Search Engine Optimization or SEO as it is popularly abbreviated, is basically a process of quality check, involving the visibility of apropos phrases or words. These words and phrases denoted as ‘keyword’ can be used to find a website on the search engine platforms such as Bing, Google, Yahoo and other search engines.

The elementary aim of SEO is basically an endeavor to achieve a high ranking for the website as awarded by the search engine, which ensures better visibility to the website in a search engine results page (SERP). This makes it easier for users and search engines to understand and trace the content of the website.

Primarily, SEO prioritizes the generation of ‘organic’ website traffic. Search Engine Optimization uses various strategies which strive to elevate the number of visitors on the website by tracking the results through SERPs.

The generated result basically represents the standing rank on ‘titles’ of the page, the ‘meta description’ which is a basically a short description along with the focus keyword’ and the weighted reference to the keyword in the entire content of the webpage. If you already know these basics of SEO and are looking for new tools to enhance your website SEO,

Here are 20 Free SEO Tools You May Not Know About, that are a must use!

1. Google PageSpeed Insights

PageSpeed lets you enter a URL, and tests the loading time and performance for desktop as well as mobile, along with identifying opportunities to improve (and also applauds you for doing well in many areas). The mobile results also come with a user experience score, ranks elements such as tap targets and font sizes.

https://developers.google.com/speed/pagespeed/insights/

2. BuzzStream Meta Tag Extractor

BuzzStream will return the title tag, keywords and description for a list of entered site URLs. The tool can be completely used to optimize a web page.

http://tools.buzzstream.com/meta-tag-extractor

3. Screaming Frog SEO Spider

Screaming Frog’s SEO Spider is a website crawling tool that analyzes and audits the entered website URL for optimum search engine optimization. The SEO Spider analyzes the website’s CSS, links, scripts, images, and apps and recognizes any issues it may have such as duplicate pages, broken links, URI issues and redirect errors.

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

4. Moz Local Listing Score

Moz processes data from over 15 different sources such as Google, Facebook, and Foursquare—to rank your brick-and-mortar business on how it appears on the internet. Results are displayed with actionable fixes for inconsistent or incomplete listings.

https://moz.com/local/search

5. SEO Site Tools (Chrome Extension)

This is a Google Chrome extension which adds SEO data which has been drawn in from different services and websites. It offers collected data from Google PageRank, Alexa traffic details, Quantcast rank and Dmoz domain presence. It additionally gives information on meta tags, social media reactions and can even make suggestions to improve your site’s SEO.

https://chrome.google.com/webstore/detail/seo-site-tools/diahigjngdnkdgajdbpjdeomopbpkjjc

6. Keywordtool.io

Keywordtool.io is an online tool which allows you to enter a keyword, and then provides a huge table comprehensive list of longtail keywords from the input keyword.

https://keywordtool.io/

7. IIS SEO Toolkit

The IIS SEO Toolkit offers Site Analysis, Robots Exclusion, Sitemaps and Site Index modules. The Site Analysis module makes use of a full-featured crawler engine along with a Query Builder interface that generates customized reports.

https://www.iis.net/downloads/microsoft/search-engine-optimization-toolkit

8. Open Site Explorer

The free version of Open Site Explorer offers a brief insight into a full range of link analysis, along with a look at the most impactful links that your site and most linked-to pages might come across.

https://moz.com/researchtools/ose/

9. Virante SEO Tools

Virante provides various on-site and off-site SEO tools online for no charges. On-site tools include a Duplicate Content Tool, an LDA Content Optimizer and a Density of Keyword Tool. Amongst the off-site tools are a Competitive Analysis Tool, a Link Atrophy Tool, and a PageRank Recovery Tool. Virante also offers miscellaneous tools like a Clean IP Tool and an HTTP Header Check Tool.

https://www.hivedigital.com/free-tools/

10. Siteliner

Siteliner aids in developing reports on broken links, duplicate content etc. and analyzes site pages by crawling each one of them, which are clearly distinguished in search engines. This tool keeps a check on duplicate content, broken links, skipped pages, XML sitemaps, internal page rank etc.

http://www.siteliner.com/

11. Web CEO

Web CEO is an all-inclusive SEO tool that comes in both online and offline versions. Like most SEO tools of this type, Web CEO offers rank checking, link management, and analysis as well as on-site optimization tools such as a Site Auditor that can scan your blog for broken links and other SEO related errors.

https://www.webceo.com/

12. Schema Creator

Google and other search engines created a structured data standard called Schema.org. One simply has to have to custom a code so that the review, organization, events, location, and people are displayed the way you want to display them on search engines. After creating your schema code, simply copy that code and paste it to your website, or some free WordPress plugins are also available for the same.

https://schema.org/creator

13. GT Metrix

GTMetrix is a tool to examine the load speed of a page and diagnose opportunities for improvement, which helps you improve your site rank. It even lets you compare the speed performance against a competitor site.

https://gtmetrix.com/

14. QuickSprout Website Analyzer

The QuickSprout tool does a comprehensive take on all SEO entities: SEO optimization, speed, tags, keywords, social, links, along with competitor comparisons.

https://www.quicksprout.com/ 

15. Redirect Path

Redirect Path is a free Google Chrome extension that allows one to figure out an HTTP header and along with redirect errors. This plugin is most convenient for when you’re looking into a small number of pages.

https://chrome.google.com/webstore/detail/redirect-path/aomidfkchockcldhbkggjokdkkebmdll?hl=en

16. Robots.txt Generator

Robots.txt files are used to let the web robot know what to do with that particular websites page, whether to crawl, index or skip. Robots.txt Generator could prove to be one of most significant tools in this list, as it ensures that Google and other search engines are crawling and indexing the site properly.

http://www.yellowpipe.com/yis/tools/robots.txt/

17. Xenu’s Link Sleuth

Xenu is a simple internal link checking tool lets one find broken links on the website. This is an important step important as the page authority of one page is able to spread to the other related pages.

http://home.snafu.de/tilman/xenulink.html

18. SimilarWeb

SimilarWeb is a tool that enables you to compare traffic between two websites, which could prove to be a helpful tool for competitor research.

http://www.similarweb.com/

19. SEMRush

SEMRush is used by a number of bloggers to find profitable keywords. It further aids in site optimization, development of customer-centric content, backlinking, and SEO audit for the blog site.

https://www.semrush.com/

20. Browseo

Browseo is a great tool if you want to view just how search spiders see your site! This view, in particular, can be used to see the hierarchy that you have knowingly or unknowingly given to elements on your site.

http://www.browseo.net/