🧑‍🦯 mejorar la accesibilidad del sitio web utilizando GPT-4o y Google Sheets

Intermedio

Este es unProduct, AI, Marketingflujo de automatización del dominio deautomatización que contiene 14 nodos.Utiliza principalmente nodos como If, Set, Code, Limit, HttpRequest, combinando tecnología de inteligencia artificial para lograr automatización inteligente. 🧑‍🦯 mejorar la accesibilidad del sitio web utilizando GPT-4o y Google Sheets

Requisitos previos
  • Pueden requerirse credenciales de autenticación para la API de destino
  • Credenciales de API de Google Sheets
  • Clave de API de OpenAI
Vista previa del flujo de trabajo
Visualización de las conexiones entre nodos, con soporte para zoom y panorámica
Exportar flujo de trabajo
Copie la siguiente configuración JSON en n8n para importar y usar este flujo de trabajo
{
  "meta": {
    "instanceId": "=",
    "templateCredsSetupCompleted": true
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  "nodes": [
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      "name": "Nota adhesiva4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "width": 460,
        "height": 340,
        "content": "![Tutorial](https://www.samirsaci.com/content/images/2025/04/temp-8.png)\n[🎥 Check My Tutorial](https://www.youtube.com/watch?v=LwTIro6Rapk)"
      },
      "typeVersion": 1
    },
    {
      "id": "d132a584-770e-438c-bd98-28a9c1afa780",
      "name": "Al hacer clic en 'Test workflow'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        1000,
        120
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "d51eec9d-a177-4f5e-89e5-c73b6109f5ce",
      "name": "Recorrer elementos",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        2100,
        640
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 3
    },
    {
      "id": "41da741b-1c1d-4d41-9a96-85cadacd1c8e",
      "name": "Nota adhesiva1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1000,
        -200
      ],
      "parameters": {
        "color": 7,
        "width": 1040,
        "height": 460,
        "content": "### 1. First Block: audit the page to extract all the images with their respective alternative text\nThis workflow sends an HTTP request to collect the HTML processed by the Javascript node to list all the images in the page with their alternative texts. The results are saved in a Google Sheet.\n\n#### How to setup?\n- **Set your page link** in the first node\n- **Record the results in a Google Sheet Node**:\n   1. Add your Google Sheet API credentials to access the Google Sheet file\n   2. Select the file using the list, an URL or an ID\n   3. Select the sheet in which you want to record your working sessions\n   4. Map the fields\n  [Learn more about the Google Sheet Node](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets)\n"
      },
      "typeVersion": 1
    },
    {
      "id": "e7a269cd-a2da-4ea9-9ec8-c023c45b9e96",
      "name": "Page Link",
      "type": "n8n-nodes-base.set",
      "position": [
        1200,
        120
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "e69e5e68-5cd1-4f81-a940-2e5202d5589b",
              "name": "url",
              "type": "string",
              "value": "https://www.samirsaci.com/sustainable-business-strategy-with-data-analytics/"
            },
            {
              "id": "8839ac43-5d6a-4656-b555-714f836fc687",
              "name": "baseUrl",
              "type": "string",
              "value": "https://www.samirsaci.com"
            }
          ]
        }
      },
      "notesInFlow": true,
      "typeVersion": 3.4
    },
    {
      "id": "6e6b7801-1f4c-4d00-826d-184dff58cee1",
      "name": "Download Results",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1440,
        640
      ],
      "parameters": {
        "options": {},
        "sheetName": {
          "__rl": true,
          "mode": "=",
          "value": "gid=0",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "=",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "1a137755-3f14-4881-93a5-db7f8678fa0d",
      "name": "altLength < 50",
      "type": "n8n-nodes-base.if",
      "position": [
        1660,
        640
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "a3b0ca70-0496-4966-94fd-f2927ce02ba9",
              "operator": {
                "type": "number",
                "operation": "lt"
              },
              "leftValue": "={{ $json.altLength }}",
              "rightValue": 100
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "60ea3935-313e-4d16-a8b8-a2fe7da8df82",
      "name": "Limitar records",
      "type": "n8n-nodes-base.limit",
      "position": [
        1880,
        560
      ],
      "parameters": {
        "maxItems": 5
      },
      "typeVersion": 1
    },
    {
      "id": "5785deb6-1bf4-40a6-b556-42aad4c01c83",
      "name": "Generate altText",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        2320,
        560
      ],
      "parameters": {
        "text": "Please generate the alternative text (alt text) for this image under 150 characters.\t",
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-2024-05-13",
          "cachedResultName": "GPT-4O-2024-05-13"
        },
        "options": {
          "maxTokens": 150
        },
        "resource": "image",
        "imageUrls": "={{ $('altLength < 50').item.json.src }}",
        "operation": "analyze"
      },
      "notesInFlow": true,
      "typeVersion": 1.8
    },
    {
      "id": "86051a7f-e91a-4913-9c19-772673ff6306",
      "name": "Update Results",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        2540,
        640
      ],
      "parameters": {
        "columns": {
          "value": {
            "page": "=",
            "index": "={{ $('Loop Over Items').item.json.index }}",
            "newAlt": "={{ $json.content }}"
          },
          "schema": [
            {
              "id": "index",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "index",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "page",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "page",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "src",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "src",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "alt",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "alt",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "altLength",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "altLength",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "newAlt",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "newAlt",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "row_number",
              "type": "string",
              "display": true,
              "removed": true,
              "readOnly": true,
