ylsseo monitor https://www.ylsseo.com/301-404-410/

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What changed

https://www.ylsseo.com/301-404-410/
Updated 2026-07-15 03:00 HKT, compared with the previous snapshot from 2026-07-14 03:00 HKT.

Summary

Title rewritten
301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 鸭老师SEO → 301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司
Meta description added
每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求"把这个 URL 的内容给我"。服务器…
Robots directive changed
max-image-preview:large → follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
Structured data added
{'@context': 'https://schema.org', '@graph': [{'@type': 'Organization', '@id': …
Social preview (og:description) added
每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求"把这个 URL 的内容给我"。服务器…
Social preview (og:image) added
https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png
Social preview (og:image:alt) added
301、404、410 的区别：信号传递、抓取与索引的处理逻辑
Social preview (og:image:height) added
512
Social preview (og:image:secure_url) added
https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png
Social preview (og:image:type) added
image/png
Social preview (og:image:width) added
512
Social preview (og:locale) added
zh_CN
Social preview (og:site_name) added
YLSSEO
Social preview (og:title) added
301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司
Social preview (og:type) added
article
Social preview (og:updated_time) added
2026-06-14T09:41:14+08:00
Social preview (og:url) added
https://www.ylsseo.com/301-404-410/
Twitter card (twitter:card) added
summary
Twitter card (twitter:creator) added
@https://x.com/seoyls
Twitter card (twitter:description) added
每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求"把这个 URL 的内容给我"。服务器…
Twitter card (twitter:image) added
https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png
Twitter card (twitter:site) added
@https://x.com/seoyls
Twitter card (twitter:title) added
301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司

Content edits

The main text is identical between the two runs — only metadata or structure changed (see Summary above).

Technical details — raw field changes
FieldKindBeforeAfter
title scalar 
"301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 鸭老师SEO"
 
"301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司"
meta_description scalar — 
"每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求\"把这个 URL 的内容给我\"。服务器用一个状态码回应，告诉对方这个 URL 现在是什么状态。状态码不是写给人看的，是服务器对爬虫和浏览器说的一句话。301、404、410"
meta_robots scalar 
"max-image-preview:large"
 
"follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large"
og.og:description scalar — 
"每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求\"把这个 URL 的内容给我\"。服务器用一个状态码回应，告诉对方这个 URL 现在是什么状态。状态码不是写给人看的，是服务器对爬虫和浏览器说的一句话。301、404、410"
og.og:image scalar — 
"https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png"
og.og:image:alt scalar — 
"301、404、410 的区别：信号传递、抓取与索引的处理逻辑"
og.og:image:height scalar — 
"512"
og.og:image:secure_url scalar — 
"https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png"
og.og:image:type scalar — 
"image/png"
og.og:image:width scalar — 
"512"
og.og:locale scalar — 
"zh_CN"
og.og:site_name scalar — 
"YLSSEO"
og.og:title scalar — 
"301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司"
og.og:type scalar — 
"article"
og.og:updated_time scalar — 
"2026-06-14T09:41:14+08:00"
og.og:url scalar — 
"https://www.ylsseo.com/301-404-410/"
twitter.twitter:card scalar — 
"summary"
twitter.twitter:creator scalar — 
"@https://x.com/seoyls"
twitter.twitter:description scalar — 
"每一次访问，本质上是客户端（浏览器、手机、桌面）向服务器发起一次 HTTP 请求——抓取一个页面通常是一次 GET，请求\"把这个 URL 的内容给我\"。服务器用一个状态码回应，告诉对方这个 URL 现在是什么状态。状态码不是写给人看的，是服务器对爬虫和浏览器说的一句话。301、404、410"
twitter.twitter:image scalar — 
"https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png"
twitter.twitter:site scalar — 
"@https://x.com/seoyls"
twitter.twitter:title scalar — 
"301、404、410 的区别：信号传递、抓取与索引的处理逻辑 – 谷歌SEO服务 | Google优化代运营公司"
jsonld scalar 
[]
 
