6 Best Backlink Monitoring Tools That Actually Catch Lost Links

Every month, somewhere between 5% and 15% of your backlinks quietly disappear. Pages get redeleted. Editors swap rel="dofollow" for rel="nofollow" after a quarterly content review. Anchor text gets changed from your money keyword to “click here.” Whole sites get redesigned and your guest post vanishes into a 404.

You almost never notice in real time. You notice three months later, when rankings drop, and the link you paid $400 for is already gone.

A backlink monitoring tool is the cheapest insurance policy you can buy on link-building spend. The good ones cost less per month than a single link placement and tell you when something changes, before a rankings drop catches you off-guard.

As SaaS link-building agnecy owner I have used many backlink monitoring software for various use cases. And I finally decided to write an article to help whoever is looking for this kind of a tool, and if it fits your workflow or not just which one has the slickest homepage.

Wait – are you actually looking for backlink monitoring tool?

There are three closely related tool categories and Google’s SERP for “backlink monitoring” mixes them up. Make sure you’re in the right guide before you read further.

The fastest way to know which one you need:

Does the cost of finding out a link is gone three months too late hurt you? If yes, you need monitoring.

If you just want to verify one link right now, a free checker will do.

If you want competitive intelligence on a domain’s whole backlink profile, that’s analysis, A completely different product category.

If you’re here for monitoring, keep reading.

The 6 best backlink monitoring tools, At a glance

The full comparison is below this table; this is the 30-second version for skimmers.

Pricing and features pulled directly from each tool’s pricing page as of May 2026. Now the detail.

1. LinkWatchr

Best overall for SEOs and agencies who want flexible, credit-based monitoring.

Best for: Anyone managing 500 to 50,000 backlinks who doesn’t want to be punished by flat-rate “X links per tier” pricing. The default pick if you also manage clients.

Click around the demo below –  this is the actual product dashboard, not a screenshot.

LinkWatchr is built on a credit-based model that flips how backlink monitoring tools are priced. Most tools cap the number of links you can monitor per plan: 500, 2,500, 5,500. LinkWatchr caps the number of checks you run per month. That single difference is why it scales gracefully from a freelancer monitoring 200 links to an agency managing 30,000 across 40 clients.

The other thing it does differently: per-project check schedules. Your money keyword anchors get checked daily. Your low-priority tier-2 links get checked monthly. You don’t burn credits over-monitoring a link that hasn’t changed in two years.

What it monitors:

• Link removal (alert fires the moment the link disappears)
• Dofollow → Nofollow / Sponsored / UGC status changes
• Anchor text changes (with exact before/after diff)
• HTTP status codes (200, 301, 404, 410, etc.)
• Google + Other search sngine index status of the referring page
• Last-checked timestamp + full historical log per link

Plans and capacity:

* “Unlimited links” means you can store as many as you want; credits only meter the checks. A weekly check on 1,000 links costs ~4,000 credits/month – well within the Starter allowance. Or you can buy more credits.

Where it shines:

• Multi-client agencies – each client gets an isolated workspace; clients only see their own data; team members get Editor or View-only roles per workspace.
• High-value campaigns – set daily checks on the 50 anchors that matter, monthly checks on the 4,000 that don’t, and stop overpaying.
• Spreadsheet escapees – custom columns let you store cost, vendor, campaign tag, ROI estimates, or anything else you used to track in Google Sheets, alongside the link.

Where it falls short:

• No free-forever plan – there’s a 14-day trial with 1,000 credits and no credit card, but no permanent free tier like BacklinkMonitor.com offers.
• Slack alerts and API access are on the roadmap, not shipped yet. If you need either today, you’ll be waiting.

Why monitoring matters for ROI: Every link you lose silently is link-building budget evaporating. We break this down in detail in Link building ROI: how to actually measure it and why lost links hurt link velocity signals.

2. BacklinkMonitor.com

Best free-forever plan for solo SEOs

Best for: Solo SEOs and bloggers monitoring under 500 links on a single site who want a free entry point without a credit card.

BacklinkMonitor.com is the closest thing to a “no excuses” backlink monitor. The free plan is genuinely free forever (20 backlinks, 1 domain, no card), checks run every 24–48 hours, and Slack alerts unlock as soon as you upgrade past the Starter tier.

What it monitors:

• Anchor text changes
• Rel attribute changes (dofollow / nofollow)
• HTTP status codes (404, 410, etc.)
• Link removal
• Status-change alerts via email and Slack

Plans and capacity:

API access: Not available.
White-label client portal: Not available.

Where it shines:

• Genuine free tier for personal sites or single-client testing.
• Slack alerts from the $24.99/mo Pro tier useful for teams who live in Slack.

Where it falls short:

• The 24–48 hour check window means a link could be down for almost two days before you hear about it.
• Cancel your subscription and you lose access to historical data no read-only archive.

3. BacklinkMonitor.co

Best for agencies that need client-facing shareable reports

Best for: Link building agencies whose number-one workflow is proving to clients that the links they paid for are still live.

