SEO audit for henryhudson500.com
Henry Hudson 500 Foundation – Just another WordPress site
Health 55/100 (fair) · 30 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Security | 57 | 13 | 0 | 13 |
| Links | 65 | 0 | 35 | 13 |
| Agent Readiness | 87 | 0 | 13 | 14 |
| Meta Description | 87 | 0 | 13 | 0 |
| Performance | 87 | 0 | 13 | 59 |
| Content | 94 | 0 | 6 | 8 |
| Duplicate | 95 | 0 | 5 | 0 |
| Headings | 97 | 0 | 3 | 2 |
| Canonical | 98 | 0 | 2 | 0 |
| Crawlability | 100 | 0 | 0 | 18 |
| Images | 100 | 0 | 0 | 13 |
| Social | 100 | 0 | 0 | 26 |
| URL | 100 | 0 | 0 | 18 |
Errors (1 rules)
error Mixed content on HTTPS page
Rule security.mixed_content · Security · 13 occurrence(s)
- https://www.henryhudson500.com/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/author/hello/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/category/uncategorized/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/contact/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/elementor-hf/footer/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/english/ — 3 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/henry-hudson/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/missie/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/projecten-2/ — 5 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/projecten-2009/ — 1 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/projecten-2010-2023/ — 5 insecure subresource(s), e.g. http://gmpg.org/xfn/11
- https://www.henryhudson500.com/projecten/ — 3 insecure subresource(s), e.g. http://gmpg.org/xfn/11
Warnings (10 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 13 occurrence(s)
- https://www.henryhudson500.com/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/author/hello/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/category/uncategorized/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/contact/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/elementor-hf/footer/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/english/ — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/henry-hudson/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/missie/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/projecten-2/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/projecten-2009/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/projecten-2010-2023/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://www.henryhudson500.com/projecten/ — 11 button/link(s) with no text or aria-label — an agent can't target them
warning Missing canonical tag
Rule canonical.missing · Canonical · 2 occurrence(s)
warning Thin content (low word count)
Rule content.thin · Content · 6 occurrence(s)
- https://www.henryhudson500.com/ — 164 words
- https://www.henryhudson500.com/author/hello/ — 26 words
- https://www.henryhudson500.com/category/uncategorized/ — 26 words
- https://www.henryhudson500.com/elementor-hf/footer/ — 164 words
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 164 words
- https://www.henryhudson500.com/projecten-2009/ — 16 words
warning Near-duplicate page content
Rule duplicate.near · Duplicate · 2 occurrence(s)
- https://www.henryhudson500.com/projecten-2/ — near-duplicate of 1 page(s): https://www.henryhudson500.com/projecten-2010-2023/
- https://www.henryhudson500.com/projecten-2010-2023/ — near-duplicate of 1 page(s): https://www.henryhudson500.com/projecten-2/
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 3 occurrence(s)
- https://www.henryhudson500.com/ — title shared by 3 pages: https://www.henryhudson500.com/elementor-hf/henry-hudson-header/, https://www.henryhudson500.com/elementor-hf/footer/
- https://www.henryhudson500.com/elementor-hf/footer/ — title shared by 3 pages: https://www.henryhudson500.com/, https://www.henryhudson500.com/elementor-hf/henry-hudson-header/
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — title shared by 3 pages: https://www.henryhudson500.com/, https://www.henryhudson500.com/elementor-hf/footer/
warning Missing <h1>
Rule h1.missing · Headings · 3 occurrence(s)
warning Orphan page (no internal inlinks)
Rule links.orphan · Links · 5 occurrence(s)
- https://www.henryhudson500.com/author/hello/ — no internal links point here
- https://www.henryhudson500.com/elementor-hf/footer/ — no internal links point here
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — no internal links point here
- https://www.henryhudson500.com/projecten-2/ — no internal links point here
- https://www.henryhudson500.com/projecten-2009/ — no internal links point here
warning Internal link points to a redirect
Rule links.redirect_target · Links · 30 occurrence(s)
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_ENGLISH1.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/1609_ENGLISH1.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/InterviewFD.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/InterviewFD.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/New-Amsterdam-VIP-Invitation.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/New-Amsterdam-VIP-Invitation.pdf
- https://www.henryhudson500.com/english/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/PlatbodemsOnTheHudson.jpg → https://www.henryhudson500.com/wp-content/uploads/2023/03/PlatbodemsOnTheHudson.jpg
- https://www.henryhudson500.com/missie/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/JobSwapEvaluatie2009.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/JobSwapEvaluatie2009.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf
- https://www.henryhudson500.com/projecten/ — http://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf → https://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf
warning Missing meta description
Rule meta_desc.missing · Meta Description · 13 occurrence(s)
- https://www.henryhudson500.com/
- https://www.henryhudson500.com/author/hello/
- https://www.henryhudson500.com/category/uncategorized/
- https://www.henryhudson500.com/contact/
- https://www.henryhudson500.com/elementor-hf/footer/
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/
- https://www.henryhudson500.com/english/
- https://www.henryhudson500.com/henry-hudson/
- https://www.henryhudson500.com/missie/
- https://www.henryhudson500.com/projecten-2/
- https://www.henryhudson500.com/projecten-2009/
- https://www.henryhudson500.com/projecten-2010-2023/
- https://www.henryhudson500.com/projecten/
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 13 occurrence(s)
- https://www.henryhudson500.com/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/author/hello/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/category/uncategorized/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/contact/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/elementor-hf/footer/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/english/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/henry-hudson/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/missie/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/projecten-2/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/projecten-2009/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/projecten-2010-2023/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://www.henryhudson500.com/projecten/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
