m6697SABgvAJNBXqFuMmRhPiChqLCjGuXzxrNspQK1wUkhvosLqtKhoP6WzDzGCv9sojuOOzgU%253D&emailId=9194885502&accessControl=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzY29wZXMiOlsiYWNjb3VudCJdLCJrbiI6IjQxYWI0YjFkLTQ0NDUtNDIwNC05OTJkLTU0NWVlZTRlZTg3MSIsImV4cGlyZXMiOiIyMDE3LTA5LTIxVDE2OjA5OjQzLjk4OFoiLCJpZCI6MzA5MjE5MywiaWF0IjoxNTA2MDA2NTgzfQ.CTlBIN-Mr_P9djk6znqZXszuS097u9qQ0Uy39wn-zynhxOtpYSoSJRUJnKRvG970wGGierWp9BiA4o6lkey9P2ebl0XyV3m1pLFyu-p_79IoBhGCQ7gTjswloRvEITseHp3xWfLFJQw0-1EiqhuIBUb22fK0VEVH-HkJZyx7NpPg936vUtNOGyXdcFOC5P6p3CYFoiwllSGPuG-LAaOsFKiscpXkR6xLRVGThYaMalsKJOyDJlBR6EjL98ZFyfEk_wRYyGJmV1u8WbdD7shFDZ_g4DZapIKLHzHulsPj0KCg6Nsa28C5vhmc5YaqUfdEn_gCwfOw7_VkKeUwUlOtUQ
Insights gathered from analyzing the robots.txt files of Alexa's top one million domains.


refrr:https://unroll.me/a/read-email?emailBodyUrl=https%3A%2F%2Fs3.amazonaws.com%2Funrollme_html_cache%2F3092193%2F1579076035071540616%3FAWSAccessKeyId%3DASIAJNIPQ5LSCIZQ4KIQ%26Expires%3D1506010184%26Signature%3D%252FoXAjql2GOWmHh84g7t1E1XdrD0%253D%26x-amz-security-token%3DFQoDYXdzENb%252F%252F%252F%252F%252F%252F%252F%252F%252F%252FwEaDCxdD1dqm8FUsqq6PCK3A3a%252B%252Bu%252FBEhoKLYfwyOCjCxuz8yTJltp4f%252B%252FCklYDPv6pjVotbSab69m225eOJ72eIsjcx2b8NUI0AO0jAz0PS2twHVvxRuOSkGERpxocAUkXSENiq5vzsxEm%252FzNOSd6xMmnmJOuF2tfY8YUIt5ojo2Mb5%252FZ8au%252F3372hKw8x6RAzEwW%252FsCrnu0aANW8MJfVN%252BhidlJno1uZJyIG8W1MEAq8gcnkbf325ZLFwfBnVstm57A0rbGITL213tzkpwQcp%252Fi%252BDsrLiYF5IsikQSmHBC2VR4Jf1YprFvGp%252Bxu%252FL9muEfM9jjmijoOTz%252ByOCaZ309ESy9VCshbQOFTOER%252BbPhX12eRXU34%252BLnmFfDTj94TL8983fvCA0HuQkeISn1QoyfCXIsjDy7ZfetxJpoRSiJ8au0zqhKlxdZSvPnRHUb8i6euKEK4m1bcfw6ZzPeoUHhqDX0d2Xky%252BugEMDhcE9DKJ12eQoPH8QwrXOF4tbL6Fr3ILl0yPHwyKNWXkf%252BM2bVKlLl%252BHb5m6697SABgvAJNBXqFuMmRhPiChqLCjGuXzxrNspQK1wUkhvosLqtKhoP6WzDzGCv9sojuOOzgU%253D&emailId=9194885502&accessControl=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzY29wZXMiOlsiYWNjb3VudCJdLCJrbiI6IjQxYWI0YjFkLTQ0NDUtNDIwNC05OTJkLTU0NWVlZTRlZTg3MSIsImV4cGlyZXMiOiIyMDE3LTA5LTIxVDE2OjA5OjQzLjk4OFoiLCJpZCI6MzA5MjE5MywiaWF0IjoxNTA2MDA2NTgzfQ.CTlBIN-Mr_P9djk6znqZXszuS097u9qQ0Uy39wn-zynhxOtpYSoSJRUJnKRvG970wGGierWp9BiA4o6lkey9P2ebl0XyV3m1pLFyu-p_79IoBhGCQ7gTjswloRvEITseHp3xWfLFJQw0-1EiqhuIBUb22fK0VEVH-HkJZyx7NpPg936vUtNOGyXdcFOC5P6p3CYFoiwllSGPuG-LAaOsFKiscpXkR6xLRVGThYaMalsKJOyDJlBR6EjL98ZFyfEk_wRYyGJmV1u8WbdD7shFDZ_g4DZapIKLHzHulsPj0KCg6Nsa28C5vhmc5YaqUfdEn_gCwfOw7_VkKeUwUlOtUQ
robots  robots.txt  crawler  seo 
16 hours ago by michaelfox
The Tale of Creating a Distributed Web Crawler
Good write-up of building a distributed crawler. Ran into many of the same problems we did.
web  crawler  distributed  python  mongodb 
9 days ago by look
StormCrawler

