{
"url": "https://metadrop.net/en",
"score": 6,
"summary": {
"missing": 0,
"warnings": 3,
"notices": 4
},
"caches": [
"Drupal",
"Nginx",
"Browser"
],
"headers": {
"server": {
"value": "nginx",
"findings": [
{
"severity": "info",
"message": "Identifies the software used by the origin server to handle the request (e.g. Apache, Nginx, Cloudflare)."
},
{
"severity": "notice",
"message": "Consider removing or minimizing the Server header. Even without a version number, it reveals the server software, which aids reconnaissance."
}
]
},
"date": {
"value": "wed, 11 nov 2026 01:18:02 gmt",
"findings": [
{
"severity": "info",
"message": "The date and time at which the request was made. A browser uses it for age calculations rather than using its own internal date and time; e.g. when comparing against Max-Age or Expires."
}
]
},
"content-type": {
"value": "text/html; charset=utf-8",
"findings": [
{
"severity": "info",
"message": "The type of the message body, specified as a MIME type."
}
]
},
"cache-control": {
"value": "max-age=900, public",
"findings": [
{
"severity": "info",
"message": "public means the response may be stored by all caches, including browser caches, CDNs, and shared caches."
},
{
"severity": "info",
"message": "max-age specifies the maximum amount of seconds a page is considered valid. The higher max-age, the longer a page can be cached."
}
]
},
"x-drupal-dynamic-cache": {
"value": "hit",
"findings": [
{
"severity": "info",
"message": "The page was served from Drupal's \"dynamic page cache\". This is a special cache that can cache pages minus the personalized parts. It makes it possible to cache pages with dynamic content."
}
]
},
"link": {
"value": "; rel=\"alternate\"; type=\"text/markdown\"; title=\"drupal development & consultancy for growth\"",
"findings": [
{
"severity": "info",
"message": "rel=\"alternate\" specifies an alternate version of the current page, often using a different language (hreflang attribute), a different MIME type (type attribute) or a different media format (media attribute)."
}
]
},
"content-language": {
"value": "en",
"findings": [
{
"severity": "info",
"message": "Specifies the page's intended audience. For example, en-US means that the document is intended for English language speakers in the United States. The language tags are defined in RFC 5646."
}
]
},
"x-content-type-options": {
"value": "nosniff",
"findings": [
{
"severity": "info",
"message": "The X-Content-Type-Options header prevents browsers from guessing a response's content type. Without it, browsers may interpret files differently than intended, which can lead to security vulnerabilities."
},
{
"severity": "info",
"message": "The value nosniff is correctly set."
}
]
},
"x-frame-options": {
"value": "sameorigin",
"findings": [
{
"severity": "info",
"message": "X-Frame-Options prevents this URL from being embedded in an iframe. This protects against clickjacking attacks."
},
{
"severity": "info",
"message": "sameorigin allows this page to be displayed in an iframe on the same origin. This is the recommended setting."
}
]
},
"vary": {
"value": "cookie,accept,accept-encoding",
"findings": [
{
"severity": "info",
"message": "The Vary header specifies a list of headers that must be considered when caching responses. For a cached response to be used, these headers must match between the cached response and the new request. This ensures that the appropriate version of a resource is served based on factors like language, encoding, or device type."
}
]
},
"x-generator": {
"value": "drupal 11 (https://www.drupal.org)",
"findings": [
{
"severity": "info",
"message": "Some of the software used to generate or serve this page."
}
]
},
"content-security-policy-report-only": {
"value": "script-src 'self' 'unsafe-inline' 'unsafe-eval' https://unpkg.com/ cdn.jsdelivr.net https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://d3js.org https://unpkg.com https://www.recaptcha.net; script-src-attr 'self' 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline' http://stats.metadrop.pro/ https://www.googletagmanager.com/ https://unpkg.com/ https://www.recaptcha.net/ https://www.gstatic.com/ https://www.googleadservices.com/ cdn.jsdelivr.net https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://d3js.org https://unpkg.com https://www.recaptcha.net; style-src 'self' cdn.jsdelivr.net https://unpkg.com; style-src-attr 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline' cdn.jsdelivr.net https://unpkg.com; frame-ancestors 'self'; report-uri /en/system/reporting/csp; report-to csp",
"findings": [
{
"severity": "info",
"message": "Works like Content-Security-Policy, but violations are only reported, not blocked. This lets you test a new CSP in production without breaking anything: the browser logs violations to the specified report-uri while still loading all resources normally."