Notices (18 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 3 occurrence(s)
- https://www.henryhudson500.com/projecten-2/ — h4 follows h2 — skips h3
- https://www.henryhudson500.com/projecten-2009/ — h4 follows h2 — skips h3
- https://www.henryhudson500.com/projecten-2010-2023/ — h4 follows h2 — skips h3
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://www.henryhudson500.com/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 10 occurrence(s)
- https://www.henryhudson500.com/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/contact/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/elementor-hf/footer/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/english/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/henry-hudson/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/missie/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/projecten-2/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/projecten-2010-2023/ — add a <main> element (or role=main) around the primary content
- https://www.henryhudson500.com/projecten/ — add a <main> element (or role=main) around the primary content
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 8 occurrence(s)
- https://www.henryhudson500.com/ — 3.8%
- https://www.henryhudson500.com/author/hello/ — 1.3%
- https://www.henryhudson500.com/category/uncategorized/ — 1.3%
- https://www.henryhudson500.com/elementor-hf/footer/ — 3.8%
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 3.8%
- https://www.henryhudson500.com/projecten-2/ — 4.7%
- https://www.henryhudson500.com/projecten-2009/ — 1.3%
- https://www.henryhudson500.com/projecten-2010-2023/ — 4.4%
notice Multiple <h1> elements
Rule h1.multiple · Headings · 2 occurrence(s)
- https://www.henryhudson500.com/english/ — 3 <h1> elements
- https://www.henryhudson500.com/projecten/ — 2 <h1> elements
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 13 occurrence(s)
- https://www.henryhudson500.com/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/author/hello/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/category/uncategorized/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/contact/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/elementor-hf/footer/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/english/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/henry-hudson/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/missie/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/projecten-2/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/projecten-2009/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/projecten-2010-2023/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://www.henryhudson500.com/projecten/ — the likely hero/LCP image (cropped-logohh500-1.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 13 occurrence(s)
- https://www.henryhudson500.com/ — 1 of 7 images without width/height
- https://www.henryhudson500.com/author/hello/ — 1 of 1 images without width/height
- https://www.henryhudson500.com/category/uncategorized/ — 1 of 1 images without width/height
- https://www.henryhudson500.com/contact/ — 1 of 10 images without width/height
- https://www.henryhudson500.com/elementor-hf/footer/ — 1 of 7 images without width/height
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 1 of 7 images without width/height
- https://www.henryhudson500.com/english/ — 3 of 28 images without width/height
- https://www.henryhudson500.com/henry-hudson/ — 1 of 7 images without width/height
- https://www.henryhudson500.com/missie/ — 1 of 4 images without width/height
- https://www.henryhudson500.com/projecten-2/ — 1 of 7 images without width/height
- https://www.henryhudson500.com/projecten-2009/ — 1 of 1 images without width/height
- https://www.henryhudson500.com/projecten-2010-2023/ — 1 of 5 images without width/height
- https://www.henryhudson500.com/projecten/ — 3 of 20 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 13 occurrence(s)
- https://www.henryhudson500.com/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/author/hello/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/category/uncategorized/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/contact/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/elementor-hf/footer/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/english/ — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/henry-hudson/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/missie/ — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/projecten-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/projecten-2009/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/projecten-2010-2023/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://www.henryhudson500.com/projecten/ — 11 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
notice Missing Open Graph tags
Rule og.missing · Social · 13 occurrence(s)
- https://www.henryhudson500.com/ — og:title, og:description, og:image
- https://www.henryhudson500.com/author/hello/ — og:title, og:description, og:image
- https://www.henryhudson500.com/category/uncategorized/ — og:title, og:description, og:image
- https://www.henryhudson500.com/contact/ — og:title, og:description, og:image
- https://www.henryhudson500.com/elementor-hf/footer/ — og:title, og:description, og:image
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — og:title, og:description, og:image
- https://www.henryhudson500.com/english/ — og:title, og:description, og:image
- https://www.henryhudson500.com/henry-hudson/ — og:title, og:description, og:image
- https://www.henryhudson500.com/missie/ — og:title, og:description, og:image
- https://www.henryhudson500.com/projecten-2/ — og:title, og:description, og:image
- https://www.henryhudson500.com/projecten-2009/ — og:title, og:description, og:image
- https://www.henryhudson500.com/projecten-2010-2023/ — og:title, og:description, og:image
- https://www.henryhudson500.com/projecten/ — og:title, og:description, og:image
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 13 occurrence(s)
- https://www.henryhudson500.com/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/author/hello/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/category/uncategorized/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/contact/ — 10 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/elementor-hf/footer/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/english/ — 26 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/henry-hudson/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/missie/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/projecten-2/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/projecten-2009/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/projecten-2010-2023/ — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://www.henryhudson500.com/projecten/ — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
notice Large HTML document
Rule perf.large_html · Performance · 7 occurrence(s)
- http://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf — 2.4 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf — 6.4 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf — 3.7 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf — 9.6 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf — 5.9 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf — 4.8 MiB
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf — 2.5 MiB
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 13 occurrence(s)
- https://www.henryhudson500.com/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/author/hello/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/category/uncategorized/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/contact/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/elementor-hf/footer/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/english/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/henry-hudson/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/missie/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/projecten-2/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/projecten-2009/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/projecten-2010-2023/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.henryhudson500.com/projecten/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 13 occurrence(s)
- https://www.henryhudson500.com/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/author/hello/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/category/uncategorized/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/contact/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/elementor-hf/footer/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/english/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/henry-hudson/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/missie/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/projecten-2/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/projecten-2009/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/projecten-2010-2023/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.henryhudson500.com/projecten/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
notice URL redirects to another URL
Rule redirect.single · Crawlability · 18 occurrence(s)
- http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_ENGLISH1.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/1609_ENGLISH1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/1609_devergetengeschiedenis.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/InterviewFD.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/InterviewFD.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/JobSwapEvaluatie2009.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/JobSwapEvaluatie2009.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/New-Amsterdam-VIP-Invitation.pdf — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/New-Amsterdam-VIP-Invitation.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/PlatbodemsOnTheHudson.jpg — redirects to https://www.henryhudson500.com/wp-content/uploads/2023/03/PlatbodemsOnTheHudson.jpg
- https://www.henryhudson500.com/elementor-hf/footer/ — redirects to https://www.henryhudson500.com
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — redirects to https://www.henryhudson500.com
notice Missing recommended security headers
Rule security.missing_headers · Security · 13 occurrence(s)
- https://www.henryhudson500.com/ — X-Content-Type-Options, HSTS
- https://www.henryhudson500.com/author/hello/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/category/uncategorized/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/contact/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/elementor-hf/footer/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/english/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/henry-hudson/ — X-Content-Type-Options, HSTS
- https://www.henryhudson500.com/missie/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/projecten-2/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/projecten-2009/ — X-Content-Type-Options, HSTS
- https://www.henryhudson500.com/projecten-2010-2023/ — HSTS, X-Content-Type-Options
- https://www.henryhudson500.com/projecten/ — X-Content-Type-Options, HSTS
notice Missing Twitter Card tag
Rule twitter.missing · Social · 13 occurrence(s)
- https://www.henryhudson500.com/
- https://www.henryhudson500.com/author/hello/
- https://www.henryhudson500.com/category/uncategorized/
- https://www.henryhudson500.com/contact/
- https://www.henryhudson500.com/elementor-hf/footer/
- https://www.henryhudson500.com/elementor-hf/henry-hudson-header/
- https://www.henryhudson500.com/english/
- https://www.henryhudson500.com/henry-hudson/
- https://www.henryhudson500.com/missie/
- https://www.henryhudson500.com/projecten-2/
- https://www.henryhudson500.com/projecten-2009/
- https://www.henryhudson500.com/projecten-2010-2023/
- https://www.henryhudson500.com/projecten/
notice Underscores in URL path (prefer hyphens)
Rule url.underscores · URL · 3 occurrence(s)
notice Uppercase letters in URL path
Rule url.uppercase · URL · 15 occurrence(s)
- http://www.henryhudson500.com/wp-content/uploads/2023/03/1609_ENGLISH1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/BOETEBOENERS-Tijs-Goldschmidt.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Downloadable-New-Amsterdam-Trail-Brochure-1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/H209-finalreport.doc.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/H209ConferenceBook2013.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-Heritage-Program-2009-sponsor.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-galainformationemail.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HH-parool230208.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/HalveMaenOnTourFlyer.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/InterviewFD.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/JobSwapEvaluatie2009.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/KOEIENSUITE-Mustafa-Stitou.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/Melkpers-Nummer-1.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/New-Amsterdam-VIP-Invitation.pdf
- http://www.henryhudson500.com/wp-content/uploads/2023/03/PlatbodemsOnTheHudson.jpg
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