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

bnl.gov

https://bnl.gov· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

bnl.gov

Sponsored

Hosting Provider

Brookhaven National Laboratory

IP Address

130.199.3.23

Server Location

🇺🇸 Sound Beach, United States

ASN

AS43

Organization

Brookhaven National Laboratory

Server

Apache

Nameservers

ns3.bnl.gov.adns1.es.net.adns2.es.net.ns2.bnl.gov.

Performance

Page Speed

1.6 MB

41 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Brookhaven National Laboratory

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

8 Technologies Detected

Libraries

Analytics

CSS Frameworks

Icon Libraries

Fonts

Web Servers

SEO Analysis

D47/100

bnl.govbnl.gov

Brookhaven National Laboratory — a passion for discovery

We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and ...

Description truncated.

Title Length56 chars

Recommended: 50-60 chars

Description Length357 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

7 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

8 rules

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

250d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Internet2

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

24.09.2025

Valid Until

25.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

bnl.gov*.bnl.govwww.bnl.gov

SHA-256 Fingerprint

08:8B:81:80:E8:64:4E:A5:98:86:B0:29:F2:95:9F:A1:DD:6A:32:FC...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

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

content-type

text/html; charset=UTF-8

date

Tue, 17 Feb 2026 15:45:37 GMT

expires

pragma

no-cache

server

Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mxa-00008201.gslb.pphosted.com

mxb-00008201.gslb.pphosted.com

Domain Information

bnl.gov

Domain Age

28y 4m

Created

02.10.1997

Expires

21.08.2026

Last Updated

05.10.2025

Registrar

get.gov

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Arial

51/100

Readability

/30

25/40

17px · LH 1.00

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Arial

Sans

Body Font

Arial

Sans17px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

39px

19px

24px

17px

✅ Excellent readability: 17px body text is ideal for all devices.

⚠️ Tight line spacing (1.00). Consider 1.4-1.6 for better readability.

✅ 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.

⚠️ Cramped layout: 32 elements lack adequate spacing.

GGoogle Fonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Sponsored

Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(8)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 17 Feb 2026 at 15:45

Historical Analysis & Change Tracking