A collection of resources for building low-latency, scalable web crawlers on Apache Storm
apache.storm  stream.processing  crawler  scraper  java 
12 days ago by tonious
How to keep bad robots, spiders and web crawlers away
Many so called webbots or web spiders are currently used for many different things on the Internet. Examples include search engines that use them to catalog the Internet, email marketing people that search for email addresses and many more. For a description of such robots check out The Web Robots Faq.
crawler  robots.txt  webmaster 
17 days ago by jchris
BuiltWith.com | Website‘s Technology Lookup
- Web technology information profiler tool. Find out what a website is built with.

- Internet Technology Trends: BuiltWith® covers 20,463+ internet technologies which include analytics, advertising, hosting, CMS and many more. See how the internet technology usage changes on a weekly basis. With BuiltWith.com Technology Trends data back to November 2008.

- Lead Generation: Build lists of websites from our database of 20,463+ web technologies and over a quarter of a billion websites showing which sites use shopping carts, analytics, hosting and many more. Filter by location, traffic, vertical and more.

- Sales Intelligence: Know your prospects platform before you talk to them. Improve your conversions with validated market adoption.

- Market Share: Get advanced technology market share information and country based analytics for all web technologies.
Architecture  Technology  Analytics  WebDesign  Tools  OnlineApp  Web  Crawler  CMS  Internet  Snooper 
24 days ago by abetancort
Wappalyzer - Identify technologies on websites
Wappalyzer is a cross-platform utility that uncovers the technologies used on websites. It detects content management systems, ecommerce platforms, web frameworks, server software, analytics tools and many more.
Architecture  Technology  Analytics  WebDesign  Tools  OnlineApp  Web  Crawler  CMS  Internet  Snooper 
24 days ago by abetancort
How to build a Scalable Crawler on the cloud, that can mine thousands of data points, costing less…
As someone who just moved from Rio de Janeiro (Brazil) all the way to Vancouver (Canada), the first thing that hits you right in the face (aside from the beautiful scenery and the Tim Hortons) are…

#aws #lambda #cloud #serverless #data-mining


refrr:https://unroll.me/a/read-email?emailBodyUrl=https%3A%2F%2Fs3.amazonaws.com%2Funrollme_html_cache%2F3092193%2F1576539440708885722%3FAWSAccessKeyId%3DASIAJRGVLOGCRCQMPNJA%26Expires%3D1503606131%26Signature%3D9kuHhzKfQJVAXHwo0dU4PBRVXkU%253D%26x-amz-security-token%3DFQoDYXdzEBsaDEgolPD4Izrx2zTZ8iK3A81v1jY89YH5majDNRBfr6TQKou8gulC8KcQdF2lrt%252B8R%252FH2Nmh69NbSaEC6a%252BD2wro9%252Bf5Bgb%252BMPmDnO3iU97jQSw6GdBRyrEO2%252FQyH2QcAC%252Fhn%252FHklzl16UYy3LNY2Jeyp8O1vG2RwK6bKqB1SvdNi3jYgy%252FXKt8u4eEYgav9uC5kdlftCIaLmSPU%252FZyo%252BFVipXjovOfhFO9gwWZCdWVvd2F5%252FOe%252FrtbsDNixbGIlVdrjSPBkdlyORSTIK3%252B4E5XsFj4YthMTqr7n1RgDkEXnh%252FN%252BapWQbEBUJw%252F%252BMn2EvpfIG%252Fypeh3DIPlIF7NWCWIycQ8mRNeuqVqW%252FFMJ8RddCnhLsJSDJSkjS1jvw0ydBBDsus3UAGQdyNjP1QdETNSUwlqlp%252B%252BH9x%252BBMJdpB%252Fl8IKjK7QnGWS2AGRRBZBPJdqj%252Bv3XQvuGO0DiRpEBAjrFz19%252BIKPMzdY4hqYckVgyH%252Bmuh9R%252B8prZ%252BDloy4hoA3HI7OQjU84QRgGttfTQkZrzUUpWcJNImOCAK88h2ywNDkiq5%252FvDH75lau4Fbi%252BNZ7fePJInpP6HN2wN69m1ojmgi0QgnhvGUon6r8zAU%253D&emailId=8911857682&accessControl=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzY29wZXMiOlsiYWNjb3VudCJdLCJrbiI6IjQxYWI0YjFkLTQ0NDUtNDIwNC05OTJkLTU0NWVlZTRlZTg3MSIsImV4cGlyZXMiOiIyMDE3LTA4LTI0VDIwOjIyOjA5Ljg3N1oiLCJpZCI6MzA5MjE5MywiaWF0IjoxNTAzNjAyNTI5fQ.J9mcDXs8vppkX4oREYQsu7eWL1qg9Ha-11RmX0L67QsL-A_CofOZC-VSXF3Rrpef12ev-x-YQPKhcA4NkY_Qa_iEpxk-yiasl4VISHiFw65RMtz9wFCIMZ-j9wtSeZhaWreFkiaN5vb7lS6FgIMlgVveS0fjHVLI3Oig_6_qtlKV_Sq4oAp-JFS0EWjo-BvsHVwC3w1kTCYo26ArVcOzWTWB4_nRXAnWREoZT9cuWqU1eU05Vvag-zv53LDUfxfEoOD--6M7TXhwbBZcoxmdA1p9wDdbEpjMbOCr_ppOABOjTzd-LFTjys_VPYjoJJahlfrV8KhpW4vpSfQ_Ess8cQ
As someone who just moved from Rio de Janeiro (Brazil) all the way to Vancouver (Canada), the first thing that hits you right in the face (aside from the beautiful scenery and the Tim Hortons) are…

