Free SEO Tools You Should Know About
If you like SEO tools and you’re a fan of free stuff, you’re going to like this list of free SEO tools.
Backlink Investigation
1. Open Site Explorer: http://www.opensiteexplorer.org/
2. Majestic SEO Site Explorer: http://www.majesticseo.com/
3. Ahrefs Site Explorer: http://ahrefs.com/
4. Link Diagnosis: http://www.linkdiagnosis.com/
Server Investigation
1. BuiltWith: http://builtwith.com/
2. Pingdom Full Page Test: http://tools.pingdom.com/fpt/
3. Google PageSpeed: https://developers.google.com/speed/pagespeed/insights
4. URI Valet: http://urivalet.com/
5. SpyOnWeb: http://www.spyonweb.com/
Website Crawling & Link Checking
1. Screaming Frog SEO Spider Tool: http://www.screamingfrog.co.uk/seo-spider/
2. Xenu’s Link Sleuth: http://home.snafu.de/tilman/xenulink.html
3. W3C Link Checker: http://validator.w3.org/checklink
Content & Markup Analysis
1. SEO Browser: http://www.seo-browser.com/
2. Copyscape: http://www.copyscape.com/
3. W3C Markup Validation Service: http://validator.w3.org/
Keyword Research
1. Google AdWords Keyword Tool: https://adwords.google.com/o/KeywordTool
2. Wordtracker: https://freekeywords.wordtracker.com/
3. Ubersuggest: http://ubersuggest.org/
4. Latent Dirichlet Allocation Content Optimizer: http://www.virante.org/seo-tools/lda-content-optimizer
Competitive Keyword Analysis
1. SpyFu: http://www.spyfu.com/
2. SEMRush: http://www.semrush.com/
Social Discovery
1. Shared Count: http://sharedcount.com/
2. SocialMention: http://socialmention.com/
3. Follower Wonk: http://followerwonk.com/
PR & Outreach
1. HARO – Help a Reporter Out: http://www.helpareporter.com/
2. Blogger LinkUp: http://www.bloggerlinkup.com/
3. MyBlogGuest: http://myblogguest.com/
4. DoubleClick Ad Planner: https://www.google.com/adplanner/
Analytics
1. Google Analytics: http://www.google.com/analytics/
2. Open Web Analytics: http://www.openwebanalytics.com/
3. Piwik: http://piwik.org/
Search Engine Guidance
1. Google Webmaster Tools: https://www.google.com/webmasters/
2. Bing Webmaster Tools: http://www.bing.com/toolbox/webmaster/
SEO Analysis
1. WooRank: http://www.woorank.com/
2. Lipperhey: http://www.lipperhey.com/
3. Pearanalytics: http://www.pearanalytics.com/
Source: http://www.webgnomes.org/blog/33-free-seo-tools/
Last edited: