What technology does impa.br use?

impa.br is built with PHP, WordPress, jQuery, Google Analytics.

Is impa.br secure (HTTPS)?

Yes. impa.br uses TLS 1.2 with a certificate issued by REDE NACIONAL DE ENSINO E PESQUISA - RNP, valid until Dec 18, 2026.

Hosting provider information for impa.br is not available yet.

What is impa.br's SEO score?

impa.br scored 80/100 for SEO in the latest analysis (great).

What is impa.br's overall website score?

impa.br has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.

impa.br

Home - IMPA - Instituto de Matemática Pura e Aplicada

Last scanned Jul 26, 2026, 12:49 PM

Overall score

Great

Summary

This website uses WordPress. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing meta description.

Top issues to fix

8 issues found · 3 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 meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

3 issue(s) found

Performance

2.32 s

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.

Instagram Facebook YouTube X (Twitter)YouTube YouTube

Contact

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

Email: faleconosco@impa.br
Phone: 55%20(21)%202529-5000

Meta tags

Title: Home - IMPA - Instituto de Matemática Pura e Aplicada
Description
Canonical: https://impa.br/
Language: pt-BR
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0
Robots meta: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP WordPress jQuery Google Analytics

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: REDE NACIONAL DE ENSINO E PESQUISA - RNP
Subject: *.impa.br
Valid from: Jun 2, 2026
Valid to: Dec 18, 2026
Days until expiry: 142
SAN domains: *.impa.br, impa.br

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 17 · H3 12

Links

53 internal · 22 external · 4 broken

Images

23 total · 0 missing alt

Scripts / Styles

36 scripts · 8 stylesheets

JS / CSS size

5.2 KB · 17.1 KB

Page size

100.0 KB

Robots.txt & Sitemap

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

SEO issues

Missing meta description
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://impa.br
Final URL: https://impa.br
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 2.31 s
HTML size: 100.0 KB
Redirect chain: https://impa.br

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