[在Gatsby网站上,我具有使用React Helmet的SEO组件seo.js
,该组件在博客模板blog.js
内部被调用。但是,Facebook Share无法识别opengraph标签。该网站托管在Gatsby Cloud上,而不是Netlify上。
我已经在网上搜索了答案,但找不到任何东西。 This post没有出声。它似乎没有缓存,重新抓取却无济于事。
当然,直接查看页面源代码时会出现标记。在这里全亏。其他具有类似设置的站点也可以正常工作。 ¯\ _(ツ)_ /¯
[如果有人遇到过类似的问题,我很想听听他们如何解决此问题。有什么想法吗?谢谢。
以下代码和错误示例:
# seo.js
import React from 'react'
import PropTypes from 'prop-types'
import { Helmet } from 'react-helmet'
import { useStaticQuery, graphql } from 'gatsby'
function SEO({ description, lang, meta, title, pageUrl, image, post, children }) {
const { site } = useStaticQuery(
graphql`
query {
site {
siteMetadata {
title
description
siteUrl
author
}
}
}
`
)
const metaDescription = description || site.siteMetadata.description
const metaTitle = title || site.siteMetadata.title
const metaUrl = pageUrl || site.siteMetadata.siteUrl
return (
<Helmet
defer={false}
htmlAttributes={{
lang,
}}
defaultTitle={metaTitle}
titleTemplate={`%s`}
meta={meta}
>
{/* General tags */}
<title>{metaTitle}</title>
<meta name="image" content={image} />
<meta name="description" content={metaDescription} />
{/* OpenGraph tags */}
<meta property="og:title" content={metaTitle} />
<meta property="og:type" content={post ? `article` : `website`} />
<meta property="og:url" content={metaUrl} />
<meta property="og:image" content={image} />
<meta property="og:description" content={metaDescription} />
{/* Twitter Card tags */}
<meta name="twitter:card" content="summary" />
<meta name="twitter:creator" content="{site.siteMetadata.author}" />
<meta name="twitter:title" content={metaTitle} />
<meta name="twitter:image" content={image} />
<meta name="twitter:description" content={metaDescription} />
{children}
</Helmet>
)
}
SEO.defaultProps = {
lang: `en`,
meta: [],
description: ``,
}
SEO.propTypes = {
description: PropTypes.string,
lang: PropTypes.string,
title: PropTypes.string,
}
export default SEO
# blogs.js
import React from 'react'
import { graphql, Link } from 'gatsby'
import { Container, Row, Col, useScreenClass, Visible } from 'react-grid-system'
import SEO from '../components/seo'
import Layout from '../components/layout'
import Main from '../components/main'
import BlogList from '../components/insights/blogList'
import Pagination from '../components/pagination'
const Blog = (props) => {
const {
seoTitle,
seoDescription,
seoHelmet,
} = props.data.contentfulPage
const posts = props.data.allContentfulInsightsPage.edges
const { currentPage } = props.pageContext
const screenClass = useScreenClass()
return (
<Layout>
<SEO
title={`${seoTitle} ${currentPage > 1 ? `- Page ${currentPage}` : `` }`}
description={seoDescription?.seoDescription ? seoDescription.seoDescription : false}
>
{seoHelmet ? seoHelmet.seoHelmet : ''}
</SEO>
<Main>
<h1 className={`headline`}>Blog</h1>
<BlogList posts={posts} />
<Pagination context={props.pageContext} />
</Main>
</Layout>
)
}
export const query = graphql`
query($skip: Int!, $limit: Int!) {
contentfulPage(slug: {eq: "blog"}) {
id
slug
seoTitle
seoDescription {
seoDescription
}
seoHelmet {
seoHelmet
}
}
allContentfulBlogs(
sort: { fields: [date], order: DESC }
limit: $limit
skip: $skip
) {
edges {
node {
id
title
slug
date
preview
text {
json
}
image {
localFile {
...blogThumbnail
}
}
category {
name
slug
}
}
}
}
}
`
export default Blog
FB共享调试器上的错误:
⚠️应该修正的警告
推断属性
即使可以从其他标签推断出值,也应明确提供'og:image'属性。
缺少属性
缺少以下必需属性:og:url,og:type,og:title,og:image,og:description,fb:app_id
