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For Agencies

Stop using premium tools
on basic tasks.

Your agency may pay hundreds per month for Semrush or Ahrefs plans (for example $299 for Semrush Pro+ or $249 for Ahrefs Standard, both on monthly billing as of November 2026) built for deep competitive research, not quick client audits. Use SEO Site Checker free for the everyday work and save your premium plan for what it's actually built for.

Run a Free Client Audit → Browse All Tools

No account required  ·  No per-client fees  ·  Unlimited audits  ·  140+ free tools

Which tool fits which agency task
Quick on-page audit for new client Possible with Semrush's Site Audit
More than needed Free on SSC
Domain authority + WhoIs check Ahrefs' free Website Authority Checker shows Domain Rating
Domain Rating: free Free on SSC
Compress 20 client images Not what Semrush/Ahrefs are built for
Manual workaround Free on SSC
Keyword research & backlink gap analysis This is what Semrush/Ahrefs is for
Use premium tool Worth the plan
💡 Use SSC for the first three tasks, which need no paid plan. Save your premium tool for the fourth, the work it's actually built for.
Honest Positioning

Where SEO Site Checker fits into an agency tool stack

We're not going to tell you to cancel Semrush. We will tell you exactly which tasks don't need it and can be done free instead.

✓ Use SEO Site Checker for
Everyday free tasks
  • 🔍 Quick on-page audits during client onboarding
  • 🏷️ Checking meta tags on all client pages before delivery
  • 🖼️ Compressing client images before uploading, no limits
  • 🌐 Domain authority checks for client and competitor research
  • 🔎 WhoIs lookups on prospect and competitor domains
  • ⚠️ Blacklist checks for new clients' domains
  • 📤 Open Graph setup for every client's key pages
  • 💻 JSON/XML formatting for developer work on client projects
  • 📱 QR codes for client print and offline materials
  • 📸 Website screenshots for client presentations and reports
→ Keep using your premium tool for
Deep competitive work
  • 🔑 Keyword research at scale with full database access
  • 🔗 Backlink analysis and link gap identification
  • 📊 Daily keyword rank tracking across client portfolios
  • 🏆 Competitor traffic and SERP analysis
  • 📋 White-label client reports, where your platform offers them
  • 🤖 AI content tools and topic research
  • 👥 Multi-seat team collaboration features
  • 📈 Historical ranking data and trend analysis
Agency Onboarding Workflow

The free audit checklist for every new client

1

Run a pre-contract audit

Before you write a proposal, audit the client's site with the SEO Score Checker. Walk into the pitch with real data from current SEO score, critical issues and quick wins. Clients respect agencies that already understand their website.

Website SEO Score Checker →
2

Check domain profile and health

Domain authority baseline, WhoIs registration data, blacklist status, all checked in under 3 minutes. Blacklisted domains or unusually old/new domains need to be flagged in your onboarding report before work begins.

Domain Authority Checker →
3

Audit all key pages for meta issues

Run the top 10-15 client pages through the Meta Tag Analyzer. Document every page with a missing, duplicate, or over-length meta title or description. This becomes your Week 1 quick-wins deliverable, high-visibility fixes you can complete fast and show value immediately.

Meta Tag Analyzer →
4

Optimise all client images

Image optimisation is one of the most demonstrable quick wins an agency can deliver. Download the largest images from the client's site, run them through the compressor, re-upload. Clients see the speed improvement immediately, it builds confidence before the longer-term SEO work pays off.

Image Compressor →
5

Fix social sharing setup

Generate Open Graph and Twitter Card tags for the client's homepage and key landing pages. Most clients have never thought about this and when they see their link previews looking polished on LinkedIn and Facebook, they notice. It's a 10-minute task that makes a visible difference.

Open Graph Generator →
The Strategic Fit

Save premium tool bandwidth for the work that actually needs it.

Many agencies reach for Semrush or Ahrefs for everything out of habit, including tasks where a free tool works equally well. Their paid plans are built for deep competitive research (as of November 2026, Semrush Pro+ covers 15 websites and 1,500 keywords, and Ahrefs Standard tracks 2,000 keywords), so that is the work to spend them on.

Using SEO Site Checker for quick audits, meta checks, image compression, and domain lookups is a workflow optimisation, not a downgrade. Your premium tool stays available for keyword research, backlink analysis, and rank tracking work that genuinely requires it.

