A few months ago, I presented a massive list of free SEO tools that can help you accomplish various SEO tasks (e.g., backlink investigation, keyword research, etc.). I received a lot of positive feedback about that list, but people consistently requested more SEO analysis tools.
Since I’m a man of the people, this post is completely dedicated to SEO analysis tools. For each tool, I’ve provided a brief overview of its functionality, and I’ve also included helpful screenshots and videos along the way. After you finish this post, your SEO analysis toolbox should be overflowing with goodness!
Now, let’s get started…
WooRank is a freemium tool that provides an “instant website review.” Without a premium account, you are only allowed to generate 1 free report per week, but you are able to view previously generated reports. Also, the tool currently offers a 7-day unlimited free trial, which gives you access to unlimited reviews. If you’re interested in purchasing a plan, the cheapest one is currently $49/month.
Here’s the summary view from a WooRank report:
The report is divided into the following 12 sections:
- Top 5 Priorities – These are the most important action items for your site.
- Visitors – This section summarizes your site’s traffic numbers and audience demographics.
- Social Monitoring – This quantifies your site’s popularity on social networks, and it reproduces various social information (e.g., latest tweets on Twitter, LinkedIn profile information, etc.).
- Mobile – The mobile version of your site is displayed, and the site’s adherence to mobile optimization best practices is evaluated.
- SEO Basics – This section checks if your site is following basic SEO best practices (e.g., www/non-www canonicalization, XML Sitemap usage, etc.).
- SEO Content – The most important on-page SEO elements (e.g., title, meta description, etc.) of your site are evaluated.
- SEO Keywords – This shows a few of the site’s most important keywords (and corresponding competitors).
- SEO Authority – This section summarizes the site’s authority using PageRank, the site’s indexability, registration dates, and more.
- SEO Backlinks – The site’s backlink count is displayed.
- Usability – This section focuses on various usability factors (e.g., the 404 error page, the page’s size and load time, etc.).
- Security – This looks at various security-related metrics (e.g., spam blacklists, Google’s safe browsing API, etc.).
- Technologies – This section investigates miscellaneous aspects of the site (e.g., W3C standards compliance, speed optimizations, etc.).
HubSpot recently replaced its wildly popular Website Grader with Marketing Grader. Unlike many of the other SEO analysis tools on this list, which focus primarily on your site’s SEO activities, Marketing Grader digs deeper into your company’s online marketing strategy.
Here is an example of a Marketing Grader report:
The report focuses on three areas of your company’s online marketing efforts:
- Top of the Funnel – Are you effectively bringing visitors to the website? This section investigates your blogging activities, your site’s SEO, your site’s mobile friendliness, and your social media activities.
- Middle of the Funnel – Are you effectively converting visitors into leads and leads into customers? This section analyzes the effectiveness of your landing pages, and it evaluates your site’s level of social engagement.
- Analytics – Are you effectively monitoring your marketing activities? This section identifies whether or not you’re using analytics software, and it compares your site’s traffic to other HubSpot customers.
SiteTrail is a free “all-in-one website analysis tool,” and it does an excellent job aggregating information from various different data sources. After you run SiteTrail on a website, the tool presents a report that summarizes its findings.
Here’s an excerpt from a SiteTrail report:
The report summarizes 13 different analyses, which are as follows:
- Social Media Analysis – This summarizes the site’s social engagement on 20 popular social media sites (e.g., Twitter, Facebook, reddit, Topsy, etc.).
- SEO Analysis – This section lists how many of the site’s pages are indexed, the site’s number of backlinks, and the directories the site is listed in.
- Visitor Analysis – The site’s number of visitors, visits, and pageviews are listed along with the visitors’ geographic distribution.
- Traffic Analysis – This section lists the site’s traffic ranks, and it shows how the site’s traffic is trending.
- Revenue Analysis – The site’s value is estimated based on its traffic and projected advertising revenue.
- Content Analysis – This section shows the title, description, and popular keywords for the site’s homepage.
- Link Analysis – The characteristics of the homepage’s outlinks (e.g., internal vs. external, followed vs. nofollowed, etc.) are presented.
- Hosting Analysis – This section presents information about the site’s hosting provider.
- Domain Analysis – The site’s domain registration information is displayed.
- Server Analysis – This section offers information about the site’s technology stack (e.g., its Web server, its CMS, etc.).
- Color Analysis – This identifies the most popular colors that are used in the site’s color palete.
- DNS Record Analysis – This section shows the site’s DNS records.
- HTTP Header Analysis – This displays the HTTP responses received from the site.
Traffic Travis is a desktop application that offers a suite of free SEO tools, and one of them focuses on analyzing your site’s on-page SEO. Using this analysis tool, you can identify important information about your site’s pages, including PageRank, number of backlinks, and various optimizations for important page elements (e.g., titles, descriptions, headings, images, etc.).
Here is a very helpful video that gives you a quick overview of the tool’s on-page SEO functionality:
#5 SEO Workers
This SEO analysis tool has been around for quite some time, and although it’s not the prettiest tool on the list, it’s still incredibly useful. After you evaluate a URL, the tool presents an analysis report, which is broken down into the following sections:
- HTTP Headers Check – This section displays the HTTP headers that are returned in response to a request for the given URL.
