• Mia
• October 1, 2026
• No Comments

Most freelancers who buy an SEO subscription use roughly 15 percent of what they're paying for. The dashboards are beautiful, the data is extensive, and after a fortnight everyone drifts back to pasting a competitor URL in once a week and calling it strategy. For this test I committed to using Semrush properly for 90 days, logging every feature touched, every change made because of its data, and every ranking shift that followed. Three sites were in scope. A Shopify home-fragrance brand I run on the side, a small Devon-based tradesman client, and a London-based bookkeeping sole trader.

I'd been a casual Semrush user for years, but mostly for keyword lookups and the occasional backlink audit. This time the goal was to see whether the £119.95 per month Pro plan paid for itself in 90 days against real client work and a tiny ecommerce site that was already ranking for two long-tail terms but nothing commercial. The honest finding is that it did, by a comfortable margin, but not because of the features Semrush markets hardest. The ones that worked were less glamorous, more boring, and more useful than the AI tools everyone talks about in 2026.

Keyword Magic Tool Earned Its Keep in Week One

The marketing pushes AI-driven content assistance, but in testing, the oldest unglamorous feature in the Semrush catalogue delivered the best ROI. Keyword Magic Tool pulled 1,840 related terms around "soy candle" within the UK database on day one. Filtered to keyword difficulty under 35 and search volume above 90, it surfaced 23 commercial-intent terms the client's product pages weren't targeting at all. "Non-toxic candles UK" at 320 monthly searches, KD 28. "Soy wax melts for small living room" at 110 searches, KD 22. "Clean-burning candles for asthma" at 170 searches, KD 31. These weren't guesses. They were already in the data.

Within six weeks of rewriting three product pages and adding a long-form landing page targeting the "asthma" angle, the Shopify shop was ranking in position 7 for the asthma term and position 12 for the non-toxic term. Neither had moved before. Position 7 on 170 monthly searches is roughly 15 to 20 clicks per month at typical CTR, which converts at the shop's 2.1 percent rate to a sale or two every six weeks. One candle sale clears about £14 net. The feature doesn't need to deliver 50 sales a month to justify its share of the subscription. It needs to deliver one or two with low effort, repeated across clients.

Site Audit: The Boring One That Actually Mattered

Site Audit is the feature freelancers skip because it looks like a shopping list of warnings. In practice, running the full crawl on the Devon tradesman site surfaced 142 errors, most of them legitimate. 38 broken internal links from a plugin update three months prior. 17 pages with duplicate meta descriptions auto-generated by Yoast's fallback. A canonical pointing from the services page to the homepage, which was quietly cannibalising rankings for the services term. One hour of my time to fix these three categories moved the services page from position 11 to position 6 within three weeks, measured against a term worth roughly £1,100 in average client value per lead.

The caveat is that Site Audit over-flags issues. It will tell you an H1 is "too long" when it's actually fine for the page's purpose. Treat the critical and high-severity flags as action items. Treat the notices as background noise unless something specific jumps out. The two weeks I spent as a new user chasing low-value warnings taught me to filter aggressively. Once filtered properly, Site Audit became the single most time-efficient tool in the subscription, delivering an obvious client-reportable win within an hour of the first crawl.

Position Tracking Changed What I Reported to Clients

Freelancers who report rankings monthly tend to cherry-pick the two keywords that moved up and leave out the ten that didn't. Position Tracking on Semrush shuts that habit down fast, because the data is right there and the trend line is visible across 90 days. I set up 25 keywords for each of the three sites. The bookkeeping client's "self assessment accountant London" term, which the previous freelancer had positioned as a target, was flatlining at position 42. Three competitor pages the tracker surfaced in the SERP overlap view all had something the client's page lacked, which was a dedicated FAQ block and a case-study schema markup.

I added both to the client's page over two sessions. The term moved to position 24 within a month, position 16 within two months, and sat at position 11 by the end of the 90 days. Will it hit page one? Possibly, probably not without link building. But showing the client a graph that climbs from 42 to 11 across the test window is a measurable, honest, defensible report. Freelancers who need to retain clients longer than three invoices benefit from this feature more than any other. Clients buy continued work when the data looks like the work is actually working.

Backlink Analytics Was Useful, But Less Than Expected

The marketing pushes backlink analytics heavily, and I spent two full weeks examining competitor link profiles for all three sites. Honestly, this is where the subscription earned its reputation but delivered the least immediate ROI. Semrush showed me that the bookkeeping client's main competitor had 42 referring domains versus the client's 8, which is useful context. The problem is that acquiring domains is slow, costs money or time, and the resulting ranking impact lags by months. Across the 90 days, I managed to earn 4 new referring domains for the Devon tradesman via a local supplier directory push, which is a legitimate win, but it didn't visibly move rankings inside the test window.

Where backlink analytics did pay off was identifying toxic links from a 2019 outreach campaign the Devon client had forgotten about. Six low-quality directory links, two spammy guest posts, and one site that had since turned into a casino affiliate. Disavowing those took 20 minutes and might have contributed to the rankings lift seen after week six, though I can't prove causality. The tool is excellent. The time horizon on backlink work is longer than most 90-day tests will capture.

The AI Content Features Were a Mixed Bag

Semrush pushes its AI content tools hard, and I used them properly for 90 days to see what landed. The ContentShake AI drafts for the Shopify shop were readable but needed heavy rewriting to not sound like every other AI-generated candle blog. The topic research tool was more useful, surfacing content gaps the client sites could legitimately own. The SEO Writing Assistant was the most useful of the three, grading drafts in real time against competitor pages and flagging missing terms the human eye would miss. I'd rate the AI features as "worth trying" rather than "worth paying for standalone", but at the Pro plan tier they're bundled, so there's no reason not to use them.

What the Subscription Cost Versus What It Returned

Do's and Don'ts

Frequently Asked Questions

Is Semrush worth £119.95 per month for a UK freelancer

If you've got three or more active clients and you'll use it weekly, yes. If you're a part-time freelancer with one client, the £59.95 Guru tier at competitors or a cheaper tool like Ubersuggest will probably do.

What's the difference between Pro and Guru plans

Pro covers 5 projects, 500 keywords tracked, and 10,000 reports per day. Guru adds historical data, content marketing tools and multi-location tracking. Freelancers under 5 clients can usually live on Pro.

Can I use Semrush data to show clients where their money's going

Yes, that's arguably its best use. Position Tracking and Site Audit both produce clean exports that most SME clients find more trustworthy than generic analytics dashboards.

How does Semrush compare to Ahrefs for freelancers

Ahrefs has stronger backlink data and arguably cleaner UI. Semrush has broader features in one place, better position tracking, and a lower entry price. For solo freelancers, Semrush covers more ground.

Does Semrush work for local UK SEO

Yes. Position Tracking supports postcode-level targeting in the UK database, and the Listing Management tool integrates with major UK directories. It's genuinely useful for Devon or Edinburgh clients.

Is the free trial long enough to evaluate

The 7-day free trial on the Pro plan is enough to run one full Site Audit, set up Position Tracking, and test Keyword Magic. It's not enough to see ranking impact.

Can Semrush replace Google Search Console

No. GSC is still the ground truth for your own site's performance. Semrush is a competitor-aware layer on top. Use both.

What's the typical learning curve

Three or four hours of focused use to find the five features you'll actually need. Many freelancers over-complicate the first week by exploring everything.

Mia