#aws #lambda #cloud #serverless #data-mining


refrr:https://unroll.me/a/read-email?emailBodyUrl=https%3A%2F%2Fs3.amazonaws.com%2Funrollme_html_cache%2F3092193%2F1576539440708885722%3FAWSAccessKeyId%3DASIAJRGVLOGCRCQMPNJA%26Expires%3D1503606131%26Signature%3D9kuHhzKfQJVAXHwo0dU4PBRVXkU%253D%26x-amz-security-token%3DFQoDYXdzEBsaDEgolPD4Izrx2zTZ8iK3A81v1jY89YH5majDNRBfr6TQKou8gulC8KcQdF2lrt%252B8R%252FH2Nmh69NbSaEC6a%252BD2wro9%252Bf5Bgb%252BMPmDnO3iU97jQSw6GdBRyrEO2%252FQyH2QcAC%252Fhn%252FHklzl16UYy3LNY2Jeyp8O1vG2RwK6bKqB1SvdNi3jYgy%252FXKt8u4eEYgav9uC5kdlftCIaLmSPU%252FZyo%252BFVipXjovOfhFO9gwWZCdWVvd2F5%252FOe%252FrtbsDNixbGIlVdrjSPBkdlyORSTIK3%252B4E5XsFj4YthMTqr7n1RgDkEXnh%252FN%252BapWQbEBUJw%252F%252BMn2EvpfIG%252Fypeh3DIPlIF7NWCWIycQ8mRNeuqVqW%252FFMJ8RddCnhLsJSDJSkjS1jvw0ydBBDsus3UAGQdyNjP1QdETNSUwlqlp%252B%252BH9x%252BBMJdpB%252Fl8IKjK7QnGWS2AGRRBZBPJdqj%252Bv3XQvuGO0DiRpEBAjrFz19%252BIKPMzdY4hqYckVgyH%252Bmuh9R%252B8prZ%252BDloy4hoA3HI7OQjU84QRgGttfTQkZrzUUpWcJNImOCAK88h2ywNDkiq5%252FvDH75lau4Fbi%252BNZ7fePJInpP6HN2wN69m1ojmgi0QgnhvGUon6r8zAU%253D&emailId=8911857682&accessControl=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzY29wZXMiOlsiYWNjb3VudCJdLCJrbiI6IjQxYWI0YjFkLTQ0NDUtNDIwNC05OTJkLTU0NWVlZTRlZTg3MSIsImV4cGlyZXMiOiIyMDE3LTA4LTI0VDIwOjIyOjA5Ljg3N1oiLCJpZCI6MzA5MjE5MywiaWF0IjoxNTAzNjAyNTI5fQ.J9mcDXs8vppkX4oREYQsu7eWL1qg9Ha-11RmX0L67QsL-A_CofOZC-VSXF3Rrpef12ev-x-YQPKhcA4NkY_Qa_iEpxk-yiasl4VISHiFw65RMtz9wFCIMZ-j9wtSeZhaWreFkiaN5vb7lS6FgIMlgVveS0fjHVLI3Oig_6_qtlKV_Sq4oAp-JFS0EWjo-BvsHVwC3w1kTCYo26ArVcOzWTWB4_nRXAnWREoZT9cuWqU1eU05Vvag-zv53LDUfxfEoOD--6M7TXhwbBZcoxmdA1p9wDdbEpjMbOCr_ppOABOjTzd-LFTjys_VPYjoJJahlfrV8KhpW4vpSfQ_Ess8cQ
aws  scraper  crawler  serverless  devops 
28 days ago by michaelfox
Rendering on Google Search  |  Search  |  Google Developers
Google Bot のレンダリングサービスについて。
google  crawler  chrome 
4 weeks ago by summerwind
kgretzky/dcrawl: Simple, but smart, multi-threaded web crawler for randomly gathering huge lists of unique domain names.
dcrawl - Simple, but smart, multi-threaded web crawler for randomly gathering huge lists of unique domain names.
crawler  golang 
4 weeks ago by damli

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