KLUWER.NL 网站分析

访问网站 kluwer.nl 时发生错误

我们在尝试访问网站 kluwer.nl 的以下 URL 地址时遇到错误:

当遇到 HTTP 状态代码 0 时,表示无法通过 HTTP(s) 与服务器建立通信。如果这涉及您的网站,请检查网站是否在线以及 DNS 解析是否配置正确。此外,如果配置了 SSL 证书,请验证 HTTPS 证书是否有效。

以下内容展示了我们服务器在 2024-11-21 缓存的部分历史分析数据。由于我们的机器人无法访问此网站,数据可能不完整或已过时,仅供您参考。

搜索引擎收录信息

必应:
谷歌:

页面信息

标题:
Wolters Kluwer Nederland - Home | Wolters Kluwer
长度: 48 字符; 最佳长度: 10 ~ 60 字符
Meta 描述信息:
Wolters Kluwer is een wereldwijd leverancier van professionele informatie, software-oplossingen en diensten
长度: 107 字符; 最佳长度: 50 ~ 160 字符
Meta 关键词:
长度: 0 字符; 最佳长度: 10 ~ 255 字符

The length of your meta keywords seems to be outside the recommended range. Ideally, a meta keywords should be between 10 and 255 characters, including spaces.

Meta keywords are a specific type of meta tag that appear in the HTML code of a web page. They provide information to search engines about the topic of the page. Meta keywords were once used to help rank web pages in search engine results. However, due to the abuse by webmasters and marketers, Google claims to have stopped using them more than a decade ago. Despite this, there are still reasons to consider using meta keywords:

  • Uncertain Impact on Google's Algorithm: While Google devalued meta keywords, it is uncertain if they were entirely removed from its ranking algorithm. Google keeps its ranking algorithms top secret to deter people from gaming the system.
  • Other Search Engines and CMS: Other search engines like Yandex, Baidu, and Naver may still use meta keywords. Additionally, some internal CMS search systems, such as SOLR and Algolia, also utilize the meta keywords tag.

Best practices for Meta Keywords

  • Relevance is Key: It is crucial to choose keywords that accurately reflect the content of your page.
  • Keep it Limited: It is generally recommended not to exceed more than 10 meta keywords for a single page. Also, the content length should not exceed 255 characters (including spaces).
  • Consider Long-Tail Keywords: Long-tail keywords are more specific and longer phrases that target a niche audience. These keywords can be highly effective in driving targeted traffic to your website.

Remember, meta keywords are just one aspect of search engine optimization (SEO), and search engines now place less emphasis on them compared to other factors. However, by following these best practices, you can still optimize your meta keywords effectively and improve the visibility of your web pages.

H1标签:
Wolters Kluwer
长度: 14 字符; 最佳长度: 10 ~ 255 字符

建站技术

服务器:
cloudflare
SSL 安全:
有效
robots.txt:
不可用
XML 站点地图:
不可用
Gzip 压缩:
有效
favicon.ico:
不可用

HTTP Head 分析

HTTP 协议采用了请求与响应模型,通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器(例如 Internet Explorer, Google Chrome, Firefox 等)并不会显示 HTTP header 字段的内容,下面是网站 kluwer.nl 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Fri, 22 Nov 2024 05:47:00 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
CF-Ray: 8e669f4afbe3728d-EWR
CF-Cache-Status: DYNAMIC
Cache-Control: no-cache, no-store
Expires: -1
Set-Cookie: www#lang=nl-NL; path=/; secure; SameSite=None; SameSite=Lax; Secure
Strict-Transport-Security: max-age=31536000
Vary: Accept-Encoding
Pragma: no-cache
accept-ch: Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform-Version,Sec-CH-UA-Arch,Sec-CH-UA-Model,Sec-CH-UA-Bitness
content-security-policy: frame-ancestors 'self' ;
environment: PRD-USE-CD01
Set-Cookie: shell#lang=en; path=/; secure; SameSite=None; SameSite=Lax; Secure
Set-Cookie: sxa_site=www; path=/; secure; HttpOnly; SameSite=None; SameSite=Lax; Secure
Set-Cookie: __cf_bm=SdTt3W_mQkKjBCqu2ysM62GDehcHusralI_T5itiPd8-1732254420-1.0.1.1-tdWtIzM_DoB1j3N.9WE_Y1w6gojTPmEceqxy191b6MGHIsRB318AUzCrGIbsU6dbhkXl2qmamfF.Bbe8fIxHEA; path=/; expires=Fri, 22-Nov-24 06:17:00 GMT; domain=.www.wolterskluwer.com; HttpOnly; Secure; SameSite=None
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
Server: cloudflare
Content-Encoding: gzip

DNS 记录分析

DNS 域名系统(Domain Name System,缩写)是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库,能够使人更方便地访问互联网。kluwer.nl 当前共有 19 项 DNS 记录。
主机 类型 IP/目标 生存时间 扩充信息
kluwer.nlA600
kluwer.nlNS21600
kluwer.nlNS21600
kluwer.nlNS21600
kluwer.nlSOA21600expire: 604800
serial: 2024091201
kluwer.nlMX600pri: 0
kluwer.nlTXT
tt056439e9oc58qkfajakj91kp
600
kluwer.nlTXT
ohp90mahs2s5cbtr7rk4il3257
600
kluwer.nlTXT
amazonses:PayAeFhqlBTs2T5yhmUtFOEDQgtSLyc0VlO++81ACoc=
600
kluwer.nlTXT
i7qmihmeemb9q7hpak6s13po5e
600
kluwer.nlTXT
vflq5a5o8el7hjeccs80jma4f7
600
kluwer.nlTXT
MS=ms32895639
600
kluwer.nlTXT
amazonses:cfv2v8mTbCZDWw4/TH/vK4D+YQjV5vV60I4yIy1lnB8=
600
kluwer.nlTXT
h3h5p5277bgn0vlcjtssk37cil
600
kluwer.nlTXT
q06d61hgpt2br6k8iaqh2kloac
600
kluwer.nlTXT
google-site-verification=NgawBVC-7Sa8G21dRrrZssBSmonlFRnHWLmUHCbUpTI
600
kluwer.nlTXT
9jgp2msvqeh4up63747o320kp4
600
kluwer.nlTXT
v=spf1 include:spf.wolterskluwer.com ~all
600
kluwer.nlTXT
f9p0hotvvcs1oeec43c6kj70i1
600