Catalog / halon.io
65

SEO audit for halon.io

Halon | Email Infrastructure and Security

saas

Health 65/100 (fair) · 50 pages crawled · generated 2026-08-26

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

Email Infrastructure and security - ready-made by us, but controlled by you.

Screenshot of halon.io
50
pages crawled
49
indexable pages
0
errors
198
warnings
480
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Performance 59 0 68 158
Links 69 0 51 3
Agent Readiness 72 0 46 35
Duplicate 94 0 10 5
Content 95 0 8 48
Rendering 98 0 4 0
Canonical 98 0 3 0
Headings 99 0 2 3
Budget 99 0 1 0
Crawlability 99 0 1 4
Images 99 0 1 47
Indexability 99 0 1 0
Structured Data 99 0 1 49
Video 99 0 1 0
Amp 100 0 0 14
Cache 100 0 0 46
Meta Description 100 0 0 9
Security 100 0 0 53
Sitemap 100 0 0 1
Titles 100 0 0 5
Findings

Warnings (16 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 46 occurrence(s)

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

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

  • https://halon.io/demo — this noindex page has 46 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://halon.io/, https://halon.io/blog/smtp-lang-extension, https://halon.io/case-studies/duocircle.

warning Missing canonical tag

Rule canonical.missing · Canonical · 3 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 8 occurrence(s)

warning Duplicate page content

Rule duplicate.content · Duplicate · 5 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 5 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 2 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 1 occurrence(s)

warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)

Rule images.no_lazy_lcp_candidate · Performance · 18 occurrence(s)

  • https://halon.io/abuse-guard — the likely hero/LCP image (engage-logo-black-outlined.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/bfcm-2025 — the likely hero/LCP image (profile-black-on-white.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/considerations-regarding-dmarc-forensic-reports — the likely hero/LCP image (anders%20berggren%20portrait-1.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/halon-and-sap-emarsys — the likely hero/LCP image (profile-black-on-white.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/halon-engage-17 — the likely hero/LCP image (profile-black-on-white.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/history-of-anti-spam-and-spam-filters — the likely hero/LCP image (chaitanya_chinta_portrait-1.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/onecom-halon-celebrate-decade-long-partnership — the likely hero/LCP image (1557714877699.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/smtp-lang-extension — the likely hero/LCP image (anders%20berggren%20portrait-1.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/blog/solve-domain-reputation-and-compliance-issues-with-sender-shield — the likely hero/LCP image (profile-black-on-white.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/case-studies-stadt-straubing — the likely hero/LCP image (halon-classify-stadt-straubing.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/company — the likely hero/LCP image (engage-logo-black-outlined.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/glossary/spam-email-threats — the likely hero/LCP image (pro-tip.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/halon-classify-demo — the likely hero/LCP image (classify-logo-white.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/halon-engage-demo — the likely hero/LCP image (engage-logo-white.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/halon-engage/vs/power-mta — the likely hero/LCP image (gam%201%2c%20joypad%2c%20game%2c%20play%2c%20video%2c%20score%2c%20console.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/halon-nps — the likely hero/LCP image (hand-gradient.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/halon-protect-demo — the likely hero/LCP image (protect-logo-white-1.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://halon.io/products/protect — the likely hero/LCP image (protect-logo-white-1.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.

warning Page is noindex

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

warning Internal link points to a redirect

Rule links.redirect_target · Links · 51 occurrence(s)

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

Rule perf.render_blocking · Performance · 50 occurrence(s)

warning Redirect chain (multiple hops)

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

warning Content only rendered by JavaScript (invisible to non-JS crawlers & AI)

Rule rendering.js_shell · Rendering · 4 occurrence(s)

  • https://halon.io/bird-to-halon-migration-overview-pdf — Raw HTML has 4 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
  • https://halon.io/halon-engage-solution-overview-pdf — Raw HTML has 3 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
  • https://halon.io/halon-protect-solution-overview-pdf — Raw HTML has 3 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
  • https://halon.io/privacy-policy-pdf — Raw HTML has 3 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.

