| 1. General Results, most used to calculate the result |
| A | name "myip.wtf" is domain, public suffix is ".wtf", top-level-domain is ".wtf", top-level-domain-type is "generic", tld-manager is "Binky Moon, LLC", num .wtf-domains preloaded: 100 (complete: 239099)
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| A | Good: All ip addresses are public addresses
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| A | Good: Minimal 2 ip addresses per domain name found: myip.wtf has 2 different ip addresses (authoritative).
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| A | Good: Ipv4 and Ipv6 addresses per domain name found: myip.wtf has 1 ipv4, 1 ipv6 addresses
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| A | Good: No asked Authoritative Name Server had a timeout
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| A | DNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
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| A | Good: destination is https
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| A | Good - only one version with Http-Status 200
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| A | Good: one preferred version: non-www is preferred
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| A | Good: No cookie sent via http.
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| A | Good: HSTS has preload directive
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| A | Excellent: Domain is in the Google-Preload-List
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| A | HSTS-Preload-Status: Preloaded. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
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| A | Good: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
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| A | http://myip.wtf/ 65.108.75.112
| https://myip.wtf/
| Correct redirect http - https with the same domain name
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| A | http://myip.wtf/ 2a01:4f9:6b:4b55::acab
| https://myip.wtf/
| Correct redirect http - https with the same domain name
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| A | Good: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain myip.wtf, 2 ip addresses.
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| Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain myip.wtf, 2 ip addresses.
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| B | No _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.myip.wtf
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| 2. Header-Checks (Cross-Origin-* headers are alpha - started 2024-06-05) |
| A | myip.wtf 65.108.75.112
| Content-Security-Policy
| Ok: Header without syntax errors found: default-src 'none'; img-src wtfismyip.com myip.wtf; script-src ipv4.wtfismyip.com wtfismyip.com myip.wtf ipv4.myip.wtf; style-src 'unsafe-inline'
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| A |
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| Good: default-src directive only with 'none' or 'self', additional sources are blocked.
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| A |
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| Good: default-src without 'unsafe-inline' or 'unsave-eval'.
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| E |
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| Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
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| E |
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| Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
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| E |
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| Bad: No base-uri directive found. Use one to limit the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
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| A |
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| Good: No object-src found, but the default-src used as fallback is defined and restricted.
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| A |
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| Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
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| A |
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| Good: script-src without * and a scheme found.
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| A |
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| Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
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| A |
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| Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
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| A |
| X-Content-Type-Options
| Ok: Header without syntax errors found: nosniff
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| A |
| Referrer-Policy
| Ok: Header without syntax errors found: no-referrer
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| A |
| X-Frame-Options
| Ok: Header without syntax errors found: DENY
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. DENY. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
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| A |
| X-Xss-Protection
| Ok: Header without syntax errors found: 1; mode=block
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
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| A | myip.wtf 2a01:4f9:6b:4b55::acab
| Content-Security-Policy
| Ok: Header without syntax errors found: default-src 'none'; img-src wtfismyip.com myip.wtf; script-src ipv4.wtfismyip.com wtfismyip.com myip.wtf ipv4.myip.wtf; style-src 'unsafe-inline'
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| A |
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| Good: default-src directive only with 'none' or 'self', additional sources are blocked.
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| A |
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| Good: default-src without 'unsafe-inline' or 'unsave-eval'.
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| E |
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| Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
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| E |
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| Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
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| E |
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| Bad: No base-uri directive found. Use one to limit the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
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| A |
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| Good: No object-src found, but the default-src used as fallback is defined and restricted.
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| A |
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| Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
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| A |
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| Good: script-src without * and a scheme found.
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| A |
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| Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
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| A |
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| Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
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| A |
| X-Content-Type-Options
| Ok: Header without syntax errors found: nosniff
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| A |
| Referrer-Policy
| Ok: Header without syntax errors found: no-referrer
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| A |
| X-Frame-Options
| Ok: Header without syntax errors found: DENY
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| B |
|
| Info: Header is deprecated. May not longer work in modern browsers. DENY. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
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| A |
| X-Xss-Protection
| Ok: Header without syntax errors found: 1; mode=block
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
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| F | myip.wtf 65.108.75.112
| Permissions-Policy
| Critical: Missing Header:
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| F | myip.wtf 2a01:4f9:6b:4b55::acab
| Permissions-Policy
| Critical: Missing Header:
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| 3. DNS- and NameServer - Checks |
| A | Info:: 13 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers.
