iste.org
ISTE | Home
Last scanned Aug 3, 2026, 9:00 AM · 14 views
Overall score
Excellent
Summary
The International Society for Technology in Education (ISTE) is a nonprofit organization that helps educators use technology to revolutionize learning. This website uses Nginx. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
The International Society for Technology in Education (ISTE) is a nonprofit organization that helps educators use technology to revolutionize learning.
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
507 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 85
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The International Society for Technology in Education (ISTE) is a nonprofit organization that helps educators use technology to revolutionize learning.
Meta tags
- Title
- ISTE | Home
- Description
- The International Society for Technology in Education (ISTE) is a nonprofit organization that helps educators use technology to revolutionize learning.
- Canonical
- https://iste.org/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, viewport-fit=cover
- Robots meta
- all
- Manifest
- https://iste.org/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Amazon
- Subject
- iste.org
- Valid from
- Dec 3, 2025
- Valid to
- Dec 31, 2026
- Days until expiry
- 150
- SAN domains
- iste.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 5 · H3 3
Links
43 internal · 27 external · 20 broken
Images
40 total · 0 missing alt
Scripts / Styles
9 scripts · 2 stylesheets
JS / CSS size
5.0 KB · 0 B
Page size
152 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://iste.org
- Final URL
- https://iste.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 504 ms
- HTML size
- 152 KB
- Redirect chain
- https://iste.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does iste.org use?
- iste.org is built with Nginx.
- Is iste.org secure (HTTPS)?
- Yes. iste.org uses TLS 1.2 with a certificate issued by Amazon, valid until Dec 31, 2026.
- Who hosts iste.org?
- Hosting provider information for iste.org is not available yet.
- What is iste.org's SEO score?
- iste.org scored 85/100 for SEO in the latest analysis (great).
- What is iste.org's overall website score?
- iste.org has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has iste.org's score changed over time?
- iste.org's overall score has stayed steady at 91/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card