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Herramientas SEO gratis

June 7th, 2009 · 29 Comments

He localizado la siguiente lista de herramientas SEO en la web gracias a Sinceramente, me parece fantástica y muy recomendable. Se aceptan sugerencias para ampliarla.

  1. General Site Research
  2. Site Technical Stats and Performance
  3. Domain Tools
  4. Social Media Monitoring
  5. General SEO Analysis
  6. Keyword Cloud and Density Tools
  7. Keyword Analysis, Keyword Suggestion Tools
  8. External and Internal Linking Analysis
  9. Visibility/Ranking Tools
  10. Miscellaneous Tools

General Site Research

1. Quantcast

Quantcast provides data to measure, organize, discover and transact based on directly-measured traffic and inferred audience data.

2. Compete

Web analytics; allows comparison of multiple sites.

3. Alexa

Oldest site analytics site – uses external toolbars to collect data.

Site Technical Stats and Performance

4. Code Validation

This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

5. Website Performance

Calculates page size, composition, and download time of a website. The script calculates the size of individual elements then offers advice on how to improve page load time.

6. Domain Dossier

This gives deep detail about a domain, including whois, network whois, DNS records, service scan, and traceroute.

7. HTTP Request Check

See exactly what an HTTP request returns to your browser, including header and code.

8. HTTP/HTTPS Header Check

Quickly view the HTTP headers returned from a given web server

9. View HTTP Path

Quickly view the path/redirects a request takes to get fulfilled.

10. What is My IP

Quickly find your IP address

11. Find IP Address of a Website

Discover the IP address of a website and the website’s hosting location.

12. Determine Country from IP Address

Determines the country a site is hosted in by IP address.

13. Find host by IP address

Lookup the host or website which an IP address belongs to.

14. Page Size Tool

Determines the HTML web page size.

15. Sitemap Generator

Create an XML sitemap that can be submitted to Google, Yahoo and other search engines.

16. Robots.txt Generator

Generate a simple robots.txt file for a website. This file allows you to hide files or directories that you don’t wish the search engine spiders to find.

Domain Tools

17. Keyword Rich Domain Suggestion Tool

This tool suggests keyword rich domain names and provides availability.

18. Domain Typo Generator

Enter a domain name into the box, and this tool will generate a list of suggestions of likely human misspellings and typos for the given domain.

19. Domain Name Checker

instantly checks .com, .net, and .org domain name availability.

20. NameBoy Domain Search

Find creative domain names by entering two keywords.

21. Domain Tools

Provides domain information and basic SEO grade for site.

Social Media Monitoring

22. Tweetvolume

Compare up to five terms to see how often they appear on Twitter.

23. Twitter Search

Enter keywords to see Twitter posts on that topic.


Search popular bookmarks.

25. Facebook Lexicon

Counts occurrences of words and phrases on Facebook Walls over time.

26. Monitter

Monitor the twitter world for a set of keywords and watch what people are saying.

27. Social Bookmark Checker

Identifies the number of social bookmark links into a website.

General SEO Analysis

28. SEO Analysis Tool

Delivers a variety of SEO datapoints all on one page, including domain age, Alexa rank, Directory listings, and more.

29. WebInfo Site Analyzer

Delivers a variety of SEO datapoints all on one page, with some differences from the analysis tool, including keywords, metadata, and use of H-tags.

30. Web Page SEO Optimizer

Evaluates keyword usage and density on a single page or compares between two pages.

31. SEO Fight and Challenge

Compares two domains and calculates an SEO score, based on a self-made algorithm. This is not hugely helpful as the algorithm is unknown, but the graphics are kinda cool to include in a presentation.

32. Website Grader

Measures SEO effectiveness in an in-depth report. Can evaluate one site or compare two.

33. WebTraffic 24

Uses an algorithm to estimate the number of daily visits and the approximate value of the site based on various factors such as Google PageRank, indexed pages by search engines, Alexa page rank and more.

34. Yahoo Siteexplorer

Provides Indexation and Inlink counts. Best inlink tool – can also download linked pages to .tsv file.

35. Duplicate Content Checker

Search for copies of your pages or copy from your pages on the Web.

36. Similar Page Checker

This tool allows you to determine the percentage of similarity between two pages.

37. Spiderview

With the spiderview simulator you see all informations a search engine spider receive from a website. Includes copy, header data including meta data, basics statistics, internal links and external links.

38. Search Engine Spider Simulator

This tool Simulates a Search Engine by displaying the contents of a webpage exactly how a Search Engine would see it. It also displays the hyperlinks that will be followed (crawled) by a Search Engine when it visits the particular webpage.

39. Code to Text Ratio

Calculates the percentage of actual text in a web page in relationship with all the code on the page.

40. Spam Detector

This tool analyzes a web page, searching for characteristics that search engines could consider spam. detects a few types of black-hat tricks: hidden text, doorway pages, keyword stuffing, etc)

41. Advanced Google Searches

A quick way to conduct advanced Google SEO searches. Find things like “pages indexed by Google that mention your domain” or “pages from your site with the search term”. Good for evaluating your own or competitor sites.

42. Domain Age Tool

Displays the approximate age of a website and allows a view of how the website looked when it first started. Allows analysis of multiple domains at once.

Keyword Cloud and Density Tools

43. Keyword Cloud

Shows which words are most prominent on a specific web page in a keyword cloud format.

44. Keyword Cloud

Shows which words are most prominent on a specific web page. This has a unique format – it looks like the words are cut out of a magazine.

