17 Free SEO Tools For Site Audits

It takes the help of know-how to research information, conduct analysis, validate code, and conduct different SEO website audit checks at scale.
The excellent news is that these instruments don’t must put your SEO funds into the purple.
There are loads of completely sufficient, free SEO instruments out there to publishers and SEOs on a smaller scale. And many of those free instruments offer you entry to the identical performance and information sources because the paid variations.
That signifies that as soon as your wants have outgrown the free model, it’s a simple transition to the paid variations with a purpose to proceed in your journey of success.
In the meantime, try this checklist of free instruments you should use in website audits to get you began.

Free Content-Related SEO Tools
1. SEO Ngram Tool
While we don’t know which got here first, the rooster or the egg, we do know that good content material begins with understanding the key phrases folks use and why they’re utilizing them.
The following free key phrase instruments will assist put publishers on the trail to high rankings.
A helpful free SEO device that was not too long ago up to date for 2022 is the SEO Ngram Tool that was developed by Ryan Jones, Vice President, SEO at Razorfish.
His SEO Ngram Tool lets you higher perceive the key phrase mixtures which can be mostly used for looking.
(*17*) of SEO Ngram Tool Spreadsheet taken by writer, January 2022
The device additionally generates a search time period relationship map, grouping the completely different search phrases into a visible map that reveals the bottom key phrase phrases (main connections) and the search phrases which can be associated to it.
Below is an animation displaying the principle key phrase within the heart.
Around the principle key phrases are the first connections that are variations of the principle key phrases.
Connected to the first connections are the key phrase phrases which can be associated to the second-level key phrase phrases.
So it is:
Main Level > Second Level Primary Connections > Third stage key phrase phrases
Animation of Search Term Relationship Map

The information will be downloaded to a CSV spreadsheet that reveals phrase mixtures which can be incessantly grouped collectively.
(*17*) of Primary Connections taken by writer, January 2022
2. Answer The Public
This is a extremely standard device, and it looks as if all people is aware of about it.
Nevertheless, it must be listed for many who haven’t but heard about it as a result of it’s an amazing device.
The means Answer the Public works is you enter first your key phrase phrase, and it’ll return a visualization map of standard key phrase phrases which can be divided by the sorts of questions, like who, what, the place, when, and the way.
(*17*) of Keyword Data Visualization taken by writer, January 2022
A closeup of the ‘how’ part within the key phrase information visualization:
(*17*) taken by writer, January 2022
Answer the Public additionally gives the key phrase information in a spreadsheet format, conveniently organized by query kind.
(*17*) of an Answer the Public Spreadsheet taken by writer, January 2022
3. Ahrefs Free Keyword Tools
Ahrefs presents a mess of free SEO instruments which can be value exploring on their very own. One of the instruments that stands out is its Free Keyword Research Tool.
It additionally presents a number of key phrase instruments that present 100 high key phrases with related key phrase quantity and what’s represented as Amazon, YouTube, Bing, and Google for search.
Ahrefs commented on the sources of the knowledge:
“Our free instruments connect with the identical database as our important instruments.  The sources are as ordinary: Google Keyword Planner, clickstream, and information partnerships.”
Regardless of the place the information comes from, the device is a helpful useful resource for producing article writing subjects.
4. Siteliner
The free Siteliner duplicate content material device is a scanner supplied by CopyScape (an anti-plagiarism service).
Siteliner’s high characteristic is its capability to determine pages inside the website which have related content material. This makes it straightforward to identify alternatives for bettering content material.
It’s greatest for articles to characteristic content material that’s distinctive to every article.
Depending on how a lot content material is analogous, articles that share content material can create a state of affairs the place Google might have to decide on which web page is extra related and make one canonical.
Eliminating duplicate paragraphs throughout articles will assist internet pages differentiate themselves.
The scanner is restricted to 250 pages. Nevertheless, it’s helpful to warn you to a potential drawback with skinny pages.
5. W3C Validator
The Worldwide Web Consortium publishes an HTML checker that additionally checks what the heading define (H1, H2, and many others.) appears to be like like on an online web page.
This is a very useful gizmo for testing how Google sees your internet web page or a competitor’s internet web page.
Tick the “Show Outline” choice with a purpose to see how your heading parts look to a search engine.
The outcomes will be eye opening and reveal points together with your web site template.
Select the Show Outline Box to see headings on an online web page. Then, tick the field to indicate define. The free HTML validator will present you what your heading tags appear to be to Google.

