Anchor text over-optimization is when too large a share of a site’s backlinks uses the same commercial or keyword text in the anchor. Google sees such a profile as artificial and may lower rankings or apply a link penalty. The fix is to dilute the profile with safe anchors and to disavow toxic links, but only as a last resort.
Key points in 30 seconds
- Over-optimization is an abnormally high share of exact-match commercial anchors such as “buy cheap windows.”
- A relatively safe share of exact-match commercial anchors is usually up to 10–15% of the profile.
- You diagnose it from the anchor distribution in Ahrefs and Google Search Console and how it lines up with ranking drops.
- The main fix: dilution with branded and non-keyword links; disavow is a last resort.
- Abrupt changes without a plan can deepen the drop instead of fixing it.
What anchor text over-optimization is and why it is dangerous
Anchor text is the visible text of a link. Google uses it as a relevance signal: if links pointing to a page about PVC windows use the text “PVC windows,” the search engine concludes the page is about windows. The problem starts when there are too many of these exact-match commercial anchors. A natural link profile is always varied: the brand, a naked URL, “read here,” random phrases. A profile where dozens of links repeat one commercial phrase sounds like a choir that only knows one note. It looks bought and falls under Google’s spam algorithms (historically Penguin, now link evaluation built into the core algorithm). More on anchors themselves in the article what is anchor text.
Google’s official position here is unambiguous. Its spam policies define link spam as creating links to or from a site primarily for the purpose of manipulating rankings. The explicit examples include buying links for ranking purposes, excessive link exchanges, automated programs that create links, and large-scale guest posting campaigns with keyword-rich anchor text links. In other words, an over-optimized anchor profile isn’t a “technical imperfection”; it is the visible footprint of exactly the practices Google describes as violations.
Signs of over-optimization: how to spot it
Over-optimization rarely appears out of nowhere: it is usually preceded by aggressive link buying. These signs should raise a flag:
- The share of exact-match commercial anchors exceeds 20–25% of the profile.
- The same phrase repeats in anchors dozens of times.
- Commercial anchors grew sharply over a short period.
- Rankings dropped specifically for the commercial queries you are promoting, not across the whole site.
- Google Search Console shows a manual action notice mentioning unnatural links.
Less obvious signals that are easy to miss
The overall share of exact-match anchors can look fine while the problem hides in the details. During audits we check several more patterns separately:
- Page-level skew. The domain has 8% exact-match anchors, but 60% of links to one online-store category use the same keyword. The penalty hits that specific page.
- Sitewide links. One referring domain with a footer link produces hundreds of identical anchors. By referring domains it’s a single link, but in raw numbers it’s an avalanche of keyword anchors.
- No brand. The site has existed for years, yet there are almost no branded anchors. For a real company that’s unnatural, even if exact-match anchors are few.
- Off-topic referring sites. An anchor like “turnkey apartment renovation” on a cooking blog or a general directory is a classic sign of a paid placement. Nobody expects a renovation crew between the pancake recipe and the sourdough tips.
- Template variations. “Buy windows Kyiv,” “buy windows in Kyiv,” “windows buy Kyiv” are technically different anchors, but to an algorithm they are the same keyword.
If, on the other hand, you see lots of commercial anchors you never ordered, coming from adult sites or auto-generated pages, that’s most likely ordinary web noise or a negative SEO attempt, not your own over-optimization. Ahrefs rightly distinguishes between “spammy,” “manipulative,” and “toxic” links: spammy links you didn’t create usually aren’t a problem, and Google’s warnings are about manipulative ones.
How Google reacts to anchor over-optimization
Many site owners still expect a “ban” or a letter from Google. In practice, the reaction is usually quiet. In its December 2022 link spam update announcement, Google explained that it uses SpamBrain, its AI-based system, to neutralize the impact of unnatural links: whatever value they passed is simply lost. Hence the typical picture: rankings for commercial queries slowly slide, even though there are no notices in Search Console.
| Criterion | Algorithmic neutralization | Manual action |
| How you find out | Only from ranking and traffic trends | A notice in Search Console |
| What happens | Suspicious links stop passing value | Sanctions on pages or the whole site |
| When it shows up | Often coincides with core or spam updates | After review by a Google employee |
| What to do | Dilution, new quality links | Cleanup, disavow, reconsideration request |
An important practical takeaway: if links have already been neutralized, removing or disavowing them won’t “bring anything back.” Rankings recover when the site earns new, natural link value and the profile stops looking manipulative. That’s why a recovery plan is built around building, not around cleanup.
