Catalog / narrowin.ch
66

SEO audit for narrowin.ch

Narrowin - Network & Security for IT and OT

corporate

Health 66/100 (fair) · 50 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

Narrowin GmbH: Specialist for IT networks, network designs, OT network security, industrial cybersecurity and IPAM solutions. Experts for energy networks, production networks and IT security architect…

50
pages crawled
48
indexable pages
0
errors
210
warnings
591
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Performance 71 0 49 94
Security 71 0 49 60
Agent Readiness 71 0 48 79
Titles 86 0 23 0
Content 92 0 13 88
Duplicate 94 0 10 8
Images 95 0 8 49
Headings 96 0 6 1
Links 99 0 2 4
Budget 99 0 1 0
Indexability 99 0 1 0
Crawlability 100 0 0 1
Meta Description 100 0 0 39
Sitemap 100 0 0 1
Social 100 0 0 91
Structured Data 100 0 0 45
URL 100 0 0 31
Findings

Warnings (12 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 48 occurrence(s)

warning Noindex page receives internal links (crawl-budget waste)

Rule budget.noindex_linked · Budget · 1 occurrence(s)

  • https://narrowin.ch/presentations/ki-agenten-netzwerksicherheit.html — this noindex page has 1 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.narrowin.ch/en/ai-architecture.html.

warning Thin content (low word count)

Rule content.thin · Content · 13 occurrence(s)

warning Duplicate page content

Rule duplicate.content · Duplicate · 2 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 8 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 6 occurrence(s)

warning Content-Type header doesn't match the actual content

Rule headers.content_type_mismatch · Security · 49 occurrence(s)

  • https://narrowin.ch/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://narrowin.ch/presentations/ki-agenten-netzwerksicherheit.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/de/index.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/about.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/ai-architecture.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/communication_matrix.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/controller.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/controller_sdn.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/course-ot-network.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/course-ot-security.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/courses.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/datenschutz.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/digital_transformation.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/dominik.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/endpoint_segmentation.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/hardware.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/impressum.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/index.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/ipam.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/job_engineer.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/jobs.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/marco.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/mikrotik_lightweight_sdn.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/mischa.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://www.narrowin.ch/en/network_assessments.html — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".

warning Images missing alt text

Rule images.missing_alt · Images · 8 occurrence(s)

warning noindex + nofollow (blocks link equity flow)

Rule index.noindex_nofollow · Indexability · 1 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 2 occurrence(s)

warning Render-blocking script in <head> (no defer/async)

Rule perf.render_blocking · Performance · 49 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 23 occurrence(s)

Notices (25 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 29 occurrence(s)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

notice No main landmark for AI agents

Rule agent.no_main_landmark · Agent Readiness · 49 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 45 occurrence(s)

  • https://narrowin.ch/ — this page reads as very difficult (Flesch Reading Ease 7, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/about.html — this page reads as very difficult (Flesch Reading Ease 24, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/ai-architecture.html — this page reads as very difficult (Flesch Reading Ease 24, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/communication_matrix.html — this page reads as difficult (Flesch Reading Ease 32, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/controller.html — this page reads as very difficult (Flesch Reading Ease 9, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/controller_sdn.html — this page reads as very difficult (Flesch Reading Ease 15, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/course-ot-network.html — this page reads as very difficult (Flesch Reading Ease 17, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/course-ot-security.html — this page reads as very difficult (Flesch Reading Ease 19, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/courses.html — this page reads as very difficult (Flesch Reading Ease 28, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/datenschutz.html — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/digital_transformation.html — this page reads as very difficult (Flesch Reading Ease 6, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/dominik.html — this page reads as difficult (Flesch Reading Ease 34, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/endpoint_segmentation.html — this page reads as very difficult (Flesch Reading Ease 28, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/hardware.html — this page reads as very difficult (Flesch Reading Ease 28, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/index.html — this page reads as very difficult (Flesch Reading Ease 7, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/ipam.html — this page reads as very difficult (Flesch Reading Ease -11, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/job_engineer.html — this page reads as very difficult (Flesch Reading Ease 19, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/jobs.html — this page reads as difficult (Flesch Reading Ease 40, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/marco.html — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/mikrotik_lightweight_sdn.html — this page reads as very difficult (Flesch Reading Ease 12, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/mischa.html — this page reads as very difficult (Flesch Reading Ease 28, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/network_assessments.html — this page reads as very difficult (Flesch Reading Ease -21, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/network_designs.html — this page reads as very difficult (Flesch Reading Ease 19, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/network_explorer.html — this page reads as very difficult (Flesch Reading Ease 26, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.narrowin.ch/en/network_labs.html — this page reads as very difficult (Flesch Reading Ease 1, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 8 occurrence(s)