🏢 What agency teams use most

  • Website SEO Score Checker: every new client onboarding
  • Meta Tag Analyzer: before every page delivery or site launch
  • Image Compressor: batch-processing all client image assets
  • Domain Authority Checker: competitive research baseline
  • Blacklist Checker: new client domain health screening
  • WhoIs Lookup: competitor domain research
  • Open Graph Generator: social meta setup for every client
  • Website Screenshot Generator: for client reports and presentations
Agency Use Cases

How different agency roles use these free tools

From account managers to developers, different team members reach for different tools.

Onboarding
📋
Account Manager: New Client Intake
Before the first strategy call, run a quick audit on the client's site and check their domain profile. Walk in knowing their SEO score, top issues, and domain authority. Sets a professional tone and saves the discovery call for strategy discussion, not fact-finding.
  • Website SEO Score Checker
  • Domain Authority Checker
  • Blacklist Checker
  • WhoIs Lookup
Delivery
🚀
SEO Specialist: Quick Win Delivery
In the first two weeks of an engagement, quick wins build client confidence. Meta tag fixes, image compression, and Open Graph setup are fast, visible, and zero-cost. Deliver them early and save the monthly SEO tool budget for the keyword and backlink work clients actually pay for.
  • Meta Tag Analyzer & Generator
  • Image Compressor
  • Open Graph Generator
  • Twitter Card Generator
Reporting
📊
Account Manager: Monthly Reporting
Re-audit the client's site monthly to document improvement over time. Download PDF reports to include as supporting evidence in monthly reviews. Track domain authority changes as a supplementary KPI alongside rank tracking data from your premium tool.
  • Website SEO Score Checker (re-audit)
  • Domain Authority Checker (baseline tracking)
  • Website Screenshot Generator (report visuals)
Dev / Technical
💻
Developer: Technical Project Work
JSON formatting for structured data and API work, XML tools for sitemap and feed tasks, HTML/CSS/JS minifiers for page speed optimisation, binary converters for technical projects. All browser-based, no install, free for every team member on every project.
  • JSON Formatter & Validator
  • XML Formatter & Converter
  • HTML / CSS / JS Minifiers
  • Binary & Hex Converters
The Full Agency Toolkit

Every tool your agency uses for free organised by use case

No seat limits, no project caps. Every team member can use every tool on every client project.

🔍
Essential
Website SEO Score Checker
Full on-page audit for any client URL. Use at onboarding, mid-engagement, and delivery. PDF downloadable. No project limits, audit every client site as often as needed.
Use tool →
🏷️
Essential
Meta Tag Analyzer
Check every client page for meta tag issues. One of the fastest and most visible quick wins you can deliver and it's completely free across all client sites.
Use tool →
🖼️
Essential
Image Compressor
Batch-compress client images before any upload. A consistently high-impact quick win that clients notice immediately through faster load times.
Use tool →
🌐
Essential
Domain Authority Checker
Check client and competitor DA for onboarding reports, competitive analysis, and monthly reporting. Free baseline metric to track alongside your premium tool's rank data.
Use tool →
📤
Essential
Open Graph Generator
Set up OG tags for every client's key pages. A fast deliverable in Week 1 that visibly improves how clients appear when their links are shared on social media.
Use tool →
⚠️
Essential
Blacklist Checker
Screen every new client's domain for blacklist issues at onboarding. Catching a blacklisted domain early saves the client weeks of email deliverability problems.
Use tool →
🔎
Essential
WhoIs Lookup
Research client competitors and prospect domains including registration age, registrar and hosting. Useful context for competitive analysis without opening a premium tool.
Use tool →
📸
Useful
Website Screenshot Generator
Capture full-page screenshots of client sites and competitors for inclusion in monthly reports, proposals, and before/after documentation.
Use tool →
💻
Useful
JSON Formatter & Validator
Format, validate, and debug JSON for structured data, API integrations, and config work across client technical projects. Browser-based, no install.
Use tool →
🗂️
Useful
XML Formatter
Format and validate XML sitemaps, RSS feeds, and data files. Includes XML-to-JSON converter. Useful for developers managing client technical SEO tasks.
Use tool →
📱
Useful
QR Code Generator
Generate QR codes for client campaigns, print materials, events, and packaging. Free, instant and no watermark, useful across every agency client type.
Use tool →
📋
Useful
Meta Tag Generator
Write and preview optimised meta titles and descriptions for client pages. Hand finished tags directly to clients or developers with confidence.
Use tool →
The Real Cost

What agencies pay for tools and what SEO Site Checker costs

The tools below are worth paying for when you use their core features. But if a free tool already covers a task, that task is not a reason to buy or upgrade a plan. Prices are each vendor's published plan prices as of November 2026. Yearly totals are our arithmetic from the per-month prices (monthly price times 12), except where a vendor shows its own yearly figure. The big figure on each card is monthly billing, and the line under it also gives the annual price. On each of the three paid plans below, monthly billing costs about 20 to 25 percent more than the annual price (our arithmetic).

