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first.org

FIRST - Improving Security Together

Last scanned Jul 26, 2026, 5:18 AM

89

Overall score

Great

Summary

This website uses Nginx hosted on Fastly behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing meta description.

United States
Hosted on Fastly

Top issues to fix

5 issues found · 1 high priority

  • Missing meta description

    SEO

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

  • Missing canonical link

    SEO

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

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • sitemap.xml not found

    SEO

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

  • 1 broken link on the page

    SEO

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

70

SEO

4 issue(s) found

90

Performance

1.73 s

100

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.

X (Twitter)LinkedInFacebookGitHubYouTube

Contact

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

Meta tags

Title
FIRST - Improving Security Together
Description
Canonical
Language
en
Charset
utf-8
Viewport
initial-scale=1,maximum-scale=1.0,user-scalable=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
FIRST - Improving Security Together
og:description
—
og:type
website
og:url
https://www.first.org/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.1.91
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.1.91
  • 151.101.193.91
  • 151.101.129.91
  • 151.101.65.91
AAAA
  • 2a04:4e42::347
  • 2a04:4e42:200::347
  • 2a04:4e42:400::347
  • 2a04:4e42:600::347
MX—
TXT
  • v=spf1 a -all
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.first.org
Valid from
May 30, 2026
Valid to
Aug 28, 2026
Days until expiry
33
SAN domains
first.org, www.first.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 0

Links

263 internal · 10 external · 1 broken

Images

14 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

155 KB · 176 KB

Page size

28.7 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Missing canonical link
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://first.org
Final URL
https://www.first.org/
HTTP status
200
HTTP version
HTTP/2
Response time
1.73 s
HTML size
28.7 KB
Redirect chain
https://first.org → https://www.first.org/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does first.org use?
first.org is built with Nginx.
Is first.org secure (HTTPS)?
Yes. first.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 28, 2026.
Who hosts first.org?
first.org is hosted on Fastly, behind Fastly CDN.
What is first.org's SEO score?
first.org scored 70/100 for SEO in the latest analysis (fair).
What is first.org's overall website score?
first.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.