www.a4-size.com
挂号的
页面分析更新日期:
2026/03/14 08:27:13
上次 Whois 更新日期:
2026/07/08 23:30:29
域名状态
挂号的
付款至
07.07.2027
可从
06.08.2027
×
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www.a4-size.com 网站截图
搜索引擎优化得分
84.93%
124
取得的分数
146
最高分
主要信息
标题: A4 size - a4 paper size in cm, inches, pixels and mm
描述: A4 size in all values. A4 paper size in cm, inches, pixels and mm. Detailed dimensions for the international a4 paper size.
关键词: 未知
页面编码:
utf-8
页面文件大小: 550 KB
服务器信息
IP: 46.249.36.217
地点: The Netherlands,NL,Hengelo,7552,52.2626,6.8169,Europe/Amsterdam
HTTP服务器: apache/2
编码: utf-8
供电: php/7.4.33
元标签列表
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- name: dlm-version content: 4.7.78
- name: description content: A4 size in all values. A4 paper size in cm, inches, pixels and mm. Detailed dimensions for the international a4 paper size.
- property: og:locale content: en_US
- property: og:type content: website
- property: og:title content: A4 size - a4 paper size in cm, inches, pixels and mm
- property: og:description content: A4 size in all values. A4 paper size in cm, inches, pixels and mm. Detailed dimensions for the international a4 paper size.
- property: og:url content: https://www.a4-size.com/
- property: og:site_name content: A4-size
- property: article:modified_time content: 2025-06-20T09:43:24+00:00
- property: og:image content: https://www.a4-size.com/wp-content/uploads/2020/09/a4-size-vs-letter-1.png
- name: twitter:card content: summary_large_image
- name: twitter:label1 content: Est. reading time
- name: twitter:data1 content: 3 minutes
- name: generator content: WordPress 6.2.9
- name: generator content: Site Kit by Google 1.174.0
- name: google-adsense-platform-account content: ca-host-pub-2644536267352236
- name: google-adsense-platform-domain content: sitekit.withgoogle.com
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内部链接
外部链接
查询信息
domain_name: a4-size.com
update_date: 2026-07-08T08:47:02Z
update_time: 1783500422
creation_date: 2020-07-07T21:08:16Z
creation_time: 1594156096
expiration_date: 2027-07-07T21:08:16Z
Whois 原始数据
Domain Name: A4-SIZE.COM
Registrar: Key-Systems GmbH
Domain Status: client transfer prohibited
Creation Date: 2020-07-07T21:08:16Z
Registry Expiry Date: 2027-07-07T21:08:16Z
Updated Date: 2026-07-08T08:47:02Z
Name Server: NS0.TRANSIP.NET
Name Server: NS1.TRANSIP.NL
Name Server: NS2.TRANSIP.EU
REGISTRAR Contact: Key-Systems GmbH
>>> Last update of RDAP database: 2026-07-08T23:30:29Z
Robots.txt
# START YOAST BLOCK # --------------------------- User-agent: * Disallow: Sitemap: https://www.a4-size.com/sitemap_index.xml Sitemap: https://www.a3-size.com/sitemap_index.xml Sitemap: https://www.a4-formaat.com/sitemap_index.xml Sitemap: https://www.a3-formaat.com/sitemap_index.xml Sitemap: https://www.a0-dimensions.com/sitemap_index.xml Sitemap: https://www.a0-paper-size.com/sitemap_index.xml Sitemap: https://www.a0-size.com/sitemap_index.xml Sitemap: https://www.format-a0.com/sitemap_index.xml Sitemap: https://www.a1-formaat.com/sitemap_index.xml Sitemap: https://www.a1-format.com/sitemap_index.xml Sitemap: https://www.a1-paper-size.com/sitemap_index.xml Sitemap: