sentry.io
Application Performance Monitoring & Error Tracking Software | Sentry
Last scanned Jul 29, 2026, 11:00 AM · 20 views
Overall score
Great
Summary
Sentry helps developers monitor errors, crashes, and performance issues in real time with rich context to fix problems faster. This website uses Plausible Analytics behind Vercel CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Sentry
Sentry helps developers monitor errors, crashes, and performance issues in real time with rich context to fix problems faster. Sentry can provide Error Monitoring, Structured Logs, Tracing, Session Replay, AI debugging, and much more.
Top issues to fix
8 issues found
TLS certificate expires in 26 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
567 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 15, 2026
- Overall
- 88
- SEO
- 80
- Security
- 85
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Sentry
Sentry helps developers monitor errors, crashes, and performance issues in real time with rich context to fix problems faster. Sentry can provide Error Monitoring, Structured Logs, Tracing, Session Replay, AI debugging, and much more.
- Founded
- Jan 1, 2011
Contact
Email, phone, and address published on this site's own pages.
- media@sentry.io
Meta tags
- Title
- Application Performance Monitoring & Error Tracking Software | Sentry
- Description
- Application performance monitoring for developers & software teams to see errors clearer, solve issues faster & continue learning continuously. Get started at sentry.io.
- Canonical
- https://sentry.io/welcome/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Vercel
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- sentry.io
- Valid from
- Jul 24, 2025
- Valid to
- Aug 24, 2026
- Days until expiry
- 26
- SAN domains
- sentry.io, *.sentry.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 8 · H3 28
Links
51 internal · 22 external · 20 broken
Images
44 total · 0 missing alt
Scripts / Styles
31 scripts · 3 stylesheets
JS / CSS size
80.6 KB · 14.5 KB
Page size
613 KB
Robots.txt & Sitemap
- robots.txt
- Not 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sentry.io
- Final URL
- https://sentry.io/welcome/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 555 ms
- HTML size
- 613 KB
- Redirect chain
- https://sentry.io → https://sentry.io/welcome/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sentry.io use?
- sentry.io is built with Astro, Plausible Analytics, Nginx.
- Is sentry.io secure (HTTPS)?
- Yes. sentry.io uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Aug 24, 2026.
- Who hosts sentry.io?
- Hosting provider information for sentry.io is not available yet.
- What is sentry.io's SEO score?
- sentry.io scored 80/100 for SEO in the latest analysis (great).
- What is sentry.io's overall website score?
- sentry.io has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates sentry.io?
- sentry.io is operated by Sentry. Sentry helps developers monitor errors, crashes, and performance issues in real time with rich context to fix problems faster. Sentry can provide Error Monitoring, Structured Logs, Tracing, Session Replay, AI debugging, and much more.
- Has sentry.io's score changed over time?
- sentry.io's overall score has declined by 3 points (from 91 to 88) since Jul 15, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card