---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: zhcn-lineo.com.cn
report_url: "https://crawlinx.com/audit/zhcn-lineo.com.cn"
crawl_id: 20260712T151138-ad350e8d
health_score: 65
generated_at: 2026-07-12T18:31:39Z
total_pages: 8
html_pages: 8
indexable_pages: 8
errors: 0
warnings: 19
notices: 68
---

# SEO audit: zhcn-lineo.com.cn

**Health score: 65/100** — needs attention

> Audited by [Crawlinx](https://crawlinx.com) — the free technical-SEO crawler. Full report: https://crawlinx.com/audit/zhcn-lineo.com.cn

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 8 |
| HTML pages | 8 |
| Indexable | 8 |
| Non-indexable | 0 |
| Orphan pages | 0 |
| Broken internal links | 0 |
| Avg response time | 991 ms |
| Errors / Warnings / Notices | 0 / 19 / 68 |
| Status codes | 8×200 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Canonical | 70 | 0 | 8 | 0 |
| Content | 70 | 0 | 8 | 8 |
| Duplicate | 89 | 0 | 3 | 2 |
| Agent Readiness | 100 | 0 | 0 | 9 |
| Cache | 100 | 0 | 0 | 8 |
| Meta Description | 100 | 0 | 0 | 1 |
| Performance | 100 | 0 | 0 | 8 |
| Security | 100 | 0 | 0 | 8 |
| Social | 100 | 0 | 0 | 16 |
| Structured Data | 100 | 0 | 0 | 8 |

## Issues

### Warnings (19)

#### Missing canonical tag

- Rule: `canonical.missing` · Category: Canonical · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/)
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html)
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html)
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html)
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html)
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html)
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html)
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html)

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — 151 words
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — 123 words
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — 105 words
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — 95 words
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — 151 words
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — 141 words
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — 104 words
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — 101 words

#### Homepage duplicated across protocol/host variants (no redirect)

- Rule: `duplicate.protocol_host` · Category: Duplicate · Occurrences: 1

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — https://www.zhcn-lineo.com.cn/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.

#### Duplicate <title> across pages

- Rule: `duplicate.title` · Category: Duplicate · Occurrences: 2

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — title shared by 2 pages: https://zhcn-lineo.com.cn/index.html
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — title shared by 2 pages: https://zhcn-lineo.com.cn/

### Notices (68)

#### No llms.txt for AI agents

- Rule: `agent.llms_txt_missing` · Category: Agent Readiness · Occurrences: 1

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — no llms.txt found at the site root — add one so AI agents get a curated site summary

#### No main landmark for AI agents

- Rule: `agent.no_main_landmark` · Category: Agent Readiness · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — add a <main> element (or role=main) around the primary content
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — add a <main> element (or role=main) around the primary content

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

- Rule: `cache.not_cacheable` · Category: Cache · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — Cache-Control: (none) · cloudflare: DYNAMIC
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — Cache-Control: (none) · cloudflare: DYNAMIC

#### Duplicate meta description across pages

- Rule: `duplicate.meta_desc` · Category: Duplicate · Occurrences: 2

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — meta description shared by 2 pages: https://zhcn-lineo.com.cn/index.html
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — meta description shared by 2 pages: https://zhcn-lineo.com.cn/

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

- Rule: `meta.keywords_present` · Category: Content · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt

#### Meta description too short

- Rule: `meta_desc.too_short` · Category: Meta Description · Occurrences: 1

- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — 45 chars

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — og:title, og:description, og:image
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — og:title, og:description, og:image

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

- Rule: `perf.no_etag` · Category: Performance · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — 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://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — 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://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — 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://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — 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://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — 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://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — 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://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — 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://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — 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.

#### No structured data detected

- Rule: `schema.none` · Category: Structured Data · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/)
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html)
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html)
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html)
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html)
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html)
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html)
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html)

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/) — CSP, X-Content-Type-Options
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html) — CSP, X-Content-Type-Options
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html) — CSP, X-Content-Type-Options
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html) — CSP, X-Content-Type-Options
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html) — X-Content-Type-Options, CSP
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html) — CSP, X-Content-Type-Options
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html) — X-Content-Type-Options, CSP
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html) — X-Content-Type-Options, CSP

#### Missing Twitter Card tag

- Rule: `twitter.missing` · Category: Social · Occurrences: 8

- [https://zhcn-lineo.com.cn/](https://zhcn-lineo.com.cn/)
- [https://zhcn-lineo.com.cn/download.html](https://zhcn-lineo.com.cn/download.html)
- [https://zhcn-lineo.com.cn/faq.html](https://zhcn-lineo.com.cn/faq.html)
- [https://zhcn-lineo.com.cn/features.html](https://zhcn-lineo.com.cn/features.html)
- [https://zhcn-lineo.com.cn/index.html](https://zhcn-lineo.com.cn/index.html)
- [https://zhcn-lineo.com.cn/pricing.html](https://zhcn-lineo.com.cn/pricing.html)
- [https://zhcn-lineo.com.cn/pro.html](https://zhcn-lineo.com.cn/pro.html)
- [https://zhcn-lineo.com.cn/updates.html](https://zhcn-lineo.com.cn/updates.html)

## Checks & coverage

Crawlinx ran **156 technical-SEO checks** across 27 categories. Categories marked ✓ are fully clean.

- ✗ Agent Readiness — 9 notice(s)
- ✓ AI Content — clean
- ✓ Amp — clean
- ✓ Budget — clean
- ✗ Cache — 8 notice(s)
- ✗ Canonical — 8 warning(s)
- ✗ Content — 8 warning(s), 8 notice(s)
- ✓ Crawlability — clean
- ✗ Duplicate — 3 warning(s), 2 notice(s)
- ✓ Geo — clean
- ✓ Headings — clean
- ✓ Hreflang — clean
- ✓ Images — clean
- ✓ Indexability — clean
- ✓ Links — clean
- ✗ Meta Description — 1 notice(s)
- ✓ Mobile — clean
- ✗ Performance — 8 notice(s)
- ✓ Rendering — clean
- ✓ Robots — clean
- ✗ Security — 8 notice(s)
- ✓ Sitemap — clean
- ✗ Social — 16 notice(s)
- ✗ Structured Data — 8 notice(s)
- ✓ Titles — clean
- ✓ URL — clean
- ✓ Video — clean

---
*Generated by [Crawlinx](https://crawlinx.com) · free technical-SEO audits · https://crawlinx.com/audit/zhcn-lineo.com.cn*

## Use Crawlinx from your app / agent

Crawlinx runs 156 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### Endpoints

**Start a scan**

```
POST https://crawlinx.com/api/scan
Content-Type: application/json

{"url":"https://example.com","mode":"free"}
```

`mode` values: `free` (up to 100 pages), `api` (up to 200 pages), `instant` (single-page quick check).
Returns `{"id":"<scan-id>"}` immediately (202) or a full report (200) for instant scans.

**Get the JSON report**

```
GET https://crawlinx.com/api/scan/{id}/report
```

Returns the full structured report JSON once the scan completes.

**Get this Markdown report**

```
GET https://crawlinx.com/r/{id}.md
```

Returns this LLM-ready Markdown document.

**List recent public audits**

```
GET https://crawlinx.com/api/reports
```

### Quick start (curl)

```bash
# Start a scan and capture the id
ID=$(curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}' | jq -r .id)

# Poll until done, then fetch the Markdown report
curl -s https://crawlinx.com/r/$ID.md
```

Full API reference & usage rules: https://crawlinx.com/api