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sfsymphony.org

https://sfsymphony.org· First analyzed 30 Apr 2026· Updated 30 Apr 2026
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sfsymphony.org
Desktop screenshot of sfsymphony.org
Mobile screenshot of sfsymphony.org
Mobile

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Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.20.19.124

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Kestrel

CDN

Cloudflare

WAF

Cloudflare

Nameservers

norm.ns.cloudflare.com.violet.ns.cloudflare.com.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
773 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.4 MB
71 requests

Image Optimization

Lazy Loadimgix
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Ghost

Technology Stack

10 Technologies Detected

Libraries

2
jQueryv3.3.1
Moment.js

Analytics

2
Google Analytics
Hotjar

Social

2
AddThisShareThis

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

SEO Analysis

D59/100
16
9
1
Meta Tags8/15
Content12/12
Headings3/8
Technical12/25
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile4/4
Indexability3/3
S
sfsymphony.orgsfsymphony.org

San Francisco Symphony - Home

The San Francisco Symphony is among the most adventurous and innovative arts institutions in the United States.

Title Length29 chars

Recommended: 50-60 chars (~183px / 580px)

Description Length111 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing H1 tag — every page should have exactly one H1

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

17 rules

Sitemap reference found

Local SEO

Local Search Readiness

16/100
Poor
5 10 2

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

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AI & LLM Readiness

D45/100
Bot Access
20/25
Machine Read.
15/25
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.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
navheader/footer
Text ratio:4%
Words:513
Token eff.:Optimal
Sections/1K:17.5
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary11w
Descriptive Headingsavg 3.9w
Canonical URL
Open Graph3/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
AI readiness recommendation preview...
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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.
A
80/100
12
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
13/20
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
13/15
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.
2 recommendations
  • •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.
41/100
D
249 mg
CO₂e / view
2.4 MB
Page Weight
30%
Cleaner Than
New Visitor
284 mg
vs
Returning (cached)
142 mg
Annual (10K/mo)
29.9 kg
Emission Segments
Data Center
12 mg
Network
73 mg
Device
164 mg
Resource Breakdown
JavaScript
136.1 KB
Images
287.1 KB
CSS
1.8 MB
Fonts
211.4 KB
HTML
11.9 KB
Other
1.5 KB
Green Hosting Verified
Cloudflare
GWF Verified
7 recommendations
  • •Carbon footprint recommendation preview...
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D

Security Score

46%Poor
Interactive

HTTPS

No WAF

39d

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

Valid From

11.03.2026

Valid Until

09.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

sfsymphony.org*.sfsymphony.org

SHA-256 Fingerprint

43:96:1F:D1:8F:B0:BC:A8:2E:8A:A7:81:E9:60:92:3F:FD:80:5F:C3...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-store,no-cache)
content-type
text/html; charset=utf-8
date
Thu, 30 Apr 2026 22:32:35 GMT
p3p
CP="NOI ADM DEV PSAi COM NAV OUR OTR STP IND DEM"
pragma
no-cache
server
Kestrel
Good Warning Issue

Email Infrastructure

Mimecast

Score

65

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

us-smtp-inbound-1.mimecast.com
us-smtp-inbound-2.mimecast.com

Domain Information

sfsymphony.org

Domain Age
30y 2m

Created

20.02.1996

Expires

21.02.2027

Last Updated

23.12.2021

Registrar

Network Solutions, LLC

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.
C
69/100
Mobile Friendly10 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
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

ABCSymphonyText + Inter

WCAG Partial
53/100
Readability
/30
16/30

13px · LH 1.85

Hierarchy
/20
7/20
WCAG
/25
14/25

1:1 min contrast

Performance
/25
16/25

2 fonts · 9 req

Heading Font

ABCSymphonyText

Sans

Body Font

Inter

Sans13px

Contrast Ratio

1:1

24 issues

Reading Comfort

~47 CPL

Optimal (45–75)
48px
h2
13px
p

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

⚠️ Wide line spacing (1.85). 1.4–1.6 is optimal for body text.

✅ Optimal line length: ~47 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 24 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

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

GGoogle FontsBuy on MyFonts

Color Palette

9 unique colors
16.35:1 AAA Light
#eaeaea
Other· 29.000000000000004%
#0b0b0c
Text· 5.8%
#292232
Primary· 5.8%

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

3
Google Tag ManagerFree
HotjarMid-Market
Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

1
OneTrustEnterprise

Cookie consent and privacy compliance tools

Social Media

2
ShareThisFree
AddThisFree

Social widgets and sharing tools

3

Categories

6

Total Tools

1

Enterprise

1

Mid-Market

Assessment: Sophisticated marketing and sales technology infrastructure

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Scripts & Styles

23 Resources

20
Scripts
3
Styles
7
Async
1
Defer

Top Script Sources

local(10)cdn.jst.ai(2)cdn.cookielaw.org(2)googletagmanager.com(1)cdnjs.cloudflare.com(1)

Website Identity

sfsymphony.org

patronservices@sfsymphony.org
30 years old
Location detected: 🇨🇦 Canadavia ip
Network Solutions, LLC📧 Mimecasten-us

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Last analyzed: 30 Apr 2026 at 22:32

Historical Analysis & Change Tracking