symfony.com
Symfony, High Performance PHP Framework for Web Development
Last scanned Jul 21, 2026, 12:33 PM
Overall score
Excellent
Top issues to fix
3 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.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
8 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
Summary
Symfony is a web framework and a set of reusable PHP packages to build web applications, APIs, microservices and CLI apps. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100).
SEO
0 issue(s) found
Performance
276 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Source: https://symfony.com/support
Meta tags
- Title
- Symfony, High Performance PHP Framework for Web Development
- Description
- Symfony is a web framework and a set of reusable PHP packages to build web applications, APIs, microservices and CLI apps.
- Canonical
- https://symfony.com/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, all
- Manifest
- https://symfony.com/static/webmanifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.26.5.251
- 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
- symfony.com
- Valid from
- Jun 6, 2026
- Valid to
- Sep 4, 2026
- Days until expiry
- 45
- SAN domains
- *.symfony.com, blog.insight.symfony.com, get.insight.symfony.com, sandbox.cmf.symfony.com, symfony.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 12 · H3 1
Links
50 internal · 55 external · 8 broken
Images
7 total · 3 missing alt
Scripts / Styles
11 scripts · 8 stylesheets
JS / CSS size
47.0 KB · 126 KB
Page size
144 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Found
- URLs in sitemap
- 1562
SEO issues
No SEO issues detected.
Accessibility issues
- More than 20% of images are missing alt text
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://symfony.com
- Final URL
- https://symfony.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 274 ms
- HTML size
- 144 KB
- Redirect chain
- https://symfony.com
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Frequently asked questions
- What technology does symfony.com use?
- symfony.com is built with Bootstrap, Cloudflare Analytics.
- Is symfony.com secure (HTTPS)?
- Yes. symfony.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 4, 2026.
- Who hosts symfony.com?
- symfony.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is symfony.com's SEO score?
- symfony.com scored 100/100 for SEO in the latest analysis (excellent).
- What is symfony.com's overall website score?
- symfony.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What company operates symfony.com?
- symfony.com is operated by Symfony.
- Is symfony.com hiring?
- symfony.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card