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https://20min.ch

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
93
GRADE
A
FIX
0
REVIEW
3
PASS
5
INFO
1
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
5 PASS 3 REVIEW
B
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
REVIEW
www/non-www, trailing slash, HTTP→HTTPS
Critical::
Both www and non-www versions serve content
Got: Both variants return 200 Expected: One variant 301-redirects to the other
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

200https://www.20min.ch/
200https://20min.ch/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://20min.ch/ → https://www.20min.ch/

Consistent

B
TLS Certificate Expiry & Recommendations
59 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

59
days left
0d 30d 60d 90d+

Recommended actions

  • Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
  • Enable DNSSEC on your domain for DNS spoofing protection
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
B
CDN & Delivery
Cloudflare
REVIEW
Cloudflare
Info::
Site is served via Cloudflare CDN (edge: CDG)
Got: cf-ray: 9f07b6381cb7d479-CDG
CDN Detected: Cloudflare
Provider Cloudflare Evidence cf-ray: 9f07b6381cb7d479-CDG
A+
DNS Records
2 A records, 68 ms lookup
PASS
2 A records, 68 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 104.18.12.189, 104.18.13.189
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2606:4700::6812:cbd, 2606:4700::6812:dbd
Info::
2 nameserver(s) configured
Got: june.ns.cloudflare.com, jermaine.ns.cloudflare.com
Info::
5 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 68 ms
Got: 68 ms
A104.18.12.189, 104.18.13.189
AAAA2606:4700::6812:cbd, 2606:4700::6812:dbd
CNAME—
NSjune.ns.cloudflare.com, jermaine.ns.cloudflare.com
MX
1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
TXT
SPF v=spf1 include:_spf.google.com include:_spf.tamedia.ch include:_spfip.aspectra.c...
google-site-verification=McAgp6evnf-Ghf2j9w3syxzyf5HzRrC832cjlJMYfGU
pinterest-site-verification=cb41aaced5b3208023f249b0cfe9edb5
google-site-verification=eaHEhQqyR3SPE2fpaVxFHiXi7n6Y6BYTuUvs3pZ8hIQ
openai-domain-verification=dv-Iqxri4zBQ6MusORKiqc8Yvtg
atlassian-domain-verification=eDjiodyNS9u0waBxq9xSxu6C9SgQ2bq0cYSAHRokS5StdyYMqi...
google-site-verification=G5BXXGCMnYQVWKQuK-WpZVs2vNqFQwTOHiIW_j8HFFw
google-site-verification=zi_84NHDe09Ti-NjWQqawclH5R_mFh4VjTPpXSAhmDQ
CAALookup not available with standard resolver
Resolved in 68 ms

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

A
Redirect Chain
1 redirect(s), 175 ms total
PASS
1 redirect(s), 175 ms total
Info::
Single redirect
Got: https://20min.ch → https://www.20min.ch/ (301)
Info::
WWW normalization redirect

https://20min.ch

59 ms · HTTP/1.1

301

https://www.20min.ch/

116 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://20min.ch30159 msHTTP/1.1cloudflare
2https://www.20min.ch/200116 msHTTP/1.1

See the visual redirect chain in the HTTP Probe tab →

A+
IPv6 Readiness
IPv6 reachable (17 ms)
PASS
IPv6 reachable (17 ms)
Info::
IPv6 is configured and reachable at 2606:4700::6812:cbd, 2606:4700::6812:dbd
Got: 17 ms connect
IPv6 Ready
AAAA Records 2606:4700::6812:cbd, 2606:4700::6812:dbd Connection Reachable (17 ms)
A+
Crawlability
robots.txt present, sitemap with 153 URLs
PASS
robots.txt present, sitemap with 153 URLs
Info::
robots.txt is present
Got: 3337 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 153 entries
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 3337 B Sitemaps referenced 9 User-agents BLP_bbot, anthropic-ai, Claude-Web, Deepseek-V3, PerplexityBot, peer_39_crawler/1.0, Mediapartners-Google, Google-CloudVertexBot, Applebot-Extended, magpie-crawler, meta-externalagent, AhrefsBot, Amazonbot, omgilibot, omgili, OAI-SearchBot, NewsNow, peer39_crawler, DataForSeoBot, sentibot, dotbot, Scrapy, CCBot, ClaudeBot, Diffbot, *, Bytespider, cohere-ai, GPTBot, Google-Extended, FacebookBot, DeepSeek-V3, news-please, Meta-ExternalAgent, Meta-ExternalFetcher, SEMrushBot Blocking No — crawling allowed
# Updated Aug 2025

User-Agent: *
Disallow: /cmd/
Disallow: /.well-known/
Disallow: /*.json
Disallow: /static-assets/
Disallow: /*search$
Disallow: /*comment/

User-Agent: Mediapartners-Google
Disallow: /cmd/
Disallow: /.well-known/
Disallow: /*.json
Disallow: /static-assets/
Disallow: /*search$
Allow: /*comment/

# AI Data Scrapers

User-agent: Amazonbot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Bytespider
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: cohere-ai
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: CCBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: GPTBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: anthropic-ai
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Google-CloudVertexBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Google-Extended
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Applebot-Extended
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: omgilibot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: omgili
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: ClaudeBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Claude-Web
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Deepseek-V3
User-agent: DeepSeek-V3
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: PerplexityBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Diffbot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: OAI-SearchBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: NewsNow
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: news-please
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Meta-ExternalAgent
User-agent: meta-externalagent
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: Meta-ExternalFetcher
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

User-agent: FacebookBot
Disallow: /*story*
Disallow: /*video*
Disallow: /*comment/
Allow: /

# Intelligence Gatherers

User-agent: magpie-crawler
Disallow: /

User-agent: BLP_bbot
Disallow: /

User-agent: sentibot
Disallow: /

User-agent: peer_39_crawler/1.0
User-agent: peer39_crawler
Disallow: /

# SEO Crawlers

User-agent: dotbot
Disallow: /

User-agent: SEMrushBot
Disallow: /

User-agent: Scrapy
Disallow: /

User-Agent: AhrefsBot
Disallow: /

User-agent: DataForSeoBot
Disallow: /

Sitemap: https://www.20min.ch/sitemaps/de/news.xml
Sitemap: https://www.20min.ch/sitemaps/de/articles.xml
Sitemap: https://www.20min.ch/sitemaps/de/videos.xml
Sitemap: https://www.20min.ch/sitemaps/de/navigation.xml
Sitemap: https://www.20min.ch/sitemaps/de/sports-center/news.xml
Sitemap: https://www.20min.ch/sitemaps/fr/news.xml
Sitemap: https://www.20min.ch/sitemaps/fr/videos.xml
Sitemap: https://www.20min.ch/sitemaps/fr/articles.xml
Sitemap: https://www.20min.ch/sitemaps/fr/navigation.xml
sitemap.xml 200 OK
Type URL Set URLs 153 entries Valid XML Yes
Sample URLs:
A+
HTTP Probe Timing
Total 112 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
55 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
16 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
22 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
112 ms
Total Time Total request time from DNS lookup through full response.
112 ms

Connection waterfall

DNS Lookup 55 ms TCP Connect 16 ms TLS Handshake 22 ms Server Processing 18 ms Content Transfer 0 ms
Domain Intelligence
Domain intelligence data not available
INFO
Domain intelligence data not available

RDAP and WHOIS lookup both failed

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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