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https://swissinfo.ch

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
77
GRADE
C
FIX
2
REVIEW
2
PASS
4
INFO
1
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
4 PASS 2 REVIEW 2 FIX
F
Redirect Chain
Action
3 redirect(s), 2726 ms total
FIX
3 redirect(s), 2726 ms total
Warning::
3 redirects before reaching final URL
Each redirect adds latency. Try to minimize the chain to 1 hop.
Info::
WWW normalization redirect
Warning::
Redirect overhead: 2726 ms total
Got: 2726 ms

https://swissinfo.ch

7 ms · HTTP/1.1

301

https://www.swissinfo.ch/

279 ms · HTTP/1.1

301

https://www.swissinfo.ch/eng

325 ms · HTTP/1.1

301

https://www.swissinfo.ch/eng/

2116 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://swissinfo.ch3017 msHTTP/1.1nginx
2https://www.swissinfo.ch/301279 msHTTP/1.1nginx
3https://www.swissinfo.ch/eng301325 msHTTP/1.1nginx
4https://www.swissinfo.ch/eng/2002116 msHTTP/1.1nginx

See the visual redirect chain in the HTTP Probe tab →

Each redirect adds latency. Try to minimize the chain to 1 hop.

Why this matters

Redirect chain — each hop adds latency; combine into one redirect where possible.

Source: Google Search Central / web.dev

D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

C
IPv6 Readiness
Action
No IPv6 support
REVIEW
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.

IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.

Why this matters

No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.

Source: Google IPv6 stats

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

Certificate validity

33
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
A+
DNS Records
1 A records, 98 ms lookup
PASS
1 A records, 98 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 192.0.66.156
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
No IPv6 (AAAA) records
Info::
4 nameserver(s) configured
Got: ns-1744.awsdns-26.co.uk, ns-527.awsdns-01.net, ns-1275.awsdns-31.org, ns-497.awsdns-62.com
Info::
1 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: 98 ms
Got: 98 ms
A192.0.66.156
AAAA
CNAME
NSns-1744.awsdns-26.co.uk, ns-527.awsdns-01.net, ns-1275.awsdns-31.org, ns-497.awsdns-62.com
MX
10 swissinfo-ch.mail.protection.outlook.com
TXT
canva-site-verification=cXTc5hfpoKMa4CBTQOuoJw
tollbit-domain-verification=159c61ef21974c8290dcb393b1f666fddd8c3260a2b988c46769...
docker-verification=4302e6b9-dc0a-4fac-9708-69bf3a390331
jetbrains-domain-verification=e6dvwpazkhdikpgvq5x8zj58q
mentimeter-fcf204a0-2c29-4863-9918-55852fbbed2d
g7pr70jbcvy03gf7q9ll7gg8zw74rklk
have-i-been-pwned-verification=d161dbd26d2ab44006407e1dc8a6b4de
vic+TljwYK3S0xvkkCryhQs0V67GrBlSYQYzwR2Rz1DwAXPPK7eJmFPh6uYi02mgbfudTDZW8Ss44OZ6...
autodesk-domain-verification=Au7F7NCX57DM7c1-SOaW
SPF v=spf1 mx a:out1.srgssr.ch a:out2.srgssr.ch a:smtp365.srgssr.ch a:smtp1.swissinf...
docusign=6616d5fd-b178-4f60-ba61-251e26ce72ff
bw=4rNjrnaNBD9NkiAA2a9uiKRwYPEFuRzYSZ6pGgNpcyQA
Sendinblue-code:eb5fbc3c13da166bf87b5b301719d359
atlassian-domain-verification=yCKDUfTrPpExp6ak8gbXmFvB17/rcSzjh8sLMixLHP6rHkO0m9...
jwsp3j5qf7jxl93f0vf3kvqh1j56pn54
miro-verification=a46d6131424993b8509cb1c496f605264616b632
flexera-domain-verification-osekmyokbptefxih
7n4qgxmrfj6f09vwfl26sr1mc2v5dgxf
teamviewer-sso-verification=8d7e3664abaa430d8ba9eba1e061562e
google-site-verification=s92MHf7jm9neNp66qp3rvY4QUFuPGF9hyJmOWCPn4zg
docusign=e64b400a-09fc-4fad-ac3b-516d70eff7f4
knowbe4-site-verification=08f7c42ec6ac8b41e31c49cf78800938
CAALookup not available with standard resolver
Resolved in 98 ms

Multiple A records provide failover if one server goes down.

Why this matters

Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.

Learn more

Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.

Source: SRE practice / DNS architecture

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+
Crawlability
robots.txt present, sitemap with 27 URLs
PASS
robots.txt present, sitemap with 27 URLs
Info::
robots.txt is present
Got: 10240 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 27 entries
Info::
Sitemap index with 27 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 10240 B Sitemaps referenced 186 User-agents Blocking No — crawling allowed
Sitemap: https://www.swissinfo.ch/eng/sitemap.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2003.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2002.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2001.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-2000.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-1999.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-news.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-pages.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-topics.xml
Sitemap: https://www.swissinfo.ch/eng/sitemap-authors.xml

Sitemap: https://www.swissinfo.ch/ger/sitemap.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2003.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2002.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2001.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-2000.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-1999.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-1994.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-1975.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-1973.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-news.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-pages.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-topics.xml
Sitemap: https://www.swissinfo.ch/ger/sitemap-authors.xml

Sitemap: https://www.swissinfo.ch/fre/sitemap.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2003.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2002.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2001.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-2000.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-1999.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-1973.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-news.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-pages.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-topics.xml
Sitemap: https://www.swissinfo.ch/fre/sitemap-authors.xml

Sitemap: https://www.swissinfo.ch/ita/sitemap.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2003.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2002.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2001.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-2000.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-news.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-pages.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-topics.xml
Sitemap: https://www.swissinfo.ch/ita/sitemap-authors.xml

Sitemap: https://www.swissinfo.ch/spa/sitemap.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2003.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2002.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2001.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-2000.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-news.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-pages.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-topics.xml
Sitemap: https://www.swissinfo.ch/spa/sitemap-authors.xml

Sitemap: https://www.swissinfo.ch/por/sitemap.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2025.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2024.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2023.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2022.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2021.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2020.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2019.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2018.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2017.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2016.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2015.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2014.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2013.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2012.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2011.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2010.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2009.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2008.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2007.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2006.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2005.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2004.xml
Sitemap: https://www.swissinfo.ch/por/sitemap-2003.xml
Sitem
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

301https://www.swissinfo.ch/
200https://swissinfo.ch/

Preferred variant: non-www

HTTP → HTTPS

301http://swissinfo.ch/ https://swissinfo.ch/

Consistent

A+
HTTP Probe Timing
Total 65 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
33 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
0 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
3 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
65 ms
Total Time Total request time from DNS lookup through full response.
65 ms

Connection waterfall

DNS Lookup 33 ms TCP Connect 0 ms TLS Handshake 3 ms Server Processing 29 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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