notice Article page has no publication date (freshness / E-E-A-T)

Rule eeat.no_date · Content · 1 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 1 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 49 occurrence(s)

  • https://narrowin.ch/ — the likely hero/LCP image (narrowin_schwarz.svg) 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://narrowin.ch/presentations/ki-agenten-netzwerksicherheit.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/de/index.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/about.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/en/ai-architecture.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/communication_matrix.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/controller.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/controller_sdn.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/course-ot-network.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/en/course-ot-security.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/en/courses.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/en/datenschutz.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/digital_transformation.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/dominik.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/endpoint_segmentation.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/hardware.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/impressum.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/index.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/ipam.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/job_engineer.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/jobs.html — the likely hero/LCP image (narrowin_weiss.svg) 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.narrowin.ch/en/marco.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/mikrotik_lightweight_sdn.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/mischa.html — the likely hero/LCP image (narrowin_schwarz.svg) 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.narrowin.ch/en/network_assessments.html — the likely hero/LCP image (narrowin_schwarz.svg) 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 · 49 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 3 occurrence(s)

  • https://www.narrowin.ch/en/controller.html — 3 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.narrowin.ch/en/hardware.html — 3 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.narrowin.ch/en/impressum.html — 3 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 Internal link points to a noindex page

Rule links.to_noindex · Links · 1 occurrence(s)

notice Legacy <meta name=keywords> tag present (Google ignores it)

Rule meta.keywords_present · Content · 42 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 33 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 6 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 43 occurrence(s)

notice Legacy image format (jpg/png/gif) with no next-gen fallback

Rule perf.images_legacy_format · Performance · 45 occurrence(s)

  • https://narrowin.ch/ — 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://narrowin.ch/presentations/ki-agenten-netzwerksicherheit.html — 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.narrowin.ch/de/index.html — 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.narrowin.ch/en/about.html — 6 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.narrowin.ch/en/ai-architecture.html — 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.narrowin.ch/en/communication_matrix.html — 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.narrowin.ch/en/controller.html — 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.narrowin.ch/en/controller_sdn.html — 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.narrowin.ch/en/course-ot-network.html — 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.narrowin.ch/en/course-ot-security.html — 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.narrowin.ch/en/courses.html — 3 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.narrowin.ch/en/digital_transformation.html — 3 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.narrowin.ch/en/dominik.html — 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.narrowin.ch/en/endpoint_segmentation.html — 3 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.narrowin.ch/en/hardware.html — 2 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.narrowin.ch/en/index.html — 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.narrowin.ch/en/ipam.html — 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.narrowin.ch/en/job_engineer.html — 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.narrowin.ch/en/marco.html — 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.narrowin.ch/en/mikrotik_lightweight_sdn.html — 2 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.narrowin.ch/en/mischa.html — 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.narrowin.ch/en/network_assessments.html — 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.narrowin.ch/en/network_designs.html — 2 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.narrowin.ch/en/network_explorer.html — 16 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.narrowin.ch/en/network_labs.html — 3 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 URL redirects to another URL

Rule redirect.single · Crawlability · 1 occurrence(s)

notice Article schema missing recommended properties (Top Stories / image carousel)

Rule schema.article_incomplete · Structured Data · 1 occurrence(s)

