Domain readthedocs.io responds in 29.18ms.
We flagged 2 configuration penalty item(s) that can leave your server exposed or reduce search engine trust.
Speed
âĄ
29.18 ms
⥠Rapid response
Total Links
đ
49
22 internal âĸ 27 external
Penalties
đ ī¸
2
Penalties applied
SSL Health
đ
TLSv1.3
Expires in: 71 days
Brand Spoofing Shield
âī¸
đĄī¸ PROTECTED
SPF: Missing
DMARC: Missing
Cookie Privacy Risk
đĒ
0 Cookie(s) Scanned
â All evaluated cookies secured.
Supply Chain SRI
đ
0 External Script(s)
â CDN scripts secure or self-hosted.
Social Card Preview
đą
Missing OG Image
Title: Default HTML Title
đĄī¸ Complete Website Scorecard
Weighted evaluation & clear non-technical guides
-5 pts
Critical Fix Advisory
Content-Security-Policy header absent
âŧ
Why points were lost:
Automated security heuristics detected configuration vulnerabilities requiring remediation.
Plain English: Think of this like leaving your front door unlocked or leaving name tags on keys. It makes it easier for bad actors to target your system!
đ ī¸ Recommended Remediation Action
Implement strict DNS records, hide server version banners in your server config, and publish a DNS CAA record.
Click card again to collapse detail view.
-3 pts
Moderate Fix Advisory
Strict-Transport-Security header absent
âŧ
Why points were lost:
Automated security heuristics detected configuration vulnerabilities requiring remediation.
Plain English: Think of this like leaving your front door unlocked or leaving name tags on keys. It makes it easier for bad actors to target your system!
đ ī¸ Recommended Remediation Action
Implement strict DNS records, hide server version banners in your server config, and publish a DNS CAA record.
Click card again to collapse detail view.
+Preserved
Passed âĸ Transport Encryption
Active TLS Cipher Protocol (TLSv1.3)
âŧ
Why this helps: Protects user sessions and sensitive data against wiretapping and man-in-the-middle sniffing attacks.
Plain English: Your data travels in a heavily armored car so nobody can spy on passwords or credit card numbers.
đ Technical Deep Dive
Modern TLS 1.3 eliminates vulnerable cryptographic primitives, enforcing Perfect Forward Secrecy (PFS) and reducing handshake round-trips to just 1-RTT.
+Optimal
Passed âĸ Response Speed
Rapid Round-Trip Time (29.18ms)
âŧ
Why this helps: Fast server response keeps visitors engaged and directly boosts search engine ranking signals.
Plain English: Your page loads instantly so visitors don't get frustrated and leave.
⥠Core Web Vitals Impact
Server response under 200ms ensures minimal Time to First Byte (TTFB), laying a foundation for optimal Largest Contentful Paint (LCP) performance scores.
+Healthy
Passed âĸ Search Engine Metadata
Valid HTML Meta & Title Tag Structure
âŧ
Why this helps: Ensures Google and search crawlers can index your page title accurately.
Plain English: Search engines easily understand what your page is about so they can display it properly to users.
đ Search Crawler Insight
Well-formed title and description metadata maximize Click-Through Rates (CTR) in Search Engine Result Pages (SERPs).
+Verified
Passed âĸ Infrastructure Routing
Verified Autonomous Network Hosting (ASN 13335)
âŧ
Why this helps: Confirms your website is connected via an established, reliable hosting provider.
Plain English: Your website lives in a reputable, trustworthy neighborhood online.
đ BGP Routing Verification
Valid ASN route records confirm clean network reputation, reducing IP blocklist risks across email and web gateways.
đ Network Infrastructure & DNS Compliance
Server hosting profile, CAA records, and GeoIP data
Server IP Address
104.16.253.120
DNS CAA Authorization Records
â ī¸ Missing DNS CAA Record
ISP / ASN Provider
CLOUDFLARENET
ASN 13335
Location & Timezone
đ Unknown
Server Software
cloudflare
đ Live Search Snippet Simulator
Simulate search result listings across web engines
Full featured documentation deployment platform - Read the Docs
Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more.
Title Len
63
Meta Desc
204
No Alt Imgs
0
Forms
0
Deep Inspection Hub
đĄ SEO & Content Recommendations
Metadata and ranking enhancements
3 Notes
âĄTitle longer than 60 characters
âĄMeta description longer than 160 characters
âĄNo canonical URL declared
Link Distribution Footprint
Int: 22 Ext: 27
Detailed Inspect Lists
đ Redirect Chain (3)âŧ
1. https://readthedocs.io/
2. https://readthedocs.org
3. https://app.readthedocs.org/welcome/
đĄī¸ SSL Alt Names (2)âŧ
readthedocs.io
*.readthedocs.io
đ External Domains (15)âŧ
app.readthedocs.com
app.readthedocs.org
dev.readthedocs.io
docs.godotengine.org
docs.jupyter.org
docs.readthedocs.com
docs.readthedocs.io
flask.palletsprojects.com
fosstodon.org
github.com
jupytergis.readthedocs.io
landing.mailerlite.com
status.readthedocs.com
twitter.com
www.ethicalads.io
Auditor Status
âšī¸ Auditor Limitations (8)âŧ
âĸ Historical uptime monitoring
âĸ Full-site crawling
âĸ Malware or phishing analysis
âĸ External blacklist/reputation checks
âĸ Vulnerability exploitation or authenticated testing
âĸ Real-browser Core Web Vitals
âĸ Email DNS (SPF, DKIM, DMARC) checks
âĸ Certificate Transparency and historical DNS checks
âšī¸ How Our Scoring Engine Works
Every website starts with a baseline score of 100 points. Points are deducted based on automated security scans and web server configuration heuristics.
đ´ Critical Penalties (-5 pts):
Severe vulnerabilities such as an expiring SSL certificate or missing Content Security Policy (CSP) headers.
đĄ Moderate Penalties (-3 pts):
Advisories like missing MIME sniffing protection or minor security header omissions.
Passed checks do not add extra points above 100, but confirm that your server maintains essential safeguards.