SEO Site Checker
$0
Unlimited audits · No project caps · No per-seat fees
  • ✓ On-page SEO audits - unlimited
  • ✓ Meta tag analyzer & generator
  • ✓ Image compressor - no upload limits
  • ✓ Domain authority + WhoIs + blacklist
  • ✓ Open Graph & Twitter Card tools
  • ✓ JSON, XML, dev utility tools
FAQ

Questions from agency teams

Can multiple team members use SEO Site Checker? +
Yes, there are no seat restrictions and no per-user fees. Any team member can use any tool from any browser without signing in to a shared account. For teams that want to share PDF reports and track usage, each team member can create their own free account (no cost, no credit card). There is no paid account tier, all accounts are permanently free.
Can we run audits on client sites without owning the domain? +
Yes. The Website SEO Score Checker audits any publicly accessible URL, you don't need to own the domain, have CMS access, or verify ownership. Just enter the URL and run the audit. This makes it useful for pre-pitch research, competitive audits, and quickly checking a prospect's site before a discovery call.
Is SEO Site Checker a replacement for Semrush or Ahrefs? +
No, and we'd be misleading you if we said it was. Semrush and Ahrefs are built for keyword research, backlink analysis, and rank tracking at scale. SEO Site Checker is built for on-page audits, meta tag work, image optimisation, domain lookups, and developer utilities. The two complement each other. The practical value for agencies is using SEO Site Checker for the tasks it covers for free, and reserving your premium tool for the competitive intelligence work that genuinely requires it.
Can we download audit reports to include in client deliverables? +
Yes. A free account (no cost, no credit card) unlocks PDF report downloads for SEO audit results. The reports are clean and can be attached to client onboarding documents, monthly reports, or proposals. They're not white-labelled, the SEO Site Checker branding is present on the PDFs. If you need fully white-labelled client reports, a paid platform that offers white-label reporting is the right choice for that.
How many client sites can we audit? +
Unlimited. There are no project caps, no client limits, and no per-site charges. A free account gives you up to 100 tool uses per day. For agencies with large client rosters running daily audits, multiple free accounts can be created for different team members or client groups, all at no cost.
Does SEO Site Checker support white-label reporting? +
Not currently. White-label reporting, where reports show only your agency's branding, is offered by some paid platforms, for example SE Ranking (Agency Pack add-on, from $69 a month billed annually) and Sitechecker.pro (Premium plan, $449 a month on monthly billing), as of November 2026. For agency-branded deliverables, you'll need a paid platform with white-label reporting for that specific output. SEO Site Checker's PDF reports include its own branding, which works fine for internal use or informal client updates, but not for branded client-facing reports.

Start using it on your next client

No account needed. No per-client fees. Audit any URL in under 60 seconds.

  • Unlimited client site audits
  • No per-seat or per-project fees
  • PDF reports with free account
  • Meta tag & domain tools
  • Image compressor, no upload limits
  • Open Graph generator
  • JSON / XML / dev tools
Run a Free Client Audit →
Related Pages

More from SEO Site Checker

⚡

SEO Site Checker vs Semrush

Full honest comparison, where Semrush is worth the cost and where SEO Site Checker covers the same ground free.

 🔗

SEO Site Checker vs Ahrefs

Ahrefs starts at $29 a month and its Standard plan is $249 on monthly billing (November 2026). See what's different and where free tools cover the gap.

 🧑‍💻

SEO Tools for Freelancers

Passing work to a freelancer? This page is built for them same tools, no project limits, fully free.

 💻

SEO Tools for Developers

Your dev team will use the JSON, XML, minifier, and binary tools constantly. This page is built for them.

Use your premium tool
for what it's built for.

Let SEO Site Checker handle the everyday tasks for free, unlimited and instantly available for every team member.

Run a Free Client Audit → Browse All Tools

No account required  ·  No per-seat fees  ·  No project limits  ·  No paid plans

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