1. Screaming Frog
What it does: Crawls a URL and diagnoses a number of technical issues
Tool type: Desktop app
Link: http://www.screamingfrog.co.uk/seo-spider/
2. Google – Search Console
What it does: Helps with almost everything you need as an SEO
Tool type: Website
Link: https://www.google.com/webmasters/tools/home?hl=en
3. SEO Site Checkup
What it does: An entire suite of valuable free SEO tools
Tool type: Website
Link: http://seositecheckup.com/tools
4. Google – Analytics
What it does: Checks referral traffic, organic traffic, etc
Tool type: Website
Link: http://www.google.com/analytics
5. Mozbar – Canonical Check
What it does: Checks canonicalization of a web page
Tool type: Browser plug-in
Link: http://www.seomoz.org/seo-toolbar
6. Majestic SEO
What it does: Checks citation flow, trust flow, backlink analyzer
Tool type: Browser plug-in
Link: http://www.seomoz.org/seo-toolbar
7. Yext
What it does: Checks for local citation duplicates
Tool type: Website
Link: http://www.yext.com
8. HTTP Response Checker
What it does: Bulk HTTP response code test, includes which URL they are redirected to
Tool type: Website
Link: http://www.tomanthony.co.uk/tools/bu...header-compare
9. Moz – Google Algorithm Updates
What it does: The best tracker of Google’s algorithm updates + explanations
Tool type: Blog post
Link: http://www.seomoz.org/google-algorithm-change
10. Search Latte
What it does: Checks the international SERPS
Tool type: Website
Link: http://searchlatte.com
11. SEO Site Checkup
What it does: Checks IP redirects to help solve duplicate content problems
Tool type: Website
Link: http://www.seositecheckup.com
12. Mozbar – Keyword checker
What it does: Checks keyword density and other on page factors
Tool type: Browser Plug-In
Link: http://www.seomoz.org/seo-toolbar
13. Open Link Profiler
What it does: Checks backlinks of a website
Tool type: Website
Link: http://openlinkprofiler.org
14. BuzzStream – Data Extractor
What it does: Checks meta description, title tag and keywords of a page
Tool type: Website
Link: http://tools.buzzstream.com/meta-tag-extractor
15. SEO Browser
What it does: Checks a website page from a search engine’s point of view
Tool type: Website
Link: http://www.seo-browser.com
16. Google – Page Speed Test
What it does: Checks to see the technical issues holding page optimal page load times
Tool type: Website
Link: [url=https://developers.google.com/speed/pagespeed
]https://developers.google.com/speed/pagespeed
[/url]
17. SEO Mofo – Snippet Optimizer
What it does: Helps to optimize SERP CTR by showing you page title, metas, etc
Tool type: Website
Link: http://www.seomofo.com/snippet-optimizer.html
18. SEO SERP – Position Tracker (Multiple Sites)
What it does: Checks multiple sites for keyword rankings
Tool type: Chrome Browser Extension
Link: https://chrome.google.com/webstore/d...apbmdddddioklg
19. Google – Rich Snippet Tester
What it does: Tests URLs to tell if they’re showing rich snippets in SERPs
Tool type: Website
Link: http://www.google.com/webmasters/tools/richsnippets
20. Motoricerca – Robots.txt Tester
What it does: Tests Robots.txt file
Tool type: Website
Link: http://tool.motoricerca.info/robots-checker.phtml
21. BROWSEO
What it does: Views any webpage without distractions caused by styles, highlights parts of a page that are relevant for SEO
Tool type: Website
Link: http://www.browseo.net
22. SERP Metrics
What it does: Checks search engine fluctuations over time period
Tool type: Website
Link: http://api.serpmetrics.com/flux
23. StatCounter
What it does: Checks your website’s market share in the SERPs
Tool type: Website
Link: http://gs.statcounter.com/#search_en...-201107-201207
24. SEOBook – Rank Tracker
What it does: Tracks rankings of multiple keywords from a browser plug-in
Tool type: Browser Plug-In
Link: http://tools.seobook.com/firefox/rank-checker
25. SEO Tools – Cloak Checker
What it does: Detects whether a website uses “cloaking”
Tool type: Website
Link: http://www.seotools.com/seo-cloaking-checker
26. Ontolo’s SERP Dominator
What it does: Checks the top 100 SERP results for the keywords you input
Tool type: Website
Link: http://ontolo.com/seo-serp-dominator
27. Google – Markup Help
What it does: Helps you create data markup for pages on your site (local business, reviews, etc)
Tool type: Website
Link: https://www.google.com/webmasters/markup-helper
28. Schema.org
What it does: Helps you create schema markup for your website
Tool type: Website
Link: http://schema-creator.org
29. Atoz.tools
what it does: gives all the necessary tools for your websites.
Tool Type : web bundle
Link: https://atoz.tools
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