Booker
Every pick we publish stays online with its result — wins and losses, never amended retroactively. Football predictions across 609 leagues, 6 markets, daily.
What we found
- Analytics set tracking cookies before any opt-in, and we found no consent manager.
- It sends five of the six security headers we check; the missing one is Content-Security-Policy.
- DMARC only monitors (p=none), so email spoofing this domain is still delivered.
- Built with WordPress and PHP, the site is served through Cloudflare, with a domain registered in 2025.
Built with: 33 technologies
How it fits together
Each technology runs on, or extends, the one it sits under.
Each technology links to its own page: which other new sites launched with it.
Site checks
| Custom title and meta description | |
| Open Graph tags (title, image, description) | |
| Twitter card meta tags | |
| Canonical URL declared | |
| Responsive viewport meta tag | |
| Favicon present | |
| Semantic HTML (nav, main, article) |
| Referrer-Policy | |
| X-Frame-Options | |
| Permissions-Policy experimental | |
| X-Content-Type-Options | |
| Content-Security-Policy | |
| Strict-Transport-Security | |
| X-XSS-Protection deprecated, not counted |
| Privacy policy /privacy-statement-eu/ | |
| Terms of service /terms-of-use/ | |
| Consent manager not detected; analytics set tracking cookies on our visit with no opt-in step |
Mentions: GDPR, CCPA, Cookies, Data Controller, DPO, Do Not Sell
| robots.txt | |
| sitemap.xml 3 URLs | |
| security.txt optional | |
| llms.txt | |
| ads.txt only for ad-funded sites | |
| humans.txt optional |
| llms.txt published | |
| No AI bots blocked in robots.txt | |
| Content-Signal none declared | |
| Link headers none advertised |
| State | Record | Status |
|---|---|---|
| SPF ~all | Soft-fail (~all), common and accepted | |
| DMARC p=none | Monitoring only (p=none) | |
| DKIM | Not found at common selectors | |
| MTA-STS | Not deployed | |
| TLS-RPT | Not configured |
Hosting and network
| Network | CLOUDFLARENET - Cloudflare, Inc., US AS13335, US |
|---|---|
| DNS | Cloudflare DNS authoritative nameservers |
| DNSSEC | Not enabled DNS answers are unsigned |
| Certificate | Google Trust Services valid 17 Oct 2026 to 15 Jan 2027, as captured |
| Domain age | 1.8 years registered Feb 2025, Hosting Concepts B.V. d/b/a Registrar.eu |
| Green hosting | Yes per The Green Web Foundation |
| Page build | 23 JS files, 14 CSS files 14 third-party domains, code splitting |
| App manifest | Booker.bet display standalone; 2 icons |
| Brand colours |
Storage: 19 items
| Name | Lifetime | Set by |
|---|---|---|
| exitIntentFlag | session | - |
| guest_id | 1y | - |
| guest_id_ads | 1y | X (Twitter) Ads |
| guest_id_marketing | 1y | X (Twitter) Ads |
| muc_ads | 1y | X (Twitter) Ads |
| personalization_id | 1y | X (Twitter) Ads |
| sessionid | 1d | - |
| uid | 1y | - |
| wp-wpml_current_language | 1d | - |
| _ga | 1y | Google Analytics |
| _ga_P4G8354JLF | 1y | Google Analytics |
| _gcl_au | 3mo | Google Ads |
| _twpid | 1y | X (Twitter) Ads |
| _twsid | 1y | X (Twitter) Ads |
| __cf_bm | < 1h | Cloudflare |
| Key | Size | Set by |
|---|---|---|
| lp_visited-4832eac7-ed3e-47d8-a130-b223eab4cd5e | 4 B | - |
| _gcl_ls | 277 B | Google Ads |
| Key | Size | Set by |
|---|---|---|
| cmplz_user_data | 102 B | Complianz |
| masiou_chat_history_client-57 | 194 B | - |
Performance
| Measure | This site | Reading |
|---|---|---|
| Server response | 135 ms | good, faster than 80% of sites |
| Largest contentful paint | 3,216 ms | fair |
| Layout shift | 0.01 | good |
| Page weight | 2.2 MB | fair |
| Image weight | 58 KB | light |
| Images | 30 | 2 larger than shown, 27 without width and height, 26 without alt text |
| Third-party domains | 14 | |
| Console errors | 0 | none |
| Failed requests | 0 | none |
From a single automated render of the home page. A quick guide, not a substitute for Lighthouse or field data. How we measure
Notes
-
Looks AI-built: many AI signals.
How much the site looks AI-generated. It is a pattern match shown for interest, not a verdict.
Which signals fired
Signal Points AI onboarding signals +5 AI palette signals +5 AI writing signals +5 AI iconography signals +3 AI typography signals +15 AI layout signals +5 AI CSS signals +15 - Analytics set tracking cookies on our visit and no consent manager was detected. UK and EU GDPR require opt-in before tracking runs, and more than 20 US states require honouring opt-out requests.
- Performance comes from one render on 11 November 2026 and will vary between visits.
How we know
FirstSited records what new websites are built with, usually within a day of going live. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We checked this one in full: its tech stack, DNS, security headers and page basics. This page is what we saw on 11 November 2026; the live site may have changed since.
Every technology below links to its own page: which other new sites launched with it. Watch any of them and get every new site that uses it as it goes live, from £15 a month.