warning Rich-result schema missing required properties

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

warning VideoObject declared but no player element on page

Rule video.no_player · Video · 1 occurrence(s)

Notices (30 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 35 occurrence(s)

notice AMP markup present (no Google Search benefit since Jul 2026)

Rule amp.deprecated · Amp · 14 occurrence(s)

  • https://halon.io/blog/bfcm-2025 — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/case-study-spilgames — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/considerations-regarding-dmarc-forensic-reports — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/easter-greetings — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/halon-and-sap-emarsys — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/halon-award-sme-security-solution — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/halon-engage-17 — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/halon-growth-acceleration-program-scale-global — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/halon-m3aawg-san-francisco — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/history-of-anti-spam-and-spam-filters — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/one-com-reduced-email-costs-70 — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/onecom-halon-celebrate-decade-long-partnership — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/smtp-lang-extension — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.
  • https://halon.io/blog/solve-domain-reputation-and-compliance-issues-with-sender-shield — this page advertises an AMP variant via <link rel="amphtml"> — Google removed AMP from Search on 1 Jul 2026, so the AMP page earns no ranking or feature benefit. Consider removing the link and 301-redirecting /amp/ URLs to their canonical equivalents.

notice Page served uncached (no-store/private or CDN bypass)

Rule cache.not_cacheable · Cache · 46 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 4 occurrence(s)

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

Rule content.readability_poor · Content · 42 occurrence(s)

  • https://halon.io/ — this page reads as difficult (Flesch Reading Ease 46, 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://halon.io/abuse-guard — 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://halon.io/blog — this page reads as difficult (Flesch Reading Ease 48, 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://halon.io/blog/tag/tech — 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://halon.io/case-studies — this page reads as very difficult (Flesch Reading Ease 23, 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://halon.io/case-studies/duocircle — this page reads as very difficult (Flesch Reading Ease 30, 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://halon.io/company — this page reads as very difficult (Flesch Reading Ease 25, 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://halon.io/contact — this page reads as very difficult (Flesch Reading Ease 30, 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://halon.io/events — this page reads as difficult (Flesch Reading Ease 33, 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://halon.io/glossary — this page reads as very difficult (Flesch Reading Ease 16, 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://halon.io/halon-classify-demo — this page reads as difficult (Flesch Reading Ease 35, 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://halon.io/halon-engage-demo — this page reads as very difficult (Flesch Reading Ease 22, 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://halon.io/halon-engage/vs/power-mta — 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://halon.io/halon-nps — this page reads as difficult (Flesch Reading Ease 49, 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://halon.io/halon-privacy-policy — this page reads as difficult (Flesch Reading Ease 35, 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://halon.io/halon-protect-demo — 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://halon.io/old — this page reads as difficult (Flesch Reading Ease 44, 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://halon.io/pricing — this page reads as difficult (Flesch Reading Ease 33, 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://halon.io/product — this page reads as very difficult (Flesch Reading Ease 22, 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://halon.io/product-old — this page reads as very difficult (Flesch Reading Ease 22, 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://halon.io/products/protect — 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://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — this page reads as very difficult (Flesch Reading Ease 20, 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://halon.io/support — 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://halon.io/testblog — 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://halon.io/why-halon — 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.

notice Title tag and meta description are identical

Rule content.title_meta_same · Meta Description · 1 occurrence(s)

  • https://halon.io/testblog — the meta description is identical to the <title> — write a distinct description to control the SERP snippet

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 5 occurrence(s)

notice Article page has no author attribution (E-E-A-T)

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

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

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

  • https://halon.io/case-studies-stadt-straubing — this page is marked up as an article but has no publication date — no datePublished in its JSON-LD and no visible date — add a visible published date and an Article.datePublished so Google can assess freshness

notice Multiple <h1> elements

Rule h1.multiple · Headings · 3 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 1 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 18 occurrence(s)

