JavaScript

JavaScript is the most used programming language in the world. Learn to use Apify's scalable web crawling, scraping, and automation library for JavaScript.

11 posts

Migrating from Scrapy to Apify SDK

Percival Villalva

What if a single decision could cut your scraping costs by 90% while improving efficiency up to 60%? That's precisely what the retail data company, Daltix, experienced by migrating their scrapers from Scrapy to Apify.

7 min read Apr 4, 2022

Engineering

Web scraping with client-side Vanilla JavaScript

Matt Stephens

The free Vanilla JS Scraper tool makes web scraping more accessible by easing the learning curve. Get right into writing your first web crawler without the need for any new knowledge beyond Vanilla JavaScript.

6 min read Mar 28, 2022

Actors

Single JavaScript file actors are being deprecated

Josef Válek

We will automatically convert single-file actors to multi-file and keep them working. If you are using Apify API to update the code of your single-file actors or create new ones, then you will have to update your API integration following the instructions below.

3 min read Feb 16, 2022

JavaScript

Web scraping with JavaScript vs. Python in 2022

Percival Villalva

Python and JavaScript are two of the most popular programming languages. Find out which one you should use for web scraping in 2022.

15 min read Jan 21, 2022

Data

Dataset processing on Apify

Lukáš Křivka

Processing data can be a challenge. Apify provides a wide range of tools for you to shape the data as you see fit.

9 min read Jan 4, 2022

Company

Updates to key-value store API

Jakub Drobník

We removed 9MB file size limit for uploads, updated how files are compressed, and deprecated Direct Upload endpoint.

2 min read Mar 9, 2021

JavaScript

Why the world needs a universal web scraping library for JavaScript

Jan Čurn

We’ve released the Apify SDK — an open-source Node.js library for scraping and web crawling. There was one for Python, but none for JS. We’ve released the Apify SDK — an open-source Node.js library for scraping and web crawling. There was one for Python, but until now, there was no such library for

1 min read Oct 5, 2018

JavaScript

Live view of running actors on public hostname

Marek Trunkát

Since the launch of Apify actors last autumn, Apify is no longer just a tool to extract data from websites. It has become a full-featured…

2 min read Aug 7, 2018

Web Scraping

Web scraping in 2018 — forget HTML, use XHRs, metadata or JavaScript variables

Jakub Balada

Learn modern ways to extract data from web pages using XHRs, Schema.org Microdata, JSON Linked Data, JavaScript variables and more. Web scraping in 2018 is not only about processing HTML. Learn modern ways to extract data from web pages using XHRs, Schema.org Microdata, JSON Linked Data, JavaScript

7 min read Feb 8, 2018

Excel

Exporting crawler results to Excel spreadsheet

Jan Čurn

Apify now supports streamed download of results in the XLSX format. The package performing this export has been open-sourced on NPM. Apify now supports streamed download of results in the XLSX format. The package enabling this export with a very low memory overhead has been published as open-source

2 min read Jan 15, 2018

JavaScript

Apifier is here

Jan Čurn

This is our very first blog post because we are launching today!

2 min read Oct 20, 2015