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Free Web Crawler

• February 16, 2022
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Free Online Web Crawler Tools | Octoparse

The ever-growing demand for big data drives people to dive into the ocean of data.
Web crawling plays an important role in crawl the web pages that are ready to be indexed. In nowadays, the three most major ways for people to crawl web data are:
Using public APIs provided by the websites
Writing a web crawler program
Using automated web crawler tools
With my expertise in web scraping, I will discuss four free online web crawling (web scraping, data extraction, data scraping) tools for beginners’ reference.
What is a web crawling tool used for?
A web crawling tool is designed to scrape or crawl data from websites.
We can also call it a web harvesting tool or data extraction tool (Actually it has many nicknames such as web crawler, web scraper, data scraping tool, spider) It scans the webpage and search for content at a fast speed and harvests data on a large scale. One good thing that comes with a web crawling tool is that users are not required to process any coding skills. That said, it supposes to be user-friendly and easy to get hands-on.
A web crawler helps people gather information in a multitude for later access.
A powerful web crawler should be able to export collected data into a spreadsheet or database and save them in the cloud. As a result, extracted data can be added to an existing database through an API. You can choose a web crawler tool based on your needs.
What are the free online web crawler tools?
Octoparse
Scraper Wiki
#1 Octoparse
Octoparse is known as a Windows and Mac OS desktop web crawler application. It provides cloud-based service as well, offering at least 6 cloud servers that concurrently run users’ tasks. It also supports cloud data Storage and more advanced options for cloud service. The UI is very user-friendly and there are abundant tutorials on Youtube as well as the official blog available for users to learn how to build a scraping task on their own. And customer stories are available to get an idea of how web scrpaing enhances businesses.
#2
has changed its services and provides an online web scraper service now. There is no longer a direct download for a free version.
The data storage and related techniques are all based on Cloud-based Platforms. To activate its function, the user needs to add a web browser extension to enable this tool. The user interface of is easy to get hands-on. You can click and select the data fields to crawl the needed data. For more detailed instructions, you can visit their official website.
Through APIs, customizes a dataset for pages without data. The cloud service provides data storage and related data processing options in its cloud platform. One can add extracted data to an existing database.
#3 Scraper Wiki
Scraper Wiki’s free plan has a fixed number of datasets. Good news to all users, their free service provides the same elegant service as the paid service. They have also made a commitment to providing journalists premium accounts without cost. Their free online web scraper allows scraping PDF version document. They have another product under Scraper Wiki called Quickcode. It is a more advanced Scraper Wiki since it is more programming environment with Python, Ruby, and Php,
#4
Cloud Scraping Service in is designed for regular web users. It makes commitments to users in providing high-quality Cloud Service Scraping. It provides users with IP Proxy and in-built CAPTCHA resolving features that can help users scrape most of the websites. Users can learn how to use CloudScrape by clicking and pointing easily, even for beginners. Cloud hosting makes possible all the scraped data to be stored in the Cloud. API allows monitoring and remotely managing web robots. It’s CAPTCHA solving option sets CloudScrape apart from services like or Kimono. The service provides a vast variety of data integrations, so that extracted data might automatically be uploaded thru (S)FTP or into your Google Drive, DropBox, Box or AWS. The data integration can be completed seamlessly. Apart from some of those free online web crawler tools, there are other reliable web crawler tools providing online service which may charge for their service though.
If the tool is not your thing, and you’re finding a data service for your project, Octoparse data service is a good choice. We work closely with you to understand your data requirement and make sure we deliver what you desire. Talk to Octoparse data expert now to discuss how web scraping services can help you maximize efforts.
Artículo en español: Gratis Web Scraping Herramientas en LíneaTambién puede leer artículos de web scraping en El Website Oficial
More Resources:
Top 20 Web Crawling Tools for Extracting Web Data
Top 30 Big Data Tools for Data Analysis
Web Scraping Templates Take Away
Video: Create Your First Scraper with Octoparse 8

