How to Compare Multiple Websites Quickly

3 Ways to Compare Quickly:-

1. Technology-

You have to understand which type of technology your competitor is using which includes the following factors-

• Web servers.
• Email Servers.
• Hosting Providers.
• Name server Provider.
• SSL Certificate.
• Content Management system.
• Advertising.
• Analytics and tracking.
• Java-script Libraries
• Mobile
• Widgets
• Content Delivery Network.
• Aggregation Functionality.
• Document Information.
• Encoding.
• CSS queries. 

www.builtwith.com will help you to analyze all the technologies which are used by your competitors.

2. Website Content-

• Do Keyword research.
• In my previous articles, I had mentioned the detailed information about how you can choose your keywords wisely.
• The most popular tools for keywords research are Google Keyword Planner and Ahrefs.
• You must check your competitor's "Page Title", "Meta-description tag", "Keywords", "Text and word count", "Top 2 or 3-word keyword phrases". 
• If you want to check the above mention metrics of your competitor then just type "Web Page Similarity Comparison Tool" on Google.
• You will get a plethora of free tools where you have to put your competitor website domain and your company website domain.
• After submitting the domains you are able to see the comparisons on the above mention metrics between you and your competitors.

3. Back-links-

• My suggestion is to use Ahrefs Link Intersect Tool which is highly effective in mining competitor link WebServer. 
• This tool offers two different filtering options.
• These tools show who is linking to all the targets.
• This tool is a very effective keyword research and data mining of your competitor's website.
• Ahrefs is a paid tool but is a very effective tool that will help you in SEO practices.