Diagnosis: the Links report in Search Console
Start with the free source that reflects what Google itself sees. The Links report in Search Console shows which pages on your site get the most external links, which sites link most often, and what the most common linking text is. We covered how to set up and read the other console reports in our article on Google Search Console setup.
- Open “Links” → the “Top linking text” block and export the full list.
- Check whether commercial keywords appear among the first 10–20 rows. In a healthy profile, the top is usually the brand, the domain, and generic phrases.
- In the “Top linked pages” block, check whether links are concentrated on one or two commercial pages.
- Under “Security & Manual Actions,” make sure there are no notices about unnatural links.
The report’s limitation: it doesn’t give shares as percentages and doesn’t show when links appeared. So for precise numbers it is supplemented with data from SEO tools.
How to calculate the share of commercial anchors
Diagnosis continues with exporting and classifying anchors. The process:
- Export anchors: Ahrefs → Anchors report, or Google Search Console → “Links” → “Top linking text.” Free options are collected in our list of SEO tools.
- Split anchors into types: branded, non-keyword (URL, “here,” “this way”), generic, partial-match (LSI), and exact-match commercial. To avoid doing it by hand, paste the list into our anchor text analyzer.
- Calculate each type’s share of the total, preferably by referring domain, so sitewide links don’t distort the picture.
- Compare against the approximate benchmarks below.
| Anchor type | Example | Approximate share |
| Branded | “Links Buy”, brand name | 30–40% |
| Non-keyword / URL | “here”, site.ua | 20–30% |
| Generic | “read more”, “this service” | 15–25% |
| Partial-match (LSI) | “link buying services” | 10–20% |
| Exact-match commercial | “buy crowd links” | up to 10–15% |
These shares are approximate and depend on the niche, competition, and competitors’ profiles. First look at how anchors are distributed across the top 10 for your query, and work from the median rather than an abstract norm. The classification method and examples of anchor types are described in detail in the guides by Ahrefs and Semrush.
Match the drop against update dates
A high share of exact-match anchors doesn’t by itself prove that it caused the drop. The next step is to overlay your traffic graph on the update timeline from the official Google Search Status Dashboard. If the drop in commercial queries coincides with a spam or core update while informational pages were unaffected, the over-optimization hypothesis becomes much more likely. If traffic fell site-wide on the day a new template was released, look for a technical cause. Tempting as it is, you can’t blame everything on the anchors. The full troubleshooting process is in our article rankings dropped: how to find the cause.
What to do about over-optimization: dilution vs disavow
There are two tools, and confusing them is an expensive mistake. Dilution lowers the share of exact-match anchors by adding safe ones. Disavow tells Google to ignore links. When the over-optimization comes from your own commercial anchors, dilution is what works. There is no need to disavow normal links just because their anchor is “inconvenient.” Google’s own disavow documentation says that in most cases Google can assess which links to trust without additional guidance, so most sites won’t need the tool, and that it is an advanced feature to be used with caution.
| Criterion | Dilution | Disavow |
| When to use | Over-optimization with your own commercial anchors | Clearly toxic, spammy links |
| Main risk | Low | High if the list is careless |
| Time to effect | 1–3 months | 1–3 months (requires recrawling) |
| Reversibility | Full | Hard to roll back |
In practice, you first freeze buying exact-match anchors, then spend 2–3 months building branded, non-keyword and generic links. The fastest and safest way to dilute a profile is with crowd links: in real discussions, anchors naturally come out branded or non-keyword. Disavow is left for later and applied selectively, only to obvious spam. Think scalpel, not lawnmower. If the site is already penalized, disavow is combined with penalty recovery.
From our practice
Dilution works better when new links differ not only in anchor text but also in type. In our check of 16.5 thousand forums in October 2026, among the 2,765 forums where external links are present, 49% make them dofollow, 32% nofollow/ugc, 10% use a mixed setup, and 8% pass links through a redirect. So a forum campaign naturally produces a mix of attributes that’s hard to achieve with marketplace articles. We don’t try to “squeeze out” dofollow only: a profile where 100% of new links are the same type also looks engineered.
Recovery plan: step by step
Below is the sequence we follow when a site with an over-optimized profile comes to us. The timelines are approximate: they depend on the size of the profile and how often Google recrawls the linking pages.
- Week 1: emergency stop. Halt all orders with exact-match anchors, including those already paid for and awaiting publication. Ask contractors for a full list of placements.
- Weeks 1–2: inventory. Combine Search Console and SEO-tool data into one table: referring site, target page, anchor, type, date. Calculate shares for the domain and for each page that dropped.