15 BEST Website Crawler Tools in 2021 [Free & Paid] – Guru99

A web crawler is an internet bot that browses WWW (World Wide Web). It is sometimes called as spiderbot or spider. The main purpose of it is to index web pages.
Web crawlers enable you to boost your SEO ranking visibility as well as conversions. It can find broken links, duplicate content, missing page titles, and recognize major problems involved in SEO. There is a vast range of web crawler tools that are designed to effectively crawl data from any website URLs. These apps help you to improve website structure to make it understandable by search engines and improve rankings.
Following is a handpicked list of Top Web Crawler with their popular features and website links to download web crawler apps. The list contains both open source(free) and commercial(paid) software.
Best Web Crawler Tools & Software
1) Visualping
Visualping is a website monitoring tool that crawls the web for changes. Use Visualping in your SEO strategy to monitor changes on SERPs, competitor landing pages and Google algorithm updates.
Features:
You can automatically monitor parts of a webpage or entire pages in bulk.
Track your competitors and clients keyword edits on title, meta, H1 and other tags.
Receive notifications via email, Slack, Teams or Discord.
Monitor visual, text and code changes.
Provide complete SEO reports and change audits to your clients.
Use other SEO tools to collect data and Visualping to alert you of the changes.
2) Semrush
Semrush is a website crawler tool that analyzed pages & structure of your website in order to identify technical SEO issues. Fixing these issues helps to improve your search performance. Apart from this service, it also offers tools for SEO, market research, SMM and advertising.
It will test for Metadata, HTTP/HTTPS, Directives, Status codes, Duplicate content, Page response time, Internal linking, Image sizes, Structured data, Site structure, etc
Provides easy to use interface
It helps you to analyze log file.
This application has a dashboard that enables you to view website issues with ease.
Enables you to audit your website without any hassle.
3)
is a website SEO checker that helps you to improve SEO ratings. It provides on-page SEO audit report that can be sent to clients.
This web crawler tool can scan internal and external links on your website.
It helps you to test the speed of your site.
You can visualize the structure of a web page with ease.
also allows you to check indexing issues on landings pages.
It enables you to prevent hackers from attack.
4) ContentKing
ContentKing is an app that enables you to perform real-time SEO monitoring and auditing. This application can be used without installing any software.
It helps you to structure your site with segments.
You can monitor your website changes.
It offers various APIs like Google Search Console and Analytics.
It provides a user-friendly dashboard.
It helps you to collaborate with your clients or colleagues.
5) Link-Assistant
Link-Assistant is a website crawler tool that provides website analysis and optimization facilities. It helps you to make your site works seamlessly. This application enables you to find out the most visited pages of your website.
Provides site optimization reports that help you to boost your business productivity.
You can customize this tool according to your desire.
Easy to configure your site settings.
Helps you to make your website search engine friendly.
It can optimize a site in any language.
6) Hexometer
Hexometer is a web crawling tool that can monitor your website performance. It enables you to share tasks and issues with your team members.
It can check the security problems of your website.
Offers intuitive dashboard.
This application can perform white label SEO.
Hexometer can optimize for SERP (Search Engine Results Page).
This software can be integrated with Telegram, Slack, Chrome, Gmail, etc.
It helps you to keep track of your website changes.
7) Screaming Frog
Screaming Frog is a website crawler that enables you to crawl the URLs. It is one of the best web crawler which helps you to analyze and audit technical and onsite SEO. You can use this tool to crawl upto 500 URLs for free.
It instantly finds broken links and server errors.
This free web crawler tool helps you to analyze page titles and metadata.
You can update and collect data from a web page using XPath (XML Path Language).
Screaming Frog helps you to find duplicate content.
You can generate XML Sitemaps (a list of your website’s URLs).
This list website crawler allows you to integrate with Google Analytics, GSC (Google Search Console) & PSI (PageSpeed Insights).
Link:
8) Deepcrawl
DeepCrawl is a cloud-based tool that helps you to read and crawl your website content. It enables you to understand and monitor the technical issues of the website to improve SEO performance.
It supports multi-domain monitoring.
This online web crawler provides customized dashboards.
This website crawler tool helps you to index and discover your web pages.
Deepcrawl enables you to increase the loading speed of your website.
This app provides a ranking, traffic, and summary data to view the performance of the website.
9) WildShark SEO Spider Tool
WildShark SEO Spider Tool is a URL crawling app that helps you to identify pages with duplicate description tags. You can use it to find missing duplicate titles.
Highlight missing H3 tags, title tags, and ALT tags.
It helps you to improve on-page SEO performance.
You can optimize your web page titles and descriptions.
WildShark SEO Spider tool enables you to boost website conversion rates.
This tool also looks for missing alt tags.
10) Scraper
Scraper is a chrome extension that helps you to perform online research and get data into CSV file quickly. This tool enables you to copy data to the clipboard as a tab-separated value.