The validator can typically choke on actually dangerous HTML, however there’s a strategy to get across the coding errors.
Restart the method, however this time, test the More Options part and select a doc kind. The heading checker will work, assured.

Free SEO Website Crawler
6. Screaming Frog – Free For 500 URLs Or Less
Industry-leading website auditing software program Screaming Frog presents a free model that’s good for auditing smaller websites which can be beneath 500 URLs.
It’s a strong strategy to crawl a website and be taught if there are any issues.
Screaming Frog mechanically gives details about your outbound hyperlinks, inner hyperlinks, your photos, response codes that varied pages give, and details about title tags, meta description tags, headings, photos, and just about all the pieces a couple of website {that a} writer would wish to test for website well being and errors.
Screaming Frog permits you to set the person agent to emulate Googlebot, Bing, Chrome, and anything you need with a purpose to see how your website responds, offering a real perception into how the major search engines and customers are encountering your web site.
7. Netpeak Spider
Netpeak Spider is one other crawling device that has a beneficiant free model that may crawl as much as 100,000 URLs.
The device gives information on over 80 SEO-related points and checks on over 100 technical web site points.
It additionally has different functionalities associated to competitor analysis.
Overall, the free model of the Netpeak Spider makes a helpful complement to the free model of Screaming Frog, as they each have completely different options and current information in numerous methods.
8. Xenu Link Sleuth
Xenu Link Sleuth is the old-school SEO device of alternative with regards to a free website crawler.
It’s described as a damaged hyperlink checker and it does an amazing job of that. It generates a report for each inner and exterior damaged hyperlinks.
But, Xenu does a lot greater than test for damaged hyperlinks.
Xenu can output a report that gives a fast overview of web page titles, orphaned pages, redirects, and pages that aren’t discovered (404 response codes).
Xenu Link Sleuth free web site crawler and damaged hyperlink checker.
Free Mobile SEO Tools
Mobile SEO is extremely vital. That’s why it’s important to have the ability to check what a search engine outcomes web page (SERP) appears to be like like in just about any metropolis on the planet.
It’s additionally helpful to have the ability to test what your internet web page appears to be like like in the preferred cell phones. Pages that look nice are likely to convert higher.
9. MobileMoxie
MobileMoxie gives a totally practical Mobile SEO Tools.
The MobileMoxie SERP checker reveals you what the rankings appears to be like like in an enormous collection of cell phone screens.
What makes this device particularly useful is that it could possibly localize to any metropolis on the planet.
Thus, you may check what the cellular rankings are for somebody positioned in any metropolis on the planet. This is nice for native SEO or for consumer work the place you’re not positioned within the consumer’s space.
There can be a MobileMoxie Web Page Checker that may present you what your internet web page appears to be like like in just about any cell phone. This will assist you optimize your internet web page in order that it converts one of the best throughout a variety of cell phones.
The device is totally practical and can be utilized at no cost 3 times.
Below is the MobileMoxie SERP tester displaying a side-by-side comparability of what your SERPs appears to be like like in just about any cell phone.
You may also scroll by way of the native SERPs for any metropolis on the planet in just about any language of your selecting.