Despite the similar name, this is a different product from BacklinkMonitor.com and it solves a different problem. BacklinkMonitor.co is built around the agency-client relationship. Its standout feature: public, shareable list URLs. You give a client a single link, they see a live, always-updated dashboard of every backlink you’ve built for them without logging in, without seeing other clients, without you sending a weekly screenshot.

It also tracks something the others mostly skip: whether the referring page is actually indexed in Google. A backlink on an unindexed page is, for SEO purposes, not really a backlink.

What it monitors:

• Anchor text + rel attribute changes
• HTTP errors (301, 404, 410, redirects, robots.txt issues)
• Google index status of the referring page
• List-based bulk monitoring with unlimited lists per account
• Full historical change logs per link

Plans and capacity:

Add-ons: Link Discovery ($19/mo)
Backlink Indexing ($19/mo)
Website Indexing ($9/domain/mo).

Slack integration: Not available.
Webhooks: Not available.

Where it shines:

• Shareable client lists – your single most powerful trust-building artifact as an agency.
• Index-status tracking – catches the “link is live but the page is deindexed” failure mode.
• Add-on architecture – pay for indexing or discovery features only if you need them.

Where it falls short:

• Checks are scheduled (weekly or monthly), not continuous.
• No Slack or webhook integrations, email only.
• Even on the highest plans, the Backlink Indexer is capped at 1 domain.

4. BacklinkPilot

Best free link-building CRM for outreach teams

Best for: Outreach teams currently managing link partners in a Google Sheet. Not the right pick for discovery or broad monitoring it’s the right pick for tracking links you’ve already built or arranged.

BacklinkPilot positions itself as a “link building CRM,” not a monitor. The mental model is: you input the links you’ve built (or are negotiating), the tool verifies they stay live and stay dofollow, and you manage the partnership alongside the link. It replaces the messy “client × partner × link × status” spreadsheet most outreach teams maintain.

The free plan is unusually generous: 500 links, monthly checks. For small agencies, that’s the whole product.

What it monitors:

• Whether each link you’ve built is still live
• Whether the link is still dofollow (catches surprise nofollow conversions by editors)
• Invalid / broken link detection
• Per-partner and per-client aggregation

Plans and capacity:

Where it shines:

• Replaces the Google Sheet that every outreach team eventually breaks.
• Generous free plan – enough for many small agencies to operate indefinitely.
• Built by Wayfront (the team behind Service Provider Pro), so the security/infra story is more solid than typical no-code MVPs.

Where it falls short:

• It does not discover new backlinks. You input what you’ve built; it doesn’t crawl for new ones.
• Monthly checks on the free tier means alerts can lag a full month behind reality.
• Alerting is basic, no Slack, no webhooks, no granular alert routing.

5. LinkBox.Pro

Best pay-as-you-go option for advanced link builders

Best for: Technical link builders running tiered campaigns (PBNs, Tier-2 link networks) who want to pay per check instead of per month and want one dashboard that ingests data from Google Search Console, Ahrefs, Semrush, and Majestic at once.

LinkBox.Pro is the densest tool in this list. Its pricing is per-action (1 link check costs about $0.001), and it adds capabilities most monitors don’t have: Tier 1 vs Tier 2 segmentation, anchor-distribution analysis with natural-profile detection, and a built-in backlink indexer that claims around 96% indexation within 48 hours.

What it monitors:

• Link presence + anchor + rel
• HTTP response codes + redirect chains
• Robots.txt, meta-nofollow, meta-noindex, canonicals, X-robots-tag
• Google index status (per page, per link)
• Tier 1 and Tier 2 backlinks separately
• Cross-data from Google Search Console, Ahrefs, Semrush, Majestic, Serpstat

Pricing (pay-as-you-go):

Credit pack: $1 = 100 credits.
Signup bonus: 100 free credits.
No monthly subscription required.

API access: Available.
Flat monthly tier: Not available (pay-as-you-go only).

Where it shines:

• The cheapest option if your monitoring volume is unpredictable or seasonal you pay only for what you check.
• The only tool here with built-in tiered link tracking PBN operators won’t find that elsewhere.
• Multi-source data import is genuinely useful for power users who already have Ahrefs / Semrush subscriptions.

Where it falls short:

• No monthly cap means costs can balloon if you start running aggressive daily checks across large datasets.
• The UI is dense and assumes you know what a “Tier 2 anchor distribution” is beginners will bounce.
• Alert delivery is mostly in-app; email is referenced but routing/granularity options aren’t well-documented.

6. Posticy

Best hybrid for buyers who want a marketplace + monitoring in one place

Best for: Marketers actively buying guest posts or sponsored content who want monitoring on the same dashboard. Honest reframe: Posticy is primarily a marketplace, not a pure monitor but the monitoring it bundles is good enough that it earns a spot here for the right reader.

