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SEO report: www.ruby-lang.org scores 55/100

Fix these first

H1 headingcritical
No H1 heading.
Fix: Use one H1 that states the page topic with its main keyword.
See the details
Mobile viewportcritical
No viewport meta tag – the page won't fit phones.
Fix: Use <meta name="viewport" content="width=device-width, initial-scale=1"> and allow zoom.
Read the guide: mobile-friendly websites
See the details
Canonical URLhigh
No canonical tag.
Fix: Add <link rel="canonical" href="(this page's full URL)"> – only point it elsewhere for true duplicates.
Read the guide: duplicate content
See the details
Meta descriptionhigh
No meta description – Google will pick text from the page.
Fix: Write a 140–155 character description that answers the searcher's question and invites the click.
Write one free with the AI title & description writer
Read the guide: how to write meta descriptions
See the details
Topic focushigh
0 of 3 title keywords appear in the main content (missing: ruby, programming, language).
Fix: Use your main title phrases naturally in the opening paragraph and headings.
Find the phrases people search with the free keyword generator
Read the guide: how to write SEO content
See the details
Entity clarityhigh
No Organization / LocalBusiness structured data – search engines and AI have to guess who runs this site.
Fix: Add Organization or LocalBusiness JSON-LD with name, url, logo, contact details and sameAs links to your official profiles.
Make the code with the free local business schema generator
Read the guide: schema markup
See the details
JSON-LD present & validhigh
No JSON-LD structured data.
Fix: Add JSON-LD describing the business and the page (Organization/LocalBusiness, WebSite, WebPage or Article, BreadcrumbList).
Make valid code with the free schema generator
Read the guide: schema markup
See the details
Internal linkinghigh
1 internal and 0 external links.
Fix: Link to your most important pages from this page with descriptive text.
Read the guide: internal linking
See the details

Check the whole website

This report covers one page. The full-site audit crawls up to 250 pages to find broken links, duplicate titles, orphan pages and more.

Run a full-site audit

Monitor this site weekly

We'll re-check it every week and track the score, with a history graph and a list of anything that breaks.

Compare with competitors

See how this page scores against up to two competitors, side by side, and where they beat you.

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Real-world speed Google PageSpeed

Loading Core Web Vitals from Google… this can take up to 30 seconds.

Authority & backlinks

Looking up which websites link to ruby-lang.org…

Indexing & crawling 88%

Can search engines reach, read and index this page?

✓
Status codecritical
The page returned HTTP 200.
✓
Indexablecritical
No noindex instruction – the page can appear in search.
✓
robots.txthigh
robots.txt found.
Googlebot is allowed to crawl this page.
✓
XML sitemaphigh
Sitemap found at https://www.ruby-lang.org/sitemap.xml with 7,607 URLs.
Declared in robots.txt.
This page is listed in it.
Most recent lastmod: 2026-11-03T01:07:33+00:00.
✗
Canonical URLhigh
No canonical tag.
Fix: Add <link rel="canonical" href="(this page's full URL)"> – only point it elsewhere for true duplicates.
Read the guide: duplicate content
✓
Redirectshigh
1 redirect before the page loaded.
https://ruby-lang.org/ → https://www.ruby-lang.org/
A single redirect to your preferred address is normal; just make sure your own links use the final address.
✓
www / non-wwwmedium
ruby-lang.org redirects to www.ruby-lang.org.

Content quality 8%

Is there enough clear, useful text that matches what the page targets?

✗
Word countmedium
5 words of main content (menus and footer excluded).
Google has no minimum word count – this is a rough guide to whether the page answers the question in full.
Fix: Add genuinely useful content: key service pages usually need 400+ words to answer what customers ask.
Count words and keywords with the free word counter
Read the guide: how to write SEO content
i
Readabilitymedium
Not enough paragraph text to score readability.
✗
Topic focushigh
0 of 3 title keywords appear in the main content (missing: ruby, programming, language).
Fix: Use your main title phrases naturally in the opening paragraph and headings.
Find the phrases people search with the free keyword generator
Read the guide: how to write SEO content
✗
H1 headingcritical
No H1 heading.
Fix: Use one H1 that states the page topic with its main keyword.
!
Heading structuremedium
0 headings for 5 words.
Levels are in order.
Fix: Use H2s for main sections and H3s inside them, without skipping levels.
Read the guide: the on-page SEO checklist
✗
Text-to-code ratiolow
2% of the HTML is visible text.
Fix: Trim unused markup, inline scripts and builder bloat.

AI search readiness 44%

Can ChatGPT, Claude, Perplexity and Google AI Overviews read, understand and cite this site?

✓
AI crawler accesshigh
Search and AI-search crawlers (Googlebot, Bingbot, OAI-SearchBot, Claude-SearchBot, PerplexityBot…) can read this page.
✓
Snippet controlshigh
No snippet restrictions – search and AI answers can quote this page.
✓
llms.txtlow
/llms.txt found.
✗
Question-led contentmedium
No headings phrased as questions.
Fix: Add headings that match real questions ("How much does…?") followed by a direct one- or two-sentence answer – an easy format for search and AI answers to quote.
Read the guide: how to write SEO content
✗
Entity clarityhigh
No Organization / LocalBusiness structured data – search engines and AI have to guess who runs this site.
Fix: Add Organization or LocalBusiness JSON-LD with name, url, logo, contact details and sameAs links to your official profiles.
Make the code with the free local business schema generator
Read the guide: schema markup
✗
Freshness signalsmedium
No published/updated date found.
Fix: Show a 'last updated' date and add dateModified to your structured data.
✗
Trust pages (E-E-A-T)medium
No links found to about, contact or privacy pages.
Fix: Link to About, Contact and Privacy pages from every page – they help visitors, Google and AI tools see who stands behind the content.