Free Website Technical Audit Tools
10. DNS Propagation Checker Tool
The DNS Checker device will test how properly your website is resolving around the globe.
This device might help floor points with the server settings that may have an effect on the flexibility of Google and different website guests from reaching an internet site.
I’ve efficiently used this device to determine why Google’s crawler couldn’t attain an internet site, inflicting large indexing points. The trigger was a nasty server setting.
So, if search engines like google and yahoo or customers are having problem reaching the web site, give the DNS Checker device a attempt.
11. MX Toolbox Blacklist Check
This on-line device will test in case your area or IP handle is on one among a number of standard blacklists. Being on a blacklist can have an effect on electronic mail deliverability.
Free Website Security Audit Tools
Many SEOs don’t think about safety as a part of an SEO audit.
Security solely turns into a difficulty after a website’s been hacked and the rankings dropped.
In my opinion, web site safety needs to be a element of an SEO audit.
A safe web site is a significant a part of how properly it ranks and encourages gross sales. That’s why I embody a radical safety audit with each website audit I carry out.
12. Free WordPress Vulnerability Scanner: WPScans
This free vulnerability scanner presents a fast however complete scan of potential points.
Create the report, then analysis whether or not or not your website has points that want fixing. WPScans.com is a useful gizmo for starting a safety audit.
13. Free HTTPS Validator Tool: SSL Labs Security Checker
The SSL Labs Security device will spot misconfigurations and safety holes in your HTTPS certificates implementation.
Adding a server safety certificates is touted as being straightforward, however that’s not at all times the case. This great tool will assist you diagnose hidden points.
14. Free Drupal Security Scanner: Hacker Target Drupal Security Scanner
This complete safety scanner will spotlight widespread points with a Drupal-based web site.
Free Website Performance Tools
15. GZip Compression Checker
The GZip Compression device checks in case your website is utilizing GZip compression. Using compression permits your server to obtain your internet pages rapidly.
16. YSlow Performance Audit
The free YSlow Performance Audit device is a complete efficiency audit scanner. It creates a report of 23 efficiency guidelines.
17. GTmetrix
GTmetrix Speed and Performance Audit is one other device that may generate varied benchmark scores. Use these scores to know the place your website will be improved.
Bonus: Free Google Site Audit Tools
Google presents many SEO-related instruments.
Aside from the Google Search Console, which is essential and is value mentioning, listed below are different helpful instruments supplied by Google for auditing and inspecting internet pages and web sites:
Page Speed Insights presents internet web page velocity suggestions.
Rich Results and Structured Data Testing Tool has been consolidated with the Rich Results device. This helps diagnose points together with your structured information and confirms whether or not the structured information qualifies for wealthy outcomes.
The structured information validator doesn’t confirm in case your structured information conforms with Google’s pointers.
Make certain you’re following Google’s Structured Data Guidelines. Making a mistake with structured information might lead to a handbook penalty.
Google Lighthouse is a device that’s constructed into Chrome. It can be out there as a Chrome Lighthouse Extension.
Google’s Lighthouse is an unimaginable suite of internet efficiency analytical instruments.
Learn More About Google Lighthouse: A Technical SEO Guide To Lighthouse Performance Metrics
The Lighthouse SEO report focuses on how properly the positioning will be listed, which is an particularly helpful characteristic lately.
Lighthouse can be utilized to diagnose on-page points associated to the code and to assist discover out what’s making a website slower plus it presents tips about the way to enhance these shortcomings.
Lighthouse is a must-learn device for everybody who needs to enhance their website efficiency metrics.
Be Prepared For SEO Success
The high quality of free SEO audit instruments has continued to develop in usefulness and class.
Publishers and SEOs have the flexibility to automate lots of of SEO duties with out paying a factor.
Take the time to discover ways to use these instruments and also you’ll be pleasantly shocked how highly effective these instruments are.
Success in SEO isn’t assured or a certain factor.
But the alternatives for reaching your objectives have by no means been higher than they’re now, with the assistance of those free SEO instruments.
More sources:
Featured Image: Alexander Supertramp/ShutterstockIn-post photos #7 to #9 created by writer, January 2022

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