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Scrapy VS NW.js

Compare Scrapy VS NW.js and see what are their differences

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Scrapy logo Scrapy

Scrapy | A Fast and Powerful Scraping and Web Crawling Framework

NW.js logo NW.js

nwjs
  • Scrapy Landing page
    Landing page //
    2021-10-11
  • NW.js Landing page
    Landing page //
    2023-08-02

Scrapy features and specs

  • Efficiency
    Scrapy is designed to be efficient and robust, capable of handling multiple tasks simultaneously and scraping large websites in a fast and reliable manner.
  • Built-in Tooling
    Scrapy comes with built-in tools for handling common tasks such as following links, extracting data using XPath and CSS, and exporting data in a variety of formats.
  • Customization
    Scrapy offers extensive customization options, allowing users to build complex spiders and modify their behavior through middleware and pipelines.
  • Python Integration
    Being a Python framework, Scrapy integrates seamlessly with the Python ecosystem, enabling the use of libraries like Pandas, NumPy, and others to process and analyze scraped data.
  • Community Support
    Scrapy has a large and active community, providing extensive documentation, tutorials, and third-party extensions to enhance functionality.
  • Asynchronous Processing
    Scrapy’s asynchronous processing model enhances performance by allowing multiple concurrent requests, reducing the time required for crawling sites.

Possible disadvantages of Scrapy

  • Steep Learning Curve
    For beginners, Scrapy's comprehensive feature set and the need for understanding concepts like XPath and CSS selectors can be challenging.
  • Resource Intensive
    Scrapy can be resource-intensive, potentially consuming significant memory and CPU, which can be problematic for scraping very large websites or running multiple spiders simultaneously.
  • Debugging Complexity
    Debugging Scrapy projects can be complex due to its asynchronous nature and the multiple layers of middleware and pipelines that need to be understood.
  • Overhead for Small Projects
    For simple or small-scale scraping tasks, the overhead of setting up and configuring a Scrapy project might be excessive, with simpler alternatives being more suitable.
  • Limited JavaScript Support
    Scrapy's out-of-the-box support for JavaScript-heavy websites is limited, requiring additional tools like Splash or Selenium, which can complicate the setup.
  • Dependency Management
    Managing Scrapy's dependencies and compatibility with other Python packages can sometimes be challenging, leading to potential conflicts and maintenance overhead.

NW.js features and specs

  • Cross-Platform
    NW.js supports building applications that run on Windows, macOS, and Linux, enabling developers to write code once and deploy across multiple platforms.
  • Node.js Integration
    Provides deep integration with Node.js, allowing developers to leverage the vast Node.js ecosystem and modules within their applications.
  • Chromium Embedded
    Utilizes the Chromium engine to render the user interface, ensuring modern web standards compliance and high performance.
  • Full Access to Native APIs
    Offers access to all native system calls through Node.js, enabling developers to create rich desktop applications with full OS-level capabilities.
  • Single Process Model
    Allows developers to start with a simple single process model which is easy to debug and manage.

Possible disadvantages of NW.js

  • Large Application Size
    The bundling of Chromium with the application often results in larger file sizes compared to native applications.
  • Memory Consumption
    Applications may use more memory as they run instances of both Node.js and Chromium, potentially taxing system resources.
  • Performance Overhead
    There might be additional performance overhead compared to native applications due to the abstraction layers of Node.js and Chromium.
  • Limited Native UI Components
    Relies on web technologies for UI, which might not have the same look and feel as platform-native components.
  • Frequent Updates
    Keeping up with frequent updates from Chromium and Node.js can be challenging, requiring continuous maintenance to ensure compatibility and security.

Analysis of Scrapy

Overall verdict

  • Yes, Scrapy is a good option for those looking to implement web scraping projects due to its robust set of features, active community, and comprehensive documentation. It is particularly well-suited for projects that require scraping from multiple websites and processing large volumes of data efficiently.

Why this product is good

  • Scrapy is a popular open-source web crawling framework for Python that's designed for extensive, flexible, and efficient web scraping. Its built-in tools and features make it easy to extract data from websites quickly and automatically. Key advantages include its ability to handle requests asynchronously, its support for multiple protocols, its item pipeline feature that allows for data cleaning and storage, and its ease of integration with other Python libraries and databases.

Recommended for

    Scrapy is recommended for developers, data scientists, and businesses that need to gather data from websites efficiently. It's particularly useful for projects involving data aggregation, market research, competitive analysis, and monitoring pricing changes across various platforms.