- Week 2: what you can change. Where you have contact with the site owner (partners, your own projects, guest posts), ask them to replace the exact-match anchor with the brand or URL. It’s the fastest way to lower the share without new links.
- Weeks 2–3: targeted disavow. Only for blatantly spammy domains: link farms, auto-generated sites, obvious networks. Don’t disavow normal topical referring sites just because their anchor is commercial.
- Months 1–3: dilution. Build a new anchor text plan focused on brand, URL, and generic anchors, with no exact-match anchors at all. Build at a steady pace without spikes; we covered safe pacing in the article is a sudden spike in links harmful.
- In parallel: the pages. Make sure the pages that dropped really are the best answer to the query: update the content, internal links, and meta tags. Ask Google to recrawl the updated pages via the URL Inspection tool; as Google notes, recrawling can take anywhere from a few days to a few weeks.
- Months 3–4: review. Recalculate the shares and compare commercial-query rankings with the starting point. Only after things stabilize, gradually bring back partial-match anchors; add exact-match ones sparingly, or not at all.
If Search Console shows a manual action, a reconsideration request is added to this plan. It should briefly and honestly describe which links you found, what was removed, what was disavowed, and how you will prevent it from happening again.
Example: an over-optimized vs a fixed profile
To make it concrete, here is a hypothetical example for a company selling PVC windows in Kyiv. On the left is a typical profile after several months of buying “done-for-you” articles; on the right, the same profile after dilution.
| Anchor type | Bad profile | Fixed profile | Examples after the fix |
| Exact-match commercial | ~35% | ~5% | “PVC windows Kyiv,” only a few old placements |
| Partial-match | ~10% | ~15% | “where to order PVC windows with installation” |
| Branded | ~5% | ~35% | “Vikna Plus”, “at Vikna Plus” |
| Non-keyword / URL | ~10% | ~25% | “vikna-plus.ua”, “here”, “on their site” |
| Generic | ~5% | ~15% | “here’s their price list”, “more details from them” |
| Template keyword variations | ~35% | ~5% | leftovers of old “buy windows in Kyiv” |
Note two things. First, in the bad profile the template variations add another third on top of the formally “exact” anchors; together they make up two thirds of the profile. Second, the fixed profile doesn’t eliminate commercial intent: partial-match anchors keep the topical signal, but wrapped in natural language.
Recovery case study
After active link buying, an online store ended up with 34% exact-match commercial anchors and a 40% traffic drop after a regular update. The plan: freeze exact-match anchors, build branded and crowd links for three months, and bring the exact-match share down to 12%. Disavow was applied only to 40 link-farm domains; normal links were left alone. The first improvements appeared after 10 weeks, and by the fourth month rankings had almost fully recovered. The moral: over-optimization is fixed with patience and dilution. Panicked mass disavowing helps about as much as jabbing the elevator button repeatedly. How to tell harmful links from normal ones is covered in the article on which links hurt your site.
How to keep over-optimization from coming back
- Keep a single register of all links: who placed them, where, with what anchor, and when.
- Set anchors for contractors yourself instead of leaving them “up to the copywriter.”
- Recalculate shares once a month, for the domain and for 5–10 key pages.
- Keep exact-match anchors below the competitors’ median, not at the level of the leader with the most aggressive profile.
- Follow Google’s SEO link best practices: anchor text should be descriptive and relevant, not a string of keywords.
From our practice
Diluting links need to sit on live sites, or they change very little. In our check, out of 7,872 forums with a visible last-post date, only 58% had new posts within the last 3 months. Google may not recrawl a link in an abandoned thread for years, so for dilution we use only active forums and threads where the discussion is ongoing, and the client sees the URL of every placement in the report.
If you are only building a profile from scratch, start with the basics, what is link building, and plan an anchor text plan in advance so you never reach over-optimization.
If rankings dropped after a link purchase or Search Console showed a links warning, we will diagnose your anchor profile, calculate the shares, and draw up a dilution plan: discuss your project and penalty recovery. For safe profile dilution, use crowd links with natural anchors, from UAH 70 per link; see pricing for details.
Sources
- Google Search Central: Spam policies for Google web search: definition of link spam
- Google Search Central Blog: December 2022 link spam update: SpamBrain and link neutralization
- Search Console Help: Links report
- Search Console Help: Disavow links to your site
- Google Search Central: Ask Google to recrawl your URLs
- Google Search Status Dashboard: Ranking updates history
- Google Search Central: SEO link best practices
- Ahrefs: Toxic Backlinks: spammy vs manipulative vs toxic links
- Ahrefs: Anchor Text
- Semrush: Anchor Text
