Companies that employ overly aggressive techniques can get their client websites banned from the search results. In 2005, the Wall Street Journal reported on a company, Traffic Power, which allegedly used high-risk techniques and failed to disclose those risks to its clients.[15] Wired magazine reported that the same company sued blogger and SEO Aaron Wall for writing about the ban.[16] Google's Matt Cutts later confirmed that Google did in fact ban Traffic Power and some of its clients.[17]
Website-specific crawlers, or software that crawls one particular website at a time, are great for analyzing your own website's SEO strengths and weaknesses; they're arguably even more useful for scoping out the competition's. Website crawlers analyze a website's URL, link structure, images, CSS scripting, associated apps, and third-party services to evaluate SEO. Not unlike how a website monitoring tool scans for a webpage's overall "health," website crawlers can identify factors such as broken links and errors, website lag, and content or metadata with low keyword density and SEO value, while mapping a website's architecture. Website crawlers can help your business improve website user experience (UX) while identifying key areas of improvement to help pages rank better. DeepCrawl is, by far, the most granular and detailed website crawler in this roundup, although Ahrefs and Majestic also provide comprehensive domain crawling and website optimization recommendations. Another major crawler we didn't test is Screaming Frog, which we'll soon discuss in the section called "The Enterprise Tier."

Mike Levin is the Senior SEO Director at Ziff Davis, PCMag's parent company. His career goes back 25 years to the halls of Commodore Computers, as an original Amiga fanboy to be beamed up by the mothership just as it imploded. Over his past 10 years in NYC, Mike's highlights have included leading the Apple Store, Kraft and JCPenney SEO accounts whi... See Full Bio

Important: The Lowest rating is appropriate if all or almost all of the MC on the page is copied with little or no time, effort, expertise, manual curation, or added value for users. Such pages should be rated Lowest, even if the page assigns credit for the content to another source. Important: The Lowest rating is appropriate if all or almost all of the MC on the page is copied with little or no time, effort, expertise, manual curation, or added value for users. Such pages should be rated Lowest, even if the page assigns credit for the content to another source.


This review roundup covers 10 SEO tools: Ahrefs, AWR Cloud, DeepCrawl, KWFinder.com, LinkResearchTools, Majestic, Moz Pro, Searchmetrics Essentials, SEMrush, and SpyFu. The primary function of KWFinder.com, Moz Pro, SEMrush, and SpyFu falls under keyword-focused SEO. When deciding what search topics to target and how best to focus your SEO efforts, treating keyword querying like an investigative tool is where you'll likely get the best results.
All sites have a home or "root" page, which is usually the most frequented page on the site and the starting place of navigation for many visitors. Unless your site has only a handful of pages, you should think about how visitors will go from a general page (your root page) to a page containing more specific content. Do you have enough pages around a specific topic area that it would make sense to create a page describing these related pages (for example, root page -> related topic listing -> specific topic)? Do you have hundreds of different products that need to be classified under multiple category and subcategory pages?
The SEO tools in this roundup provide tremendous digital marketing value for businesses, but it's important not to forget that we're living in Google's world under Google's constantly evolving rules. Oh and don't forget to check the tracking data on Bing now and again, either. Google's the king with over 90 percent of worldwide internet search, according to StatCounter, but the latest ComScore numbers have Bing market share sitting at 23 percent. Navigable news and more useful results pages make Bing a viable choice in the search space as well.
The emphasis on tools, meaning plural, is important because there's no one magical way to plop your website atop every single search results page, at least not organically, though there are best practices to do so. If you want to buy a paid search ad spot, then Google AdWords will happily take your money. This will certainly put your website at the top of Google's search results but always with an indicator that yours is a paid position. To win the more valuable and customer-trusted organic search spots (meaning those spots that start below all of those marked with an "Ad" icon), you must have a balanced and comprehensive SEO strategy in place.
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