  • https://halon.io/ — the likely hero/LCP image (microsoft_logo_monocrome.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://halon.io/about-halon/case-one-com/ — the likely hero/LCP image (kpn_white_nospace.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://halon.io/blog/case-study-spilgames — the likely hero/LCP image (cta-6-features-webbtypsnitt-1-jun-23-2022-10-41-45-12-am.png) 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://halon.io/case-studies — the likely hero/LCP image (netcore.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://halon.io/case-studies/duocircle — the likely hero/LCP image (kpn_white_nospace.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://halon.io/contact — the likely hero/LCP image (pho%201%2c%20recall%2c%20busy%2c%20hold%2c%20mobile%20phone%2c%20phone%20number%2c%20call%2c%20telephone.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://halon.io/dynamic-email-operations — the likely hero/LCP image (jump-icon.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://halon.io/events — the likely hero/LCP image (untitled%20design%20(1).png) 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://halon.io/features/ — the likely hero/LCP image (halon-website-form-symbols-2.png) 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://halon.io/glossary — the likely hero/LCP image (virus-gradient.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://halon.io/old — the likely hero/LCP image (illustration_03_halon_white_f-1.png) 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://halon.io/pricing — the likely hero/LCP image (halon-website-maya-01-1.png) 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://halon.io/product — the likely hero/LCP image (halon-website-form-symbols-2.png) 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://halon.io/product-old — the likely hero/LCP image (halon-website-form-symbols-2.png) 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://halon.io/request-pricing/ — the likely hero/LCP image (halon-website-maya-01-1.png) 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://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — the likely hero/LCP image (e9fe337d-a9a3-4138-beef-875a6ea5c8c0%202.png) 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://halon.io/support — the likely hero/LCP image (halon-website-maya-01-1.png) 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://halon.io/why-halon — the likely hero/LCP image (microsoft_logo_gray.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 · 46 occurrence(s)

notice Internal link has no anchor text / accessible name

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

  • https://halon.io/abuse-guard — 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://halon.io/blog/case-study-spilgames — 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://halon.io/company — 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.

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 2 occurrence(s)

notice Meta description too short

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

notice Large DOM (over 1500 elements) slows rendering & interaction

Rule perf.dom_size_large · Performance · 1 occurrence(s)

  • https://halon.io/glossary/spam-email-threats — the page has 1714 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.

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

Rule perf.images_legacy_format · Performance · 46 occurrence(s)

  • https://halon.io/ — 14 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://halon.io/abuse-guard — 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://halon.io/blog — 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://halon.io/blog/smtp-lang-extension — 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://halon.io/case-studies — 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://halon.io/case-studies/duocircle — 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://halon.io/company — 19 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://halon.io/contact — 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://halon.io/dynamic-email-operations — 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://halon.io/events — 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://halon.io/glossary — 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://halon.io/glossary/spam-email-threats — 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://halon.io/halon-classify-demo — 11 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://halon.io/halon-engage-demo — 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.
  • https://halon.io/halon-engage/vs/power-mta — 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://halon.io/halon-nps — 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://halon.io/halon-privacy-policy — 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://halon.io/halon-protect-demo — 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://halon.io/old — 8 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://halon.io/pricing — 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://halon.io/product — 8 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://halon.io/products/protect — 8 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://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — 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://halon.io/support — 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://halon.io/why-halon — 13 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 No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 50 occurrence(s)

  • https://halon.io/ — 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://halon.io/abuse-guard — 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://halon.io/blog — 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://halon.io/blog/smtp-lang-extension — 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://halon.io/case-studies/duocircle — 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://halon.io/company — 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://halon.io/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://halon.io/events — 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://halon.io/glossary — 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://halon.io/glossary/spam-email-threats — 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://halon.io/halon-classify-demo — 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://halon.io/halon-engage-demo — 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://halon.io/halon-engage-solution-overview-pdf — 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://halon.io/halon-engage/vs/power-mta — 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://halon.io/halon-nps — 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://halon.io/halon-privacy-policy — 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://halon.io/halon-protect-demo — 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://halon.io/halon-protect-solution-overview-pdf — 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://halon.io/old — 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://halon.io/privacy-policy-pdf — 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://halon.io/product — 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://halon.io/products/protect — 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://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — 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://halon.io/support — 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://halon.io/why-halon — 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 · 43 occurrence(s)

