What technology does heraldo.es use?

We did not detect any specific technologies for heraldo.es in the latest scan.

Is heraldo.es secure (HTTPS)?

Yes. heraldo.es uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 11, 2026.

Who hosts heraldo.es?

heraldo.es is hosted on AWS, behind CloudFront CDN.

What is heraldo.es's SEO score?

heraldo.es scored 95/100 for SEO in the latest analysis (excellent).

What is heraldo.es's overall website score?

heraldo.es has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.

heraldo.es

Heraldo de Aragón | Noticias de Zaragoza, Huesca y Teruel

Last scanned Jul 21, 2026, 12:33 PM · 1 view

Overall score

Excellent

Top issues to fix

5 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.

Summary

Toda la actualidad sobre educación, salud, política, sucesos, accidentes, deportes en Zaragoza, Huesca y Teruel. This website is hosted on AWS. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: sitemap.xml not found.

SEO

1 issue(s) found

100

Performance

378 ms

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)Facebook Instagram YouTube

Contact

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

Email: info@heraldo.es

Meta tags

Title: Heraldo de Aragón | Noticias de Zaragoza, Huesca y Teruel
Description: Toda la actualidad sobre educación, salud, política, sucesos, accidentes, deportes en Zaragoza, Huesca y Teruel.
Canonical: https://www.heraldo.es/
Language: es
Charset: utf-8
Viewport: width=device-width,user-scalable=yes
Robots meta: index,follow,max-image-preview:large
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: AWS
CDN provider: CloudFront
IP address: 3.175.86.31
ASN: AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

Type	Value
A	3.175.86.31 3.175.86.18 3.175.86.114 3.175.86.14
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: heraldo.es
Valid from: Nov 12, 2025
Valid to: Dec 11, 2026
Days until expiry: 143
SAN domains: heraldo.es, *.heraldo.es

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsMissing
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 143 · H3 35

Links

207 internal · 25 external · 1 broken

Images

137 total · 0 missing alt

Scripts / Styles

16 scripts · 1 stylesheets

JS / CSS size

16.0 KB · 12.3 KB

Page size

260 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 128
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

sitemap.xml not found

Scan details

Requested URL: https://heraldo.es
Final URL: https://www.heraldo.es/
HTTP status: 200
HTTP version: HTTP/2
Response time: 373 ms
HTML size: 260 KB
Redirect chain: https://heraldo.es → https://www.heraldo.es/

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