julialang.org
The Julia Programming Language
Last scanned Aug 2, 2026, 9:00 PM · 14 views
Overall score
Great
Summary
Julia is a high-level, high-performance, dynamic programming language for technical computing. This website uses Plausible Analytics behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
The Julia Programming Language
Julia is a high-level, high-performance, dynamic programming language for technical computing.
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish 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
219 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 89
- SEO
- 85
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The Julia Programming Language
Julia is a high-level, high-performance, dynamic programming language for technical computing.
Meta tags
- Title
- The Julia Programming Language
- Description
- The official website for the Julia Language. Julia is a language that is fast, dynamic, easy to use, and open source. Click here to learn more.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- 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
- GlobalSign nv-sa
- Subject
- julialang.org
- Valid from
- Sep 19, 2025
- Valid to
- Oct 21, 2026
- Days until expiry
- 79
- SAN domains
- julialang.org
Security headers
- Strict-Transport-SecurityEnabled
- 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 7 · H3 15
Links
36 internal · 122 external · 20 broken
Images
29 total · 0 missing alt
Scripts / Styles
11 scripts · 6 stylesheets
JS / CSS size
895 B · 0 B
Page size
59.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://julialang.org
- Final URL
- https://julialang.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 218 ms
- HTML size
- 59.7 KB
- Redirect chain
- https://julialang.org
See something wrong on this report? Request a correction
Related websites
Same technology stack
noc.org
CDN & WAF for Hosts and MSPs | NOC.org
mailvelope.com
Mailvelope: PGP for Gmail & Webmail
productlift.dev
ProductLift: Build Products Your Customers Actually Want
cleanbrowsing.org
CleanBrowsing | DNS Content Filtering Service
mecalux.com
Mecalux International | Warehouse Storage Solutions
vegoutmag.com
VegOut - The premier digital destination for conscious living.
Frequently asked questions
- What technology does julialang.org use?
- julialang.org is built with Bootstrap, Plausible Analytics.
- Is julialang.org secure (HTTPS)?
- Yes. julialang.org uses TLS 1.2 with a certificate issued by GlobalSign nv-sa, valid until Oct 21, 2026.
- Who hosts julialang.org?
- Hosting provider information for julialang.org is not available yet.
- What is julialang.org's SEO score?
- julialang.org scored 85/100 for SEO in the latest analysis (great).
- What is julialang.org's overall website score?
- julialang.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- What company operates julialang.org?
- julialang.org is operated by The Julia Programming Language. Julia is a high-level, high-performance, dynamic programming language for technical computing.
- Has julialang.org's score changed over time?
- julialang.org's overall score has declined by 3 points (from 92 to 89) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card