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espressif.com

Wireless SoCs, Software, Cloud and AIoT Solutions | Espressif Systems

Last scanned Jul 21, 2026, 11:40 AM · 1 view

75

Overall score

Fair

Top issues to fix

8 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

Summary

Espressif is a global high-tech leader in wireless communication, IoT, AI SoCs, software, and solutions, for a smarter and greener future. This website uses PHP behind CloudFront CDN. SEO is fair (70/100) and accessibility is fair (70/100). Security scores excellent (90/100) and performance fair (70/100). Top issue: Title longer than 60 characters.

70

SEO

5 issue(s) found

70

Performance

3.11 s

90

Security

HTTPS & header checks

70

Accessibility

1 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.

Meta tags

Title
Wireless SoCs, Software, Cloud and AIoT Solutions | Espressif Systems
Description
Espressif is a global high-tech leader in wireless communication, IoT, AI SoCs, software, and solutions, for a smarter and greener future.
Canonical
https://www.espressif.com/en
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=0.8
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
home
og:description
og:type
article
og:url
https://www.espressif.com/en/home

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
CloudFront
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.espressif.com
Valid from
Jul 6, 2026
Valid to
Jan 20, 2027
Days until expiry
183
SAN domains
*.espressif.com, espressif.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 15 · H2 29 · H3 7

Links

106 internal · 69 external · 0 broken

Images

95 total · 90 missing alt

Scripts / Styles

68 scripts · 8 stylesheets

JS / CSS size

375 KB · 3.4 KB

Page size

173 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
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text

Scan details

Requested URL
https://espressif.com
Final URL
https://www.espressif.com/
HTTP status
200
HTTP version
HTTP/2
Response time
3.10 s
HTML size
173 KB
Redirect chain
https://espressif.com → https://www.espressif.com/

Frequently asked questions

What technology does espressif.com use?
espressif.com is built with PHP, Drupal, jQuery, Google Analytics, Apache.
Is espressif.com secure (HTTPS)?
Yes. espressif.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 20, 2027.
Who hosts espressif.com?
Hosting provider information for espressif.com is not available yet.
What is espressif.com's SEO score?
espressif.com scored 70/100 for SEO in the latest analysis (fair).
What is espressif.com's overall website score?
espressif.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.