https://www.a1-size.com/sitemap_index.xml Sitemap: https://www.format-a1.com/sitemap_index.xml Sitemap: https://www.a2-dimensions.com/sitemap_index.xml Sitemap: https://www.a2-formaat.com/sitemap_index.xml Sitemap: https://www.a2-format.com/sitemap_index.xml Sitemap: https://www.a2-paper-size.com/sitemap_index.xml Sitemap: https://www.a2-size.com/sitemap_index.xml Sitemap: https://www.format-a2.com/sitemap_index.xml Sitemap: https://www.a3-dimensions.com/sitemap_index.xml Sitemap: https://www.a3-format.com/sitemap_index.xml Sitemap: https://www.a3-paper-size.com/sitemap_index.xml Sitemap: https://www.format-a3.com/sitemap_index.xml Sitemap: https://www.a4-dimensions.com/sitemap_index.xml Sitemap: https://www.a4-format.com/sitemap_index.xml Sitemap: https://www.a4-paper-size.com/sitemap_index.xml Sitemap: https://www.format-a4.com/sitemap_index.xml Sitemap: https://www.a5-dimensions.com/sitemap_index.xml Sitemap: https://www.a5-formaat.com/sitemap_index.xml Sitemap: https://www.a5-format.com/sitemap_index.xml Sitemap: https://www.a5-paper-size.com/sitemap_index.xml Sitemap: https://www.a5-size.com/sitemap_index.xml Sitemap: https://www.formata5.com/sitemap_index.xml Sitemap: https://www.a6-dimensions.com/sitemap_index.xml Sitemap: https://www.a6-formaat.com/sitemap_index.xml Sitemap: https://www.a6-format.com/sitemap_index.xml Sitemap: https://www.a6-paper-size.com/sitemap_index.xml Sitemap: https://www.a6-size.com/sitemap_index.xml Sitemap: https://www.format-a6.com/sitemap_index.xml Sitemap: https://www.a7-dimensions.com/sitemap_index.xml Sitemap: https://www.a7-formaat.com/sitemap_index.xml Sitemap: https://www.a7-format.com/sitemap_index.xml Sitemap: https://www.a7-paper-size.com/sitemap_index.xml Sitemap: https://www.a7-size.com/sitemap_index.xml Sitemap: https://www.format-a7.com/sitemap_index.xml Sitemap: https://www.a1-dimensions.com/sitemap_index.xml Sitemap: https://www.a0-formaat.com/sitemap_index.xml # --------------------------- # END YOAST BLOCK
搜索引擎优化审核
技术搜索引擎优化
✓
响应代码
200
状态 200 正常 - 页面加载正确。
✓
字符编码
Page: utf-8, Header: utf-8
HTML 和标头之间的字符编码一致。
✓
页面尺寸
563901 bytes
页面大小可以接受快速加载。
✓
资源
48 total
资源数量适中。考虑合并文件。
✓
赫尔夫朗标签
0 hreflang tags
如果您有多语言内容，请添加 hreflang 标签。
✓
Robots.txt
Exists
找到 Robots.txt 文件。
✓
Sitemap
Declared in robots.txt
在 robots.txt 中声明的站点地图。
✓
HTTPS
Yes
已启用安全 HTTPS 连接。
✓
压缩
gzip
启用 Gzip 或 Zstd 压缩以加快加载速度。
✓
缓存
max-age=3, must-revalidate
正确设置缓存控制标头。
✓
页面速度
1.08 ms
出色的加载速度。
页面搜索引擎优化
✓
标题
A4 size - a4 paper size in cm, inches, pixels and mm
良好的标题长度（30-60 个字符）。
✓
元描述
A4 size in all values. A4 paper size in cm, inches, pixels and mm. Detailed dimensions for the international a4 paper size. Lenght:123
良好的元描述长度（100-160 个字符）。
!
H1 标题
4 found - "A4-size.com asks for your consent to use your personal data to:"
每页仅使用一个 H1 标题。删除多余的 H1 标签。
✓
字数统计
6494
内容非常全面。如果太长，请考虑分成多个页面。
!
规范标签
添加规范标签以防止重复内容问题。
!
重复元
{"generator":2}
删除重复的元标记以避免冲突。
✓
关键词
元关键字是可选的（主要搜索引擎不使用）。
内容和用户体验
✓
语言
en-us
语言属性设置正确。
✓
图片
5 total, 0 missing ALT
所有图像都有正确的 ALT 文本。
✓
视口
width=device-width, initial-scale=1
为移动设备正确设置视口元标记。
✓
打开图
All OG tags present.
存在所有必要的 OpenGraph 标签。
✓
结构化数据
1 JSON-LD scripts
找到结构化数据 (JSON-LD)。