Top SEO tools for webmasters and SEO specialists

Hello everyone, I am putting a list of top SEO tools which are useful for webmasters and SEO specialists.

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keyword research tools: -Keyword research is a practice used by search engine optimization professionals to find and research actual search terms people enter into the search engines when conducting a search.The tools are as follows:-
Google AdWords
Bing keywords research
Ubersuggest
index keyword stats
Semrush

Webmaster tools: -Webmaster tool is a non-charge web service offered by search engines.It includes sitemap submission, faster indexing of webpages, Broken link checker, internal and external link records etc services. Search engine offers webmaster tools are as follows:-
Google webmaster
bing webmaster
Yandex webmaster

For measuring Web analytics: – Web analytics is the measurement, collection, analysis and reporting of web data for purposes of understanding and optimizing web usage. Web analytics is not just a tool for measuring web traffic but can be used as a tool for business and market research, and to assess and improve the effectiveness of a website.
Tools offer web analytics services are as follows:-
Google analytics
Piwik
Clicky
moz.com
Alexa
Quantcast
semrush.com
compete

For measuring SEO scores and reports
who rank
SEO profiler
Seo site checkup
scheme
market grader
nibbler
free SEO reports

Grammar and spelling checker tools
gingersoftware.com
spell check plus

social media engagement tools
about
twenty feet

Social media post scheduler tools
klout
HootSuite
twitter feed

Social media popularity checker tools
seocentro
99webtools
web seo
tools

For checking page speed :-Page speed is a measurement of how fast the content on your page loads.It affects SERP rankings.Check your page speed with these top tools:-
Google page speed checker
Pingdom speed checker

Domain Authority and Page Authority checker tools
Seo review tools
bulkdachecker
smallseotools
Moonsy.com