  • https://www.narrowin.ch/en/project_firewall_rule_cleanup.html — Article structured data is missing recommended property (datePublished) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.

notice FAQPage structured data (rich result removed May 2026)

Rule schema.faq_deprecated · Structured Data · 1 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 43 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 49 occurrence(s)

notice target=_blank link without rel=noopener (tab-napping)

Rule security.unsafe_cross_origin_links · Security · 11 occurrence(s)

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 1 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 48 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 31 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://www.narrowin.ch/en/index.html
Narrowin - Network & Security for IT and OT		 200 yes 273 48
https://www.narrowin.ch/en/about.html
About Narrowin - University Spin-Off for IT & OT Network Innovation | Narrowin		 200 yes 108 47
https://www.narrowin.ch/en/datenschutz.html
narrowin | digital pragmatism		 200 yes 9211 47
https://www.narrowin.ch/en/digital_transformation.html
Digital Transformation & Project Management - OT/IT Convergence | Narrowin		 200 yes 343 47
https://www.narrowin.ch/en/endpoint_segmentation.html
Legacy Device Segmentation - Protection for Unpatchable OT, Medical & Research Equipment | Narrowin		 200 yes 397 47
https://www.narrowin.ch/en/impressum.html
narrowin | digital pragmatism		 200 yes 54 47
https://www.narrowin.ch/en/jobs.html
Jobs & Careers - Join Our Team | Narrowin		 200 yes 179 47
https://www.narrowin.ch/en/mikrotik_lightweight_sdn.html
MikroTik Lightweight SDN - Network Automation & Management Platform | Narrowin		 200 yes 344 47
https://www.narrowin.ch/en/network_explorer.html
Lightweight Network Explorer - Cut Network Analysis Time by 90% | Narrowin		 200 yes 1212 47
https://www.narrowin.ch/en/network_labs.html
Network & Security Labs - Virtual Testing & Training Environments | Narrowin		 200 yes 280 47
https://www.narrowin.ch/en/network_security.html
IT & OT Network Design, Operations & Automation - Secure Networks | Narrowin		 200 yes 302 47
https://www.narrowin.ch/en/network_segmentation.html
Network Segmentation - Future-Ready Network Architecture | Narrowin		 200 yes 417 47
https://www.narrowin.ch/en/ot_wan_design.html
OT WAN Design - Network Architecture for Energy Utilities and Industry | Narrowin		 200 yes 325 47
https://www.narrowin.ch/en/courses.html
OT Network & Security Courses - Industrial Cybersecurity Training | Narrowin		 200 yes 448 46
https://www.narrowin.ch/de/index.html
Narrowin - Netzwerk & Security für IT und OT		 200 yes 263 3
https://www.narrowin.ch/en/network_assessments.html
Network & Security Assessments - Professional Network Analysis | Narrowin		 200 yes 247 3
https://narrowin.ch/
Narrowin - Network & Security for IT and OT		 200 yes 273 2
https://www.narrowin.ch/en/communication_matrix.html
Zone Communication Matrix - Define Traffic Policies | Narrowin		 200 yes 529 3
https://www.narrowin.ch/en/job_engineer.html
Network & Security Engineer - Network & Security Job | Narrowin		 200 yes 275 2
https://www.narrowin.ch/en/controller.html
Network Diode Controller - Central Management for Microsegmentation | Narrowin		 200 yes 196 2
https://www.narrowin.ch/en/controller_sdn.html
MikroTik SDN Controller - Network Automation & Management | Narrowin		 200 yes 213 2
https://www.narrowin.ch/en/hardware.html
Network Diode Hardware - Narrowin Nodes for Microsegmentation | Narrowin		 200 yes 316 2
https://www.narrowin.ch/en/network_designs.html
Cost-Efficient MikroTik Network Designs - TCO Optimized Examples | Narrowin		 200 yes 265 2
