flowingdata.com
FlowingData - Data Visualization and Statistics
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Excellent
Summary
An exploration of how we use analysis and visualization to understand data and ourselves. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing canonical link.
An exploration of how we use analysis and visualization to understand data and ourselves.
- United States
- Hosted on Cloudflare
Top issues to fix
6 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
333 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
An exploration of how we use analysis and visualization to understand data and ourselves.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- FlowingData - Data Visualization and Statistics
- Description
- An exploration of how we use analysis and visualization to understand data and ourselves.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, user-scalable=yes
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.25.20.110
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- flowingdata.com
- Valid from
- Jun 12, 2026
- Valid to
- Sep 10, 2026
- Days until expiry
- 46
- SAN domains
- *.flowingdata.com, flowingdata.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 20 · H2 2 · H3 26
Links
124 internal · 26 external · 1 broken
Images
31 total · 3 missing alt
Scripts / Styles
23 scripts · 22 stylesheets
JS / CSS size
165 KB · 259 KB
Page size
195 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://flowingdata.com
- Final URL
- https://flowingdata.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 330 ms
- HTML size
- 195 KB
- Redirect chain
- https://flowingdata.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does flowingdata.com use?
- flowingdata.com is built with WordPress, jQuery, Cloudflare Analytics.
- Is flowingdata.com secure (HTTPS)?
- Yes. flowingdata.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 10, 2026.
- Who hosts flowingdata.com?
- flowingdata.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is flowingdata.com's SEO score?
- flowingdata.com scored 75/100 for SEO in the latest analysis (fair).
- What is flowingdata.com's overall website score?
- flowingdata.com has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
- Is flowingdata.com hiring?
- flowingdata.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card