drawtocode.org
Last checked 35m ago · 16 issues found
Speed 4 to fix
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Mobile performance score
41/100 on Google PageSpeed (mobile)
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Largest Contentful Paint
10.9 s
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Total Blocking Time
590 ms
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Reduce unused JavaScript
Potential saving about 7.0s
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Reduce unused CSS
Potential saving about 0.6s
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Desktop performance score
64/100 on Google PageSpeed (desktop)
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✓
Server response time
Homepage started responding in 33 ms.
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Cumulative Layout Shift
0
SEO 3 to fix
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Meta description
195 characters
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Inner pages have one H1
1 of 5 inner pages don't have exactly one H1: /contact (2)
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Best practices
69/100 on Google Lighthouse
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Homepage returns 200
HTTP 200
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Title tag
"DSA Visualizer & Gamified Learning | DrawToCode" (47 chars)
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One H1 heading
1 H1 tag(s) found.
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Canonical URL
https://drawtocode.org/
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Page can be indexed
No noindex directive.
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Language declared
lang="en"
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Mobile viewport
Viewport meta tag present.
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Social share tags
og:title, og:description, og:url and og:type set, and og:image loads.
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Image alt text
0 of 2 images have no alt attribute.
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Short redirect chain
http://drawtocode.org/ takes 1 redirect(s): 301 → https://drawtocode.org/
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Enough content on the page
1845 words of visible text.
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Character encoding
Charset declared in the HTML.
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Favicon
Favicon found.
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X (Twitter) card tags
twitter:card = summary_large_image, image set
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Missing pages return 404
A made-up URL returns 404.
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www and non-www go to one address
www.drawtocode.org redirects to drawtocode.org.
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robots.txt
Found at /robots.txt.
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XML sitemap
Found at https://drawtocode.org/sitemap.xml
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No broken internal links
Checked 7 internal links from the homepage.
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Inner page titles
Read 5 inner pages (/drawtocode, /problemset/leetcode-problem-of-the-day/1, /contact, /problemset, /about). Every one has a title of a sensible length.
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No duplicate titles
The homepage and 5 inner pages all have different titles.
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Inner page meta descriptions
5 inner pages each have their own meta description.
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Inner pages canonical to themselves
5 inner pages each have a canonical tag pointing at their own URL.
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Accessibility
92/100 on Google Lighthouse
Security 6 to fix
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Content Security Policy
No content-security-policy header.
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Clickjacking protection
Page can be framed by any site.
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X-Content-Type-Options
No x-content-type-options header.
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Referrer-Policy
No referrer-policy header.
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DMARC policy (email spoofing)
No DMARC record at _dmarc.drawtocode.org, so inboxes have no instruction to reject email that fakes your domain.
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Permissions-Policy
No permissions-policy header.
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Served over HTTPS
The homepage loads over HTTPS.
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HTTP redirects to HTTPS
http:// returns 301 to HTTPS.
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HSTS header
strict-transport-security: max-age=63072000
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No mixed content
All resources load over HTTPS.
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Server software not exposed
No software versions in response headers.
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Cookies set securely
The homepage sets no cookies.
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SPF record (email spoofing)
v=spf1 include:_spf.mx.cloudflare.net ~all
AI readiness 3 to fix
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AI crawlers allowed in robots.txt
robots.txt blocks: gptbot, claudebot, google-extended
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AI crawlers not blocked by firewall
Blocked: GPTBot (403), ClaudeBot (403)
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llms.txt file
No /llms.txt file.
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NIST, MITRE and CISA citations resolve
No NIST, MITRE or CISA links found on the homepage and 0 linked content pages and posts. Only scored on sites that cite them.
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Content readable without JavaScript
1845 words in the raw HTML. Most AI crawlers don't run JavaScript.
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Inner pages readable without JavaScript
5 inner pages each have 100+ words in the raw HTML.
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Content split into headed sections
14 H2/H3 headings in the raw HTML. Answer engines lift passages section by section, using the heading to know what each one is about.
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Structured data (schema.org)
JSON-LD types: Person, WebSite, FAQPage.
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Structured data on inner pages
5 inner pages all carry valid JSON-LD.
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Answers real questions
FAQPage schema found.
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Content shows when it was updated
Most recent update date found: 2026-10-26.
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Clear page summary
AI answers often reuse your title and meta description to describe you.
Domain all good
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Domain age
Registration date not available for this domain.
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Registrar
Not available.
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Hosting network
Not available.