What technology does model.com use?

We did not detect any specific technologies for model.com in the latest scan.

Is model.com secure (HTTPS)?

Yes. model.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 6, 2027.

Hosting provider information for model.com is not available yet.

What is model.com's SEO score?

model.com scored 90/100 for SEO in the latest analysis (excellent).

What is model.com's overall website score?

model.com has an overall SiteGraph score of 97/100, combining SEO, performance, security, and accessibility.

Has model.com's score changed over time?

model.com's overall score has improved by 16 points (from 81 to 97) since Jul 22, 2026.

model.com

Questa One Sim | Siemens

Last scanned Jul 29, 2026, 8:00 PM · 11 views

Overall score

Excellent

Summary

Questa One Sim is an evolution of the functional simulator. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: robots.txt not found.

Questa One Sim is an evolution of the functional simulator. Questa One Sim brings Faster Engines, enables Faster Engineers using Fewer Workloads.

Top issues to fix

3 issues found

robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
14 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

100

Performance

732 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+16 overall since Jul 22, 2026

Overall: 97
SEO: 90
Security: 100
Performance: 100
Accessibility: 100

Organization

Company details published in this site's own structured data.

Questa One Sim is an evolution of the functional simulator. Questa One Sim brings Faster Engines, enables Faster Engineers using Fewer Workloads.

Meta tags

Title: Questa One Sim | Siemens
Description: Questa One Sim is an evolution of the functional simulator. Questa One Sim brings Faster Engines, enables Faster Engineers using Fewer Workloads.
Canonical: https://www.siemens.com/en-us/products/ic/questa-one/simulation/questa-one-sim/
Language: en-US
Charset: utf-8
Viewport: width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: CloudFront
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: www.siemens.com
Valid from: Jun 23, 2026
Valid to: Jan 6, 2027
Days until expiry: 161
SAN domains: www.siemens.com, preview.authoring.siemens.com, preview.siemens.com

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 3 · H3 12

Links

5 internal · 9 external · 14 broken

Images

7 total · 1 missing alt

Scripts / Styles

13 scripts · 3 stylesheets

JS / CSS size

2.8 KB · 7.5 KB

Page size

48.8 KB

Robots.txt & Sitemap

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

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://model.com
Final URL: https://www.siemens.com/en-us/products/ic/questa-one/simulation/questa-one-sim/
HTTP status: 200
HTTP version: HTTP/2
Response time: 731 ms
HTML size: 48.8 KB
Redirect chain: https://model.com → https://eda.sw.siemens.com/en-US/ic/modelsim/ → https://www.siemens.com/en-us/products/ic/questa-one/simulation/questa-one-sim/

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Frequently asked questions

What technology does model.com use?: We did not detect any specific technologies for model.com in the latest scan.
Is model.com secure (HTTPS)?: Yes. model.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 6, 2027.
Who hosts model.com?: Hosting provider information for model.com is not available yet.
What is model.com's SEO score?: model.com scored 90/100 for SEO in the latest analysis (excellent).
What is model.com's overall website score?: model.com has an overall SiteGraph score of 97/100, combining SEO, performance, security, and accessibility.
Has model.com's score changed over time?: model.com's overall score has improved by 16 points (from 81 to 97) since Jul 22, 2026.