List of Best Web Crawlers

In the following blog, you will explore the list of the best Web Crawlers. Keep reading to know more about web crawlers and their ability to boost your SEO ranking visibility. Web crawlers are often referred to as spider bots or just spiders. Due to their wide application, web crawlers are no longer an unknown term. Among their major purposes, indexing web pages and reaping the competitor’s data are included. Before we further talk about web crawlers, their types, and the best ones out there, you need to understand the difference between web crawlers and web scraping. Often these two terms are taken as the same.

What Is Web Crawler or Web Scraping?

Web scraping is simply getting data extracted from all over the internet. It presents the data in structured forms like Excel and CSV etc. Later, it can be used for textual analysis for research or for other purposes. On the other hand, a web crawler is used to scan web pages for indexing and also provides useful information to users to boost your SEO ranking and website’s visibility. So web scraping tools are to be used when you want to collect data quickly and automatically for data analysis ( You may also read about data breaches)While crawlers can be used for web pages indexing and SEO. Hope now you have understood the difference. Here’s how web crawlers are nothing less than magical bots.

Benefits of Web Crawling

• Enables the search engines to crawl your web pages to show in the search engine like Google Crawler Bot and Bingbot. Also, read how to run a Google Chrome virus scan.
• It helps the users to identify their website technical issues like identifying broken links, missing headings, backlinks, and more. An example of this crawler is the Semrush bot.
• To spy on the competitor backlinks so you can design your better-competing SEO strategy. Engaging a search engine marketing agency can provide the expertise and tools needed to significantly improve your competitive SEO strategies, especially for businesses offering specialized services like MSP SEO.

So above are just some benefits; it’s up to you how you want to take benefit of crawling bots. You can also perform an SEO content audit to analyze and enhance the effectiveness of your website’s content. To streamline the process of optimization, you can partner up with professional SEO services too.

Types of Web Crawlers

There are three main types of web crawlers:

1. In house web crawlers
2. Commercial web crawlers
3. Open source web crawlers

1. In house web crawlers

These are like private crawlers where companies develop their own crawler to solve in-house problems.

• AppleBot
• GoogleBot
• Baiduspider

2. Commercial web crawlers

Commercial web crawlers are developed by companies to offer their services by selling them.

• Semrush
• ContentKing
• SEO Ranking Visibility

3. Open-source web crawlers

These are open-source code web crawlers available on the internet. So, users can modify them according to their needs.

• Apache Nutch
• Apify SDK
• JSpider

Discover why choosing a good proxy for scraping is critical for optimizing SEO and web crawling efficiency.

List of the Best Web Crawlers

1. Semrush

Semrush is an industry-leading software with a powerful crawler bot. After putting a site URL, the crawler will present the results in almost no time. The beauty of Semrush is that the user won’t need to struggle to find technical issues. Their intelligent web crawler can perform a complete site audit enabling the user to improve site performance.

• Industry-leading web crawler
• Provide information regarding backlinks, internal links, HTTP/HTTPS, page loading time, and more
• Identify your competitors
• Analyze website from a single dashboard
• Availability of both free and paid plan

Tip: Using public WiFi can put your privacy at serious risk. That is why using a VPN like iProVPN will be a wise decision during data collection and SEO work. A VPN encrypts your data and routes your internet traffic via the VPN server. You may check out in detail what is a VPN.

2. Ahrefs

Ahrefs helps the users to rock their website SEO. Their database-rich crawler powers around 12 trillion links. With such a huge database, it won’t miss any important information. When you start the crawl, after adding the project, it will analyze your site for 100 predefined issues. Whether it’s the site performance, incoming links, outgoing links, CSS, or content quality, the tool will help you out with everything.

• Enormous database
• Simple and easy to use
• One of the best tools for competitor backlink analysis
• Their crawler can help you to identify content opportunities

3. Mangools

In discovering the content on the internet, Mangools can also be your best companion. From identifying new opportunities to crawling your competition data, it can do everything. It can also identify your competitor’s top-performing content.