Structured data 0%

Machine-readable facts for rich results and AI.

✗
JSON-LD present & validhigh
No JSON-LD structured data.
Fix: Add JSON-LD describing the business and the page (Organization/LocalBusiness, WebSite, WebPage or Article, BreadcrumbList).
Make valid code with the free schema generator
Read the guide: schema markup
i
Breadcrumbslow
Home page – breadcrumbs not needed.

Links 50%

Internal linking, anchor text and broken links.

✗
Internal linkinghigh
1 internal and 0 external links.
Fix: Link to your most important pages from this page with descriptive text.
Read the guide: internal linking
!
Anchor text qualitymedium
No link text points to two different pages.
1 vague link(s) like “click here” or “read more”.
Fix: Make every link text describe its destination, e.g. “logo design prices” instead of “click here”.
Check every link's wording with the free anchor text checker
Read the guide: internal linking
✓
Broken links (sample)high
Checked 1 internal link(s).
No broken links found.

Performance 100%

Speed signals from the HTML and server. Real-user Core Web Vitals load below.

✓
Server response (TTFB)high
150 ms until the first response from our checker, including connection setup (Google rates TTFB good under 0.8 s, poor over 1.8 s).
✓
HTML sizemedium
1 kB of HTML.
✓
Compressionmedium
Compressed with gzip.
✓
Render-blocking resourceshigh
0 blocking script(s) and 0 stylesheet(s) in <head>.
✓
Scripts & third partiesmedium
1 script tag(s); files loaded from 0 other domain(s).
✓
Imagesmedium
No <img> tags.
✓
Cachinglow
Cache-Control: max-age=600
i
HTTP/3low
Couldn't be confirmed from our server – the alt-svc header that advertises HTTP/3 isn't always visible to it. Your site is on Cloudflare, which offers HTTP/3 under Network settings.

Security 50%

Visitor safety signals that browsers and Google check.

✓
HTTPScritical
Secure HTTPS with no mixed content.
✗
HTTP → HTTPS redirecthigh
http:// does not redirect to https://.
Fix: 301-redirect all http:// requests to https://.
Read the guide: fixing a "Not secure" warning
✗
HSTSmedium
No Strict-Transport-Security header.
Fix: Add Strict-Transport-Security: max-age=63072000; includeSubDomains.
Read the guide: the technical SEO checklist
✗
Security headerslow
Present: none.
Fix: Add X-Content-Type-Options, Referrer-Policy, Permissions-Policy and X-Frame-Options (or a CSP).
Read the guide: the technical SEO checklist
✓
Server fingerprintlow
No X-Powered-By header (server: cloudflare).

Mobile & accessibility 30%

Usable on phones and by everyone – Google indexes the mobile version.

✗
Mobile viewportcritical
No viewport meta tag – the page won't fit phones.
Fix: Use <meta name="viewport" content="width=device-width, initial-scale=1"> and allow zoom.
Read the guide: mobile-friendly websites
✓
Image alt textmedium
No images.
✓
Link nameslow
Every link has a readable name.
✗
Tap-to-contactmedium
No tel: or mailto: links.
Fix: Add a tap-to-call or tap-to-email button so phone visitors can contact you instantly.
Read the guide: mobile-friendly websites

Local SEO not scored

This site doesn't look like a local business, so these checks are shown for information and not scored.

i
LocalBusiness markuphigh
No LocalBusiness structured data.
i
Contact details on pagemedium
No phone number found.
No postcode found (fine for service-area businesses).
i
Map & directionslow
No map or directions link.

This report checks one page. Scores are a guide, not a guarantee of rankings. Check another page · Print or save as PDF

SEO report for www.ruby-lang.org

Fix these first

Real-world speed Google PageSpeed

Authority & backlinks

Indexing & crawling 88%

Status codecritical

Indexablecritical

robots.txthigh

XML sitemaphigh

Canonical URLhigh

Redirectshigh

www / non-wwwmedium

Search snippet & sharing 42%

Title tagcritical

Meta descriptionhigh

Open Graph & social cardsmedium

Faviconlow

Languagelow

Content quality 8%

Word countmedium

Readabilitymedium

Topic focushigh

H1 headingcritical

Heading structuremedium

Text-to-code ratiolow

AI search readiness 44%

AI crawler accesshigh

Snippet controlshigh

llms.txtlow

Question-led contentmedium

Entity clarityhigh

Freshness signalsmedium

Trust pages (E-E-A-T)medium

Structured data 0%

JSON-LD present & validhigh

Breadcrumbslow

Links 50%

Internal linkinghigh

Anchor text qualitymedium

Broken links (sample)high

Performance 100%

Server response (TTFB)high

HTML sizemedium

Compressionmedium

Render-blocking resourceshigh

Scripts & third partiesmedium

Imagesmedium

Cachinglow

HTTP/3low

Security 50%

HTTPScritical

HTTP → HTTPS redirecthigh

HSTSmedium

Security headerslow

Server fingerprintlow

Mobile & accessibility 30%

Mobile viewportcritical

Image alt textmedium

Link nameslow

Tap-to-contactmedium

Local SEO not scored

LocalBusiness markuphigh

Contact details on pagemedium

Map & directionslow