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.

Back to Search

sharethis.com

https://sharethis.com· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

sharethis.com

Sponsored

Hosting Provider

Pagely

aws.amazon.com

IP Address

3.164.206.126

Server Location

🇫🇮 Helsinki, Finland

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

CloudFront

CDN

CloudFront

Nameservers

ns-1529.awsdns-63.org.ns-1617.awsdns-10.co.uk.ns-378.awsdns-47.com.ns-773.awsdns-32.net.

Performance

Page Speed

440 KB

66 requests

Image Optimization

Lazy LoadResponsiveimgix

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.1

cms

ShareThis Customv1.0.0

by Scott Adrian

View Theme

Technology Stack

11 Technologies Detected

Analytics

Plugins

Sharethis Share Buttons

CSS Frameworks

Fonts

Tag Managers

Social

CDN

SEO Analysis

A82/100

sharethis.comsharethis.com

ShareThis | Amplify Your Content | Unlock Behavioral Intelligence

Discover how social sharing tools can drive traffic and help you understand consumer intent for better targeting and personalization.

Title Length65 chars

Recommended: 50-60 chars

Description Length133 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (42/53)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

3 URLs

robots.txt

6 rules

Sponsored

Security Score

61%Fair

Interactive

HTTPS

No WAF

60d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

19.03.2025

Valid Until

17.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (5)

sharethis.com*.global.unified-prod.sharethis.net*.global.unified-staging.sharethis.net*.sharethis.com*.sharethis.net

SHA-256 Fingerprint

FD:14:6D:72:9F:77:92:9B:87:8F:8E:95:6E:0A:6E:19:38:7C:4D:1E...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

59456

cache-control

🔴 No Cache(private, max-age=0, no-cache)

content-encoding

📦 Gzip(gzip)

content-length

21716

content-security-policy

frame-ancestors 'self' https://*.shopify.com https://*.mysho...

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (7)

aspmx4.googlemail.com

aspmx5.googlemail.com

alt2.aspmx.l.google.com

aspmx2.googlemail.com

+3 more

Domain Information

sharethis.com

Domain Age

26y 11m

Created

02.03.1999

Expires

02.03.2027

Last Updated

26.01.2026

Registrar

Amazon Registrar, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Open Sans + sans-serif

75/100

Readability

/30

32/40

14px · LH 1.57

Hierarchy

/20

25/25

4.57x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Open Sans

Sans64px

Body Font

sans-serif

Sans14px

Contrast Ratio

Reading Comfort

~38 CPL

Needs attention

64px

32px

20px

14px

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

✅ Optimal line spacing: 1.57 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 4.6x larger than body text.

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

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

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

GGoogle Fonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

MixpanelMid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Social Media

ShareThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

sharethis.com(6)googletagmanager.com(2)count-server.sharethis.com(1)google-analytics.com(1)cdn.mxpnl.com(1)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 16 Feb 2026 at 17:10

Historical Analysis & Change Tracking