              "required": false,
              "displayName": "row_number",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [
            "index"
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "update",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "=",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "b1ab97f7-a89e-40c8-ada3-22fcc6da2dcd",
      "name": "Nota adhesiva",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1000,
        320
      ],
      "parameters": {
        "color": 7,
        "width": 1920,
        "height": 520,
        "content": "### 2. SecondBlock: generate alternative text for the image with altLength < 50\nThis workflow sends an HTTP request to collect the HTML processed by the Javascript node to list all the images in the page with their alternative texts. The results are saved in a Google Sheet.\n\n#### How to setup?\n- **Set your page link** in the first node\n- **Record the results in a Google Sheet Node**:\n   1. Add your Google Sheet API credentials to access the Google Sheet file\n   2. Select the file using the list, an URL or an ID\n   3. Select the sheet in which you want to record your working sessions\n   4. Map the fields\n  [Learn more about the Google Sheet Node](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets)\n"
      },
      "typeVersion": 1
    },
    {
      "id": "c1bf1dcf-6789-43dd-9f15-29895c30fd23",
      "name": "Store Results",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1860,
        120
      ],
      "parameters": {
        "columns": {
          "value": {
            "alt": "={{ $json.alt }}",
            "src": "={{ $json.src }}",
            "page": "={{ $('Page Link').item.json.url }}",
            "index": "={{ $json.index }}",
            "altLength": "={{ $json.altLength }}"
          },
          "schema": [
            {
              "id": "index",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "index",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "page",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "page",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "src",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "src",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "alt",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "alt",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "altLength",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "altLength",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "newAlt",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "newAlt",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "=",
          "cachedResultUrl": "=",
          "cachedResultName": "="
        }
      },
      "notesInFlow": true,
      "typeVersion": 4.5
    },
    {
      "id": "fe71094e-3a22-4cda-90ad-4174258a9086",
      "name": "Download HTML",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1420,
        120
      ],
      "parameters": {
        "url": "={{ $json.url }}",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "405fe4cf-5271-465c-8e2a-1f5d024228b6",
      "name": "Get Images urls with altText",
      "type": "n8n-nodes-base.code",
      "position": [
        1640,
        120
      ],
      "parameters": {
        "jsCode": "const html = $input.first().json.data;\nconst baseUrl = $('Page Link').first().json.baseUrl;\n\nconst imgTagRegex = /<img\\b[^>]*>/gi;\nconst altAttrRegex = /alt\\s*=\\s*[\"']([^\"']*)[\"']/i;\nconst srcAttrRegex = /src\\s*=\\s*[\"']([^\"']*)[\"']/i;\n\nconst imageTags = html.match(imgTagRegex) || [];\n\nconst results = imageTags.map((tag, index) => {\n  const altMatch = tag.match(altAttrRegex);\n  const srcMatch = tag.match(srcAttrRegex);\n\n  let alt = altMatch ? altMatch[1] : '[No alt text]';\n  let src = srcMatch ? srcMatch[1] : '[No src]';\n\n  // If src is relative, manually join with baseUrl\n  if (src !== '[No src]' && !src.startsWith('http')) {\n    if (baseUrl.endsWith('/') && src.startsWith('/')) {\n      src = baseUrl + src.slice(1);\n    } else if (!baseUrl.endsWith('/') && !src.startsWith('/')) {\n      src = baseUrl + '/' + src;\n    } else {\n      src = baseUrl + src;\n    }\n  }\n\n  return {\n    index: index + 1,\n    src,\n    alt,\n    altLength: alt.length,\n  };\n});\n\nreturn results.map(item => ({ json: item }));"
      },
      "typeVersion": 2
    }
  ],
  "pinData": {},
  "connections": {
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      "main": [
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            "type": "main",
            "index": 0
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        ]
      ]
    },
    "Limit records": {
      "main": [
        [
          {
            "node": "Loop Over Items",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "86051a7f-e91a-4913-9c19-772673ff6306": {
      "main": [
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            "node": "Loop Over Items",
            "type": "main",
            "index": 0
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        ]
      ]
    },
    "1a137755-3f14-4881-93a5-db7f8678fa0d": {
      "main": [
        [
          {
            "node": "Limit records",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Loop Over Items": {
      "main": [
        [],
        [
          {
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            "type": "main",
            "index": 0
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    "405fe4cf-5271-465c-8e2a-1f5d024228b6": {
      "main": [
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            "node": "c1bf1dcf-6789-43dd-9f15-29895c30fd23",
            "type": "main",
            "index": 0
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    "d132a584-770e-438c-bd98-28a9c1afa780": {
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    }
  }
}
Preguntas frecuentes

¿Cómo usar este flujo de trabajo?

Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.

¿En qué escenarios es adecuado este flujo de trabajo?

Intermedio - Producto, Inteligencia Artificial, Marketing

¿Es de pago?

Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.

Información del flujo de trabajo
Nivel de dificultad
Intermedio
Número de nodos14
Categoría3
Tipos de nodos10
Descripción de la dificultad

Adecuado para usuarios con experiencia intermedia, flujos de trabajo de complejidad media con 6-15 nodos

Autor
Samir Saci

Samir Saci

@samirsaci

Automation, AI and Analytics for Supply Chain & Business Optimization Helping businesses streamline operations using n8n, AI agents, and data science to enhance efficiency and sustainability. Linkedin: www.linkedin.com/in/samir-saci

Enlaces externos
Ver en n8n.io

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Categorías

Categorías: 34