Most of this list is “pure monitor.” Posticy isn’t. It’s a B2B marketplace connecting marketers to publishers for guest posts, sponsored content, and advertorials, with 0% commission (you pay publishers directly). Backlink monitoring is included in every plan even the free one and it watches the links you’ve placed through the platform plus any you manually add.

If you already run a placement-buying workflow, having monitoring built into the marketplace is genuinely valuable. If you don’t buy placements at all, pick something else.

What it monitors:

• Google indexation status of placed links
• Moz, Ahrefs, Similarweb metrics on the referring page (DR, PA, Spam Score)
• Anchor text and target-page changes
• Landing page health (404 detection on your target URL)
• Email reports on link status changes

Plans and capacity:

Discovery of organic / earned backlinks: Not available (only tracks what you place via the marketplace).
Slack integration: Not available.

Where it shines:

• Single platform for buying and monitoring placements cuts out a second subscription.
• 0% commission marketplace your money goes to the publisher, not the middleman.
• Even the free tier gets full monitoring.

Where it falls short:

• It doesn’t discover backlinks you didn’t already know about. If you want broad organic backlink monitoring, you’ll need a second tool.
• Marketplace proposal caps on lower plans (5 on Free, 10 on Pro) get limiting fast at scale.
• Monitoring frequency/depth is secondary to the marketplace it’s “good enough,” not best-in-class.

Check our roundup of the best backlink marketplaces and our guide to contextual link building to see where it fits in your stack.

Which backlink monitoring tool should *you* actually pick?

Six tools is too many to be useful as a decision. So here’s a single-paragraph diagnostic:

• Choose LinkWatchr if you want flexible per-project scheduling, multi-client workspaces, and pay-for-what-you-use pricing without hard link caps. Default pick for most serious SEOs and agencies.
• Choose BacklinkMonitor.com if you want a real free-forever plan for a personal site or under 20 links.
• Choose BacklinkMonitor.co if your single most important workflow is showing clients shareable proof their links are still live.
• Choose BacklinkPilot if your monitoring is downstream of outreach and you just want to track partnerships you’ve already built.
• Choose LinkBox.Pro if you run tiered/PBN campaigns or want pay-per-check pricing with deep technical detail.
• Choose Posticy if you’re already buying placements through a marketplace and want monitoring bundled in.

Or use the budget/volume matrix:

Don’t want to monitor links yourself? We’ll build them, and monitor them – for you.

If you’re reading a guide on monitoring backlinks, there’s a decent chance you’re in one of two camps: you’re buying links from an agency and want to make sure you’re getting what you paid for, or you’re trying to build links in-house and burning hours on it.

Here’s a third option.

Jeenam builds links you don’t have to monitor. Our packages start at $1,250/month for 5 high-quality backlinks and scale to 10, 20, and 30 backlinks per month. Every link we place is guaranteed for a full year if it gets removed, we know immediately (we use monitoring on every link we deliver), and we either reinstate it or replace it at no cost.

You don’t need to pay for a separate monitoring tool for links we deliver. Monitoring is included for the life of the guarantee.

Not sure how to vet a link building partner?

Read our framework for hiring a link building agency and our breakdown of when outsourcing link building actually makes sense.

Frequently asked questions

What is the best free backlink monitoring tool?

BacklinkMonitor.com offers the most generous free-forever plan 20 backlinks on 1 domain, no credit card required. BacklinkPilot’s free tier is larger (500 links, monthly checks) if you only need to track links you’ve already built rather than monitor newly discovered ones. LinkWatchr offers a 14-day full-feature trial with 1,000 free credits.

How often should I monitor my backlinks?

For high-value money links (anchored with target keywords, paid placements, or links on high-DR domains), daily checks are reasonable. For tier-2 links and long-tail backlinks, weekly or monthly is fine. The point of per-link scheduling which LinkWatchr and LinkBox.Pro both support is so you don’t waste budget over-checking low-priority links.

What’s the difference between a backlink monitor and a backlink checker?

A backlink monitor runs continuously and alerts you when something changes link removed, anchor changed, status changed. A backlink checker is a one-time tool: you ask “does X site link to Y site right now?” and it returns yes/no with the anchor and rel attribute. Monitors are subscriptions; checkers are usually free.

Can I monitor competitor backlinks?

Yes, but with a caveat. Monitoring tools watch a specific list of links you provide they don’t discover competitor backlinks on their own. For competitor backlink discovery, you need a backlink analysis tool like Ahrefs, Semrush, or Majestic. Once you’ve pulled a competitor’s link list from one of those, you can feed it into a monitor to track changes over time.

How do backlink monitoring tools detect link removal?

The tool periodically crawls the referring page, parses its HTML or JS render, and checks whether a link to your target URL is still present. If it’s gone, the alert fires. Better tools also check whether the page itself still exists (404 / 410 / 301), whether the rel attribute changed, and whether the anchor text was edited. Frequency depends on your plan anywhere from minutes to monthly.