Facebook共享调试器抓取的URL结果:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<style data-href="/styles.13d4056a8a600210f038.css">a,abbr, ... </style>
<meta name="generator" content="Gatsby 2.19.49">
<title data-react-helmet="true"></title>
<link as="font" href=" ... " rel="preload" crossorigin="anonymous">
<style id="jss-server-side"></style>
<style data-styled="" data-styled-version="4.4.1"></style>
<script>window.dataLayer = window.dataLayer || []; ... </script>
<link rel="sitemap" type="application/xml" href="/sitemap.xml">
<link rel="canonical" href=" ... " data-baseprotocol="https:" data-basehost=" ... ">
<link rel="icon" href="/icons/icon-48x48.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="manifest" href="/manifest.webmanifest">
<meta name="theme-color" content="#3FB6E8">
<link rel="apple-touch-icon" sizes="48x48" href="/icons/icon-48x48.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="72x72" href="/icons/icon-72x72.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="96x96" href="/icons/icon-96x96.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="144x144" href="/icons/icon-144x144.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="192x192" href="/icons/icon-192x192.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="256x256" href="/icons/icon-256x256.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="384x384" href="/icons/icon-384x384.png?v=4b382095dbd38c63f79bce6052737f30">
<link rel="apple-touch-icon" sizes="512x512" href="/icons/icon-512x512.png?v=4b382095dbd38c63f79bce6052737f30">
<link as="script" rel="preload" href="/component---src-templates-insight-js-0b3261c291dd76b6e32d.js">
<link as="script" rel="preload" href="/commons-0606cae2f0bba83915df.js">
<link as="script" rel="preload" href="/app-595ec14f594e84b72fc9.js">
<link as="script" rel="preload" href="/styles-9336dff5557f552f77fc.js">
<link as="script" rel="preload" href="/webpack-runtime-5af2f2a5f9a736a820a9.js">
<link as="fetch" rel="preload" href="/page-data/insights/key-strategies-for-building-websites-that-capture-and-convert/page-data.json" crossorigin="anonymous">
<link as="fetch" rel="preload" href="/page-data/app-data.json" crossorigin="anonymous">
</head>
<body>
<noscript><iframe src="https://www.googletagmanager.com/ns.html? ... " height="0" width="0" style="display: none; visibility: hidden"></iframe></noscript>
<div id="___gatsby">
<div style="outline:none" tabindex="-1" id="gatsby-focus-wrapper"></div>
<div id="gatsby-announcer" style="position:absolute;top:0;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0" aria-live="assertive" aria-atomic="true"></div>
</div>
<script id="gatsby-script-loader">/*<![CDATA[*/ ... /*]]>*/</script>
<script id="gatsby-chunk-mapping">/*<![CDATA[*/ ... /*]]>*/</script>
<script src="/webpack-runtime-5af2f2a5f9a736a820a9.js" async=""></script>
<script src="/styles-9336dff5557f552f77fc.js" async=""></script>
<script src="/app-595ec14f594e84b72fc9.js" async=""></script>
<script src="/commons-0606cae2f0bba83915df.js" async=""></script>
<script src="/component---src-templates-insight-js-0b3261c291dd76b6e32d.js" async=""></script>
</body>
</html>
编辑这是我尝试过的其他修复方法...
gatsby-plugin-react-helmet
by defaultgatsby-plugin-react-helmet
您是否尝试过类似的方法?在设置元数据之前,似乎tried disabling other plugins such as material-ui
组件已关闭。
material-ui
我们最近偶然发现了这个问题。我们已经解决了这个问题,请检查: