SEO report for code4lib.org
https://code4lib.org/ · checked Sun, 01 Nov 2026 18:04 GMT
Fix these first
- Title tagcritical
“Code4Lib | We are developers and technologists for libraries, museums, and archives who are dedicated to being a diverse and inclusive community, seeking to share ideas and build collaboration.”
Fix: Write a unique title of roughly 50–60 characters with the main search phrase first.
- H1 headingcritical
No H1 heading.
Fix: Use one H1 that states the page topic with its main keyword.
- XML sitemaphigh
No XML sitemap found at /sitemap.xml or in robots.txt.
Fix: Create an XML sitemap listing every page and submit it in Google Search Console.
- Heading structuremedium
456 headings for 4382 words – a lot for the amount of text.
Fix: Use H2s for main sections and H3s inside them, without skipping levels.
- 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
Links found to about; missing contact and privacy.
Fix: Link to About, Contact and Privacy pages from every page – they help visitors, Google and AI tools see who stands behind the content.
- HSTSmedium
No Strict-Transport-Security header.
Fix: Add Strict-Transport-Security: max-age=63072000; includeSubDomains.
- 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.
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 code4lib.org…
Indexing & crawling 75%
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
No robots.txt found (HTTP 404) – crawlers may read everything.
Googlebot is allowed to crawl this page.
Fix: Add a robots.txt that allows crawling and lists your sitemap.
- ✗
XML sitemaphigh
No XML sitemap found at /sitemap.xml or in robots.txt.
Fix: Create an XML sitemap listing every page and submit it in Google Search Console.
- !
Canonical URLhigh
Canonical: http://code4lib.org/
Points to a DIFFERENT address – Google will probably index that one instead of this page.
The canonical uses http:// although the page is on https://.
Fix: Add <link rel="canonical" href="(this page's full URL)"> – only point it elsewhere for true duplicates.
- ✓
Redirectshigh
Loads directly with no redirects.
- ✓
www / non-wwwmedium
www.code4lib.org isn't in use (HTTP 526).
Search snippet & sharing 29%
How the page looks in Google results and when shared.
- ✗
Title tagcritical
“Code4Lib | We are developers and technologists for libraries, museums, and archives who are dedicated to being a diverse and inclusive community, seeking to share ideas and build collaboration.”
About 1736px of Google's ~580px desktop width – it will probably be cut off.
Fix: Write a unique title of roughly 50–60 characters with the main search phrase first.
- !
Meta descriptionhigh
182 characters, ~1144px of ~990px.
Long – Google will probably truncate it.
Google sometimes rewrites descriptions to match the search; a good one is still used most often.
Fix: Write a 140–155 character description that answers the searcher's question and invites the click.
- ✗
Faviconlow
No favicon linked.
Fix: Add a square favicon at least 48×48px.
- ✓
Languagelow
lang="en"
Content quality 37%
Is there enough clear, useful text that matches what the page targets?
- ✓
Word countmedium
4,382 words of main content (inside <main>).
Google has no minimum word count – this is a rough guide to whether the page answers the question in full.
- !
Readabilitymedium
Flesch reading ease 45 (fairly difficult), about 6 words per sentence.
Fix: Use shorter sentences and everyday words – aim for a score of 50+ for customer-facing pages.
- !
Topic focushigh
8 of 15 title keywords appear in the main content (missing: technologists, museums, dedicated, inclusive, seeking, share, collaboration).
Fix: Use your main title phrases naturally in the opening paragraph and headings.
- ✗
H1 headingcritical
No H1 heading.
Fix: Use one H1 that states the page topic with its main keyword.
- ✗
Heading structuremedium
456 headings for 4382 words – a lot for the amount of text.
Levels are in order.
Fix: Use H2s for main sections and H3s inside them, without skipping levels.
- ✓
Text-to-code ratiolow
25% of the HTML is visible text.
AI search readiness 59%
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
No /llms.txt file. It's an optional, emerging convention – few AI tools are confirmed to read it yet, so this is low priority.
Fix: Optionally add /llms.txt: a short Markdown summary of who you are with links to your key pages.
- ✓
Question-led contentmedium
12 heading(s) phrased as questions, e.g. “Our $50,000 Problem: Why Library School?”.
- !
Entity clarityhigh
Identified as: Organization.
No sameAs links to official profiles (Google Business Profile, LinkedIn, Facebook, Companies House…).
Fix: Add Organization or LocalBusiness JSON-LD with name, url, logo, contact details and sameAs links to your official profiles.
- ✗
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
Links found to about; missing contact and privacy.
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 100%
Machine-readable facts for rich results and AI.
- ✓
JSON-LD present & validhigh
1 JSON-LD block(s): WebSite, Organization, ImageObject.
All blocks parse correctly.
- ✓
Required propertiesmedium
Key types include Google's required properties.
Links 69%
Internal linking, anchor text and broken links.
- !
Internal linkinghigh
460 internal and 10 external links.
Fix: Link to your most important pages from this page with descriptive text.
- !
Anchor text qualitymedium
Same text used for different pages: “#code4lib logging”.
Fix: Make every link text describe its destination, e.g. “logo design prices” instead of “click here”.
- ✓
Broken links (sample)high
Checked 12 internal link(s).
No broken links found.
Performance 93%
Speed signals from the HTML and server. Real-user Core Web Vitals load below.
- ✓
Server response (TTFB)high
396 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
107 kB of HTML.
- ✓
Compressionmedium
Compressed with gzip.
- ✓
Render-blocking resourceshigh
0 blocking script(s) and 1 stylesheet(s) in <head>.
- ✓
Scripts & third partiesmedium
0 script tag(s); files loaded from 0 other domain(s).
- !
Imagesmedium
1 image(s).
1 without width/height – can cause layout shift (CLS).
0 use WebP/AVIF or responsive srcset.
Fix: Give every image width and height, lazy-load images below the fold (but not the main image) and serve WebP/AVIF.
- ✓
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 75%
Visitor safety signals that browsers and Google check.
- ✓
HTTPScritical
Secure HTTPS with no mixed content.
- ✓
HTTP → HTTPS redirecthigh
http:// redirects to https://.
- ✗
HSTSmedium
No Strict-Transport-Security header.
Fix: Add Strict-Transport-Security: max-age=63072000; includeSubDomains.
- ✗
Security headerslow
Present: none.
Fix: Add X-Content-Type-Options, Referrer-Policy, Permissions-Policy and X-Frame-Options (or a CSP).
- ✓
Server fingerprintlow
No X-Powered-By header (server: cloudflare).
Mobile & accessibility 83%
Usable on phones and by everyone – Google indexes the mobile version.
- ✓
Mobile viewportcritical
viewport: width=device-width, initial-scale=1
- ✓
Image alt textmedium
All 1 images have alt text.
- ✓
Form labelsmedium
All 1 form fields are labelled.
- ✓
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.
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.