Scrapy videos

+ Add

Python Scrapy Tutorial - 22 - Web Scraping Amazon

More videos:

  • Demo - Scrapy - Overview and Demo (web crawling and scraping)
  • Review - GFuel LemoNADE Taste Test & Review! | Scrapy

NW.js videos

+ Add

NW.js vs Electron. Что выбрать для работы NW или Electron? JavaScript Desktop

Category Popularity

0-100% (relative to Scrapy and NW.js)

Scrapy

NW.js

Web Scraping
100 100%
Web Scraping
0% 0
Development Tools
0 0%
Development Tools
100% 100
Data Extraction
100 100%
Data Extraction
0% 0
Rapid Application Development
0 0%
Rapid Application Development
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Scrapy and NW.js

Scrapy Reviews

Top 15 Best TinyTask Alternatives in 2022
The software is simply deployable via the cloud, or you can host the spiders on your server using Scrapy. Only the rules need to be written; Scrapy will take care of the rest to separate the facts. With Scrapy’s portability and ability to run on Windows, Linux, Mac, and BSD platforms, new features can be added without affecting the program’s core.
Source: www.dashtech.org

NW.js Reviews

Electron Alternatives﹣5 Best JavaScript Frameworks for Desktop Apps
Although it’s the oldest Node.js-Chromium framework in the AppJS, Electron and NW.js trio, it’s not nearly as mature as its competition. Because it has lost its momentum, it may not be the best choice for new projects.
Source: brainhub.eu
Frameworks & Tools to Develop Cross-Platform Desktop Apps – Best of
Cons: Some hard work features that are available in Electron, such as auto-updater and crash-reporting, don’t comes built-in with NW.js. That said, building with NW.js requires more efforts and extra modules – unlike other solutions.
Source: www.hongkiat.com

Social recommendations and mentions

Based on our record, Scrapy should be more popular than NW.js. It has been mentiond 97 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Scrapy mentions (97)

  • Current problems and mistakes of web scraping in Python and tricks to solve them!
    One might ask, what about Scrapy? I'll be honest: I don't really keep up with their updates. But I haven't heard about Zyte doing anything to bypass TLS fingerprinting. So out of the box Scrapy will also be blocked, but nothing is stopping you from using curl_cffi in your Scrapy Spider. - Source: dev.to / 9 months ago
  • Automate Spider Creation in Scrapy with Jinja2 and JSON
    Install scrapy (Offical website) either using pip or conda (Follow for detailed instructions):. - Source: dev.to / 10 months ago
  • Analyzing Svenskalag Data using DBT and DuckDB
    Using Scrapy I fetched the data needed (activities and attendance). Scrapy handled authentication using a form request in a very simple way:. - Source: dev.to / 12 months ago
  • Scrapy Vs. Crawlee
    Scrapy is an open-source Python-based web scraping framework that extracts data from websites. With Scrapy, you create spiders, which are autonomous scripts to download and process web content. The limitation of Scrapy is that it does not work very well with JavaScript rendered websites, as it was designed for static HTML pages. We will do a comparison later in the article about this. - Source: dev.to / about 1 year ago
  • What is SERP? Meaning, Use Cases and Approaches
    While there is no specific library for SERP, there are some web scraping libraries that can do the Google Search Page Ranking. One of them which is quite famous is Scrapy - It is a fast high-level web crawling and web scraping framework, used to crawl websites and extract structured data from their pages. It offers rich developer community support and has been used by more than 50+ projects. - Source: dev.to / over 1 year ago
View more

NW.js mentions (33)

  • Linux 6.9 Set to Drop the Old NTFS File-System Driver
    > FUSE drivers are slow, but "wildly slow" is an overstatement. I can confirm this, I've played RPGMaker M{V,Z} games natively by swapping out the copy of NWJS¹ it shipped with and running it through a CIOPFS² mount. 1: https://nwjs.io/ 2: https://www.brain-dump.org/projects/ciopfs/ / https://github.com/martanne/ciopfs. - Source: Hacker News / about 1 year ago
  • How to play this on a Chromebook through Linux Itch.io
    Go to this page to download NW.js https://nwjs.io/. Source: about 2 years ago
  • What would be the current recommended way to publishing an html5 game on steam?
    In addition to the other options here you could look at nw.js. Source: about 2 years ago
  • Console Commands, Kill Count And Saving System
    I don't think you can access it by default, but crosscode runs on [nw.js](https://nwjs.io). I know there is a way to get the chromium devtools to open, but I haven't been able to. Source: about 2 years ago
  • DuckieTV not launching
    Or browse the NWJS home page at https://nwjs.io/. Source: about 2 years ago
View more

What are some alternatives?

When comparing Scrapy and NW.js, you can also consider the following products

Apify - Apify is a web scraping and automation platform that can turn any website into an API.

Electron - Build cross platform desktop apps with web technologies

ParseHub - ParseHub is a free web scraping tool. With our advanced web scraper, extracting data is as easy as clicking the data you need.

NeutralinoJS - Neutralino is a lightweight application development framework.

Octoparse - Octoparse provides easy web scraping for anyone. Our advanced web crawler, allows users to turn web pages into structured spreadsheets within clicks.

Ultralight - Fast, light HTML UI solution for C++ apps

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