Live link checker
工作流概述
这是一个包含13个节点的复杂工作流，主要用于自动化处理各种任务。
工作流源代码
{
"id": "WGUpujme8ctIkBF8",
"meta": {
"instanceId": "431560c610ab26f4776059ff809760704293c90767af32183943d4c54ac57441",
"templateCredsSetupCompleted": true
},
"name": "Live link checker",
"tags": [],
"nodes": [
{
"id": "40009961-9c97-49ee-b9ce-440e65b41e47",
"name": "Loop Over Items",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-280,
200
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "85a73ac8-a8c6-4b5e-a870-3b1a58336037",
"name": "When clicking ‘Test workflow’",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-1060,
200
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a1495fc5-d39d-4cf5-b8d3-a804d82ba1a5",
"name": "Reads Google Sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
-780,
200
],
"parameters": {
"options": {
"dataLocationOnSheet": {
"values": {
"range": "D1:E",
"rangeDefinition": "specifyRangeA1"
}
}
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1573787772,
"cachedResultUrl": "",
"cachedResultName": "Lost links"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "10CYntk8OmYemJBpcfs1dH_7p_PJxiBMpsfATtLYw7jI",
"cachedResultUrl": "",
"cachedResultName": "Sheet with lost links"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "shxBIVyk68LlqTnb",
"name": "Google Sheets account 3"
}
},
"typeVersion": 4.5
},
{
"id": "bd055fee-f66b-4b1d-9ee2-3581021d8b1f",
"name": "Cleans backlink url",
"type": "n8n-nodes-base.code",
"position": [
-560,
200
],
"parameters": {
"jsCode": "return items.map(item => {
let url = item.json['Backlink URL']; // Get the URL from the current item's JSON
let domain = url.match(/https?:\/\/(?:www\.)?([^/]+)/)[1];
return { json: { domain, url } };
});
$input.first().json['Backlink URL']"
},
"typeVersion": 2
},
{
"id": "030b04e9-da35-4448-b2f4-c1543eafabf5",
"name": "Sends HTTP POST Request to DataForSEO",
"type": "n8n-nodes-base.httpRequest",
"position": [
-20,
220
],
"parameters": {
"url": "https://api.dataforseo.com/v3/on_page/task_post",
"method": "POST",
"options": {},
"jsonBody": "=[{
\"target\": \"{{ $json.domain }}\",
\"start_url\": \"{{ $json.url }}\",
\"max_crawl_pages\": 1
}]",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpBasicAuth"
},
"credentials": {
"httpBasicAuth": {
"id": "MeuonUXyXYX6lg4R",
"name": "Unnamed credential"
}
},
"typeVersion": 4.2
},
{
"id": "6ac33fbd-2daf-4b5f-a7a2-fe742294765b",
"name": "Waits 20 seconds",
"type": "n8n-nodes-base.wait",
"position": [
200,
220
],
"webhookId": "f1cc4df1-6443-4ecd-8708-fd40858f3762",
"parameters": {
"amount": 20
},
"typeVersion": 1.1
},
{
"id": "2213992d-d782-4357-8f59-87a8afb3f7f1",
"name": "Sends HTTP links request to DataforSeo",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
440,
220
],
"parameters": {
"url": "https://api.dataforseo.com/v3/on_page/links",
"method": "POST",
"options": {
"batching": {
"batch": {
"batchSize": 1
}
}
},
"jsonBody": "=[
{
\"id\": \"{{ $json.tasks[0].id }}\"
}
]
",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpBasicAuth"
},
"credentials": {
"httpBasicAuth": {
"id": "MeuonUXyXYX6lg4R",
"name": "Unnamed credential"
}
},
"typeVersion": 4.2,
"alwaysOutputData": false
},
{
"id": "ab3b47d7-381a-48e9-aad3-8555d6c36145",
"name": "Checks which backlinks exists on the landing page",
"type": "n8n-nodes-base.code",
"position": [
680,
220
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const result = $json.tasks?.[0]?.result?.[0];
const links = result?.items || []; // Safe fallback to an empty array
let backlink = $('Reads Google Sheets').item.json['Landing page']; // Expected backlink
// Find the backlink in the scraped data
let foundLink = links.find(link => link.link_to === backlink);
// Check if the backlink exists and if it's dofollow
let status = \"Lost\"; // Default to lost
if (foundLink) {
status = foundLink.dofollow ? \"Live\" : \"Lost (Nofollow)\";
}
return {
json: {
backlink: backlink,
status: status
}
};
"
},
"typeVersion": 2
},
{
"id": "d07a8791-74d9-4f86-b9d8-e0847406a96e",
"name": "Sends data to Google sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
900,
220
],
"parameters": {
"columns": {
"value": {
"Status": "={{ $json.status }}",
"Backlink URL": "={{ $('Loop Over Items').item.json.url }}"
},
"schema": [
{
"id": "Company",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Company",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Contact A",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Contact A",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Channel",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Channel",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Backlink URL",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Backlink URL",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Landing page",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Landing page",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Anchor",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Anchor",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Money out",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Money out",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Money in",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Money in",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Invoice OUT",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Invoice OUT",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Invoice IN",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Invoice IN",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Invoice out status",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Invoice out status",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Invoice in status",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Invoice in status",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Status",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Status",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Backlink URL"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1573787772,
"cachedResultUrl": "",
"cachedResultName": "Lost links"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "10CYntk8OmYemJBpcfs1dH_7p_PJxiBMpsfATtLYw7jI",
"cachedResultUrl": "",
"cachedResultName": "Sheet with lost links"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "shxBIVyk68LlqTnb",
"name": "Google Sheets account 3"
}
},
"typeVersion": 4.5
},
{
"id": "f241c2f2-6a0b-4709-92ff-c6c11f9477f5",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-880,
-200
],
"parameters": {
"color": 4,
"width": 300,
"height": 340,
"content": "Connect your Google Sheets account.
