Domain Summary
oi wiki 是一个编程竞赛知识整合站点，提供有趣又实用的编程竞赛知识以及其他有帮助的内容，帮助广大编程竞赛爱好者更快更深入地学习编程竞赛
| Global rank: | #149972 |
|---|---|
| Daily visitors: | 9.29K |
| Monthly Visits: | 278,710 |
| Pageviews per user: | 5.3 |
| Registrar Abuse Contact Email: | [email protected] |
| Registrant Phone: |
| Rating | |
|---|---|
| TLD: | org |
| IP Address: | 154.17.2.113 |
| Organization: | Private Customer |
| Category: | Computers Electronics and Technology > Programming and Developer Software |
Click here to check amazing oi wot wiki content for China. Otherwise, check out these important facts you probably never knew about oi-wiki.org
oi wiki 是一个编程竞赛知识整合站点，提供有趣又实用的编程竞赛知识以及其他有帮助的内容，帮助广大编程竞赛爱好者更快更深入地学习编程竞赛
oi-wiki.org is probably legit as the trust score is reasonable. Our algorithm rated oi-wiki.org a 87. Although our rating of oi-wiki.org is medium to low risk, we encourage you to always vote as the evaluation of the site is done automatically.
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1Explore the top alternatives and rivals of oi-wiki.org in April 2025, and assess their data relating to website traffic, SEO, Web Server Information, and Whois. Refer to the list below for the best competitors of oi-wiki.org, and simply click on each one to delve into their specific details.
Язык программирования Python3. Справочник на русском языке с примерами использования наиболее популярныж библиотек и модулей.
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Monthly visits: 515128remontcompa.ru - подробные инструкции по устранению неисправностей компьютера (ноутбука) и установленной на нём Windows 10, 11. Как установить Windows 10, 11.
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Monthly visits: 211075https://oi-wiki.org/math/binary-exponentiation/
于是我们只需要知道一个快速的方法来计算上述 3 的 次幂的序列。. 这个问题很简单，因为序列中（除第一个）任意一个元素就是其前一个元素的平方。. 举一个例子：. 因此为了计算 ，我们只需要将对应二进制位为 1 的整系数幂乘起来就行了：. 将上述过程说得 ...
https://oi-wiki.org/misc/josephus/
问题描述. n 个人标号 。. 逆时针站一圈，从 号开始，每一次从当前的人逆时针数 个，然后让这个人出局。. 问最后剩下的人是谁。. 这个经典的问题由约瑟夫于公元 1 世纪提出，尽管他当时只考虑了 的情况。. 现在我们可以用许多高效的算法解决这个问题。.
https://oi-wiki.org/contest/icpc/
OI Wiki 是一个编程竞赛知识整合站点，提供有趣又实用的编程竞赛知识以及其他有帮助的内容，帮助广大编程竞赛爱好者更快更深入地学习编程竞赛 ICPC/CCPC 赛 …
https://oi-wiki.org/string/z-func/
Z 函数（扩展 KMP） 约定：字符串下标以 为起点。. 定义. 对于一个长度为 的字符串 ，定义函数 表示 和 （即以 开头的后缀）的最长公共前缀（LCP）的长度，则 被称为 的 Z 函数。 特别地， 。 国外一般将计算该数组的算法称为 Z Algorithm，而国内则称其为 扩展 KMP。. 这篇文章介绍在 时间复杂度内 ...
https://oi-wiki.org/math/number-theory/mobius/
莫比乌斯反演是数论中的重要内容。. 对于一些函数 ，如果很难直接求出它的值，而容易求出其倍数和或约数和 ，那么可以通过莫比乌斯反演简化运算，求得 的值。. 开始学习莫比乌斯反演前，需要先学习一些前置知识： 数论分块 、 狄利克雷卷积 。.
https://oi-wiki.org/graph/dsu-on-tree/
算法内容. 树上启发式合并（dsu on tree）对于某些树上离线问题可以速度大于等于大部分算法且更易于理解和实现的算法。. 考虑下面的问题： 树上数颜色. 给出一棵 个节点以 为根的树，节点 的颜色为 ，现在对于每个结点 询问 子树里一共出现了多少种不同的 ...
https://oi-wiki.org/ds/stack/
栈是 oi 中常用的一种线性数据结构。 请注意，本文主要讲的是栈这种数据结构，而非程序运行时的系统栈/栈空间。 栈的修改与访问是按照后进先出的原则进行的， …
DNS entries, such as A, NS, MX, and TXT records, are crucial for the functioning of the Internet. The A record maps a domain name to an IPv4 address, while the NS record specifies authoritative name servers for a domain. The MX record identifies the mail server responsible for receiving email messages for a domain. Additionally, the TXT record allows for the association of any text information with a domain name. These records play a vital role in ensuring proper communication and connectivity across the internet.
