What technology does semtech.com use?

semtech.com is built with Plausible Analytics, Apache.

Is semtech.com secure (HTTPS)?

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

Who hosts semtech.com?

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

What is semtech.com's SEO score?

semtech.com scored 85/100 for SEO in the latest analysis (great).

What is semtech.com's overall website score?

semtech.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.

semtech.com

Semtech Semiconductor, IoT Systems and Cloud Connectivity | Semtech

Last scanned Jul 26, 2026, 12:19 PM

Overall score

Great

Summary

Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider. This website uses Plausible Analytics behind CloudFront CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Title longer than 60 characters.

Semtech

Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider.

Top issues to fix

7 issues found · 1 high priority

Slow estimated load (4.8s)
Performance
Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
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.

+1 more issue — details in the sections below.

SEO

3 issue(s) found

Performance

4.83 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.

Semtech

Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider.

Facebook YouTube LinkedIn X (Twitter)

Meta tags

Title: Semtech Semiconductor, IoT Systems and Cloud Connectivity | Semtech
Description: Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider.
Canonical: https://www.semtech.com
Language: en
Charset: utf-8
Viewport: width=device-width,initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Plausible Analytics Apache

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: *.semtech.com
Valid from: Jan 9, 2026
Valid to: Feb 6, 2027
Days until expiry: 193
SAN domains: *.semtech.com

Security headers

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

Compression: gzip · 5 cookie(s) observed

Content & assets

Headings

H1 1 · H2 5 · H3 32

Links

205 internal · 27 external · 16 broken

Images

35 total · 1 missing alt

Scripts / Styles

17 scripts · 7 stylesheets

JS / CSS size

1.7 KB · 0 B

Page size

138 KB

Robots.txt & Sitemap

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

SEO issues

Title longer than 60 characters
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://semtech.com
Final URL: https://www.semtech.com/
HTTP status: 200
HTTP version: HTTP/2
Response time: 4.83 s
HTML size: 138 KB
Redirect chain: https://semtech.com → https://www.semtech.com/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does semtech.com use?: semtech.com is built with Plausible Analytics, Apache.
Is semtech.com secure (HTTPS)?: Yes. semtech.com uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 6, 2027.
Who hosts semtech.com?: Hosting provider information for semtech.com is not available yet.
What is semtech.com's SEO score?: semtech.com scored 85/100 for SEO in the latest analysis (great).
What is semtech.com's overall website score?: semtech.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
What company operates semtech.com?: semtech.com is operated by Semtech. Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider.