Catalog / dec.co.id
65

SEO audit for dec.co.id

DEC

other

Health 65/100 (fair) · 13 pages crawled · generated 2026-08-26

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

Darya Elang Caraka (DEC) adalah perusahaan konstruksi terkemuka yang menyediakan layanan manajemen proyek dan aset di Indonesia.

Screenshot of dec.co.id
13
pages crawled
13
indexable pages
0
errors
65
warnings
213
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Agent Readiness 70 0 13 1
Canonical 70 0 13 0
Duplicate 70 0 13 13
Performance 70 0 13 70
Content 75 0 11 38
Headings 95 0 2 0
Cache 100 0 0 13
Images 100 0 0 13
Links 100 0 0 13
Security 100 0 0 26
Structured Data 100 0 0 13
Titles 100 0 0 13
Findings

Warnings (6 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 13 occurrence(s)

warning Missing canonical tag

Rule canonical.missing · Canonical · 13 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 11 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 13 occurrence(s)

warning Missing <h1>

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

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

Rule perf.render_blocking · Performance · 13 occurrence(s)

Notices (18 rules)

notice No llms.txt for AI agents

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

  • https://dec.co.id/ — no llms.txt found at the site root — add one so AI agents get a curated site summary

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

Rule cache.not_cacheable · Cache · 13 occurrence(s)

notice Low text-to-HTML ratio

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

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

Rule content.readability_poor · Content · 12 occurrence(s)

  • https://dec.co.id/ — this page reads as difficult (Flesch Reading Ease 31, 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://dec.co.id/project — 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://dec.co.id/project/ded-biodiesel-plant-1500-tpd-batu-licin — this page reads as difficult (Flesch Reading Ease 37, 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://dec.co.id/project/ded-pertashop-gen-3 — 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://dec.co.id/project/ded-spbu-green-energy-station — this page reads as difficult (Flesch Reading Ease 31, 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://dec.co.id/project/ded-spbu-kompak — 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://dec.co.id/project/detailed-engineering-design-spbu-terapung — this page reads as 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://dec.co.id/project/digitalisasi-aset-pertamina-refinery-cilacap — 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://dec.co.id/project/freeport-manyar-refinery-project — this page reads as difficult (Flesch Reading Ease 31, 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://dec.co.id/project/jakarta-tank-terminal-phase-2a — this page reads as difficult (Flesch Reading Ease 31, 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://dec.co.id/project/lpg-tuban — this page reads as 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://dec.co.id/project/welding-management-system — 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.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 13 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 13 occurrence(s)

  • https://dec.co.id/ — the likely hero/LCP image (in the office-pana.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://dec.co.id/contact — the likely hero/LCP image (email campaign.gif) 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://dec.co.id/project — the likely hero/LCP image (wbwudxbab8r6q5mwvsacpltsotaj5qichwwr7mar.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://dec.co.id/project/ded-biodiesel-plant-1500-tpd-batu-licin — the likely hero/LCP image (tp5zlenwrvnrueduslrrball0l3lqaewgvvqw6yg.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://dec.co.id/project/ded-pertashop-gen-3 — the likely hero/LCP image (qhnslvgcbsnlobcpllsmfktv99dhcpbva3ytubys.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://dec.co.id/project/ded-spbu-green-energy-station — the likely hero/LCP image (1gxvbjbu980c3gqlgs8yk2ixt8zv8shsut6eleio.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://dec.co.id/project/ded-spbu-kompak — the likely hero/LCP image (mrdqukqueycctxrlrledqkppuu6nimbz9hywlold.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://dec.co.id/project/detailed-engineering-design-spbu-terapung — the likely hero/LCP image (1fyxohcoabtcrdcrxwzvvjwkuijssbkjnic8yyxd.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://dec.co.id/project/digitalisasi-aset-pertamina-refinery-cilacap — the likely hero/LCP image (22bt4za9zotu71jaw7wrjux1nplropqqxlyeqsbi.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://dec.co.id/project/freeport-manyar-refinery-project — the likely hero/LCP image (duhkthttbjkk0urgrjfajaaok1y4imlbsuc1us27.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://dec.co.id/project/jakarta-tank-terminal-phase-2a — the likely hero/LCP image (emphwi2ayjbolw7cald2pc5a8sezr5pgk7wxb90x.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://dec.co.id/project/lpg-tuban — the likely hero/LCP image (wbwudxbab8r6q5mwvsacpltsotaj5qichwwr7mar.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://dec.co.id/project/welding-management-system — the likely hero/LCP image (wvo5dpnmveue8mpxrfulv2n3bjq70ij4vhtlccoc.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.

notice Images without width/height (layout shift / CLS)

Rule images.missing_dimensions · Images · 13 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 13 occurrence(s)

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

Rule meta.keywords_present · Content · 13 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 13 occurrence(s)

notice Large HTML document

Rule perf.large_html · Performance · 13 occurrence(s)

notice No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 13 occurrence(s)

  • https://dec.co.id/ — 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://dec.co.id/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://dec.co.id/project — 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://dec.co.id/project/ded-biodiesel-plant-1500-tpd-batu-licin — 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://dec.co.id/project/ded-pertashop-gen-3 — 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://dec.co.id/project/ded-spbu-green-energy-station — 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://dec.co.id/project/ded-spbu-kompak — 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://dec.co.id/project/detailed-engineering-design-spbu-terapung — 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://dec.co.id/project/digitalisasi-aset-pertamina-refinery-cilacap — 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://dec.co.id/project/freeport-manyar-refinery-project — 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://dec.co.id/project/jakarta-tank-terminal-phase-2a — 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://dec.co.id/project/lpg-tuban — 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://dec.co.id/project/welding-management-system — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

notice No Last-Modified header (no conditional GET for unchanged pages)

Rule perf.no_last_modified · Performance · 13 occurrence(s)

  • https://dec.co.id/ — 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://dec.co.id/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://dec.co.id/project — 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://dec.co.id/project/ded-biodiesel-plant-1500-tpd-batu-licin — 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://dec.co.id/project/ded-pertashop-gen-3 — 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://dec.co.id/project/ded-spbu-green-energy-station — 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://dec.co.id/project/ded-spbu-kompak — 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://dec.co.id/project/detailed-engineering-design-spbu-terapung — 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://dec.co.id/project/digitalisasi-aset-pertamina-refinery-cilacap — 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://dec.co.id/project/freeport-manyar-refinery-project — 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://dec.co.id/project/jakarta-tank-terminal-phase-2a — 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://dec.co.id/project/lpg-tuban — 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://dec.co.id/project/welding-management-system — 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 Slow server response

Rule perf.slow_response · Performance · 5 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 13 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 13 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 13 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 13 occurrence(s)

Pages (showing 13 of 13)
URLStatusIndexableWordsIn-links
https://dec.co.id/
DEC		 200 yes 387 13
https://dec.co.id/contact
DEC		 200 yes 51 13
https://dec.co.id/project
DEC		 200 yes 390 13
https://dec.co.id/project/ded-pertashop-gen-3
DEC		 200 yes 166 8
https://dec.co.id/project/jakarta-tank-terminal-phase-2a
DEC		 200 yes 161 7
https://dec.co.id/project/digitalisasi-aset-pertamina-refinery-cilacap
DEC		 200 yes 170 7
https://dec.co.id/project/lpg-tuban
DEC		 200 yes 160 6
https://dec.co.id/project/freeport-manyar-refinery-project
DEC		 200 yes 165 6
https://dec.co.id/project/ded-spbu-green-energy-station
DEC		 200 yes 177 6
https://dec.co.id/project/welding-management-system
DEC		 200 yes 176 3
https://dec.co.id/project/ded-biodiesel-plant-1500-tpd-batu-licin
DEC		 200 yes 182 3
https://dec.co.id/project/ded-spbu-kompak
DEC		 200 yes 172 4
https://dec.co.id/project/detailed-engineering-design-spbu-terapung
DEC		 200 yes 173 4

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