🌐 researchgate.uk 403
Checked: just now 🔗 Visit site
↪
This domain forwards to researchgate.net (checked 0d ago)
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
403
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
N/A
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 223d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
81.28.232.45
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
44 mob
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 44
▼
Mobile
44
Score
81
Accessibility
81
Best Practices
100
SEO
LCP 9.64s
CLS 0.000
FCP 6.35s
TTFB 0.00s
TBT 616ms
SI 6.35s
Desktop
68
Score
81
Accessibility
59
Best Practices
100
SEO
LCP 1.13s
CLS 0.000
FCP 0.73s
TTFB 0.00s
TBT 1,322ms
SI 1.09s
Checked: 2026-09-04 08:43:57.741925 · View on PageSpeed
🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
▼

No technologies detected

📸 Screenshot Processing...
▼
⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
▼
A (IPv4)81.28.232.45
NSns2.variomedia.dens1.variomedia.de
MX10 mail.variomedia.de
TXT (1)
v=spf1 include:spf.variomedia.de ?all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
▼
RegistrarVariomedia AG
Registered2019-06-06
Expires2027-06-06 (in 223 days)
Last Updated2026-06-03
Statusactive
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Invalid / Missing
▼
Subject (CN)N/A
IssuerN/A
Valid FromN/A
Valid UntilN/A
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
▼
Status403
Servercloudflare
Content-Typetext/html; charset=UTF-8
Final URLhttps://www.researchgate.net/
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
referrer-policysame-origin
cache-controlprivate, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-raya5019c449cb3c5ae-IAD
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
▼
IP Address81.28.232.45
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score D (3/7)
▼
Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
▼
No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
▼

No meta tags detected.

📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
▼
SPF✓ Present
v=spf1 include:spf.variomedia.de ?all
DMARCNot set
MX Records
10 → mail.variomedia.de
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 14 active 1 for sale 8 available
▼
.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev Available
.app Available
.me Available
.biz ●
.eu ●
.xyz ●
.fi Available
.se Available
.de ●
.uk current
.fr taken
.nl ●
.es Available
.it Available
.us ●
.ca ●
.com.au Available
.co.uk ●
📡 Uptime Monitor
▼
Current Status 🟢 Client Error
HTTP Status 403
Response Time 136ms
Last Checked 2026-10-21 18:01:02.774942
Uptime (30d) 100%