  • https://halon.io/ — 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://halon.io/abuse-guard — 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://halon.io/blog/smtp-lang-extension — 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://halon.io/case-studies — 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://halon.io/case-studies/duocircle — 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://halon.io/company — 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://halon.io/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://halon.io/demo — 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://halon.io/dynamic-email-operations — 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://halon.io/events — 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://halon.io/glossary — 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://halon.io/glossary/spam-email-threats — 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://halon.io/halon-classify-demo — 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://halon.io/halon-engage-demo — 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://halon.io/halon-engage/vs/power-mta — 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://halon.io/halon-nps — 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://halon.io/halon-privacy-policy — 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://halon.io/halon-protect-demo — 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://halon.io/old — 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://halon.io/pricing — 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://halon.io/product — 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://halon.io/products/protect — 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://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — 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://halon.io/support — 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://halon.io/why-halon — 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 · 4 occurrence(s)

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

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

  • https://halon.io/case-studies-stadt-straubing — Article structured data is missing recommended properties (image, datePublished, author) — 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 Deep page has no BreadcrumbList structured data

Rule schema.breadcrumb_missing · Structured Data · 2 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 45 occurrence(s)

notice SoftwareApplication schema incomplete (name/offers-or-rating/recommended)

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

  • https://halon.io/case-studies-stadt-straubing — SoftwareApplication structured data is missing required property (offers|aggregateRating|review) — complete it to be eligible for the rich result (validate with the Rich Results Test).

notice Missing recommended security headers

Rule security.missing_headers · Security · 7 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 46 occurrence(s)

  • https://halon.io/ — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/abuse-guard — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/blog — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/blog/smtp-lang-extension — 9 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/case-studies — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/case-studies/duocircle — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/company — 7 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/contact — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/dynamic-email-operations — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/events — 7 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/glossary — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/glossary/spam-email-threats — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-classify-demo — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-engage-demo — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-engage/vs/power-mta — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-nps — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-privacy-policy — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/halon-protect-demo — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/old — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/pricing — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/product — 8 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/products/protect — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/support — 8 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://halon.io/why-halon — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

notice Indexable page not listed in sitemap

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

notice Title tag is identical to the H1 (missed keyword variation)

