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Web development

Semalt: The Scrape Web Data Tips - ¡No te pierdas!

by
Dec 01, 2017

Cuando no puede obtener los datos que se requieren en una web, existen otros métodos que puede usar para resolver esos problemas. Por ejemplo, uno puede obtener los datos de las API basadas en la web, extraer datos de varios archivos PDF o incluso de sitios web de raspado de la pantalla. La extracción de datos de archivos PDF es una tarea desafiante ya que el PDF generalmente no contiene la información exacta que uno puede requerir. Por otro lado, durante el proceso de raspado de la pantalla, el contenido que se extrae se estructura mediante un código o mediante el uso de la utilidad de raspado. Obtener datos de chatarra web puede ser una tarea difícil, pero una vez que uno tiene una idea de lo que se debe hacer, se vuelve fácil.

Datos legibles por máquina

Uno de los principales objetivos del raspado web es poder acceder a datos legibles por máquina. Esta información es creada por la computadora para su procesamiento, y algunos de sus ejemplos de formato incluyen XML, CSV, archivos de Excel y Json. Los datos legibles por máquina son una de las diversas maneras en que uno puede utilizar para obtener datos de raspado de la web, ya que es un método simple y no requiere un alto nivel de técnica para manejarlo.

Sitios web de raspado

El raspado de sitios web es uno de los métodos más utilizados para obtener la información que se requiere. Hay algunos casos en que los sitios web no funcionan correctamente.

Aunque el raspado web es el más preferido, hay varios factores que hacen que el raspado sea más complicado. Algunos de ellos incluyen código HTML que está mal formateado y bloqueo de acceso masivo. Las barreras legales también pueden ser un problema en el manejo de datos web raspados ya que hay algunas personas que ignoran el uso de licencias. En algunos países, esto se considera sabotaje. Las herramientas que pueden ayudar a rastrear o extraer información incluyen servicios web y algunas extensiones de navegador según la herramienta del navegador que se utilice. Los datos web raspados se pueden encontrar en Python o incluso en PHP. Aunque el proceso requiere muchas habilidades, puede ser fácil si el sitio web que uno usa es el correcto.

