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

pnnl.gov

https://pnnl.gov· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

pnnl.gov

Sponsored

Hosting Provider

Battelle Memorial Institute, Pacific Northwest Division

IP Address

192.101.105.198

Server Location

🇺🇸 Richland, United States

ASN

AS3428

Organization

Battelle Memorial Institute, Pacific Northwest Division

Nameservers

adns1.es.net.adns2.es.net.

Performance

Page Speed

1.7 MB

94 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Drupal

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

9 Technologies Detected

Analytics

Libraries

UI Components

Other

CSS Frameworks

Fonts

Tag Managers

Marketing

SEO Analysis

B70/100

pnnl.govpnnl.gov

Pacific Northwest National Laboratory | PNNL

PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges.

Title Length44 chars

Recommended: 50-60 chars

Description Length115 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

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Crawlability

Sitemap

robots.txt

67 rules

Sponsored

Security Score

56%Poor

Interactive

HTTPS

No WAF

181d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

19.08.2025

Valid Until

18.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

*.pnnl.govpnnl.govexternalF5.pnnl.gov

SHA-256 Fingerprint

19:E8:74:6C:59:F5:17:FD:0D:42:29:02:8E:D7:B1:06:EF:72:4D:75...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-headers

Content-Type, Accept, X-CSRF-Token

access-control-allow-methods

GET, POST, PUT, DELETE, OPTIONS

cache-control

🔴 No Cache(must-revalidate, no-cache, private)

connection

Keep-Alive

content-type

text/html; charset=UTF-8

content-language

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

pnnl-gov.mail.protection.outlook.com

Domain Information

pnnl.gov

Domain Age

15y 11m

Created

08.03.2010

Expires

15.01.2027

Last Updated

20.01.2026

Registrar

get.gov

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Merriweather + serif

49/100

Readability

/30

25/40

65px · LH 1.10

Hierarchy

/20

11/25

0.85x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Merriweather

Serif55px

Body Font

serif

Serif65px

Contrast Ratio

Reading Comfort

~140 CPL

Needs attention

55px

28px

22px

65px

✅ Excellent readability: 65px body text is ideal for all devices.

⚠️ Tight line spacing (1.10). Consider 1.4-1.6 for better readability.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 2 font families keeps load times fast.

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

✅ Protected text on images: Using gradient for readability.

GGoogle Fonts

Business & Marketing Stack

4 Tools Detected

Enterprise

CRM Systems

HubSpotMid-Market

Customer Relationship Management platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(15)googletagmanager.com(2)js.hubspot.com(1)js.hs-analytics.net(1)js.hs-banner.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube

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Last analyzed: 18 Feb 2026 at 04:32

Historical Analysis & Change Tracking