[
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    "@context": "https://schema.org",
    "@graph": [
      {
        "@id": "https://www.ylsseo.com/#organization",
        "@type": "Organization",
        "logo": {
          "@id": "https://www.ylsseo.com/#logo",
          "@type": "ImageObject",
          "caption": "YLSSEO",
          "contentUrl": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png",
          "height": "512",
          "inLanguage": "zh-Hans",
          "url": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png",
          "width": "512"
        },
        "name": "YLSSEO",
        "sameAs": [
          "https://twitter.com/https://x.com/seoyls"
        ]
      },
      {
        "@id": "https://www.ylsseo.com/#website",
        "@type": "WebSite",
        "alternateName": "鸭老师SEO",
        "inLanguage": "zh-Hans",
        "name": "YLSSEO",
        "publisher": {
          "@id": "https://www.ylsseo.com/#organization"
        },
        "url": "https://www.ylsseo.com"
      },
      {
        "@id": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png",
        "@type": "ImageObject",
        "height": "512",
        "inLanguage": "zh-Hans",
        "url": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png",
        "width": "512"
      },
      {
        "@id": "https://www.ylsseo.com/301-404-410/#breadcrumb",
        "@type": "BreadcrumbList",
        "itemListElement": [
          {
            "@type": "ListItem",
            "item": {
              "@id": "https://www.ylsseo.com",
              "name": "首页"
            },
            "position": "1"
          },
          {
            "@type": "ListItem",
            "item": {
              "@id": "https://www.ylsseo.com/seo-tutorial/",
              "name": "谷歌SEO教程"
            },
            "position": "2"
          },
          {
            "@type": "ListItem",
            "item": {
              "@id": "https://www.ylsseo.com/301-404-410/",
              "name": "301、404、410 的区别：信号传递、抓取与索引的处理逻辑"
            },
            "position": "3"
          }
        ]
      },
      {
        "@id": "https://www.ylsseo.com/301-404-410/#webpage",
        "@type": "WebPage",
        "breadcrumb": {
          "@id": "https://www.ylsseo.com/301-404-410/#breadcrumb"
        },
        "dateModified": "2026-06-14T09:41:14+08:00",
        "datePublished": "2026-06-14T09:41:12+08:00",
        "inLanguage": "zh-Hans",
        "isPartOf": {
          "@id": "https://www.ylsseo.com/#website"
        },
        "name": "301、404、410 的区别：信号传递、抓取与索引的处理逻辑 \u0026ndash; 谷歌SEO服务 | Google优化代运营公司",
        "primaryImageOfPage": {
          "@id": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png"
        },
        "url": "https://www.ylsseo.com/301-404-410/"
      },
      {
        "@id": "https://www.ylsseo.com/301-404-410/#author",
        "@type": "Person",
        "image": {
          "@id": "https://secure.gravatar.com/avatar/aac399a511737325d8e5ee2505c471c7448f8bed5c760f77bc966e37a76223e3?s=96\u0026amp;d=blank\u0026amp;r=g",
          "@type": "ImageObject",
          "caption": "鸭老师SEO",
          "inLanguage": "zh-Hans",
          "url": "https://secure.gravatar.com/avatar/aac399a511737325d8e5ee2505c471c7448f8bed5c760f77bc966e37a76223e3?s=96\u0026amp;d=blank\u0026amp;r=g"
        },
        "name": "鸭老师SEO",
        "worksFor": {
          "@id": "https://www.ylsseo.com/#organization"
        }
      },
      {
        "@id": "https://www.ylsseo.com/301-404-410/#richSnippet",
        "@type": "BlogPosting",
        "articleSection": "谷歌SEO教程",
        "author": {
          "@id": "https://www.ylsseo.com/301-404-410/#author",
          "name": "鸭老师SEO"
        },
        "dateModified": "2026-06-14T09:41:14+08:00",
        "datePublished": "2026-06-14T09:41:12+08:00",
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        "headline": "301、404、410 的区别：信号传递、抓取与索引的处理逻辑 \u0026ndash; 谷歌SEO服务 | Google优化代运营公司",
        "image": {
          "@id": "https://www.ylsseo.com/wp-content/uploads/cropped-ylsseo-logo.png"
        },
        "inLanguage": "zh-Hans",
        "isPartOf": {
          "@id": "https://www.ylsseo.com/301-404-410/#webpage"
        },
        "mainEntityOfPage": {
          "@id": "https://www.ylsseo.com/301-404-410/#webpage"
        },
        "name": "301、404、410 的区别：信号传递、抓取与索引的处理逻辑 \u0026ndash; 谷歌SEO服务 | Google优化代运营公司",
        "publisher": {
          "@id": "https://www.ylsseo.com/#organization"
        }
      }
    ]
  }
]