It can fix the issue with spreadsheet titles ending.
This website crawler tool can capture rows containing TDs (Tabular Data Stream).
Scraper is easy to use tool for the people who are comfortable with XPath query language.
11) Visual SEO Studio
Visual SEO Studio is a web crawling tool that crawls exactly like a search spider. It provides a suite to inspect your website quickly.
It helps you to audit a backlink profile.
This web crawler freeware tool can also crawl the website having AJAX (Asynchronous JavaScript and XML).
Visual SEO Studio can audit XML Sitemaps by web content.
12)
is a tool that helps you to capture data from the search engine and e-commerce website. It provides flexible web data collection features.
Allows you to customize according to your business needs.
This web crawler software can effectively handle all captchas.
This tool can fetch data from complex sites.
is easy to scale without managing IPS (Intrusion Prevention System).
13) 80legs
80legs is a crawling web service that enables you to create and run web crawls through SaaS. It is one of the best Free online Web Crawler tools which consists of numerous server that allows you to access the site from different IP addresses.
It helps you to design and run custom web crawls.
This tool enables you to monitor trends online.
You can build your own templates.
Automatically control the crawling speed according to website traffic.
80legs enables you to download results to the local environment or computer.
You can crawl the website just by entering a URL.
14) Dyno Mapper
DYNO Mapper is a web-based crawling software. It helps you to create an interactive visual site map that displays the hierarchy.
This online Website Crawler tool can track the website from tablets, mobile devices, and desktop.
This web crawler software helps you to understand the weakness of your website or application.
Dyno Mapper enables you to crawl private pages of password-protected websites.
You can track keyword results for local and international keyword rankings.
It enables developers to develop search engine friendly websites.
15) Oncrawl
Oncrawl is a simple app that analyzes your website and finds all the factors that block the indexation of your web pages. It helps you to find SEO issues in less amount of time.
You can import HTML, content, and architecture to crawl pages of your website.
This online web crawler can detect duplicate content on any website.
Oncrawl can crawl the website with JavaScript code.
This tool can handle, a file that tells search engines which pages on your site to crawl.
You can choose two crawls to compare and measures the effect of new policies on your website.
It can monitor website performance.
16) Cocoscan
Cocoscan is a software product that analyzes your website and finds the factor that blocks the indexation of your web pages. This crawler tool can find the primary SEO related issues in less time.
It can identify important keyword density.
Cocoscan can check for duplicate written content in any website.
This web crawler app can analyze your website and make your website searchable by a search engine.
This lists crawler app provides you a list of pages with issues that could affect your website.
You can increase Google ranking effortlessly.
This web crawler online offers real time visual image of a responsive website.
17) HTTrack
HTTrack is an open-source web crawler that allows users to download websites from the internet to a local system. It is one of the best web spidering tools that helps you to build a structure of your website.
This site crawler tool uses web crawlers to download website.
This program provides two versions command line and GUI.
HTTrack follows the links which are generated with JavaScript.
18) webharvy
Webharvy is a website crawling tool that helps you to extract HTML, images, text, and URLs from the site. It automatically finds patterns of data occurring in a web page.
This free website crawler can handle form submission, login, etc.
You can extract data from more than one page, keywords, and categories.
Webharvy has built-in VPN (Virtual Private Network) support.
It can detect the pattern of data in web pages.
You can save extracted data in numerous formats.
Crawling multiple pages is possible.
It helps you to run JavaScript code in the browser.
Link: FAQs
❓ What is a Web Crawler?
A Web Crawler is an Internet bot that browses through WWW (World Wide Web), downloads and indexes content. It is widely used to learn each webpage on the web to retrieve information. It is sometimes called a spider bot or spider. The main purpose of it is to index web pages.
❗ What is a Web Crawler used for?
A Web crawler is used to boost SEO ranking, visibility as well as conversions. It is also used to find broken links, duplicate content, missing page titles, and recognize major problems involved in SEO. Web crawler tools are designed to effectively crawl data from any website URLs. These apps help you to improve website structure to make it understandable by search engines and improve rankings.
Which are the best Website Crawler tools?
Following are some of the best website crawler tools:
Visualping
Semrush
ContentKing
Link-Assistant
Hexometer
Screaming Frog
How to choose the best Website Crawler?
You should consider the following factors while choosing the best website crawler:
Easy to use User Interface
Features offered
A web crawler must detect file and sitemap easily
It should find broken pages and links with ease
It must identify redirect issues, and HTTP/ HTTPS issues
A web crawler should be able to connect with Google Analytics with ease
It must detect mobile elements
It should support multiple file formats
A web crawler must support multiple devices