Frank Abagnale
Thank you for reading my article! I hope you find the tips useful.
Sarah Thompson
Great article, Frank! The tips you provided are really helpful for web scraping. Thanks!
John Smith
Sarah, I completely agree. Frank's tips are easy to follow and have improved my web scraping skills significantly.
Lisa Thompson
Sarah, I couldn't agree more. Frank's article is a gem for anyone interested in web scraping.
Mike Johnson
I've been looking for some effective web scraping techniques. Your article is timely, Frank. Well done!
Emma King
Mike, your comment echoes my thoughts exactly. Frank's tips have been a game-changer for me. Thank you, Frank and Semalt!
Emily Chen
Semalt is doing an amazing job in providing valuable insights. I always enjoy reading their articles. Thanks for sharing, Frank!
Ryan Lee
Emily, I'm also a big fan of Semalt's articles. They consistently provide quality content. Kudos to Frank for this informative piece!
Andrew Davis
Frank, this article is gold! The tips are practical and easy to understand. Keep up the good work!
Sophia Johnson
Andrew, I couldn't agree more. Frank's insights always bring added value. Thank you, Frank, for sharing your expertise!
David Williams
Frank, great article! Your tips have already helped me enhance my web scraping techniques. Thank you!
Frank Abagnale
David, I'm glad to hear that my tips have been beneficial for you. If you have any specific questions, feel free to ask!
Melissa Adams
Frank, your article is a treasure trove of web scraping tips. Thank you for sharing your knowledge with us!
Frank Abagnale
Melissa, thank you for your kind words. It's great to see that the article is being well-received. Let me know if you have any questions!
Adam Wilson
Semalt consistently produces informative content. Frank, your article is another example of their excellence. Well done!
Frank Abagnale
Thank you, Adam! Semalt strives to deliver valuable content, and I'm honored to contribute. If you have any queries, feel free to ask.
Julia Thompson
Frank, your article is comprehensive and well-presented. Thank you for sharing these valuable scraping tips!
Daniel Roberts
Frank, your expertise shines through in this article. Thank you for providing actionable tips. Keep up the great work!
Olivia Adams
Frank, I stumbled upon this article, and I'm glad I did. Your tips have already helped me improve my web scraping techniques. Thank you!
Sophia Clark
Frank, excellent article on web scraping. I appreciate the insights you shared. Well done!
Alex Reid
Frank, your article is a treasure trove of valuable web scraping tips. Thank you for generously sharing your knowledge!
Kate Peterson
Frank, the tips you mentioned in the article are incredibly valuable. Thank you for providing such useful information!
Michael Foster
Frank, your article is a lifesaver for someone like me who deals with web scraping regularly. Thank you for sharing your expertise!
Emily Evans
Frank, your tips are practical and easy to implement. Thank you for sharing your valuable knowledge with us!
Jake Lewis
Frank, your article has given me a deeper understanding of web scraping. Thank you for sharing these insightful tips!
Frank Abagnale
Jake, I'm glad to hear that my article has helped you gain a better understanding. If you have any questions, feel free to ask!
Ella James
Frank, I thoroughly enjoyed your article on web scraping. Thank you for providing valuable tips!
Joshua Hughes
Frank, your article is an incredible resource for anyone interested in web scraping. Thank you for sharing!
Lucy Bennett
Frank, your tips are practical and actionable. Thank you for sharing your expertise with us!
Nathan Peterson
Frank, great article! Your tips have already improved my web scraping techniques. Thank you!
Frank Abagnale
Nathan, I'm thrilled to hear that my tips have helped enhance your web scraping skills. If you have any specific questions, feel free to ask!
Grace Robinson
Frank, your article is insightful and informative. Thank you for sharing these web scraping tips!
Lucas Brown
Frank, thank you for providing valuable web scraping tips in your article. It's greatly appreciated!
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Frank, your article is well-written and packed with useful information. Thank you for sharing your expertise!
Mason Wilson
Frank, your article is a fantastic resource for web scraping enthusiasts. Thank you for the valuable insights!
Hailey Turner
Frank, your tips have given me a fresh perspective on web scraping. Thank you for sharing your knowledge!
David Martinez
Frank, thank you for the informative article on web scraping. Your tips are truly helpful!
Ethan Reed
Frank, your article is a treasure trove of web scraping techniques. Thank you for sharing your expertise!
Sophie Hill
Frank, as always, your article is incredibly helpful. Thank you for providing practical web scraping tips!
Aiden Wright
Frank, your tips are practical and easy to implement. Thank you for sharing your knowledge with us!
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Frank, your article has given me new ideas and insights into web scraping. Thank you for sharing your expertise!
Adam Green
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Frank, your tips have been a game-changer for me. Thank you for providing actionable advice on web scraping!
Amelia Carter
Frank, I have implemented your tips in my web scraping projects, and they have significantly improved the results. Thank you!
Daniel Anderson
Frank, your article is well-crafted and insightful. Thank you for sharing your knowledge on web scraping!
Alexis Wright
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Ann Powell
Frank, your article is comprehensive and well-explained. Thank you for providing these web scraping tips!
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Frank, your article is a goldmine of web scraping tips. Thank you for sharing your expertise with us!
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Harper Edwards
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Caleb Wilson
Frank, thank you for providing practical tips on web scraping in your article. It's greatly appreciated!
Liam Thompson
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Maria Evans
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Blake Allen
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Asher Parker
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Emmett Martinez
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Colton Roberts
Frank, your expertise shines through in this article. Thank you for providing practical web scraping tips!
Caroline Turner
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Landon Rodriguez
Frank, your tips have improved my web scraping skills significantly. Thank you for sharing your expertise!
Elizabeth Reed
Frank, your article is incredibly informative. Thank you for providing valuable web scraping tips!
Ryan Mitchell
Frank, your tips are practical and actionable. Thank you for sharing your knowledge of web scraping!
Paige Green
Frank, your article is a goldmine of web scraping tips. Thank you for sharing your expertise with us!
Elias Turner
Frank, your tips have already improved my web scraping techniques. Thank you for sharing your valuable insights!
Hailey Wright
Frank, your article is a comprehensive guide to web scraping. Thank you for sharing your knowledge!
Tyler Walker
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Tristan Turner
Frank, your article is insightful and practical. Thank you for sharing your web scraping knowledge!
Hazel Walker
Frank, your tips have already improved my web scraping techniques. Thank you for sharing your valuable expertise!
Ruby Young
Frank, your article is a gem for web scraping enthusiasts. Thank you for providing such valuable insights!
Austin Murphy
Frank, your tips are practical and easy to implement. Thank you for sharing your knowledge with us!
Ivy Thompson
Frank, your article is well-structured and informative. Thank you for sharing your web scraping expertise!
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