missiveapp.com
Missive · Inbox collaboration for teams that run on email
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Great
Summary
See what’s going on, know who’s doing what, and collaborate behind the scenes — without changing your workflow. This website uses jQuery behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.
See what’s going on, know who’s doing what, and collaborate behind the scenes — without changing your workflow. Try for free!
Top issues to fix
7 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 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.
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 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
1.26 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
See what’s going on, know who’s doing what, and collaborate behind the scenes — without changing your workflow. Try for free!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Missive · Inbox collaboration for teams that run on email
- Description
- See what’s going on, know who’s doing what, and collaborate behind the scenes — without changing your workflow. Try for free!
- Canonical
- https://missiveapp.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- 18.67.195.25
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- *.missiveapp.com
- Valid from
- Feb 4, 2026
- Valid to
- Mar 4, 2027
- Days until expiry
- 221
- SAN domains
- *.missiveapp.com, missiveapp.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 9 · H2 1 · H3 0
Links
44 internal · 5 external · 1 broken
Images
36 total · 0 missing alt
Scripts / Styles
17 scripts · 2 stylesheets
JS / CSS size
762 KB · 149 KB
Page size
105 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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://missiveapp.com
- Final URL
- https://missiveapp.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.26 s
- HTML size
- 105 KB
- Redirect chain
- https://missiveapp.com
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Frequently asked questions
- What technology does missiveapp.com use?
- missiveapp.com is built with jQuery.
- Is missiveapp.com secure (HTTPS)?
- Yes. missiveapp.com uses TLS 1.3 with a certificate issued by Amazon, valid until Mar 4, 2027.
- Who hosts missiveapp.com?
- Hosting provider information for missiveapp.com is not available yet.
- What is missiveapp.com's SEO score?
- missiveapp.com scored 80/100 for SEO in the latest analysis (great).
- What is missiveapp.com's overall website score?
- missiveapp.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card