}
]
},
"content-security-policy": {
"value": "object-src 'none'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://unpkg.com/ cdn.jsdelivr.net https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://d3js.org https://unpkg.com https://www.recaptcha.net; script-src-attr 'self' 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline' http://stats.metadrop.pro/ https://www.googletagmanager.com/ https://unpkg.com/ https://www.recaptcha.net/ https://www.gstatic.com/ https://www.googleadservices.com/ cdn.jsdelivr.net https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://d3js.org https://unpkg.com https://www.recaptcha.net; style-src 'self' cdn.jsdelivr.net https://unpkg.com; style-src-attr 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline' cdn.jsdelivr.net https://unpkg.com; frame-ancestors 'self'; report-uri /en/system/reporting/csp; report-to csp; upgrade-insecure-requests",
"findings": [
{
"severity": "info",
"message": "The Content Security Policy (CSP) header helps prevent cross-site scripting (XSS), clickjacking, and other code injection attacks by specifying which dynamic resources are allowed to load."
},
{
"severity": "info",
"message": "script-src specifies valid sources for JavaScript. This includes not only URLs loaded directly into <script> elements, but also things like inline script event handlers (onclick) and XSLT stylesheets which can trigger script execution."
},
{
"severity": "info",
"message": "object-src defines what <object>, <embed> and <applet> elements are allowed to be loaded and executed."
},
{
"severity": "info",
"message": "style-src defines what CSS stylesheets are allowed to be loaded."
},
{
"severity": "info",
"message": "frame-ancestors defines what parents may embed a page using <frame>, <iframe>, <object>, <embed> or <applet>."
},
{
"severity": "info",
"message": "report-to defines the URL that violations will be reported to. report-to is designed to replace report-uri, but still lacks universal browser support."
},
{
"severity": "info",
"message": "report-uri defines the URL that violations will be reported to. While report-uri is officially deprecated in favor of report-to, limited browser support for the latter means report-uri remains a viable option for now."
},
{
"severity": "info",
"message": "upgrade-insecure-requests instructs browsers to replace insecure URLs (HTTP) with secure URLs (HTTPS)."
},
{
"severity": "warning",
"message": "unsafe-inline in script-src allows execution of inline scripts, which effectively disables CSP's XSS protection. Consider using nonces or hashes instead."
},
{
"severity": "warning",
"message": "unsafe-eval allows eval() and similar dynamic code execution, which can be exploited for XSS. Consider refactoring code to avoid eval()."
},
{
"severity": "notice",
"message": "No default-src directive is set. Without it, directives that are not explicitly defined have no fallback restriction."
},
{
"severity": "notice",
"message": "Consider adding base-uri 'self' or base-uri 'none' to prevent base tag injection, which can redirect relative URLs to an attacker-controlled domain."
}
]
},
"reporting-endpoints": {
"value": "csp=\"/en/system/reporting/csp\", csp_reportonly=\"/en/system/reporting/csp_reportonly\", default=\"/en/system/reporting/default\"",
"findings": [
{
"severity": "info",
"message": "Defines named endpoints where the browser should send reports about security violations, deprecations, and other issues. This is the modern replacement for the Report-To header, using a simpler key-value syntax."
}
]
},
"cross-origin-embedder-policy": {
"value": "require-corp",
"findings": [
{
"severity": "info",
"message": "Controls whether this page can load resources (images, scripts, iframes) from other origins. When set, every cross-origin resource must explicitly opt in (via a Cross-Origin-Resource-Policy header or CORS) before this page can load it. This protects those other origins: by requiring their consent, the browser ensures their resources aren't exposed to Spectre-style timing attacks from this page. Setting this header (together with Cross-Origin-Opener-Policy: same-origin) is also required to enable powerful features like SharedArrayBuffer and high-resolution timers."
},
{
"severity": "info",
"message": "require-corp means this page can only embed same-origin resources, or cross-origin resources that explicitly consent by sending a Cross-Origin-Resource-Policy: cross-origin header (or the equivalent CORS headers). Resources without that consent are blocked."
