StackOptic
Back to Search
springsource.com favicon

springsource.com

https://springsource.com· First analyzed 12 May 2026· Updated 12 May 2026
Export
springsource.com
Desktop screenshot of springsource.com
Mobile screenshot of springsource.com
Mobile

Sponsored

Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.18.41.101

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

mary.ns.cloudflare.com.theo.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
543 ms10%
Speed Index
706 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
311 KB
42 requests
0–49
50–89
90–100

Architecture Stack

Hybrid
⚡ SSG
Frontend
Framework
Gatsbyv5.13.7
Infrastructure
Hosting
Cloudflare
CDN
Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Frameworks

1
Angular

Meta Frameworks

1
Gatsby

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Analytics

1
Google Analytics

Tag Managers

1
Google Tag Manager

CDN

1
Cloudflare

SEO Analysis

D56/100
16
7
1
Meta Tags5/15
Content3/12
Headings6/8
Technical18/25
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile3/4
Indexability3/3
S
springsource.comspringsource.com

Spring | Home

Level up your Java code and explore what Spring can do for you.

Title Length13 chars

Recommended: 50-60 chars (~79px / 580px)

Description Length63 chars

Recommended: 120-160 chars

Issues (1)

  • • Very thin content (0 words). Search engines need substantial content for ranking.

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

1 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

3/100
Poor
1 14 2

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

Sponsored

AI & LLM Readiness

F31/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
0/25
Citation
4/25

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.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:1%
Words:634
Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headings
Canonical URL
Open Graph1/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (12)
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.
C
60/100
7
Passed
6
Critical
0
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
3/20
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
14/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
7/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
1/15
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.
79/100
A+
31 mg
CO₂e / view
310.7 KB
Page Weight
90%
Cleaner Than
New Visitor
36 mg
vs
Returning (cached)
18 mg
Annual (10K/mo)
3.8 kg
Emission Segments
Data Center
2 mg
Network
9 mg
Device
21 mg
Resource Breakdown
JavaScript
116.4 KB
Images
23.1 KB
CSS
81.1 KB
HTML
63.0 KB
Other
27.1 KB
Green Hosting Verified
Cloudflare
GWF Verified
C

Security Score

66%Fair
Interactive

HTTPS

WAF

319d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

24.02.2026

Valid Until

27.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (3)

*.spring.iospring.io*.enterprise.spring.io

SHA-256 Fingerprint

2C:94:57:02:0C:8B:E0:3D:3C:C8:5E:96:A8:D0:51:2C:61:C4:32:EA...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin
*
cache-control
🟡 0s(public, max-age=0, must-revalidate)
cf-cache-status
DYNAMIC
cf-ray🇫🇷 Paris
9fa739c4fe629ed5-CDG
content-encoding
⚡ Brotli(br)
content-type
text/html; charset=utf-8
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

75

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mail1b.vmware.com
mail1.vmware.com

Domain Information

springsource.com

Domain Age
22 years

Created

16.05.2004

Expires

16.05.2027

Last Updated

12.05.2026

Registrar

CSC Corporate Domains, Inc.

DNSSEC
Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner
OneTrust
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: OneTrust
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
72/100
Mobile Friendly267 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, shrink-to-fit=no
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Metropolis + Open Sans

WCAG Partial
65/100
Readability
/30
13/30

13px · LH 1.50

Hierarchy
/20
15/20

4.75x ratio

WCAG
/25
19/25

1:1 min contrast

Performance
/25
18/25

2 fonts · 5 req

Heading Font

Metropolis

Sans61px

Body Font

Open Sans

Sans13px

Contrast Ratio

1:1

1 issue

Reading Comfort

~39 CPL

Narrow lines
61px
h1
26px
h2
13px
p

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

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

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 4.8x larger than body text.

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

Buy on MyFontsFlesch 56

Color Palette

8 unique colors
7.51:1 AAA Light
#ffffff
Background· 58.800000000000004%
#4f574b
Other· 3.3%
#eaf3f2
Background· 17.1%
#80ea6e
Accent· 9.600000000000001%
#6db33f
Primary· 8.3%
#b7d9ae
Secondary· 1.6%
#d5f1d8
Secondary· 1%
#77d85d
Accent· 0.3%

Business & Marketing Stack

4 Tools Detected

Enterprise

Marketing Automation

1
MarketoEnterprise

Email marketing and automation platforms

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

1
OneTrustEnterprise

Cookie consent and privacy compliance tools

3

Categories

4

Total Tools

2

Enterprise

0

Mid-Market

Assessment: Sophisticated marketing and sales technology infrastructure

Sponsored

Scripts & Styles

6 Resources

6
Scripts
0
Styles
3
Async
2
Defer

Top Script Sources

local(3)static.cloudflareinsights.com(2)cdn.cookielaw.org(1)

Website Identity

springsource.com

22 years old
Location detected: 🇨🇦 Canadavia ip
CSC Corporate Domains, Inc.en

Sponsored

Last analyzed: 12 May 2026 at 06:04

Historical Analysis & Change Tracking