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Executive Summary for techradar.blog

686 Response Time (ms)

520 HTTP Status

1 Scripts

0 Images

1 Links

HTTP/1.1 Protocol

SEO & Content Analysis

Basic Information

Page Title

techradar.blog | 520: Web server is returning an unknown error

Meta Description

Not detected

HTML Language

en-US

Robots.txt Present

Sitemap Not found

SEO Meta Tags

content-type: text/html; charset=UTF-8

Page Content

520: Web server is returning an unknown errorIf you are a visitor of this website:Please try again in a few minutes.If you are the owner of this website:There is an issue between Cloudflare's cache and your origin web server. Cloudflare monitors for these errors and automatically investigates the cause. To help support the investigation, you can pull the corresponding error log from your web server and submit it our support team. Please include the Ray ID (which is at the bottom of this error page).Additional troubleshooting resources.;

Network & Infrastructure

DNS & Hosting

IP Address

104.21.55.185

Reverse DNS

Not detected

SSL/TLS Certificate

Issuer

CN=WE1, O=Google Trust Services, C=US

Protocol Tls13

Expires In 81 days

Technology Stack

Services & Integrations

Analytics & Tracking

Google Analytics GA4

CDN & Media Providers

CDN Providers

Cloudflare

Dynamic Analysis & Security

Dynamic JavaScript Analysis

Framework Pattern Analysis Error: Response status code does not indicate success: 520 (<none>). HTML Pattern Analysis Error: Response status code does not indicate success: 520 (<none>). JS File Analysis Error: Response status code does not indicate success: 520 (<none>). Network Analysis Error: Response status code does not indicate success: 520 (<none>). Resource Analysis Error: Response status code does not indicate success: 520 (<none>). Web Server: cloudflare

Security Headers

Referrer-Policy X-Frame-Options

Server Headers

cloudflare

Resource Analysis

UI Frameworks & Libraries

Tailwind CSS (Class Names)

Analysis Errors

Analysis Warnings & Errors

The following issues occurred during analysis:

Reverse DNS failed: No such host is known.

Raw JSON Data

{
  "PageContent": "520: Web server is returning an unknown errorIf you are a visitor of this website:Please try again in a few minutes.If you are the owner of this website:There is an issue between Cloudflare's cache and your origin web server. Cloudflare monitors for these errors and automatically investigates the cause. To help support the investigation, you can pull the corresponding error log from your web server and submit it our support team.  Please include the Ray ID (which is at the bottom of this error page).Additional troubleshooting resources.",
  "Url": "https://techradar.blog",
  "IpAddress": "104.21.55.185",
  "ReverseDns": null,
  "Asn": null,
  "Http2": false,
  "Http3": false,
  "ResponseTimeMs": 686,
  "StatusCode": 520,
  "ServerHeaders": [
    "cloudflare"
  ],
  "Ssl": {
    "Issuer": "CN=WE1, O=Google Trust Services, C=US",
    "Subject": "CN=techradar.blog",
    "NotBefore": "2026-01-21T14:14:32-08:00",
    "NotAfter": "2026-04-21T16:10:38-07:00",
    "SubjectAltNames": [
      "DNS Name=techradar.blog",
      "DNS Name=*.techradar.blog"
    ],
    "Hsts": false,
    "Ciphers": [],
    "Protocol": "Tls13",
    "DaysUntilExpiry": 81
  },
  "Cdns": [
    "Cloudflare"
  ],
  "HostingHints": [],
  "Cms": [],
  "Frameworks": [],
  "JsLibraries": [],
  "Analytics": [
    "Google Analytics GA4"
  ],
  "AdsAndMarketing": [],
  "PaymentGateways": [],
  "EcommerceHints": [],
  "SocialSignals": [],
  "MediaProviders": [],
  "SeoTags": [
    "content-type: text/html; charset=UTF-8"
  ],
  "HtmlLanguage": "en-US",
  "HasRobots": true,
  "HasSitemap": false,
  "SecurityHeaders": [
    "X-Frame-Options",
    "Referrer-Policy"
  ],
  "CookiesObserved": [],
  "XhrApiHints": [],
  "SitemapCounts": {},
  "ChatWidgets": [],
  "ABTesting": [],
  "PrivacyConsent": [],
  "EmailMarketing": [],
  "WebFonts": [],
  "DynamicJs": [
    "Resource Analysis Error: Response status code does not indicate success: 520 (<none>).",
    "Web Server: cloudflare",
    "JS File Analysis Error: Response status code does not indicate success: 520 (<none>).",
    "Framework Pattern Analysis Error: Response status code does not indicate success: 520 (<none>).",
    "HTML Pattern Analysis Error: Response status code does not indicate success: 520 (<none>).",
    "Network Analysis Error: Response status code does not indicate success: 520 (<none>)."
  ],
  "ResourceHosts": [],
  "CssFrameworks": [],
  "BuildTools": [],
  "ServerTech": [],
  "DatabaseHints": [],
  "PageTitle": "techradar.blog | 520: Web server is returning an unknown error",
  "MetaDescription": null,
  "ImageCount": 0,
  "ScriptCount": 1,
  "LinkCount": 1,
  "Errors": [
    "Reverse DNS failed: No such host is known."
  ],
  "UiFrameworks": [
    "Tailwind CSS (Class Names)"
  ]
}

Analysis Complete

Analyzed techradar.blog with 1 technologies detected across 2 categories

Analysis completed in 686 ms • 2026-03-23 10:59:21 UTC