Alpha Crawler | Fast and Free Website Crawler Online

Alpha Crawler | Fast and Free Website Crawler Online
Our Services
Alpha Crawler is created to help improving website onsite SEO by providing comprehensive technical SEO site audits.
Crawl the whole website to scan an unlimited number of web pages. Find broken links, redirect chains, duplicate meta tags, and server errors. Fix technical SEO mistakes to save your crawling budget, make search engine bots easy to find and index your website.
Easily scan and detect SEO errors with meta tags, content optimization, indexation, and page speed on certain web pages. Get an advanced SEO report to share it with your clients or subordinates.
Enable website monitoring to prevent your website from unwanted actions. Check out any changes are made on your website and receive uptime alerts on email or messenger.
What can you do with the Alpha Site Crawler Tool?
Our powerful and fast crawler can scrape both small and very large websites efficiently and provide you with real-time results. The average crawling time lasts for 2-3 minutes.
Don’t know how to crawl data from the website? Alpha Crawler provides up to to 100 conditions and four types of search (contains, Regexp, XPath, CSS). So you can easily extract web pages markup, hreflang tags, meta tags, as well as external and internal links.
SEO crawler supplies fast and advanced SEO site audit reports: 404 pages, missing alt tags, duplicate, long, short, or multiple headings. You are just a few clicks away from traffic and sales growths.
70% of SEO experts check their website technical health regularly: crawling and indexing ability. You can use our site crawler for detecting redirect chains, incorrect status codes, and relevant meta tags each time you make any changes on your website. Our key parameters are based on Google Recommendations.
JavaScript websites are considered one of the most complicated ones for SEO. With JavaScript and dynamic content based websites, a crawler has to read and analyze the Document Object Model (DOM). Easily scrape the JS website to improve its technical SEO performance.
Analyze how your website is done according to its linking. Make the site’s hierarchy easy enough for search engine crawlers to access and index it. Check URL structure is organized well according to the website hierarchy.
Crawl website to find internal and external linking issues: 4xx status codes, invalid anchor texts, redirected URLs, etc.
How to use it:
We have made Alpha crawler easy to use for both PRO SEO specialists and those who only start their journey to SEO world. It can be a little bit tricky to figure out all the features of a tool, so don’t hesitate to ask us for help! Use the following guide to start:
Web Page Crawler: What Is It and How It Work
There are several different terms relating to the subject of web page crawling.
The most commonly used term is ” web crawler. ”
The term crawl is used in a semi-general way to describe any tool or program that assists in finding and indexing websites on the Internet.
The term spider is used especially specifically as a keyword describing a spider used by a search engine to find and index information on the Internet.
Other common terms describing the process include “bot” and “spider. ”
Some of the typical uses of page crawlers are to find broken links, find new web pages, find duplicate content,
diagnose algorithms, and retrieve the listing of the most recent changes in a URL.
In addition, web crawlers online may be called upon to find a document that doesn’t have a meaningful title, to determine the nature of a link,
or to check for duplicate content.
Sometimes, the software is programmed to perform other tasks as well.
page crawlers are extremely useful for getting a quick overview of a website’s structure and content.
What You Need to Know About Website Link Crawlers
Website link crawlers can be used by websites to check for duplicate content.
They work in the same way as the robots of the Google search engine.
The crawling robot will go through every page of your website and look for duplicated content.
If it finds any, it classifies it as duplicate content and removes it from the index.
It is a very useful tool for internet marketers to optimize their websites.
The website link crawler that you use must be able to understand the language used by your web pages.
You need to explain to it the meaning of words in order for it to make sense of the language and class the links on your website accordingly.
Some robots are very simple and only require you to enter a few figures, but others are more complex and work with alphabets, numbers and symbols.
A reliable driver link analyzer must be able to handle different protocols.
For example, it should be able to crawl protocols that are used for different languages and applications.
A question that frequently comes up for website owners is “How many pages is a website
really needed?
Website SEO audit is a comprehensive examination of your current website SEO health,
checking for areas of improvement.
Website Down Checker is a website optimization tool that checks your website for any errors
External links can be one of the most beneficial forms of backlinks out there
A url checker is a tool used by search engines to determine which of your pages have been
properly indexed.
>The Ajax-Crawling method is a way by which Google and several other search engines
spider websites that offer dynamically generated content through scripts called ‘ajax’.
Would you like to compare you website with another?

Frequently Asked Questions about free web crawler