https://www.narrowin.ch/en/network_troubleshooting.html
Network Explorer Rapid Troubleshooting - Minutes-Fast Problem Resolution | Narrowin		 200 yes 253 2
https://www.narrowin.ch/en/mischa.html
narrowin | digital pragmatism		 200 yes 175 3
https://www.narrowin.ch/en/dominik.html
narrowin | digital pragmatism		 200 yes 140 3
https://www.narrowin.ch/en/marco.html
narrowin | digital pragmatism		 200 yes 154 2
https://www.narrowin.ch/en/patrick.html
narrowin | digital pragmatism		 200 yes 134 2
https://www.narrowin.ch/en/course-ot-network.html
OT Networks Course - Industrial Network Fundamentals | Narrowin		 200 yes 333 1
https://www.narrowin.ch/en/course-ot-security.html
OT Security Course - Industrial Cybersecurity Training | Narrowin		 200 yes 301 1
https://www.narrowin.ch/en/project_lateral_movement.html
Lateral Movement Prevention Project - Advanced Network Security | Narrowin		 200 yes 124 7
https://www.narrowin.ch/en/project_healthcare.html
Healthcare Network Security Project - Medical IT Infrastructure Protection | Narrowin		 200 yes 121 5
https://www.narrowin.ch/en/project_enbw.html
EnBW & Narrowin - Strategic Partnership for Critical Infrastructure | Narrowin		 200 yes 129 3
https://www.narrowin.ch/en/project_axians-actemium.html
Axians-Actemium Partnership - Network Explorer for Security | NarrowIN		 200 yes 315 3
https://www.narrowin.ch/en/project_freudedrucken.html
Print(joy) Project - Social Impact Technology for Nursing Homes | Narrowin		 200 yes 93 3
https://www.narrowin.ch/en/project_garderos.html
Garderos Partnership - Industrial Routers for Critical Infrastructure | Narrowin		 200 yes 274 3
https://www.narrowin.ch/en/project_ot_ipam.html
IPAM in OT Environments: IP Address Management for Secure Industrial Networks | narrowin		 200 yes 1046 2
https://www.narrowin.ch/en/project_eniwa.html
Eniwa Project - Secure IT & OT Network Architecture for Energy Utilities | NarrowIN		 200 yes 331 2
https://www.narrowin.ch/en/ipam.html
IP Address Management (IPAM) - Network IP Management Solution | Narrowin		 200 yes 244 2
https://www.narrowin.ch/en/project_firewall_rule_cleanup.html
Firewall Rule Cleanup for IT and OT Networks | narrowin		 200 yes 1179 2
https://www.narrowin.ch/en/project_segmentation_toolbox.html
Plan Network Segmentation: Interactive Tools for VLANs, Zones & Communication Matrix | narrowin		 200 yes 1179 2
https://www.narrowin.ch/en/project_secure_llm.html
Secure LLM Implementation - AI Security & Data Protection Project | Narrowin		 200 yes 411 2
https://www.narrowin.ch/en/project_spanning_tree_analysis.html
Spanning Tree Mapping: Preventing Broadcast Storms in OT Networks | narrowin		 200 yes 2128 2
https://www.narrowin.ch/en/project_ksbl.html
Kantonal Hospital Baselland SIEM - Security Information and Event Management Implementation | Narrowin		 200 yes 323 1
https://www.narrowin.ch/en/project_scicore.html
sciCORE University Basel - High-Performance Computing Network | Narrowin		 200 yes 228 1
https://www.narrowin.ch/en/project_courses.html
FHNW OT Security Training - Industrial Network and Security Courses | Narrowin		 200 yes 271 1
https://www.narrowin.ch/en/project_keys4kids.html
Keys4Kids — Cybersecurity Education for Children | narrowin		 200 yes 134 1
https://narrowin.ch/presentations/ki-agenten-netzwerksicherheit.html
On-Premises KI-Agenten für Netzwerksicherheit - BSI IT-Sicherheitskongress		 200 no 1225 1
https://www.narrowin.ch/en/ai-architecture.html
On-Premises AI Architecture for Sovereign Network Analysis | narrowin		 200 yes 1364 1
https://www.narrowin.ch/nw_assets/nw/security-assessment.png 200 no 0 1

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