Rule title.same_as_h1 · Titles · 1 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 4 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://halon.io/
Halon | Email Infrastructure and Security		 200 yes 1035 46
https://halon.io/about-halon/case-one-com/
Case Studies - group.one		 200 yes 864 47
https://halon.io/blog
News | Halon		 200 yes 491 46
https://halon.io/case-studies
Case studies | Halon		 200 yes 312 46
https://halon.io/company
Company | Halon		 200 yes 1449 46
https://halon.io/demo
Book a demo | Halon		 200 no 277 46
https://halon.io/dynamic-email-operations
Discover Dynamic Email Operations		 200 yes 1238 46
https://halon.io/glossary
Glossary | Halon		 200 yes 191 46
https://halon.io/halon-nps
Halon receives a Net Promoter Score (NPS) of 75!		 200 yes 912 46
https://halon.io/halon-privacy-policy
Halon Privacy Policy | Personal Data Processing & Rights | Halon		 200 yes 201 46
https://halon.io/product
Technology | Halon		 200 yes 2193 46
https://halon.io/products/protect
Halon Protect for Service Providers		 200 yes 1190 46
https://halon.io/solutions/email-infrastructure-for-cloud-email-security-providers
Carrier-grade email infrastructure for Cloud Email Security Providers		 200 yes 668 46
https://halon.io/support
Support | Halon		 200 yes 267 46
https://halon.io/why-halon
Why Halon?		 200 yes 960 46
https://halon.io/contact
Contact us | Halon		 200 yes 193 12
https://halon.io/blog/halon-and-sap-emarsys
Halon and SAP Emarsys: modernizing email infrastructure to drive growth		 200 yes 762 3
https://halon.io/case-studies/duocircle
Case Studies - DuoCircle | Halon		 200 yes 725 3
https://halon.io/case-studies-stadt-straubing
How Stadt Straubing Improved Email Security with Halon		 200 yes 1070 1
https://halon.io/privacy-policy-pdf
Halon Privacy Policy - PDF		 200 yes 3 1
https://halon.io/glossary/spam-email-threats
Glossary - Spam Email Threats | Halon		 200 yes 3075 1
https://halon.io/halon-protect-demo
Halon Protect | Book a demo		 200 yes 432 1
https://halon.io/blog/tag/tech
News | Halon | tech		 200 yes 477 6
https://halon.io/abuse-guard
Abuse Guard | Stop abuse before mailbox providers react		 200 yes 718 1
https://halon.io/blog/solve-domain-reputation-and-compliance-issues-with-sender-shield
Halon is building for the future with Sender Shield		 200 yes 588 1
https://halon.io/features/
Technology | Halon		 200 yes 2193 1
https://halon.io/product-old
Technology | Halon		 200 yes 2193 1
https://halon.io/request-pricing/
Pricing | Halon		 200 yes 446 1
https://halon.io/bird-to-halon-migration-overview-pdf
Bird to Halon Migration Overview - PDF		 200 yes 4 0
https://halon.io/blog/bfcm-2025
Will you sink or float this BFCM?		 200 yes 1273 0
https://halon.io/blog/case-study-spilgames
How an online gaming publisher reduced spam to focus on its community		 200 yes 1439 0
https://halon.io/blog/considerations-regarding-dmarc-forensic-reports
Key considerations for handling DMARC forensic reports		 200 yes 855 0
https://halon.io/blog/easter-greetings
Easter greetings from Halon: Celebrating with our community		 200 yes 268 0
https://halon.io/blog/halon-award-sme-security-solution
Halon awarded as SME Security Solution of the Year		 200 yes 423 0
https://halon.io/blog/halon-engage-17
Introducing Halon Engage 17		 200 yes 1018 0
https://halon.io/blog/halon-growth-acceleration-program-scale-global
Halon launches growth acceleration program to scale globally		 200 yes 502 0
https://halon.io/blog/halon-m3aawg-san-francisco
Halon continues to sponsor M3AAWG		 200 yes 435 0
https://halon.io/blog/history-of-anti-spam-and-spam-filters
The history of anti-spam and spam filters: Key milestones		 200 yes 1933 0
https://halon.io/blog/one-com-reduced-email-costs-70
How One.com achieved a 70% email cost reduction with Halon		 200 yes 545 0
https://halon.io/blog/onecom-halon-celebrate-decade-long-partnership
One.com & Halon celebrate a decade of successful partnership		 200 yes 1907 0
https://halon.io/blog/smtp-lang-extension
SMTP LANG extension: Enhancing email communication		 200 yes 421 0
https://halon.io/events
Events | Halon		 200 yes 189 0
https://halon.io/halon-classify-demo
Halon Classify | Book a demo		 200 yes 321 0
https://halon.io/halon-engage-demo
Halon Engage | Book a demo		 200 yes 374 0
https://halon.io/halon-engage-solution-overview-pdf
Halon Engage Solution Overview - PDF		 200 yes 3 0
https://halon.io/halon-engage/vs/power-mta
Halon Engage Vs PowerMTA		 200 yes 1289 0
https://halon.io/halon-protect-solution-overview-pdf
Halon Protect Solution Overview - PDF		 200 yes 3 0
https://halon.io/old
Halon: the secure, modern and growth-proof MTA (mail transfer agent)		 200 yes 778 0
https://halon.io/pricing
Pricing | Halon		 200 yes 446 0
https://halon.io/testblog
test		 200 yes 145 0

Audit your own site — free

157 checks, internal PageRank, render-diff. No signup, results in ~30s.

Scan your site →