45. Keyword Density

Calculates the keyword density for a web page, analyzing single keywords and keyphrases of two or three terms.

46. Keyword Density

Calculates the keyword density for a web page for single terms only.

47. Keyword Cloud with Keyword Density

This one shows a keyword cloud and top keywords in single terms, two word phrases and three word phrases.

Keyword Analysis, Keyword Suggestion Tools

48. Google Trends

Shows the latest top searches and trends related to selected keywords.

49. Google Insights

Compares search volume patterns across specific regions, categories, time frames and properties.

50. Google Keyword Tool

Shows Google popularity and recommendations for additional keywords.

51. Keyword Suggestion Tool

Determines the theme of a website and provides keyword suggestions along with traffic estimates.

52. Keyword Playground

This tool provides keyword suggestions and monthly search estimates. The monthly estimates seem low, but the comparison is valuable.

53. Keyword Discovery

Keyword analysis with competitive analysis (Free 30-day trial, pay after that).

54. Wordtracker

In-depth keyword analysis tool (Free 30-day trial, pay after that).

55. Google Sets

Automatically create sets of items from a few examples. Good for keyword research.

56. Synonymbase

Looks up not just simple terms but also synonyms and key phrases with a similar theme.

57. Keyword Map

Shows visual interpretation of relationships of chosen term to other synonyms and related terms.

58. Thumbshots

Shows graphical representation of ranking differences between Yahoo and Google.

59. Keyword Typo Generator

Generates a list of suggestions for likely human misspellings and typos. Because the results are based on the proximity of the characters on a QWERTY keyboard, and a database of common spelling/typo mistakes (as well as a few other factors), they are fairly accurate and likely to occur in a real world situation.

60. Keyword Difficulty Check Tool

See how difficult it might be to rank for specific keywords and keyword phrases. This tool assigns a difficulty rating for the given keyword.

61. Keyword Optimizer Tool

This tool is designed to manage large lists of keywords. Paste in a list of key terms and this tool will remove any duplicate entries and re-orders the list alphabetically.

62. Fuzzfind

This search engine is a mashup of Google, Yahoo, MSN, and

External and Internal Linking Analysis

63. Inlink Analyzer

This tool analyzes up to 1000 inlinks – this one is nice as the results are broken out into different classes of URLs like .edu, .mil., .com, .net, .gov and other.

64. Backlink Anchor Text Analyzer

This tool lists the inlinks to your website, and the anchor text used in those links.

65. Site Link Analyzer

This tool will analyze a given web page and provide data for both incoming and outgoing links.

66. Link Checker v2.0

Checks inlinks, including pagerank and details about the PR value.

67. Domain Popularity Analysis

This inlink checker shows all inlinks for a domain, including up to 10 subpages per domain, host IP and Google PageRank all in one page.

68. Backlink Builder

This tools searches for websites that accept paid links – using the theme you specify, it searches for sites that contain keyphrases like “Add link”, “Add site”, “Add URL”, “Add URL”, “Submit URL”, “Add Article” etc. Most of the results could be quality potential backlinks.

69. Link Counter Tool

This tool will count the number of outgoing links or URL’s on a given page and display results. This tool could be useful for link exchange purposes.

70. Reciprocal Link Checker

This tool will check to see if any given list of sites (up to 100 URLs) are linking to your website. It is a great tool to keep track of your reciprocal links.

Page Rank Tools

71. Google Toolbar

Includes page rank checker.

72. Page Rank Checker

Check page rank of a single website.

73. Visual Page Rank PR Checker

Shows the pagerank of each link on a web page, displayed in the actual web page.

74. Page Rank Check

With the PageRank checker you can verify the PageRank for up to 5 different URLs simultaneously.

Visibility/Ranking Tools

75. Search Engine Ranking Report

This handy tool will check if your website is in the top 100 results of the four major search engines: Google, Yahoo, MSN and Altavista.

76. Search Results Analysis

Check on which position your domain is ranked for a given keyword and compare the first 100 results by Google, MSN and Yahoo.

77. Search Engine Position Tool

Shows rankings in Google, Yahoo, and Live

78. Keyword Envy

Find keyword ranking for variety of search engines for up to five keywords per URL.

79. Directory Search Tool

Discover if a website is listed in top Directories

80. Marketleap Tools

Includes three tools: Keyword Verification, Search Engine Saturation, and Link Popularity.

Miscellaneous Tools

81. Web Developer Toolbar

The Web Developer extension adds a menu and a toolbar to the Firefox browser with various SEO tools.

82. Linktiger

A broken link checker.

83. Word Count Tool

Provides count of words pasted into the tool.

84. SEO Dictionary

A list of search engine optimization and marketing industry related keywords with their definitions.

This list has evolved from a list of resources used by the WebMama team and we hope it helps with the growth and visibility of your site. We will continue adding to this list over time so be sure to bookmark it. If you know of any resources that we have not included but should have, please send us a quick e-mail and we’ll do our best to include it.

Tags: General

29 responses so far ↓

  • 1 xfabrega // Jun 7, 2009 at 9:56 pm


    Necesitaré mucho tiempo para poder digerirlo! ;-)

    Gracias por la info!

  • 2 Albert Ribera // Jun 8, 2009 at 6:06 am

    Gracias por la recopilación! Estan todas las que son!!

  • 3 Pepe3025 // Jun 8, 2009 at 3:37 pm

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  • 27 Julio // Jan 16, 2011 at 12:17 pm

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