20 Free SEO Tools An SEO Expert Must Know


free seo tool

Finally, I would be discussing some tools which SEO experts must know about or a website owner must know. This SEO tools are providing assistance in improving your SEO in different ways, each tool has its own function and I would be explaining each tool to give us a better understanding of what work each tool offers.

Basically, not all the tools which I would be mentioning is compulsory you remember but the vital once you find useful in any way or any type of SEO jobs you find yourself, if you an SEO expert and need a job please check Fiverr or freelancer.

The tools are listed below;

Plagiarism Checker

Plagiarism checker crosschecks your text against over billions of web pages, detecting plagiarized passages and highlighting sections that have been previously published elsewhere. Which also checks and correct hundreds of writing issues, spanning everything from double negatives to faulty parallelisms.

Article spinner/ rewriter

Article Rewriter is a software or a human ran service that rewrites articles for you. Before the development of Machine Learning and Artificial Intelligence, there were humans that used to provide this service. There are some human rewriters out there today but they are not efficient. There are tools like WordAi(https://wordai.com) that uses artificial intelligence to understand the text and is able to automatically rewrite your article with the same readability as a human writer. WordAi rewrites articles within minutes (if not seconds).

You’re an SEO specialist and you need the content of your page to be 100% original. In such cases, Article Rewriter is a great choice because in short time and with almost zero efforts you will get what you wanted. With article re-writer, you will avoid all types of plagiarism.

Keyword Rank Checker

Keyword Rank Checker tool will scan through search engine results for the keyword/phrase you entered to determine website ranking or keyword ranking. As the keyword rank checker runs the test, it’s good to see green results immediately. That means your website was found on the first page for results by the search engine for that keyword. Even if keyword position checker doesn’t show you a position in the top 3, a front-page position is a good news.

Reverse image checker

Image reverse search is about uploading a sample image rather than a keyword for search purpose. When an image is uploaded, the users are able to gain more information for that image such as individuals, places, and objects present in it. If they don’t want to upload an image then they also have an option to provide image URL to initiate the search.

Grammar checker

The grammar checker is a program that attempts to verify written text for grammatical correctness. The grammar checker is also a type of writing aid which non-native speakers can use to proofread their writings as such programs endeavor to identify syntactical errors.

Domain authority checker

Domain Authority Checker helps you to quickly check the authority of a website to give you a very strong indication of how well a website can perform on a search engine.

Google PR checker

Google PageRank Checker also is known as PR Checker. PR Checker is a tool that you can use to determine the significance of any webpage. It is one of the key factors that are used to determine which web pages appear in the search results and how do they rank. Keep in mind that the results of PR Checker can have a significant influence on your overall Google ranking.

Image compression tool

Image Compression, as you may get an idea from the name itself, is the reduction in the file size of an image or graphics file without comprising on the quality to an unacceptable level. The main objective of image size reducer is to reduce the irrelevance and redundancy in the data of a graphics file that enables users to store or transfer the data in a more efficient manner.

Image compression online or offline also allows users to store images more efficiently in a particular memory space while significantly reducing the required download and upload time.

Page authority checker

Page Authority checker is based on data from our web index and takes into account dozens of factors. Like Domain Authority, it uses a machine learning model to identify the algorithm that best correlates with rankings across the thousands of SERPs that we predict against, then produces Page Authority scores using that specific calculation.

Spell checker

Spell checker is a computer program used to check that the words in a document have the correct spellings.

Backlink Checker

Backlink checker is a tool used for checking the total number of backlinks your site has or have generated.

Alexa rank checker

Alexa rank checker is a tool by Alexa used in checking you're how your blog is ranked in the world.

Backlink maker

Every website needs backlink maker.

Domain age checker

Domain age plays an important role in Google ranking. Google examines the date a domain got registered and crawling started. How many links are established with other websites?

Website ping tool

One of the most important tools in SEO is ping tool. Ping tool online is the tool that can help web owners and web developers to ping website and optimize the performance of the website. Using this ping tool online, they can ping a website to Google or other search engines such as Bing, Yandex, and Yahoo which will automatically notify that your website or blog has been updated.

Website SEO score checker

SEO Score checker is used in measuring of how well the user-facing and technical aspects of your site contribute to search engine optimization, and ultimately, higher rankings and organic traffic.

Keyword density checker

Keyword Density Checker is the keyword density tool that comes to the rescue of webmasters and SEO professionals, as it helps in keyword density analysis of their web pages. We all know how important is SEO for a website, and for SEO, the density of keywords is very important. Keyword density checker or keyword density calculator or keyword density analyzer tool crawls through the given URL and extracts the text as a search engine would do to perform the keyword density check.

Website page size checker

Website Page Size Checker, one of the many free SEO tools that SER has come up with. As you may get an idea from the name itself, you can use this handy tool to find out the page size of any particular website page. This wonderful tool works as a magic tool that can be used to check the website size online.

Meta Tag Analyser

Meta tags have any significant impact on search engines ranking and are Meta tags useful? SEO and Webmasters can select from some Meta tags analyzer tools now widely available on the internet.

Some search engines give importance to Meta tags, and others do not. But we first need to understand what Meta tags are? Search engines read them to see if the tag keywords, description is related to the visible content.

 Mozrank checker

MozRank quantifies link popularity and is Moz’s version of Google’s classic PageRank algorithm. Pages earn MozRank based on the other pages on the web that link to them and the MozRank of those linking pages.

After viewing the list of the tools every SEO expert must know or a website owner, this tools helps our website in different ways…


Enjoy the tools listed, don’t forget to give us a comment on which tool you love best.

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