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7 Strumenti efficienti per l'estrazione dei dati da Semalt

Ci sono tanti motivi per raschiare il testo da pagine web, ma alcuni di quelli più comuni sono la raccolta dei dati dei clienti, l'analisi dei prezzi, le revisioni dei siti web, l'analisi della concorrenza e la raccolta di indirizzi e-mail. Sfortunatamente, non è possibile eseguirlo manualmente quando è necessario estrarre dati da centinaia di pagine Web quotidianamente. Questo è il motivo per cui sono stati sviluppati diversi strumenti di scraping dei dati web. Ecco 7 di questi:

 1. Iconico HTML Text Extractor 

Mentre le organizzazioni rasentano regolarmente il testo dai siti Web della concorrenza, fanno anche sforzi consapevoli per impedire agli altri di raschiare i propri siti. Alcuni dei passaggi che intraprendono per impedire la raschiatura dei loro siti stanno disabilitando la funzione del tasto destro sul loro sito, quindi non puoi copiare e incollare. Alcune altre organizzazioni disabilitano anche la funzione di visualizzazione della fonte mentre alcune bloccano completamente le loro pagine.

È qui che entra in gioco l'estrattore Iconico. Nessuno degli ostacoli tecnici menzionati sopra può impedire allo strumento di copiare testo HTML da qualsiasi sito web. Non è solo efficiente, ma anche facile da usare. Hai solo bisogno di evidenziare e copiare il testo richiesto.

 2. UiPath 

Questo strumento ha diverse funzioni di automazione e uno di questi è per il web scraping. UiPath ha anche una funzione di raschiatura dello schermo. Con queste funzionalità, puoi raschiare dati di tabelle, immagini, testo e altri tipi di elementi di dati da qualsiasi pagina web.

 3. Mozenda 

Questo strumento può raschiare immagini, file di testo, e può anche raschiare dati da file PDF. Inoltre, può esportare dati raschiati in file JSON, CSV o XML.

 4. HTML to Text 

Come implica il nome, estrae il testo dai codici sorgente HTML delle pagine Web. Devi solo fornire l'URL della pagina che desideri analizzare.

 5. Octoparse 

Ciò che distingue questo strumento è la sua interfaccia utente punta e clicca, che rende l'interfaccia facile agli utenti senza alcuna conoscenza di programmazione.Un'altra caratteristica di Octoparse è la sua capacità di raschiare dati da pagine Web dinamiche. puoi provare la versione gratuita per averne un'idea.

 6. Scrapy 

Questo è uno strumento gratuito e open source. L'unico problema con questo strumento è che richiede alcune conoscenze di programmazione Comunque, la sua efficienza è un grande compromesso. Se si può prendere tempo per imparare qualche programmazione, ti piacerà lo strumento che viene utilizzato dalle principali marche. Dato che è uno strumento open source, ha comunità di utenti che ti aiuteranno quando incontrerai qualsiasi sfida.

 7. Kimono 

Questo è anche uno strumento gratuito che può essere utilizzato per ritagliare contenuti non strutturati da pagine Web ed esportarli in un formato strutturato. Può essere programmato per raccogliere periodicamente i dati da alcune pagine Web specificate. Kimono crea un'API per il tuo flusso di lavoro, quindi non dovrai reinventare la ruota ogni volta che desideri utilizzarla.

In conclusione, indipendentemente dal tipo di dati che è necessario analizzare, uno di questi strumenti può essere di aiuto. Provali e seleziona quello che funziona meglio per te.

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Andrew Dyhan
Thank you, Lisa! I'm glad to hear that you find our tools helpful. If you have any questions or need further assistance, feel free to ask.
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Andrew Dyhan
Thank you, Sophia! We strive to offer powerful and efficient tools for all your data extraction needs. Let us know if you have any questions.
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Thank you, Sophie! We appreciate your positive feedback and would be happy to assist you if you decide to give our tools a try.
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