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SGSiteGraph

slt.bio

403: FORBIDDEN

Last scanned Jul 26, 2026, 5:17 AM · 1 view

77

Overall score

Fair

Summary

This website is hosted on Cloudflare. SEO is fair (50/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.

United States
Hosted on Cloudflare

Top issues to fix

10 issues found · 3 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 meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

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

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

+4 more issues — details in the sections below.

50

SEO

7 issue(s) found

100

Performance

166 ms

75

Security

HTTPS & header checks

90

Accessibility

1 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.

Contact

Email, phone, and address published on this site's own pages.

Source: https://slt.bio/support

Meta tags

Title
403: FORBIDDEN
Description
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
172.67.152.11
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 172.67.152.11
  • 104.21.33.247
AAAA
  • 2606:4700:3030::6815:21f7
  • 2606:4700:3032::ac43:980b
MX
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
TXT
  • v=spf1 include:_spf.google.com ~all
  • google-site-verification=r2PjzkcEHumCPUTTiJolnNSPfSEtUPYQsVbfNQqwayE
  • google-site-verification=MGJWmgEcj_LyMAikeXvBPLCW8spTfnTFJN6aqDFBboY
NS
  • darl.ns.cloudflare.com
  • deborah.ns.cloudflare.com
CAA
  • 0 issuewild "ssl.com"
  • 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  • 0 issuewild "letsencrypt.org"
  • 0 issue "pki.goog; cansignhttpexchanges=yes"
  • 0 issue "ssl.com"
  • 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  • 0 issue "letsencrypt.org"
  • 0 issue "comodoca.com"
  • 0 issue "digicert.com; cansignhttpexchanges=yes"
  • 0 issuewild "comodoca.com"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
slt.bio
Valid from
Jul 18, 2026
Valid to
Oct 16, 2026
Days until expiry
82
SAN domains
*.slt.bio, slt.bio

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 3.0 KB

Page size

3.5 KB

Robots.txt & Sitemap

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

SEO issues

  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Careers

View careers page

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://slt.bio
Final URL
https://slt.bio
HTTP status
403
HTTP version
HTTP/2
Response time
166 ms
HTML size
3.5 KB
Redirect chain
https://slt.bio

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does slt.bio use?
We did not detect any specific technologies for slt.bio in the latest scan.
Is slt.bio secure (HTTPS)?
Yes. slt.bio uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 16, 2026.
Who hosts slt.bio?
slt.bio is hosted on Cloudflare, behind Cloudflare CDN.
What is slt.bio's SEO score?
slt.bio scored 50/100 for SEO in the latest analysis (fair).
What is slt.bio's overall website score?
slt.bio has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
Is slt.bio hiring?
slt.bio has a careers page; check it directly for current openings.