What does StackOptic analyze?

StackOptic runs 18 analysis modules on any public website from a single URL. It detects 7,000+ technologies (CMS, frameworks, analytics, payments, CDN, hosting), evaluates SSL certificates and HTTP security headers with grades from A+ to F, measures Core Web Vitals (LCP, CLS, TBT, FCP), audits SEO meta tags and structured data, checks email security (SPF, DKIM, DMARC), analyzes AI & LLM readiness including bot access and llms.txt validation, extracts color palettes and typography, estimates carbon footprint, and generates permanent shareable reports.

Does it work on sites behind Cloudflare or bot protection?

Yes. StackOptic uses a real browser engine that loads pages exactly like a human visitor — executing JavaScript, rendering CSS, and handling redirects. This allows it to bypass Cloudflare, LiteSpeed, Sucuri, and other bot protection systems where traditional crawlers and HTTP-only tools fail.

What do I get on the free plan?

The free plan includes 5 analyses per day with access to all 18 modules, full scores, technology detection, and security grades. Every report is permanently accessible via a unique shareable URL — no login required to view. No credit card needed. AI-powered insights, re-analysis, PDF/JSON export, and comparison features are available on Pro ($24/mo) and Agency ($99/mo) plans.

What is AI & LLM readiness analysis?

This module evaluates how visible and citable your website is to AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Claude. It audits access permissions for 8 major AI bots, validates llms.txt and llms-full.txt files, scores citation-ready content structure, and analyzes structured data (JSON-LD) for GEO readiness — helping you rank in the next generation of search.

How long does an analysis take?

Most analyses complete in under 10 seconds. StackOptic runs all 18 modules in parallel using a real browser session, so you get technology detection, security audit, performance metrics, SEO analysis, and AI readiness scoring simultaneously.

How accurate are the results?

Detection is based on real browser execution — DOM inspection, JavaScript runtime analysis, HTTP headers, and DNS records. With 7,000+ technology signatures and Lighthouse-calibrated performance scoring, StackOptic achieves high accuracy for mainstream technologies.

What security checks are performed?

The security module evaluates SSL/TLS certificates, 12+ HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy, Referrer-Policy), HTTPS enforcement, and email authentication (SPF, DKIM, DMARC). Each site receives a letter grade from A+ to F with specific remediation steps.

Do you store the websites I analyze?

StackOptic only stores publicly available information that any visitor to a website would see — HTML content, HTTP headers, DNS records, and screenshots. We do not access private data, log in to websites, or perform any intrusive testing.

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spaceflightnow.com

https://spaceflightnow.com· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

spaceflightnow.com

Sponsored

Hosting Provider

Kinsta

cloudflare.com

IP Address

162.159.134.42

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-1666.awsdns-16.co.uk.ns-496.awsdns-62.com.ns-684.awsdns-21.net.ns-1073.awsdns-06.org.

Performance

Page Speed

699 KB

49 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.1

cms

MH Magazinev3.9.13

by MH Themes

View Theme

Technology Stack

10 Technologies Detected

Fonts

Google Fonts Adobe Fonts (Typekit)

Plugins

Meta Frameworks

Libraries

CSS Frameworks

Icon Libraries

Payments

CDN

SEO Analysis

F32/100

spaceflightnow.comspaceflightnow.com

Spaceflight Now – The leading source for online space news

No description available for this page.

Title Length58 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

• Missing meta description - important for click-through rates
• Missing H1 tag - every page should have one H1
• Many images missing alt text (24/25)

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

4 rules

Sitemap reference found

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

61d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

20.01.2026

Valid Until

20.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

spaceflightnow.com*.spaceflightnow.com

SHA-256 Fingerprint

94:CD:D9:A1:9A:F7:C9:75:CD:A9:8D:23:45:D2:E7:5F:EE:2F:EC:3C...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

1481

alt-svc

h3=":443"; ma=86400

cache-control

🟡 0s(public, max-age=0, s-maxage=3600)

cf-cache-status

HIT

cf-ray🇩🇪 Frankfurt

9cfba9896a69dcb4-FRA

content-encoding

⚡ Brotli(br)

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

alt1.aspmx.l.google.com

alt4.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx.l.google.com

+1 more

Domain Information

spaceflightnow.com

Domain Age

26y 5m

Created

07.09.1999

Expires

07.09.2027

Last Updated

09.07.2022

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Typography & Readability

Helvetica

63/100

Readability

/30

32/40

14px · LH 1.60

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Helvetica

Sans

Body Font

Helvetica

Sans14px

Contrast Ratio

Reading Comfort

~44 CPL

Needs attention

24px

16px

14px

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

⚠️ Cramped layout: 19 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

GGoogle Fonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

spaceflightnow.com(12)js.memberful.com(1)js.stripe.com(1)

Sponsored

Last analyzed: 18 Feb 2026 at 07:03

Historical Analysis & Change Tracking