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plain.com

Plain — The AI Support Stack Built for B2B

Last scanned Jul 26, 2026, 5:47 AM

86

Overall score

Great

Summary

Plain is the AI support stack built for B2B teams. This website uses Google Analytics behind Vercel CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.

Top issues to fix

6 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

85

SEO

3 issue(s) found

80

Performance

1.12 s

80

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.

X (Twitter)

Meta tags

Title
Plain — The AI Support Stack Built for B2B
Description
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.
Canonical
https://www.plain.com/
Language
en
Charset
utf-8
Viewport
width=device-width
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Plain — The AI Support Stack Built for B2B
og:description
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.
og:type
website
og:url
https://www.plain.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
Plain — The AI Support Stack Built for B2B
twitter:description
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Vercel
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.plain.com
Valid from
Jun 28, 2026
Valid to
Sep 26, 2026
Days until expiry
59
SAN domains
www.plain.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 16 · H3 4

Links

31 internal · 14 external · 20 broken

Images

37 total · 0 missing alt

Scripts / Styles

18 scripts · 0 stylesheets

JS / CSS size

21.3 KB · 287 KB

Page size

900 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • 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://plain.com
Final URL
https://www.plain.com/
HTTP status
200
HTTP version
HTTP/2
Response time
1.10 s
HTML size
900 KB
Redirect chain
https://plain.com → https://www.plain.com/

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Frequently asked questions

What technology does plain.com use?
plain.com is built with Google Analytics.
Is plain.com secure (HTTPS)?
Yes. plain.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 26, 2026.
Who hosts plain.com?
Hosting provider information for plain.com is not available yet.
What is plain.com's SEO score?
plain.com scored 85/100 for SEO in the latest analysis (great).
What is plain.com's overall website score?
plain.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.