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fusionauth.io

https://fusionauth.io· First analyzed 01 May 2026· Updated 01 May 2026
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fusionauth.io
Desktop screenshot of fusionauth.io
Mobile screenshot of fusionauth.io
Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

3.174.113.73

Site Location

🇫🇮 Finlandvia ip

Server Location

🇫🇮 Helsinki, Finland

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-1530.awsdns-63.org.ns-1619.awsdns-10.co.uk.ns-53.awsdns-06.com.ns-591.awsdns-09.net.

Performance

73

Core Web Vitals

Weight

First Contentful Paint
5.0 s10%
Speed Index
6.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
109 KB
138 requests

Image Optimization

Lazy LoadWebPAVIFResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Webflow

Technology Stack

13 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
PostHog

Advertising

2
Google AdsLinkedIn Ads

Libraries

1
jQueryv3.5.1

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Tag Managers

1
Google Tag Manager

Marketing

1
HubSpot

Email Marketing

1
Mailchimp

CDN

1
Cloudflare

SEO Analysis

B79/100
24
4
1
Meta Tags15/15
Content10/12
Headings8/8
Technical20/25
E-E-A-T2/7
Images4/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile3/4
Indexability3/3
F
fusionauth.iofusionauth.io

Authentication & User Management Software - FusionAuth

FusionAuth provides complete auth software and user management solutions, with customizable tools like SSO, MFA, and integrations for OAuth2 and OpenID Connect.

Title Length54 chars

Recommended: 50-60 chars (~336px / 580px)

Description Length160 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (109/150) — critical for accessibility and SEO

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

24 rules

Sitemap reference found

Local SEO

Local Search Readiness

25/100
Needs Work
7 13 1

Sponsored

AI & LLM Readiness

D51/100
Bot Access
20/25
Machine Read.
14/25
Schema Data
1/25
Citation
16/25

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.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
nav
Text ratio:5%
Words:1,164
Token eff.:Optimal
Depth:1/5

Structured Data

1 JSON-LD
sameAs entity links

Citation Readiness

Opening Summary144w
Descriptive Headingsavg 4w
Canonical URL
Open Graph3/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (9)
AI readiness recommendation preview...
Upgrade to view recommendations

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.
B
76/100
11
Passed
2
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
17/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
10/15
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
3/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

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.
78/100
A+
11 mg
CO₂e / view
109.5 KB
Page Weight
95%
Cleaner Than
New Visitor
13 mg
vs
Returning (cached)
6 mg
Annual (10K/mo)
1.3 kg
Emission Segments
Data Center
<0.001 g
Network
3 mg
Device
7 mg
Resource Breakdown
JavaScript
74.1 KB
Images
2.3 KB
CSS
3.2 KB
HTML
29.8 KB
Green Hosting Verified
Amazon Web Services (AWS)
Provider Match
4 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

45%Poor
Critical / Transactional

HTTPS

WAF

290d

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

17.01.2026

Valid Until

15.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

fusionauth.io*.fusionauth.io

SHA-256 Fingerprint

2D:CF:2B:2E:22:E3:6D:5C:19:5C:C9:31:52:E0:72:7F:EE:CB:D3:32...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin
https://account.fusionauth.io
age
140020
cf-cache-status
HIT
cf-ray
9f4f6db90b1eff11-PDX
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=utf-8
Good Warning Issue

Email Infrastructure

Google Workspace

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (5)

aspmx2.googlemail.com
aspmx3.googlemail.com
alt1.aspmx.l.google.com
alt2.aspmx.l.google.com

+1 more

Domain Information

fusionauth.io

Domain Age
7y 9m

Created

25.07.2018

Expires

25.07.2026

Last Updated

25.06.2025

Registrar

Gandi SAS

DNSSEC
Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner
Cookiebot
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Cookiebot
Privacy policy page linked

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.
B
76/100
Mobile Friendly1 breakpoint
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
1 recommendation
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Inter

WCAG Partial
76/100
Readability
/30
23/30

16px · LH 1.40

Hierarchy
/20
17/20

3.75x ratio

WCAG
/25
16/25

1:1 min contrast

Performance
/25
20/25

1 font · 1 req

Heading Font

Inter

Sans60px

Body Font

Inter

Sans16px

Contrast Ratio

1:1

41 issues

Reading Comfort

~43 CPL

Narrow lines
60px
h1
60px
h2
32px
h3
20px
h4
16px
p

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

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 32/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 41 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 3.8x larger than body text.

Buy on MyFontsFlesch 32

Color Palette

9 unique colors
Light
#3f2b95
Primary· 19.1%
#3f2452
Secondary· 18.3%
#562a88
Accent· 15.3%
#0c1527
Accent· 9.2%
#38267d
Accent· 7.699999999999999%
#af72a0
Secondary· 6.5%
#6a3b91
Secondary· 4.8%
#51306d
Secondary· 3%

Business & Marketing Stack

8 Tools Detected

Enterprise

CRM Systems

1
HubSpotMid-Market

Customer Relationship Management platforms

Marketing Automation

2
MarketoEnterprise
MailchimpSMB

Email marketing and automation platforms

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

Advertising

1
LinkedIn AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

2
CookieYesSMB
CookiebotMid-Market

Cookie consent and privacy compliance tools

5

Categories

8

Total Tools

2

Enterprise

2

Mid-Market

Assessment: Sophisticated marketing and sales technology infrastructure

Sponsored

Scripts & Styles

23 Resources

20
Scripts
3
Styles
15
Async
0
Defer

Top Script Sources

googletagmanager.com(3)tr.capterra.com(2)cdn.bizible.com(1)snap.licdn.com(1)cdn.vector.co(1)

Website Identity

FusionAuth

FusionAuth

Corporation
7 years old

11080 Circle Point Rd #405, Westminster

80020, Westminster, CO

Location detected: 🇫🇮 Finlandvia ip
Gandi SAS📧 Google Workspaceen-US

Sponsored

Last analyzed: 01 May 2026 at 16:56

Historical Analysis & Change Tracking