CCLEE Toolkit — SEO

Admin path: CCLEE Toolkit → SEO

Enabled by Default

SEO Enhancer module is enabled by default and takes effect automatically after plugin activation.

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SEO Master Switch

Enable SEO Enhancer Module controls all SEO Tab features.

When disabled, no meta tags, verification codes, or Indexing requests will be output.

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Site Verification

After verifying your domain in the respective search engine webmaster tools, paste the verification code.

Search Engine	Input	Output Tag
Google Search Console	Verification code	<meta name="google-site-verification">
Bing Webmaster Tools	Verification code	<meta name="msvalidate.01">
Yandex Webmaster	Verification code	<meta name="yandex-verification">

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Indexing — Auto-notify Search Engines

Configure IndexNow

When enabled, automatically sends notifications to IndexNow-compatible search engines (Bing, Yandex, etc.) when posts are published or updated.

Configure IndexNow

Check Enable IndexNow, click Generate Key to generate an API Key (Key file auto-hosted at /{key}.txt), and save settings.

Automatically notifies Bing, Yandex, and other IndexNow-compatible search engines when posts are published/updated.

Google Indexing API

Directly pushes URLs to Google index, suitable for sites requiring rapid Google indexing updates.

1. Create a Service Account in Google Cloud Console and enable Indexing API
2. Grant the Service Account "Site owner" permission in Google Search Console
3. Check Enable Google Indexing API and paste the Service Account JSON
4. Save settings

Permission Required

The Service Account must be granted Site owner permission in Google Search Console, otherwise submission will fail.

Automatic behavior:

• Publish/update post → Submit URL_UPDATED
• Delete post → Submit URL_DELETED
• Access Token obtained via JWT signature, cached for 50 minutes (no third-party library dependency)

Manual Submission — Submit a Single URL Manually

No configuration required, always available when SEO module is enabled.

1. Enter complete URL
2. Check submission channels: IndexNow and/or Google
3. Click Submit

Submission Log

IndexNow and Google Indexing API submission records are displayed in the table at the bottom of the SEO Tab:

Column	Description
Source	indexnow / google
URL	Submitted page URL
Status	Success / Fail
HTTP Code	Response code
Time	Submission time

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Open Graph + JSON-LD

Open Graph Tags

When checked, all frontend pages output:

• og:title, og:description, og:url, og:type, og:site_name
• og:image (when featured image exists)
• Twitter Card: twitter:card, twitter:title, twitter:description

JSON-LD Schema

When checked, outputs structured data:

• Single posts/pages: Article Schema
• Homepage: WebPage Schema

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llms.txt — LLM Crawler Text File

When enabled, generates a plain text site summary for AI assistants and LLM search engines.

Access URL: /llms.txt

Content includes:

• Site name and description
• Core Pages (main page list)
• Product list (if WooCommerce exists)
• Sitemap link
• Custom additional content (optional)

1. Check Enable llms.txt

Check Enable llms.txt — auto-generate a text file for LLM crawlers in the SEO Tab.

2. Add Custom Content (Optional)

Add content (such as copyright notice) in the Custom extra content field, appended after auto-generated content.

3. Save and Verify

After saving, visit /llms.txt to check the output content.

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Verify SEO Output

1. View Page Source

Visit any frontend page, right-click → View Page Source.

2. Search for Tags

Search for corresponding tags to verify output:

# OG tags
og:title

# Twitter Card
twitter:card

# JSON-LD
application/ld+json

# Site verification
google-site-verification

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FAQ

SEO tags not outputting?

Confirm SEO Enhancer option is enabled (enabled by default). If using a caching plugin, clear cache and retry.

IndexNow key file 404?

Key file is hosted by WordPress virtually. Ensure permalinks are saved (Settings → Permalinks → Save).

Google Indexing API submission failed?

Check three points: Is Service Account JSON valid, is Site owner permission granted in Search Console, is Indexing API enabled in Cloud Console.

llms.txt returns 404?

Confirm llms.txt option is enabled, and save permalink settings once.