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

exblog.jp

https://exblog.jp· First analyzed 12 Feb 2026· Updated 12 Feb 2026

Export

exblog.jp

Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

13.159.244.57

Server Location

🇯🇵 Tokyo, Japan

ASN

AS16509

Organization

AWS EC2 (ap-northeast-1)

Server

Nginx

Nameservers

ns-1077.awsdns-06.org.ns-1976.awsdns-55.co.uk.ns-323.awsdns-40.com.ns-621.awsdns-13.net.

Performance

Page Speed

34 KB

53 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

Alpine.js

Infrastructure

Hosting

Amazon Web Services (AWS)

Technology Stack

8 Technologies Detected

Analytics

Frameworks

Libraries

CSS Frameworks

Icon Libraries

Tag Managers

Web Servers

SEO Analysis

D52/100

exblog.jpexblog.jp

エキサイトブログ｜使いやすい無料ブログ

写真家やプロカメラマンも愛用する画像にこだわる無料ブログサービス。洗練されたデザインで、料理、暮らし、アートなど、あらゆるテーマを自由に表現できます。アクセス解析、アフィリエイト、リッチリンクなどの機能も充実。

Title Length19 chars

Recommended: 50-60 chars

Description Length105 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

6 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

3546 rules

Allows all crawlers

Sponsored

Security Score

21%Critical

Interactive

HTTPS

No WAF

89d

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

13.04.2025

Valid Until

12.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

*.exblog.jp

SHA-256 Fingerprint

B5:36:6B:57:2D:44:35:BB:8C:D6:7B:45:97:1C:F3:62:5F:C3:7D:AE...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-language

en-GB

content-type

text/html;charset=UTF-8

date

Thu, 12 Feb 2026 14:47:05 GMT

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

smtp40.excite.co.jp

Domain Information

exblog.jp

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

ui-sans-serif

58/100

Readability

/30

20/40

12px · LH 1.80

Hierarchy

/20

8/25

1.33x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

ui-sans-serif

Sans16px

Body Font

ui-sans-serif

Sans12px

Contrast Ratio

Reading Comfort

~52 CPL

Optimal (45–75)

16px

20px

16px

12px

Minor Second

Scale

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.80 ratio ensures comfortable reading.

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

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

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

✅ Optimal line length: ~52 characters per line is comfortable to read.

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(2)s.eximg.jp(2)

Website Identity

Facebook X (Twitter)

Sponsored

Last analyzed: 12 Feb 2026 at 14:47

Historical Analysis & Change Tracking