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SGSiteGraph

highcharts.com

JavaScript charting library for web apps, dashboards, grids, React and more | Highcharts | Highcharts

Last scanned Aug 1, 2026, 10:00 PM · 8 views

91

Overall score

Excellent

Summary

Highcharts JavaScript charting library: Core, Stock, Maps, Gantt, Grid and Dashboards. This website uses WordPress behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Highcharts JavaScript charting library: Core, Stock, Maps, Gantt, Grid and Dashboards. Build interactive data visualizations with modern frameworks like React.

Top issues to fix

6 issues found

  • Title longer than 60 characters

    SEO

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

  • No structured data (JSON-LD) found

    SEO

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

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • 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.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

70

SEO

5 issue(s) found

100

Performance

25 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 25, 2026

Overall
91
SEO
70
Security
100
Performance
100
Accessibility
100

Organization

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

Highcharts JavaScript charting library: Core, Stock, Maps, Gantt, Grid and Dashboards. Build interactive data visualizations with modern frameworks like React.

Meta tags

Title
JavaScript charting library for web apps, dashboards, grids, React and more | Highcharts | Highcharts
Description
Highcharts JavaScript charting library: Core, Stock, Maps, Gantt, Grid and Dashboards. Build interactive data visualizations with modern frameworks like React.
Canonical
https://www.highcharts.com
Language
en-US
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
highcharts.com
Valid from
Jul 14, 2026
Valid to
Oct 12, 2026
Days until expiry
71
SAN domains
highcharts.com, *.highcharts.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 21 · H3 9

Links

57 internal · 27 external · 20 broken

Images

69 total · 0 missing alt

Scripts / Styles

20 scripts · 1 stylesheets

JS / CSS size

4.0 KB · 8.8 KB

Page size

256 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
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://highcharts.com
Final URL
https://www.highcharts.com/
HTTP status
200
HTTP version
HTTP/2
Response time
20 ms
HTML size
256 KB
Redirect chain
https://highcharts.com → https://www.highcharts.com/

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Frequently asked questions

What technology does highcharts.com use?
highcharts.com is built with WordPress, Google Analytics.
Is highcharts.com secure (HTTPS)?
Yes. highcharts.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 12, 2026.
Who hosts highcharts.com?
Hosting provider information for highcharts.com is not available yet.
What is highcharts.com's SEO score?
highcharts.com scored 70/100 for SEO in the latest analysis (fair).
What is highcharts.com's overall website score?
highcharts.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has highcharts.com's score changed over time?
highcharts.com's overall score has declined by 3 points (from 94 to 91) since Jul 25, 2026.