• A complete pack of 5 tools
• Effectively crawl the keywords from the internet
• Makes easy which keyword to target
• Their web crawler can scan internal as well as external links
• Users can get take a drive through their 10-days free trial account

4. Screaming Frog

Screaming Frog spider can be defined as one of the most detailed and advanced auditing tools. Where manual checking can take hours or even days, Screaming Frog crawler is efficient to perform in-depth analysis on both small to large websites in a matter of minutes. One of the most exciting parts is that you can set schedule crawls and auto exports data on services like Google Sheets.

• A powerful spider to crawl a website
• Users can take a look at the tool excellence via a free plan
• Can identify broken links, redirects, and duplicate content
• Google Search Console integration and free technical support

5. SE Ranking

SE Ranking offers a variety of SEO tools for agencies and in-house teams, including its top-notch Website Crawler that can crawl up to 1,000 pages in just 2 minutes or even less. This tool provides comprehensive data on website technical health, groups issues by type and severity, and highlights all the essential SEO metrics. You can customize crawling according to needs and generate powerful reports to share with your team and clients.

• Quick and fully customizable site crawling
• In-depth analysis of pages, links, images, CSS/JavaScript files
• 18 error categories with fix tips for each issue 
• Crawl comparison features to track progress
• Intuitive dashboard with advanced filtering
• Generous crawling limits with up to 150,000 pages per project

6. Netpeak Spider

A recommended and useful crawler for exploring site issues. The tool efficiency comes into play where it can analyze site optimization against 100+ parameters. A poorly optimized SEO makes greater chances for the google crawler to avoid your web pages, which underscores the importance of partnering with a professional SEO service Agency to enhance your site’s performance and visibility. Netpeak Spider can also check for 80+ key SEO points and suggest what’s best for your site.

• A reliable tool for SEO audit and SERP scraping
• Free access requiring no credit card
• Scan both internal and external links
• Help to improve internal website ranking

7. Content King

Content King is getting more and more popular because of its real-time monitoring system. It gives you updates on SEO issues as they occur. Furthermore, its great tracking system provides you with the best results regarding website changes. Content King offers a crucial advantage by emailing website owners whenever any modifications are made—making it an excellent fit for agencies.

• Straightforward user interface
• Detects issues before they become a problem
• A complete cloud-based tool requires no installation
• Users can get initial experience with a free trial account

8. Sitechecker.pro

Sitechecker pro is famous for its user-friendly interface and remarkably accurate results. At an affordable price, plus its improved SEO tool combined with effective UI makes it an excellent choice for Digital marketers, Website owners, SEO specialists, and many others. Moreover, it offers a dashboard containing all the necessary stats in it, which makes it clean and less sluggish.

• Provides you all the Guidance
• Comes with a browser extension
• Keep you updated in any critical situation
• Offers monitoring of Website health, backlinks, and track of keywords
• 24/7 customer care.

9. SEO PowerSuite

SEO PowerSuite Rank Tracker tool or similar tools like Umbrellum helps you search for keywords in many ways at once, filter them, map to your landing pages, and conduct an ongoing analysis to make sure you keep targeting the right ones.

• 9 keyword research modules presenting different approaches to the search
• A dedicated tab for a competitor research
• SERP Analysis for various search engines
• A detailed customizable rank tracking window

10. Crawlbase

Crawlbase is a great web scraping and crawling tool which makes data collection easier, faster and more efficient. So, it helps businesses extract information from websites without the fear of being blocked by bots, solving captchas, or managing proxies. Whether you’re making bids, comparing prices, or observing trends, Crawlbase has you covered with the means you need to seamlessly expand your web scraping efforts.

Key Features of Crawlbase:

Smart Proxies: Automating proxy rotation so that restrictions or bans won’t prevent you from scraping.

Captcha Handling: Save time and effort by bypassing captchas automatically.

Developer-Friendly API: Easy integration with your existing tools and workflows.

Data Storage: Keep your scraped data secure in the cloud for accessing it easily.

Scalability: It’s perfect for those small projects as well as long-scale businesses with lots of data they need.

Who Can Benefit?
Crawlbase is fantastic for anyone with an eCommerce-related project that requires reliable, scalable web scraping, including startups, enterprises and anyone who needs to accomplish something similar!

Conclusion

This was our featured list of the best web crawlers. The above-listed crawlers can meet the needs of most users. However, some offer more functionality than others. So, it is up to you what crawler suits you best as per your needs.