mathcracker.com
挂号的
页面分析更新日期:
2026/03/30 22:29:28
上次 Whois 更新日期:
2026/02/26 12:57:06
域名状态
挂号的
付款至
25.02.2027
可从
27.03.2027
×
![全屏网站截图]()
mathcracker.com 网站截图
搜索引擎优化得分
63.01%
92
取得的分数
146
最高分
主要信息
标题: Free Math Help - Math Lessons, Tutorials, Solvers and Stats Calculators Online
描述: Free Math Help Resources, Step-by-Step Statistics Calculators, Lessons, Tutorials, and Sample Solved Problems. Homework Tools for High School and College.
关键词: empty
页面编码:
utf-8
页面文件大小: 359 KB
服务器信息
IP: 72.60.226.205
地点: United States,US,Phoenix,85036,33.4532,-112.0748,America/Phoenix
HTTP服务器: nginx
编码: utf-8
元标签列表
- charset: utf-8
- content: width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no name: viewport
- content: Free Math Help Resources, Step-by-Step Statistics Calculators, Lessons, Tutorials, and Sample Solved Problems. Homework Tools for High School and College. name: description
- content: en_US property: og:locale
- content: website property: og:type
- content: Free Math Help - Math Lessons, Tutorials, Solvers and Stats Calculators Online property: og:title
- content: Provides step-by-step Math calculators, lessons, tutorials, sample solved problems and much more. We have many great Math help resources for the High School and college level. property: og:description
- content: https://mathcracker.com property: og:url
- content: MathCracker.com property: og:site_name
- content: summary name: twitter:card
- content: Free Math Help Resources, Step-by-Step Statistics Calculators, Lessons, Tutorials, and Sample Solved Problems. Homework Tools for High School and College. name: twitter:description
- content: Free Math Help - Math Lessons, Tutorials, Solvers and Stats Calculators Online name: twitter:title
- content: @MathCrackercom name: twitter:site
- content: https://mathcracker.com/images/legacy/algebra.jpg name: twitter:image
- content: @MathCrackercom name: twitter:creator
- name: msapplication-TileImage content: assets/icons/cropped-favicon-270x270.png
- equiv: origin-trial content: AlK2UR5SkAlj8jjdEc9p3F3xuFYlF6LYjAML3EOqw1g26eCwWPjdmecULvBH5MVPoqKYrOfPhYVL71xAXI1IBQoAAAB8eyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
- equiv: origin-trial content: Amm8/NmvvQfhwCib6I7ZsmUxiSCfOxWxHayJwyU1r3gRIItzr7bNQid6O8ZYaE1GSQTa69WwhPC9flq/oYkRBwsAAACCeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
- equiv: origin-trial content: A9nrunKdU5m96PSN1XsSGr3qOP0lvPFUB2AiAylCDlN5DTl17uDFkpQuHj1AFtgWLxpLaiBZuhrtb2WOu7ofHwEAAACKeyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
- equiv: origin-trial content: A93bovR+QVXNx2/38qDbmeYYf1wdte9EO37K9eMq3r+541qo0byhYU899BhPB7Cv9QqD7wIbR1B6OAc9kEfYCA4AAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
- equiv: origin-trial content: A1S5fojrAunSDrFbD8OfGmFHdRFZymSM/1ss3G+NEttCLfHkXvlcF6LGLH8Mo5PakLO1sCASXU1/gQf6XGuTBgwAAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXRhZ3NlcnZpY2VzLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
内部链接
外部链接
查询信息
domain_name: mathcracker.com
update_date: 2026-02-26T08:22:32Z
update_time: 1772094152
creation_date: 2006-02-25T12:53:41Z
creation_time: 1140872021
expiration_date: 2027-02-25T12:53:41Z
Whois 原始数据
Domain Name: MATHCRACKER.COM
Registrar: GoDaddy.com, LLC
Domain Status: client delete prohibited
Domain Status: client renew prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2006-02-25T12:53:41Z
Registry Expiry Date: 2027-02-25T12:53:41Z
Updated Date: 2026-02-26T08:22:32Z
Name Server: NS77.DOMAINCONTROL.COM
Name Server: NS78.DOMAINCONTROL.COM
REGISTRAR Contact: GoDaddy.com, LLC
>>> Last update of RDAP database: 2026-02-26T12:57:06Z
Robots.txt
# vestacp autogenerated robots.txt
User-agent: *
Crawl-delay: 10
搜索引擎优化审核
技术搜索引擎优化
✓
响应码
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
368010 bytes
页面大小可以接受快速加载。
!
资源
110 total
资源太多了。优化和组合文件以获得更好的性能。
✓
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
Not found
添加 sitemap.xml 并在 robots.txt 中引用它。
✓
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
Not set
添加缓存控制标头以提高回访者的加载速度。
✓
页面速度
2.71 ms
出色的加载速度。
页面搜索引擎优化
!
标题
Free Math Help - Math Lessons, Tutorials, Solvers and Stats Calculators Online
标题太长。减少到 30-60 个字符以避免截断。
✓
元描述
Free Math Help Resources, Step-by-Step Statistics Calculators, Lessons, Tutorials, and Sample Solved Problems. Homework Tools for High School and College. Lenght:154
良好的元描述长度（100-160 个字符）。
!
H1 标题
4 found - ""
每页仅使用一个 H1 标题。删除多余的 H1 标签。
✓
字数统计
3644
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
[]
未找到重复的元标记。
✓
关键词
empty
元关键字集（注：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
44 total, 3 missing ALT
将 ALT 文本添加到图像中以实现可访问性和 SEO。
✓
视口
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
为移动设备正确设置视口元标记。
!
打开图
Missing: og:image
添加缺少的 OpenGraph 标签以进行社交媒体共享：og:image
✓
结构化数据
1 JSON-LD scripts
找到结构化数据 (JSON-LD)。
职位于 Google
搜索短语 - Google
| 位置 | 短语 | 页 | 片段 |
|---|---|---|---|
| 4 | /ru/%D1%87%D0%B8%D1%81%D0%BB%D0%BE-%D0%B1%D1%83%D0%BA%D0%B2%D0%B0 | ||
| 5 | /ru/%D1%87%D0%B8%D1%81%D0%BB%D0%BE-%D0%B1%D1%83%D0%BA%D0%B2%D0%B0 | ||
| 9 | /ru/%D0%BA%D0%B0%D0%BB%D1%8C%D0%BA%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80-%D1%82%D1%80%D0%B5%D1%83%D0%B3%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%B0 | ||
| 15 | /ru/differential-calculator | ||
| 33 | /ru/differential-calculator |
职位于 Yandex
搜索短语 - Yandex
| 位置 | 短语 | 页 | 片段 |
|---|---|---|---|
| 2 | /ru/differential-calculator | ||
| 2 | /ru/differential-calculator | ||
| 2 | /ru/differential-calculator | ||
| 3 | /ru/differential-calculator | ||
| 3 | /fraction-calculator | ||
| 4 | /ru/differential-calculator | ||
| 4 | /ru/differential-calculator | ||
| 5 | /ru/differential-calculator | ||
| 5 | /ru/differential-calculator | ||
| 6 | /pareto-chart-maker |