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Digital Marketing, Off page SEO, On Page Seo, SEO, Website Design Tips

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

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.

1) 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.

Features:

  • 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.

2) Sitechecker.pro

Sitechecker.pro 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.

Features:

  • 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.
  • Sitechecker.pro also allows you to check indexing issues on landings pages.
  • It enables you to prevent hackers from attack.

3) 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.

Features:

  • 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.

4) 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.

Features:

  • 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.

5) 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.

Features:

  • 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.

6) 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.

Features:

  • 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).

7) 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.

Features:

  • 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.

8) 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.

Features:

  • 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.

9) 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.

Features:

  • 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.

10) 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.

Features:

  • 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.

11) Oxylabs.io

Oxylabs.io is a tool that helps you to capture data from the search engine and e-commerce website. It provides flexible web data collection features.

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.
  • Oxylabs.io is easy to scale without managing IPS (Intrusion Prevention System).

12) 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.

Features:

  • 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.

13) Dyno Mapper

DYNO Mapper is a web-based crawling software. It helps you to create an interactive visual site map that displays the hierarchy.

Features:

  • 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.

14) 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.

Features:

  • 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 robot.txt, 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.

15) 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.

Features:

  • 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.

16) 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.

Features:

  • 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.

17) 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.

Features:

  • 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.

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:

  • Screaming Frog
  • Apify
  • Deepcrawl
  • Scraper
  • Sitechecker.pro
  • Oxylabs.io
  • Dyno Mapper

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 robot.txt 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

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