The 5 Most Competitive SEO Industries in 2019

When it comes to ranking high on search engine results pages (SERPs), having an airtight SEO strategy is compulsory. Especially if you are in one of the most competitive SEO niches. These companies are forced to employ aggressive SEO strategies to ensure they are ranked high, and that their products or services are not mistaken for spam.

Having an effective and successful SEO strategy is important for all kind of businesses and niches, but a select few have to work even harder for the top spot. While some smaller businesses might not have to spend a lot of time and money on SEO and still rank high, others have to employ several strategies paired with a sufficient budget to ensure they are profitable.

Here, we uncover some of the most competitive SEO industries out there today. Companies in these industries have to work continuously to ensure they are not left behind in their competitors’ success.


First up, we have the iGaming industry. This industry has experienced exponential growth over the past couple of years, and those running and operating online casinos, sportsbooks, and other betting platforms have to employ aggressive SEO strategies.

These companies have large teams consisting of SEO experts and developers to ensure everything is done to ensure they rank high while implementing white hat SEO strategies.

Retail and Online Shopping

You might think that retail and online shopping businesses have it fairly easy when it comes to SEO. This couldn’t be further from the truth. In the digital age, a lot of consumers’ time and shopping is spent and done online.

This means keywords are high in demand if you are opting for Google Ads as a strategy. There are also a lot of spam accounts prevalent in the niche, making it difficult for these companies to rank high.

Weight Loss

Another big contender in the list of most competitive SEO industries is none other than weight loss. Since it is one of the hottest topics on the net, people typically search for weight loss solutions that are easy to implement.

It is said that while it is very competitive, working in the niche is not as difficult or laborious as working in the iGaming industry for example. Depending on the products and keywords, you can get away with a relatively small SEO budget and a team of about 5 specialists.

Adult Entertainment

Next up, we have adult entertainment. This industry has many obstacles, one of them getting a team of people interested in working with you. The next is setting up a reputable site that can be crawled for SEO purposes.

Usually, these sites are populated with minimal text, and mostly feature video content, making it difficult to rank high. It’s also pretty competitive with loads of companies working in this niche.

Medical and Pharma

Finally, we have the pharma and medical industries which we are grouping because they are related. The biggest obstacle these industries face is the prevalence of spammy content and companies using black hat SEO strategies.

Having said that, these industries also do not require a very large team nor a big budget to rank high on SERPs. All it takes is some general SEO savvy paired with white hat SEO strategies and you’ll outrank any phony medical or pharma site.

The majority of these industries make use of clever backlink strategies which includes PBNs linking to the actual site, as well as guest posting on authoritative sites. It seems the most difficult SEO niche to get into is without a doubt iGaming.