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SEOptimer is a DIY SEO audit and reporting tool that grades websites and generates white-label PDF reports for agencies and small businesses.
We're honest. SEOptimer is a great tool with real advantages — pick the one that fits your workflow.
SEOptimer and SlapMyWeb occupy the same broad space — point a tool at a URL, get an SEO report — but they aim at different jobs. SEOptimer built its reputation on white-label reporting: agencies run an audit, slap their own logo on a clean PDF, and send it to a client or prospect. Its embeddable audit widget extends that into lead generation, letting agencies capture emails by offering free audits on their own sites. SlapMyWeb positions itself as an audit engine first: the product's core promise is depth (240+ checks across 11 pillars) plus an AI layer that translates findings into plain-English verdicts and generates the actual fix code. White-label and multi-client workspaces exist on SlapMyWeb's Agency tier, but they sit on top of the audit engine rather than being the headline. If you think of SEOptimer as a reporting and client-communication tool with an audit inside, and SlapMyWeb as an audit and remediation tool with reporting on top, the positioning difference becomes clear. Both are legitimate framings; which one matters depends on whether your bottleneck is producing reports or actually fixing sites.
SEOptimer's audit covers the established fundamentals: on-page SEO, usability, performance, social presence, and basic security. It is deliberately scoped so a non-technical reader can absorb the whole report in a few minutes, and recommendations are written in accessible language. SlapMyWeb goes considerably wider: its 240+ checks span crawl and indexation, on-page, content quality, link architecture, mobile UX, Core Web Vitals, structured data validation, international SEO, authority signals, SERP factors, and AI search readiness. Several of those pillars have no equivalent in SEOptimer — notably GEO scoring (how visible your site is to ChatGPT and Perplexity-style engines), WCAG 2.2 AA accessibility auditing via axe-core, and dedicated security and compliance checks. The other structural difference is remediation. SEOptimer tells you what's wrong and recommends what to do; SlapMyWeb generates the fix code itself, which collapses the gap between reading the report and shipping the change. SEOptimer's tradeoff is real, though: a tighter report is easier to hand to a client, and it has had years to tune its checks against real-world sites.
SEOptimer's paid plans start around $29/mo, and notably that entry tier already includes white-label reporting — historically one of the cheapest ways for a small agency to get branded audit PDFs. Embedding and API access sit on higher tiers. SlapMyWeb's ladder starts lower: anonymous visitors get 3 scans a day with no signup, the free account gives 10 scans a day with the full issue list and a branded PDF, Pro is $9/mo and unlocks full fix code, keyword research, and rank tracking, and Agency at $29/mo adds white-label, multi-client workspaces, bulk scanning, and backlink analytics. So at the same ~$29 price point, SlapMyWeb's Agency tier bundles more (workspaces, bulk scan, backlinks) while SEOptimer's strength at that price is its polished report customization and the lead-gen widget on higher plans. For a freelancer or in-house marketer who just needs deep audits and fixes, SlapMyWeb's $9 Pro is the cheaper path. For an agency whose primary deliverable is the branded report itself, both land at a similar monthly cost and the decision comes down to features rather than price.
SEOptimer serves agencies and consultants whose workflow revolves around client communication: run an audit, brand the PDF, send it, win or retain the account. Its multi-language reports suit agencies with international clients, and the embeddable widget suits anyone using free audits as a lead magnet. It also works well for small business owners who want a readable, non-intimidating overview of their site's SEO health. SlapMyWeb serves people who have to actually fix the site — developers, technical marketers, and agencies that deliver implementation, not just reports. The fix-code generation, accessibility and security modules, and GEO scoring are aimed at teams that treat an audit as a work queue rather than a sales document. Its Agency tier covers the white-label and multi-client use case too, but the product assumes the reader will act on findings. One honest caveat: SlapMyWeb launched in 2026, so its integrations ecosystem is smaller and there's no long historical dataset behind it — if you want a tool with a decade of community answers on every quirk, SEOptimer has that advantage today.
These tools overlap enough that most buyers should pick one, not both. Choose SEOptimer if your core deliverable is the report: it's a mature, well-liked tool whose white-label PDFs, multi-language support, and embeddable lead-gen widget are genuinely good at turning audits into client conversations. Choose SlapMyWeb if your core deliverable is the fix: deeper coverage (240+ checks including accessibility, security, and AI search readiness), AI verdicts that prioritize the work, and generated fix code that shortens the path from finding to deploy — at $9/mo for Pro versus ~$29/mo for SEOptimer's entry paid plan. Agencies sit in the middle: if you mostly sell audits, SEOptimer's reporting polish wins; if you sell implementation and want one tool that audits, prioritizes, and hands your developers code, SlapMyWeb's Agency tier at the same ~$29 price is the stronger bundle. Try SlapMyWeb's free tier first — 10 scans a day with the full issue list costs nothing and tells you quickly whether the extra depth matters for your sites.
Pick SlapMyWeb when you need audit depth and remediation: 240+ checks including accessibility, security, and AI search readiness, with generated fix code and a prioritized plan. It's also the cheaper route to keywords and rank tracking at $9/mo, and its $29 Agency tier bundles white-label, multi-client workspaces, and backlinks.
Pick SEOptimer if your business runs on branded client reports: its white-label PDFs are polished, support multiple languages, and come in at the entry paid price. The embeddable audit widget is also a proven lead-generation play that SlapMyWeb doesn't offer, and as a long-established product it carries less new-tool risk.