What is the LinkBuilder link building extension?

Check Link Price is a free browser extension by LinkBuilder.com. It shows guest post and sponsored article prices, sellers and SEO metrics for a domain — on the website itself, in Google search results and in Ahrefs, Semrush, Moz, Majestic and Serpstat reports.

Who is this link builder extension for?

For SEO specialists, link builders, digital PR specialists, marketers, outreach teams and agencies who buy guest posts or sponsored placements and need to qualify websites quickly. Outreach teams use it as an outreach Chrome extension: check price and sellers before contacting a site.

Is it a backlink checker extension?

It is a backlink price checker: instead of listing links, it shows what a placement on a domain costs and who sells it, next to every domain in your backlink reports and in Google results.

Which browsers and SEO tools does it work with?

It works in Google Chrome and Mozilla Firefox: on any website, in Google search results, in Ahrefs Site Explorer, Semrush Backlink Analytics, Moz and Moz Pro, Majestic Site Explorer and Serpstat Backlink Analysis.

Where do the backlink prices come from?

From the LinkBuilder.com database of 400,000+ websites across 140+ countries with offers from multiple sellers and marketplaces. For each domain you see the sellers, the placement type, the price and the date of the offer.

Install the extension for your browser, sign in with your LinkBuilder account, then open Google, Ahrefs or any website — prices appear next to each domain.

Is the extension free?

Yes. Check Link Price is free to install in Chrome and Firefox. You sign in with your LinkBuilder.com account to see prices and sellers.

Check Link Price by LinkBuilder.com

Link Building Chrome & Firefox Extension

LinkBuilder adds live guest post and sponsored article prices directly into Google Search, Ahrefs, Semrush, Serpstat, Moz and Majestic — so you can qualify websites in seconds instead of opening dozens of tabs.

Install the Free extension:

Add to Chrome Add to Firefox

One link builder extension. All your SEO research.

Check Link Price by LinkBuilder.com

Check Link Price is the free link building extension by LinkBuilder.com for Chrome and Firefox, made for SEOs, link builders, digital PR specialists, marketers, agencies, and outreach teams. It instantly shows whether a domain offers guest posts, sponsored posts, sponsored articles, or paid backlink placements, who sells them, and how much they cost.

Instead of opening several marketplaces, checking seller after seller, or wondering whether a website accepts sponsored content, you get an answer in a matter of seconds — right on the page you’re viewing, right in Google search results, and next to each domain in Ahrefs, Semrush, Moz, Majestic, or Serpstat reports.

It works as a backlink price checker inside your SEO tools: in each supported SEO tool, the extension adds price information next to each domain in reports on external links, referring domains, and other reports, so you can quickly evaluate hundreds of potential clients. You get the data you need without leaving the page.

400,000+ Websites in Database

Access pricing and placement data from LinkBuilder’s extensive database of 400,000+ websites across 140+ countries.

Multiple Trusted Marketplaces

Compare offers from multiple sellers and marketplaces to find available placements and the best price for your link-building campaign.

Instant Results

See placement availability, sellers, SEO metrics and backlink prices in seconds — without switching between tools or opening extra tabs.

Check link prices directly where you find and analyze websites:

In Google search results

See guest post sellers and backlink prices next to every search result.

Any website in your browser

Open a website and instantly check whether placements are available, who sells them, and what they cost.

In top SEO tools

Ahrefs Site Explorer In Overview, Backlinks, Referring Domains, Top Pages and other reports
Semrush Backlink Analytics In Overview, Backlinks, Referring Domains
Moz and Moz Pro In Moz Domain Analysis and Moz Pro Link Explorer
Majestic Site Explorer In Backlinks and Referring Domains
Serpstat Backlink Analysis In Domains and Backlinks reports

Ahrefs backlink report with a link price column added by the LinkBuilder extension

Prospect faster. Compare offers. Save time.

What you can do with Check Link Price

If you’re engaged in link building, outreach, digital PR, competitor analysis, or budget planning for link-building campaigns, this link building extension will help you work much faster.

Check whether a website sells guest posts, sponsored publications, sponsored articles, or backlink placement.
See how many sellers, marketplaces, or providers offer this domain
Check the prices for backlinks and the prices for sponsored placement from different sellers
Compare offers to find the best price faster
Save time on searching for links and establishing contacts
Select suitable websites before adding them to the list for establishing contacts
Analyze competitors’ domains and check whether their placements are available for purchase
View link prices and information about sellers directly in Google search results
Check the prices for links for each domain in the reports of Ahrefs, Semrush, Moz, Majestic, and Serpstat.
Instantly evaluate promising websites and competitors’ backlinks without leaving the report.

Start checking backlink prices today!

Install the free LinkBuilder extension Check Link Price now and instantly see who sells placements on a domain, whether guest posts or sponsored articles are available, and what the current backlink prices look like — directly on the page, in Google search results, and inside Ahrefs, Semrush, Moz, Majestic, and Serpstat.

Install the extension
Sign in with your LinkBuilder account
Open Google, Ahrefs or any website

Chrome Extension

Get LinkBuilder directly in your Chrome browser and check link prices wherever you work. Free to install and ready to use in seconds.

Add to Chrome

Firefox Extension

Add LinkBuilder to Firefox and see backlink and guest post prices without switching between tabs. Install for free and start prospecting faster.

Add to Firefox

Link building extension FAQ

Answers about Check Link Price, the LinkBuilder extension for Chrome and Firefox.

Check Link Price is a free browser extension by LinkBuilder.com. It shows guest post and sponsored article prices, sellers and SEO metrics for a domain — on the website itself, in Google search results and in Ahrefs, Semrush, Moz, Majestic and Serpstat reports.

Ready to Save Up to 70% on Guest Posts?

Transform your link-building strategy with LinkBuilder.com! Access the world's largest guest post marketplace, compare prices from top sellers, and unlock over 445,000+ unique websites across 140+ countries. Utilize our advanced filters to find the perfect platforms and supercharge your outreach. Try Now No credit card required

Don't miss out - create your free account now and start outperforming your competitors!