- Head Elements – The page’s most important <head> tags (e.g., title, meta description, etc.) are displayed along with helpful advice and corresponding videos.
- Page Most Relevant Keywords / Keyphrases – This section presents the page’s most popular (based on keyword density) one, two, three, and four word keyword phrases.
- The Page Displayed within Search Engine Results – This is an approximation of what the page will look like in the search engine results.
- URLs Found in the Page – All of the page’s internal and external outlinks are displayed.
- Keywords Found in the Anchor Tags – This section shows the anchor text used in each of the page’s outlinks.
- Keywords Found in Image Alt Attributes – This is a list of the phrases used in alt text for the page’s images.
- Heading & Phrase Elements – Each of the page’s heading and stylistic tags are shown.
Lipperhey is not as popular as some of the other SEO analysis tools, but it presents a wealth of information. After you perform an analysis, the tool presents a summary view, which includes a cumulative score as well as technical, SEO, and popularity scores.
Here is an example of the tool’s SEO summary:
The tool also presents an in-depth view for each of the summarized sections:
- Technical – This includes information about the site’s hosting information (e.g., server type, load times, etc.), website structure (e.g., code density, duplicate content, etc.), indexability, design, and text components (e.g., titles, headings, etc.).
- SEO – This section illustrates how well the site has optimized various HTML elements (e.g., URLs, titles, headings, images, etc.).
- Popularity – This shows how many backlinks the site has, and it also lists any directories that the site has been listed in.
SpyderMate is a premium service (the Pro plan is currently $49/month) that offers a number of useful SEO analysis tools. Fortunately, they also offer a 30-day free trial to allow you to experiment with the tools.
SpyderMate’s two most useful analysis tools are the Scorecard and the Auditor. Here is a Scorecard example:
As the example shows, the Scorecard displays 8 interesting metrics about a given domain:
- Domain Authority – This is the same as SEOmoz’s Domain Authority score.
- Unique Domain Backlinks – This number is obtained from Majestic SEO.
- Google US Traffic Value – This is the estimated monthly cost of purchasing the same number of visitors from Google.
- Google US Keywords – This is how many of the domain’s keyword phrases are ranking in the top 20 results of Google (based on the 40 million keyword phrases currently tracked by SEMRush).
- Facebook Shares – This is the number of times the domain’s homepage has been shared on Facebook.
- Twitter Shares – This is the number of times the domain’s homepage has been tweeted on Twitter.
- Google+ Shares – This is the number of times the domain’s homepage has been +1ed on Google+.
- Domain Age – This is how long the domain has been registered.
All of this information is also displayed in a radar chart, which compares the site’s values against median values for each corresponding metric.
In addition to the Scorecard, SpyderMate also offers an Auditor tool that reports on a site’s adherence to 25 best practices. Here’s an excerpt from an Auditor report:
The best practices include SEO fundamentals such as domain canonicalization, XML Sitemap usage, optimized tags (e.g., titles, descriptions, etc.), and optimized URLs.
DIYSEO offers a free website grader that analyzes a site and presents its findings in an SEO report card. This report card displays a letter grade, which is generated based on the site’s adherence to best practices in the following 6 categories:
- Current Rank – This category identifies whether or not the site is ranking in Google and Bing for the targeted keyword.
- Link Building – This section checks if the site is receiving a sufficient number of backlinks.
- On-site – This simply checks if the targeted keyword is being used in the homepage’s title and body.
- Accessibility – This category ensures that the site’s homepage loads quickly and is accessible to search engines.
- Trust Metrics – This section checks if the site is reasonably well established.
- Current Indexing – This simply checks if the site is being indexed in Google, Bing, and Yahoo!.
Seoptimer is a free SEO analysis tool that investigates a given URL’s on-page SEO ranking factors. After you analyze a URL, the tool presents a summary of the most important action items. Then, it displays its analysis results, which are broken down into the following 7 categories:
- HTML Header – This shows the most important HTML <head> elements (e.g., title, meta description, etc.).
- Body Content – This section lists important HTML <body> elements (e.g., headings, images, etc.).
- Internal and External Links – This presents the page’s internal and external outlinks.
- Additional Files – This section identifies the site’s robots.txt file and XML Sitemap.
- Social Media Signals – This displays the number of shares for the URL on Facebook and Google+.
- HTTP Headers – This section shows the HTTP response for the URL.
- Domain and Server – This presents information about the page’s Web server (e.g., IP address, name servers, etc.).
#10 Free SEO Analysis by Web Gnomes
Our free SEO analysis tool provides a small subset of the information we provide in our full-blown SEO audit. The tool investigates a URL’s adherence to 20 important on-page SEO best practices, and then, it presents the results in a report, which is divided into 5 categories:
- Accessibility – Are search engines able to access the page?
- Content – Is the page using substantive content?
- HTML Markup (<head>) – Does the page use optimized HTML <head> tags (e.g., title, meta description, etc.)?
- HTML Markup (<body>) – Are the HTML <head> tags (e.g., headings, images, etc.) optimized?
- URL – Is the page’s URL optimized?.
Here is an example of a report’s summary gnome:
It’s Your Turn!
I would love to hear from you in the comments. Which of these tools is your favorite? What other SEO analysis tools should everyone be using?