}
]
},
"etag": {
"value": "\"1794359033-gzip\"",
"findings": [
{
"severity": "info",
"message": "A unique identifier that changes every time a page at a given URL changes. It acts as a fingerprint. A cache can compare ETag values to see if the page has changed and has become stale. For example, a browser will send the ETag value of a cached page in an If-None-Match header. The web server compares the ETag value sent by the browser with the ETag value of the current version of the page. If both values are the same, the web server sends back a 304 Not Modified status and no body."
}
]
},
"content-encoding": {
"value": "gzip",
"findings": [
{
"severity": "info",
"message": "Specifies how the resource is compressed. Not to be confused with Transfer-Encoding which specifies how the data is transferred."
},
{
"severity": "info",
"message": "gzip means that the data is compressed with gzip."
},
{
"severity": "warning",
"message": "Add a Content-Length header. The Content-Length header is required, unless the message is transported using chunked encoding. Without a Content-Length header some servers will respond with 400 (bad request) or terminate connections early."
}
]
},
"x-proxy-cache": {
"value": "hit",
"findings": [
{
"severity": "info",
"message": "The page was served from a cache."
}
]
},
"strict-transport-security": {
"value": "max-age=31536000; includesubdomains",
"findings": [
{
"severity": "info",
"message": "The Strict-Transport-Security header (HSTS) instructs browsers to only use HTTPS for future connections to this domain, enhancing security by preventing downgrade attacks and cookie hijacking."
},
{
"severity": "info",
"message": "max-age specifies the time, in seconds, that the browser should remember to use HTTPS only for this domain."
},
{
"severity": "info",
"message": "includesubdomains instructs the browser that all subdomains are HTTPS-only as well."
}
]
},
"referrer-policy": {
"value": "strict-origin-when-cross-origin",
"findings": [
{
"severity": "info",
"message": "When a visitor navigates from one page to another page, browsers often pass along referrer information. The Referrer-Policy header controls how much referrer information a browser can share. This is important because private information can be embedded in the path or query string."
},
{
"severity": "info",
"message": "strict-origin-when-cross-origin means that the full URL (protocol, host, port, path and query string) is shared for same-origin requests. For cross-origin requests, only the origin (protocol, host, and port) is shared, and only when the protocol security level stays the same or improves (HTTP → HTTP, HTTPS → HTTPS). For cross-origin requests where the protocol downgrades (HTTPS → HTTP), nothing is shared."
}
]
},
"permissions-policy": {
"value": "accelerometer=(), camera=(), geolocation=(), microphone=()",
"findings": [
{
"severity": "info",
"message": "Controls which browser features and APIs (camera, microphone, geolocation, payment, USB, etc.) this page and its embedded iframes are allowed to use. Each feature is set to an allowlist of origins; an empty list () disables the feature entirely. This is a defense-in-depth measure: even if an attacker injects script via XSS, they cannot access the restricted APIs."
}
]
},
"cross-origin-opener-policy": {
"value": "same-origin-allow-popups",
"findings": [
{
"severity": "info",
"message": "Controls whether other pages can access this page's window object (and vice versa) when opened via window.open() or by navigating to a new page. Without this header, a malicious page could open your site and retain a reference to its window, enabling script-based attacks through the shared browsing context. Setting this to same-origin severs that link for cross-origin pages. Note: COOP governs top-level documents and popups, not iframes. Use X-Frame-Options or CSP frame-ancestors to control iframe embedding."
},
{
"severity": "info",
"message": "same-origin-allow-popups isolates this page from cross-origin openers (like same-origin), but still allows popups opened by this page to retain a connection if the popup has COOP set to unsafe-none (any origin) or same-origin-allow-popups (same origin only). This is useful for pages that need to interact with OAuth or payment popups."
}
]
},
"cross-origin-resource-policy": {
"value": "cross-origin",
"findings": [
{
"severity": "info",
"message": "Controls which origins are allowed to load this resource (e.g. embed this image, load this script). This prevents other sites from hotlinking your resources and is how a resource signals its consent to be loaded by pages that use Cross-Origin-Embedder-Policy."
},
{
"severity": "notice",
"message": "cross-origin means the resource can be loaded by documents from any origin. This is the least secure option."
}
]
},
"x-permitted-cross-domain-policies": {
"value": "none",
"findings": [
{
"severity": "info",
"message": "Instructs clients like Flash and Acrobat Reader what cross-domain policy they have to use. none is the most secure setting. Data can't be shared across domains."
}
]
}
},
"missing": []
}