sobrief.com

https://sobrief.com· First analyzed 16 May 2026· Updated 16 May 2026

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sobrief.com

$Desktop screenshot of sobrief.com$

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.26.1.186

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

greg.ns.cloudflare.com.ariella.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.5 s10%

Speed Index

2.0 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

48 KB

47 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Platform

Render

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

12 Technologies Detected

Analytics

Google Analytics

Facebook Pixel PostHog

Advertising

Google Ads Google AdSense Twitter Ads

Libraries

CSS Frameworks

Tag Managers

Customer Support

CDN

Frameworks

SEO Analysis

B70/100

Meta Tags13/15

Content9/12

Headings8/8

Technical15/25

E-E-A-T3/7

Images3/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile1/4

Indexability3/3

sobrief.comsobrief.com

SoBrief: 26,000+ Free Book Summaries | Audio, PDF & EPUB

Read any book in 10 minutes. 100% free to read. Fiction and non-fiction summaries. Audio in 40 languages. World's largest summary catalog. Read Top 100 Books...

Description truncated.

Title Length56 chars

Recommended: 50-60 chars (~337px / 580px)

Description Length214 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (293/519) — critical for accessibility and SEO

8 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

6 rules

Local SEO

Local Search Readiness

16/100

Poor

4 13 1

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D40/100

Bot Access

20/25

Machine Read.

10/25

Schema Data

0/25

Citation

10/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txtvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:5%

Words:3,868

Token eff.:Poor Structure

Sections/1K:1.3

Structured Data

1 JSON-LD

Citation Readiness

Opening Summary

Descriptive Headingsavg 5.8w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

AI readiness recommendation preview...

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Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

73/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

14/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

15/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

5/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

4/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

1 recommendation

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

83/100

A+

5 mg

CO₂e / view

47.7 KB

Page Weight

95%

Cleaner Than

New Visitor

6 mg

Returning (cached)

3 mg

Annual (10K/mo)

576 g

Emission Segments

Data Center

<0.001 g

Network

1 mg

Device

3 mg

Resource Breakdown

HTML

47.3 KB

Other

428 B

Green Hosting Verified

Cloudflare

GWF Verified

2 recommendations

•Carbon footprint recommendation preview...

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Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

50d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

07.04.2026

Valid Until

06.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

sobrief.com

SHA-256 Fingerprint

77:AA:6B:87:9A:56:ED:A9:8C:69:CC:22:6F:9B:3D:54:C1:C4:05:3A...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray

9fcd4364481bcf12-SJC

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=utf-8

date

Sat, 16 May 2026 20:51:56 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

alt2.aspmx.l.google.com

alt3.aspmx.l.google.com

alt4.aspmx.l.google.com

alt1.aspmx.l.google.com

+1 more

Domain Information

sobrief.com

Domain Age

1y 10m

Created

25.06.2024

Expires

25.06.2026

Last Updated

27.05.2025

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

74/100

Mobile Friendly4 breakpoints

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1.0, viewport-fit=cover

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Iowan Old Style + Inter

WCAG Partial

74/100

Readability

/30

22/30

16px · LH 1.24

Hierarchy

/20

20/20

4.62x ratio · ✓ H1→H6

WCAG

/25

16/25

3.69:1 min contrast

Performance

/25

16/25

2 fonts

Heading Font

Iowan Old Style

Sans74px

Body Font

Inter

Sans16px

Contrast Ratio

3.69:1

3 issues

Reading Comfort

Dual Sans-Serif

left aligned

74px

29px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

⚠️ Tight line spacing (1.24). Increase to 1.4–1.6 for better readability.

⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 3.7:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

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

✅ Lean font stack: 2 font families keeps load times fast.

Buy on MyFontsFlesch 59

Color Palette

6 unique colors

Light

#fafafa

Primary· 77.89999999999999%

#9a725a

Secondary· 5.5%

#573a31

Secondary· 4.7%

#715a4e

Secondary· 4.2%

#d0c6bd

Secondary· 4%

#2a2121

Secondary· 3.6%

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

files.sobrief.com(2)static.cloudflareinsights.com(1)

Website Identity

SoBrief: 26,000+ Free Book Summaries | Audio, PDF & EPUB

SoftwareApplication

sobrief.com/

1 year old

Location detected: 🇨🇦 Canadavia ip

GoDaddy.com, LLC📧 Google Workspaceen

Social Profiles

X (Twitter)

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Last analyzed: 16 May 2026 at 20:52

Historical Analysis & Change Tracking