Ensure your Google Sheet has clearly defined columns:
\"Backlink URL\": URL of the page containing the backlink.
\"Landing page\": The exact URL of your website page you're checking the backlink for.
Define your data range explicitly (e.g., D1:E) to accurately fetch these columns. The columns must be named exactly as specified to ensure the workflow functions correctly."
},
"typeVersion": 1
},
{
"id": "42390706-6877-4f67-92d5-fcc13903bb6c",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-140,
-320
],
"parameters": {
"color": 4,
"width": 380,
"height": 480,
"content": "## Configure your DataForSEO TASK POST NODE
(Basic Authentication). Insert your API key and password into n8n's Credentials settings. This node sends each URL/domain pair to the DataForSEO On-Page API for analysis.
Settings:
Method:POST
URL:https://api.dataforseo.com/v3/on_page/task_post
JSON body:
[{
\"target\": \"{{ $json.domain }}\",
\"start_url\": \"{{ $json.url }}\",
\"max_crawl_pages\": 1
}]
"
},
"typeVersion": 1
},
{
"id": "60d54c3d-a2be-4961-9932-4075d769896e",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
300,
-320
],
"parameters": {
"color": 4,
"width": 400,
"height": 480,
"content": "## Configure your DataForSEO ON-PAGE LINKS NODE
Fetches the results from DataForSEO. Ensure your credentials are properly set (same as the previous DataForSEO node). This node retrieves link data, checking if the backlink exists and its status (dofollow/nofollow).
Settings:
Method: Post
URL:https://api.dataforseo.com/v3/on_page/links
JSON body example:
[
{
\"id\": \"{{ $json.tasks[0].id }}\"
}
]
"
},
"typeVersion": 1
},
{
"id": "1d800e2a-4385-4f98-b891-c40c7706bdee",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
760,
-260
],
"parameters": {
"color": 4,
"width": 440,
"height": 400,
"content": "## Send data to Google Sheets
This node updates your Google Sheet with backlink check results.
Map each column manually as follows:
Matching Column (used to find the correct row): Backlink URL
Backlink URL: {{ $('Loop Over Items').item.json.url }}
Status: {{ $json.status }}
Make sure these columns (Backlink URL and Status) already exist in your Google Sheet and have these exact names.
This will correctly update the backlink status (e.g., Live, Lost, or Lost (Nofollow)) based on each URL processed."
},
"typeVersion": 1
}
],
"active": false,
"pinData": {
"When clicking ‘Test workflow’": [
{
"json": {}
}
]
},
"settings": {
"executionOrder": "v1"
},
"versionId": "f74ca31f-8b7c-48d9-9b5f-d8295c642497",
"connections": {
"Loop Over Items": {
"main": [
[],
[
{
"node": "Sends HTTP POST Request to DataForSEO",
"type": "main",
"index": 0
}
]
]
},
"Waits 20 seconds": {
"main": [
[
{
"node": "Sends HTTP links request to DataforSeo",
"type": "main",
"index": 0
}
]
]
},
"Cleans backlink url": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Reads Google Sheets": {
"main": [
[
{
"node": "Cleans backlink url",
"type": "main",
"index": 0
}
]
]
},
"Sends data to Google sheets": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Reads Google Sheets",
"type": "main",
"index": 0
}
]
]
},
"Sends HTTP POST Request to DataForSEO": {
"main": [
[
{
"node": "Waits 20 seconds",
"type": "main",
"index": 0
}
]
]
},
"Sends HTTP links request to DataforSeo": {
"main": [
[
{
"node": "Checks which backlinks exists on the landing page",
"type": "main",
"index": 0
}
]
]
},
"Checks which backlinks exists on the landing page": {
"main": [
[
{
"node": "Sends data to Google sheets",
"type": "main",
"index": 0
}
]
]
}
}
}功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Splitinbatches
- Manualtrigger
- Googlesheets
- Code
- Httprequest
复杂度评估
配置难度：
维护难度：
扩展性：
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器（可选）
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置，适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围，重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制：
- 网络超时自动重试（最多3次）
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作