What technology does dlang.org use?

dlang.org is built with jQuery, Cloudflare Analytics.

Is dlang.org secure (HTTPS)?

Yes. dlang.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 15, 2026.

Hosting provider information for dlang.org is not available yet.

What is dlang.org's SEO score?

dlang.org scored 75/100 for SEO in the latest analysis (fair).

What is dlang.org's overall website score?

dlang.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

dlang.org

Home - D Programming Language

Last scanned Jul 26, 2026, 12:49 PM

Overall score

Great

Summary

D is a general-purpose programming language with static typing, systems-level access, and C-like syntax. This website uses Cloudflare Analytics behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (70/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.

D is a general-purpose programming language with static typing, systems-level access, and C-like syntax.

Top issues to fix

9 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.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+3 more issues — details in the sections below.

SEO

4 issue(s) found

100

Performance

497 ms

Security

HTTPS & header checks

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.

D is a general-purpose programming language with static typing, systems-level access, and C-like syntax.

X (Twitter)X (Twitter)GitHub

Meta tags

Title: Home - D Programming Language
Description: D is a general-purpose programming language with static typing, systems-level access, and C-like syntax.
Canonical
Language: en-US
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0, minimum-scale=0.1, maximum-scale=10.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

jQuery Cloudflare Analytics

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
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: Google Trust Services
Subject: dlang.org
Valid from: Jul 17, 2026
Valid to: Oct 15, 2026
Days until expiry: 78
SAN domains: dlang.org, issues.dlang.org, *.issues.dlang.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 2 · H3 4

Links

38 internal · 41 external · 20 broken

Images

7 total · 6 missing alt

Scripts / Styles

9 scripts · 4 stylesheets

JS / CSS size

1.3 KB · 7.0 KB

Page size

46.1 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://dlang.org
Final URL: https://dlang.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 497 ms
HTML size: 46.1 KB
Redirect chain: https://dlang.org

See something wrong on this report? Request a correction

Same technology stack

elogic.it

Dinova - Innovazione Digitale Per le Aziende

100

wordpressmeta-pixelgoogle-analytics

Cloudflare· Cloudflare

pornworks.app

AI Porn Generator: Photos, Videos & GIFs | PornWorks AI

100

wordpressgoogle-analyticscloudflare-analytics

Cloudflare· Cloudflare

arxivlens.com

ArxivLens - AI-Powered Academic Paper Search | arXiv...

100

cloudflare-analyticsjquerytailwindcss

Cloudflare· Cloudflare

axa.co.uk

AXA Insurance Quotes and Claims | AXA UK

100

cloudflare-analyticsjquery

Cloudflare· Cloudflare

gentlemansgazette.com

Gentleman's Gazette | Website & Shop For Classic Gentlemen

100

wordpressgoogle-analyticscloudflare-analytics

Cloudflare· Cloudflare

rwang168.com

อาหวัง168

100

cloudflare-analyticsjquerybootstrap

Cloudflare· Cloudflare

Frequently asked questions

What technology does dlang.org use?: dlang.org is built with jQuery, Cloudflare Analytics.
Is dlang.org secure (HTTPS)?: Yes. dlang.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 15, 2026.
Who hosts dlang.org?: Hosting provider information for dlang.org is not available yet.
What is dlang.org's SEO score?: dlang.org scored 75/100 for SEO in the latest analysis (fair).
What is dlang.org's overall website score?: dlang.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions