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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lycos.co.uk

https://lycos.co.uk· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

lycos.co.uk

Sponsored

Hosting Provider

Lycos, Inc.

IP Address

209.202.254.90

Server Location

🇺🇸 Boston, United States

ASN

AS6354

Organization

Lycos, Inc.

Server

Apache

Nameservers

ns1.lycos.com.ns2.lycos.com.ns3.lycos.com.ns4.lycos.com.

Performance

Page Speed

1 KB

33 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

jQuery

Styling

Bootstrap

Infrastructure

Hosting

Lycos, Inc.

Technology Stack

9 Technologies Detected

CSS Frameworks

Analytics

Libraries

Icon Libraries

Fonts

Web Servers

Languages

SEO Analysis

F35/100

lycos.co.uklycos.co.uk

Lycos.com

Lycos, Inc., is a web search engine and web portal established in 1994, spun out of Carnegie Mellon University. Lycos also encompasses a network of email, we...

Description truncated.

Title Length9 chars

Recommended: 50-60 chars

Description Length213 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1 URLs

robots.txt

3 rules

Sitemap reference found

Sponsored

Security Score

41%Poor

Interactive

HTTPS

No WAF

86d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

14.02.2026

Valid Until

15.05.2026

Subject Alternative Names (20)

advertising.lycos.atadvertising.lycos.beadvertising.lycos.caadvertising.lycos.chadvertising.lycos.cladvertising.lycos.co.nzadvertising.lycos.co.ukadvertising.lycos.com.au+12 more

SHA-256 Fingerprint

E6:EF:DC:87:36:68:B4:4D:7C:16:98:B8:57:A4:FA:A5:BF:2E:5F:05...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

4094

content-security-policy

frame-ancestors 'self'

content-type

text/html; charset=UTF-8

date

Tue, 17 Feb 2026 23:14:35 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mx.lycos.co.uk.cust.b.hostedemail.com

Domain Information

lycos.co.uk

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Helvetica Neue

75/100

Readability

/30

32/40

14px · LH 1.43

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Helvetica Neue

Body Font

Helvetica Neue

Sans14px

Contrast Ratio

Reading Comfort

Single Family

left aligned

14px

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

✅ Optimal line spacing: 1.43 ratio ensures comfortable reading.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

✅ Clean layout: Consistent left alignment throughout.

GGoogle Fonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

ly.lygo.net(7)googletagmanager.com(3)scripts.lycos.com(1)

Website Identity

Facebook X (Twitter)

Sponsored

Last analyzed: 17 Feb 2026 at 23:15

Historical Analysis & Change Tracking