SEO tools
Ahrefs vs Semrush: which to choose in 2026
Both tools do keywords, site audits, rank tracking and link research. The choice depends on the job you do most, not on a feature count.
In short
Choose Ahrefs if backlink research, competitor link gaps and content discovery drive your work. Choose Semrush if you want one suite that also covers paid search research, local listings and wider marketing reporting. Neither replaces Google Search Console, which holds your real search data. If you only run one site, start with Search Console and add a paid tool when a specific question needs it.
The short version
Ahrefs grew out of a backlink crawler, and links are still where it feels strongest. Semrush grew as a broader marketing suite, and it shows in the number of modules beyond SEO. Both have caught up with each other many times, so any feature table you read goes out of date within a few months.
What stays stable is the shape of each tool. That shape is what we use to decide, so this page compares shapes, not checkboxes. Plans, limits and prices change often, so check each vendor's current plan page before you buy.
What each tool is built around
- Ahrefs: Site Explorer for any domain's links and top pages, Keywords Explorer, Content Explorer for pages that attracted links, Site Audit, Rank Tracker, and an AI visibility product. A free Webmaster Tools tier covers your own verified site.
- Semrush: Keyword Magic Tool, Position Tracking, Site Audit, Backlink Analytics, advertising and traffic research on competitors, content and listing tools, and an AI visibility toolkit. A limited free account exists.
- Shared ground: keyword volume and difficulty scores, competitor domain overviews, scheduled crawls, exportable reports.
Both report keyword volume and difficulty as estimates built on their own models. The scores will not match each other or Google, and they should not be treated as facts.
Decision table by project shape
We sort tools by the kind of site we are working on. The rows below use the shapes of real projects on our work page as reference points. The lean is our judgment of where each tool's strengths fit, not a record of which subscription any one client ran.
| Project shape | Main job | Lean toward | Why |
|---|---|---|---|
| Single-product Shopify launch, like Belvra | Find a handful of buying and education terms | Either, or neither at first | Few keywords. Search Console data after launch matters more than a paid seat. |
| Skincare store with a growing catalog, like Blume | Category and product-term gaps against rivals | Semrush | Position tracking by keyword group and competitor overviews suit ecommerce reporting. |
| Manufacturer catalog, like Asian Packaging | Win low-volume, high-intent B2B terms | Ahrefs | Link gap and top-pages views show which pages rivals earned links to. |
| Education-led store, like A'YUCO or VK Magic | Topic ideas that build trust before a sale | Ahrefs | Content Explorer shows which how-to pages earned links in the niche. |
| Single-location service business or clinic | Local terms, citations, listing consistency | Semrush | Listing and local tracking tools are closer to hand. |
| App or SaaS growth, like ADDA | Mix of paid and organic competitor research | Semrush | Advertising research sits next to organic data. |
| Established site fighting for links | Outreach targets and link-gap lists | Ahrefs | Backlink data and filters are its core strength. |
What neither tool tells you
Neither tool can see your site's real impressions, clicks, average position or indexing status. Only Google Search Console has those, and it is free. We report SEO work from the client's own Search Console for that reason. Third-party tools help you decide what to target. Search Console tells you what happened.
A simple check keeps you honest. Take 20 keywords your site already ranks for, compare each tool's volume and position to Search Console impressions and position, and note which tool sits closer to reality for your market. In some countries and languages, one tool's data is clearly thinner. Read Search Console vs GA4 for how the free tools split the work.
A two-hour bake-off
- Pick one real questionFor example: which three competitors outrank us on our core category, and why.
- Answer it in both toolsUse trial access in each. Time how long it takes and how confident you feel in the result.
- Compare keyword volumesRun the 20-keyword check against Search Console.
- Run a crawlAudit the same site in both and see which issues you agree with. Dismiss false alarms in each.
- Check export and reportingConfirm you can pull data into a spreadsheet or report without extra fees.
Whichever tool leaves you with the clearer next action wins, even if its feature list is shorter.
What it costs to switch
Moving data is easy. Keyword lists and reports export as CSV files. The real loss is history: your rank tracking record and saved projects stay in the old tool, and a new tool starts a fresh baseline.
If you plan to move, export your rank history first and run both tools together for one or two months. That overlap lets you map the old numbers to the new ones, so a drop is not mistaken for a ranking change.
Do you need either one
Not always. A small site with a clear offer can plan content from Search Console queries, customer questions and a free webmaster tool. Pay for a suite when you have a recurring question the free data cannot answer, such as who links to your rivals.
If you hire an SEO provider, ask which tools they use and whether you receive the exports. Our approach is to start with an SEO audit and agree the tooling in the proposal. Contact us to get a fixed quote after a short call.
Updated 30 October 2026
Questions, answered
Which is cheaper, Ahrefs or Semrush?
Which has more accurate keyword data?
Is Ahrefs better for backlinks?
Can I use free tools instead?
Do agencies need both?
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