blackfire.io
Crush performance bottlenecks | Blackfire PHP & Python Observability
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Great
Summary
Blackfire's continuous observability solution empowers developers to monitor their applications' real-time behavior and proactively identify existing bottlenecks or the consequences of upcoming changes before they reach… This website uses Gatsby hosted on AWS. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Blackfire's continuous observability solution empowers developers to monitor their applications' real-time behavior and proactively identify existing bottlenecks or the consequences of upcoming changes before they reach production.
- United States
- Hosted on AWS
Top issues to fix
8 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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
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.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
862 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Crush performance bottlenecks | Blackfire PHP & Python Observability
- Description
- Blackfire's continuous observability solution empowers developers to monitor their applications' real-time behavior and proactively identify existing bottlenecks or the consequences of upcoming changes before they reach production.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
- https://www.blackfire.io/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- —
- IP address
- 13.51.62.86
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- about.blackfire.io
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 48
- SAN domains
- about.blackfire.io, status.blackfire.io, support.blackfire.io, www.blackfire.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 12 · H3 0
Links
26 internal · 23 external · 1 broken
Images
43 total · 0 missing alt
Scripts / Styles
30 scripts · 0 stylesheets
JS / CSS size
319 KB · 59.0 KB
Page size
148 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://blackfire.io
- Final URL
- https://www.blackfire.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 859 ms
- HTML size
- 148 KB
- Redirect chain
- https://blackfire.io → https://www.blackfire.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does blackfire.io use?
- blackfire.io is built with Gatsby.
- Is blackfire.io secure (HTTPS)?
- Yes. blackfire.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts blackfire.io?
- blackfire.io is hosted on AWS.
- What is blackfire.io's SEO score?
- blackfire.io scored 65/100 for SEO in the latest analysis (fair).
- What is blackfire.io's overall website score?
- blackfire.io has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card