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| A | Info:: 13 Queries complete, 13 with IPv6, 0 with IPv4.
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| A | Good: All DNS Queries done via IPv6.
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| Ok (4 - 8):: An average of 3.3 queries per domain name server required to find all ip addresses of all name servers.
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| A | Info:: 4 different Name Servers found: dns41.cloudns.net, dns42.cloudns.net, dns43.cloudns.net, dns44.cloudns.net, 4 Name Servers included in Delegation: dns41.cloudns.net, dns42.cloudns.net, dns43.cloudns.net, dns44.cloudns.net, 4 Name Servers included in 1 Zone definitions: dns41.cloudns.net, dns42.cloudns.net, dns43.cloudns.net, dns44.cloudns.net, 1 Name Servers listed in SOA.Primary: dns41.cloudns.net.
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| A | Good: Only one SOA.Primary Name Server found.: dns41.cloudns.net.
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| A | Good: SOA.Primary Name Server included in the delegation set.: dns41.cloudns.net.
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| A | Good: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: dns41.cloudns.net, dns42.cloudns.net, dns43.cloudns.net, dns44.cloudns.net
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| A | Good: All Name Server Domain Names have a Public Suffix.
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| A | Good: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
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| A | Good: All Name Server ip addresses are public.
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| A | Good: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found
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| A | Good: All name servers have ipv4- and ipv6-addresses.: 4 different Name Servers found
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| Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 4 Name Servers, 1 Top Level Domain: net
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| Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: cloudns.net
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| A | Good: Name servers with different Country locations found: 4 Name Servers, 3 Countries: BG, FR, GB
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| A | Info: Ipv4-Subnet-list: 4 Name Servers, 1 different subnets (first Byte): 185., 1 different subnets (first two Bytes): 185.136., 4 different subnets (first three Bytes): 185.136.96., 185.136.97., 185.136.98., 185.136.99.
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| A | Good: Name Server IPv4-addresses from different subnet found:
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| A | Info: IPv6-Subnet-list: 4 Name Servers with IPv6, 1 different subnets (first block): 2a06:, 1 different subnets (first two blocks): 2a06:fb00:, 1 different subnets (first three blocks): 2a06:fb00:0001:, 1 different subnets (first four blocks): 2a06:fb00:0001:0000:
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| Fatal: All Name Server IPv6 addresses from the same subnet.
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| A | Good: Nameserver supports TCP connections: 8 good Nameserver
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| A | Good: Nameserver supports Echo Capitalization: 8 good Nameserver
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| A | Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver
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| A | Good: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 8 good Nameserver
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| Nameserver doesn't pass all EDNS-Checks: dns41.cloudns.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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| A | Good: All SOA have the same Serial Number
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| A | Good: CAA entries found, creating certificate is limited: pki.goog is allowed to create certificates
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| 4. Content- and Performance-critical Checks |
| A | Good: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
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| https://myip.wtf/ 65.108.75.112
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| Warning: https result with status 200 and size greater then 1024 Bytes without Compression found. Add Compression support (gzip, deflate, br - these are checked) so the html content is compressed.
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| https://myip.wtf/ 2a01:4f9:6b:4b55::acab
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| Warning: https result with status 200 and size greater then 1024 Bytes without Compression found. Add Compression support (gzip, deflate, br - these are checked) so the html content is compressed.
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| https://myip.wtf/ 65.108.75.112
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| Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
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| https://myip.wtf/ 2a01:4f9:6b:4b55::acab
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| Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
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| https://myip.wtf/ 65.108.75.112
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| Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
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| https://myip.wtf/ 2a01:4f9:6b:4b55::acab
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| Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
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| A | Good: Every https connection via port 443 supports the http/2 protocol via ALPN.
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| https://myip.wtf/ 65.108.75.112
|
| Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 1 script elements without defer/async.
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| https://myip.wtf/ 2a01:4f9:6b:4b55::acab
|
| Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 2 script elements without defer/async.
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| Warning: CSS / JavaScript found without Compression. Compress these ressources, gzip, deflate, br are checked. 3 external CSS / JavaScript files without GZip found - 0 with GZip, 3 complete
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| Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 3 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 3 complete.
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| A | Good: All checked attribute values are enclosed in quotation marks (" or ').
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| A | Info: No img element found, no alt attribute checked
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| A | Good: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
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| A | Duration: 453847 milliseconds, 453.847 seconds
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