Free tool · UK web designers & agencies
Free Heat Score Calculator – Qualify Web Design Leads by Website Quality
Enter any business URL and get a real website heat score — so you know who to contact first.
This heat score calculator checks live homepage signals — CMS, SSL, mobile performance, design age, and more. 3 free calculations per session; sign up for RexAI visual analysis and full scoring on scanned UK leads.
3 live URL checks per session · Real signal analysis · 25 free credits on signup
Why Heat Scores Matter for UK Web Designers
Manual prospecting means guessing who needs you. A web design lead qualification tool that ranks urgency stops you wasting Tuesdays on businesses that will not buy for years.
- Prioritise outreach — Contact Blazing and Hot prospects before Warm or Cold
- Lead with evidence — Reference real site flaws in cold email and calls
- Protect your time — Skip polished agencies when signals show low urgency
- Scale a patch — Pair scores with the Website Scanner for regional volume
| Tier | Score | What it means |
|---|---|---|
| Blazing | 80–100 | Very high potential — contact first |
| Hot | 65–79 | Strong opportunity — priority outreach |
| Warm | 35–64 | Worth reaching out when you have capacity |
| Cold | Below 35 | Lower priority |
Live Tool: Check Website Quality for Leads
Paste a prospect's URL below. LeadRex fetches the homepage and runs the same core signal checks used in-product — then returns a 0–100 website heat score and tier.
Free Heat Score calculator — live URL check
3 of 3 free calculations leftReal homepage analysis · CMS, SSL, mobile, design age & more · 15s cooldown between new URLs
How the Heat Score Works
Scores combine weighted signals. The free calculator runs a live homepage analysis. Full LeadRex adds RexAI — screenshots plus visual design and trust UX scoring — for a more complete picture.
Signals in the free calculator
- CMS detection and outdated WordPress / Joomla versions
- Site builder platforms (Wix, Squarespace, etc.)
- SSL and HTTPS availability
- Mobile viewport and meta structure
- Dated design and stale copyright or promo copy
- Cookie and privacy policy gaps
- Mobile speed (Google PageSpeed when available, otherwise homepage load time)
- No working site or parked domain detection
RexAI enhancement (full LeadRex)
RexAI captures a homepage screenshot and rates visual design quality, branding consistency, and trust UX. That can lower scores on sites that look fine in HTML but weak in practice — or confirm urgency on dated layouts.
Key Features
- Real URL analysis — Not a random demo score
- Blazing / Hot / Warm / Cold tiers — Clear next action
- Signal list — See why the score landed where it did
- Works with Website Scanner — Score entire UK regions after signup
- RexAI outreach — Draft emails from the same signals
Why This Beats Manual Checking
Opening every site in Chrome DevTools does not scale. This heat score calculator gives you a consistent, repeatable read in seconds.
| Approach | Time per prospect | Consistency | Verdict |
|---|---|---|---|
| Manual browse + guess | 10–20 min | Low | Does not scale |
| Generic lead lists | Instant | Stale / shared | Poor ROI |
| Free Heat Score tool | Under 1 min | Signal-based | Strong for qualification |
| Full LeadRex + RexAI | Seconds at scale | Live + visual | Best for pipeline |
Use the calculator to sanity-check a URL before a call. Use LeadRex to fill your week with Blazing and Hot leads from your target patch.
What UK Designers Say
Sarah Chen — Freelance designer, Manchester
"I run a URL through the calculator before replying to inbound enquiries. If they score Warm, I know to probe harder on the call."
North Studio — Bristol agency
"Heat Scores stopped us pitching polished charities while Blazing trades sat in the list untouched."
Peak Digital — Sheffield
"Pairing scores with RexAI means our outreach cites their actual CMS and mobile issues — reply rate went up sharply."
FAQ: Free Heat Score Calculator
Yes. You get 3 free live URL calculations per session on this page — real homepage analysis, not a demo number. Sign up for LeadRex for full scoring on scanned UK leads plus RexAI visual analysis.
A 0–100 urgency score showing how likely a business needs a new or redesigned website, based on signals like missing SSL, outdated CMS, slow mobile, dated design, and compliance gaps.
This tool analyses the homepage you enter. Full LeadRex adds RexAI screenshots and visual design scoring, regional scans, contact details, and outreach drafts — often refining Blazing vs Hot tiers.
CMS version and builder platforms, SSL, mobile readiness, meta and heading structure, design age, cookie and privacy gaps, parked domains, and mobile speed (PageSpeed when configured, otherwise homepage load time).
Any public business website over HTTP or HTTPS. Private networks and localhost are blocked for security.
Blazing (80–100) and Hot (65–79) are priority outreach tiers. Warm (35–64) is worth batching when you have capacity. Cold is lower urgency.
Yes — it helps UK designers decide who to contact first before spending time on manual audits or generic outreach.
Live crawling is resource-intensive. Three checks per session let you test real prospects; unlimited scoring lives inside LeadRex after signup.
More questions? See the full FAQ on the homepage.
Stop guessing which prospects need you first
3 free checks on this page. Unlimited Heat Scores, RexAI, and UK scans after signup.
No card required · Website Scanner · RexAI · Export leads