You work your absolute socks off to create what you believe to be the best content for your blog right? You spend hours doing keyword research, topic research, content structuring and writing the content itself. You work even harder to promote your content to attract readers and the search engines, only to find out later that somebody has stolen all your hard work!
Frustrating? I know it is…
But it doesn’t stop there, when we get pitched guest posts, we also face the possibility of publishing duplicated content onto our blogs, especially if we don’t check them first! So what can you do? Here are 3 amazing online tools for you to use to check for duplicate content and plagiarism!
Tip: A real case study: a tech blog unknowingly published duplicate guest content, resulting in 20 articles being deindexed by Google. They had to rewrite everything and submit reconsideration requests. After implementing plagiarism checks, they restored rankings and improved editorial quality.
Copyscape –
Copyscape I believe is the most popular and most advanced tool for checking plagiarism. There is a free and premium service to choose from. The free service allows you to search a page at a time, but the premium version offers the most comprehensive features. Costs wise, you pay 5 cents per search and you can search a single URL, search an entire site using ‘batch search’ (you’re able to check up to 10,000 pages in a single operation with Batch Search), or paste your content to run a check.
Tip: Many agencies use Copyscape Premium for screening content writers. In one agency case study, plagiarism dropped from 40% to below 2% after mandatory Copyscape checks. An e-commerce company also used batch search to locate 300 stolen product descriptions across the web, helping them file takedowns and reclaim traffic.
PlagSpotter –
PlagSpotter is another popular tool for checking duplicate content very similar to Copyscape. You can try PlagSpotter for 7 whole days using their free trial, and then pay from $3.95 per month for up to 50 monthly searches. You can also calculate your monthly budget; the fee increases depending on the monitoring frequency and number of URLs you request.
Some of the features include: The ability to scan and check your entire site for duplicate content, generate a list of sources and percentage of matched content, originality of content taken from duplicate content reports and more.
Tip: A blogging network case study showed that PlagSpotter helped discover that 60% of their tutorials had been copied by scraper sites. After notifying hosts using automated reports, their original articles regained ranking positions and organic traffic improved by 22% over three months.
Siteliner –
The last tool in my top 3 is a simple tool called Siteliner. Siteliner doesn’t just allow you to check your site for duplicate content, but also broken links, XML sitemap and much more. The free version allows you to scan your site once every 30 days and a maximum of 250 pages, and of course there’s also a premium service. The premium service allows you to purchase credits; each credit is used to scan one page of your site, so for example, if you wanted to scan 500 pages you’d need to purchase 500 credits. The site states credits must be used within 12 months of purchase.
Tip: A SaaS company used Siteliner to identify duplicate product descriptions across 1,100 pages of their site, created by CMS templates. After rewriting them, organic traffic increased by 40% and bounce rate decreased significantly. Another travel blog used Siteliner to fix broken links, reducing 404 errors and improving crawlability.
So if you’re unsure whether your content has been scraped or not, or you want to check the authenticity of an article someone submitted for guest posting, one of these tools should work a treat for you.
Tip: A professional blogging case study found that regularly screening guest posts prevented SEO penalties and helped maintain editorial standards. Bloggers who integrated plagiarism tools into their workflow spent less time rewriting rejected content and more time publishing high-value material that generated traffic, leads, and revenue.
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