1. Ahrefs

 Any website across 3 major areas:

 Organic traffic performance

See what keywords your competitors are ranking for and which pages bring the most search engine traffic.
     
Backlink profile

See which websites link to your competitors' sites and gauge the quality of their backlinks.
     
Website structure

See how many pages a website has, how they are organized, and what their internal links look like. 

Paid traffic performance
Learn whether your competitors are doing paid search advertising and where they funnel their paid traffic.

Research organic traffic & keywords

See what keywords your competitors rank for in search and how much traffic each keyword brings them.
then brings of lot's of traffic on your website from the worls wide.

See what keywords your competitors are bidding on 

See how long competitors have been bidding on a specific keyword through the Ads position history chart. 

 Browse your competitor’s outgoing links

The “Outgoing Links” section gives you an idea of any website’s linking patterns, like the type of websites it usually links to, the most-used anchors tags, and the predominant link types (redirects, images, affiliate links, etc.).

Research competitor backlinks

i. Domain rating (DR)
ii. Page traffic
iii. URL rating (UR)
iv. Domain traffic
v. External links
vi. Linked domains
   

i. Instantly spot changes in all important SEO metrics

    1. Organic traffic & Keywords
    2. Health Score
    3. Domain Rating
    4. Referring domains & Backlinks

ii. Organize your keywords with keyword lists

Choose to share specific keyword lists manage keyword lists so that they're even easier to find and share. 

iii. Monitor the performance of multiple URLs with Portfolios

Consolidate a list of target URLs into a portfolio and get a comprehensive view of their aggregated metrics referring domains ,organic traffic, organic keywords, backlinks,  etc. from Site Explorer.

    Use them to compare the performance of your:

    Published content on a client’s website (vs. the rest of their website)
    Competitors’ websites
    Blog articles from your content team, grouped by author

iv. Organize your projects with folders

Choose to share specific folders sort projects into folders so that they're even easier to find and share.  

V. See your Google Search Console data directly in Ahrefs

 Connect your Google Search Console to switch your dashboard mode between Ahrefs data & GSC data.

  GSC only shows up to 16 months of data by default, but Ahrefs will store and show data for longer than that – as long as your GSC account is connected.

  We also show you the percentage of clicks from anonymized queries filtered out by Google to protect the privacy of its users.

https://ahrefs.com/dashboard

2. Screaming Frog

Screaming Frog is considered one of the best SEO tools by experts. the most of user love how much time they save by having this tool analyze your website super 

 What can you do with the SEO Spider Tool?

The SEO Spider is a powerful and flexible site crawler, able to crawl very web page efficiently, while allowing you to analyse the results in real-time. It gathers key onsite data to allow SEOs to make informed decisions.

https://www.screamingfrog.co.uk/seo-spider/

3.  Google Search Console

Google Search Console is a web service by Google which allows webmasters to check indexing status, search queries, crawling errors and optimize visibility of their websites.

  Features

 1. Submit and check a sitemap.
 2. View site speed reports from the Chrome User Experience Report.

3. Check the crawl rate, and view statistics about when Googlebot accesses a particular site.

4. Check the security issues if there are any with the website. (Hacked Site or Malware Attacks)

5. Receive alerts when Google encounters indexing, spam, or other issues on your site.
    Show you which sites link to your website.
   

6. Page Experience Report including - Core Web Vitals, and HTTPS.
    
7. Write and check a robots.txt file to help discover pages that are blocked in robots.txt accidentally.
   

8. List internal and external pages that link to the website.
    
9. Get a list of links which Googlebot had difficulty in crawling, including the error that Googlebot received when accessing the URLs in question.
   

10. Add or remove the property owners and associates of the web property.
    Set a preferred domain (e.g. prefer example.com over www.example.com or vice versa), which determines how the site URL is displayed in SERPs.
   

11. Highlight to Google Search elements of structured data which are used to enrich search hit entries (released in December 2012 as Google Data Highlighter).
    
 12. Receive notifications from Google for manual penalties.
    
 13. Provide access to an API to add, change and delete listings and list crawl errors.

3. SEOquake

SEOquake is a Google Chrome extension that automatically checks a web page's SEO parameters quickly for free. This includes on-page SEO audits, internal and external.

https://www.seoquake.com/index.html

4. Google Trends 

Google Trends is provide latest data or you can get real trande information from your business domain.  that analyzes the popularity of top search queries in google Search.

https://trends.google.com/trends/

5. SurferSEO

Comprehensive SEO optimization tool that goes above and beyond to provide users with an all-in-one solution here on one place.

https://surferseo.com/

6. Google Keyword Planner

Google Keyword Planner is a paid keyword research tool available through Google Ads or youtube and others things.

https://ads.google.com/intl/en_in/home/tools/keyword-planner/ 

7. SpyFu

SpyFu is a Google Ads competitor keyword research tool that helps with find keyword , competitive analysis of PPC and SEO campaigns 

https://www.spyfu.com/

8.SEO PowerSuite

 SEO PowerSuite is a one-stop software for all your SEO requirments and keywords.
https://www.link-assistant.com/

9. Woorank

  Woorank is a comprehensive platform for website optimization and marketing. It can assist you with lead generation, competitive research and analitics 

https://www.woorank.com/

10. KWFinder

KWFinder is a SEO tool that helps you find the right keywords for your website. It provides you with data-driven recommendations.

   https://keywordfinder.io/

11. Bing Webmaster Tools

Bing Webmaster Tools is a free service which allows webmasters to add their websites to the Bing index crawler, see their site's performance in Bing and a lot more   

https://www.bing.com/webmasters/about