| Host | Class | TTL | Type | Data | |
| oi-wiki.org | IN | 10 | A | ip: 154.17.2.113 | |
| oi-wiki.org | IN | 3600 | NS | target: f1g1ns2.dnspod.net | |
| oi-wiki.org | IN | 3600 | NS | target: f1g1ns1.dnspod.net | |
| oi-wiki.org | IN | 180 | SOA | mname: f1g1ns1.dnspod.netrname: freednsadmin.dnspod.comserial: 1716740442refresh: 3600retry: 180expire: 1209600minimum-ttl: 180 | |
| oi-wiki.org | IN | 600 | MX | target: mxbiz1.qq.compri: 5 | |
| oi-wiki.org | IN | 600 | MX | target: mxbiz2.qq.compri: 10 | |
| oi-wiki.org | IN | 600 | TXT | txt: v=spf1 include:spf.mail.qq.com ~all | |
| oi-wiki.org | IN | 600 | TXT | txt: google-site-verification=gPixm_GVhUno_gP3mpCCjK0LMleO_K8GIDkTRVM0aQw |
According to global rankings, oi-wiki.org holds the position of #149972. It attracts an approximate daily audience of 9.29K visitors, leading to a total of 9403 pageviews. On a monthly basis, the website garners around 278.71K visitors.
Daily Visitors9.29K
Monthly Visits278.71K
Pages per Visit5.3
Visit Duration0:03:65
Bounce Rate53.54% Daily Unique Visitors: | 9290 |
 Monthly Visits: | 278710 |
 Pages per Visit: | 5.3 |
 Daily Pageviews: | 9403 |
 Avg. visit duration: | 0:03:65 |
 Bounce rate: | 53.54% |
 Monthly Visits (SEMrush): | 281166 |
| Sources | Traffic Share |
 Social: | 0.28% |
 Paid Referrals: | 4.04% |
 Mail: | 0.11% |
 Search: | 39.54% |
 Direct: | 56.03% |
| Country | Traffic Share |
 China: | 83.76% |
 United States: | 4.26% |
 Taiwan: | 3.41% |
 Singapore: | 3.10% |
 Hong Kong: | 1.22% |
An SSL certificate is a digital certificate that ensures a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption to keep data private and protected during transmission. oi-wiki.org supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.
HTTP headers are additional segments of data exchanged between a client (e.g. a web browser) and a server during an HTTP request or response. They serve to provide instructions, metadata, or control parameters for the interaction between the client and server.
oi-wiki.org is likely hosted in various data centers located across different regions worldwide. The current data center mentioned is just one of many where the website may be hosted.
WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check oi-wiki.org for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.
| Domain Updated Date: | 2023-08-23 |
| Domain Created Date: | 2018-08-19 |
| Domain Expiry Date: | |
| Domain Name: | |
| Registrar WHOIS Server: | http://whois.namesilo.com |
| Registrar Abuse Contact Email: | [email protected] |
| Registrar Abuse Contact Phone: | +1.4805240066 |
| Domain Registrar: | Namesilo, LLC |
| Domain Owner: | See PrivacyGuardian.org |
Domain Name: oi-wiki.org
Registry Domain ID: bd51140948a54ab5aad1011f4ed116a8-LROR
Registrar WHOIS Server: http://whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2023-08-23T12:34:26Z
Creation Date: 2018-08-19T04:22:29Z
Registry Expiry Date: 2028-08-19T04:22:29Z
Registrar: Namesilo, LLC
Registrar IANA ID: 1479
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4805240066
Registrant Organization: See PrivacyGuardian.org
Registrant State/Province: AZ
Registrant Country: US
Name Server: f1g1ns1.dnspod.net
SEO analysis involves examining the performance of a website, including titles, descriptions, keywords, and website speed. It also includes identifying popular keywords and researching competitor websites to understand their strategies. The analysis aims to optimize the website's visibility and improve its ranking on search engines.
Length: 17 characters
Title tags are usually best kept short, within 50-70 characters. It's important to note that search engines will typically read the entire title tag even if it exceeds 70 characters, but there is a chance they may cut it off or disregard it.
No meta description found.
Length: 0 characters
When crafting website descriptions, keep in mind that search engines only show the first 150-160 characters in search results. To ensure your entire description is visible, aim for a length of 25-160 characters. If your description is too long, it may get cut off. Conversely, if it's too short, search engines may add text from elsewhere on your page. Additionally, search engines may modify the description you provide to better match the user's search intent. It's best to strike a balance between brevity and relevance for optimal visibility.
No meta keywords found.
In the realm of search engine optimization, the meta keywords tag has become a relic of the past due to its potential for misuse, ultimately leading major search engines to disregard it in their ranking algorithms.
| Term | Count | Density |
| wiki | 12 | 7.27% |
| tree | 6 | 3.64% |
| oi-wiki | 4 | 2.42% |
| stl | 4 | 2.42% |
| icpc | 4 | 2.42% |
| started | 3 | 1.82% |
| testlib | 3 | 1.82% |
| dfs | 2 | 1.21% |
| kmp | 2 | 1.21% |
| java | 2 | 1.21% |
| bitset | 2 | 1.21% |
| bfs | 2 | 1.21% |
| programming | 2 | 1.21% |
| acm | 2 | 1.21% |
A crucial factor in search engine optimization is keyword density, which refers to the proportion of a particular keyword present in the text of a webpage. In order to achieve high rankings on search engine results pages, it is essential to maintain the appropriate keyword density for your primary keyword.
| <h> OI Wiki - OI Wiki 跳转至 OI Wiki OI Wiki 正在初始化搜索引擎 OI-wiki/OI-wiki 简介 比赛相关 工具软件 语言基础 算法基础 搜索 动态规划 字符串 数学 数据结构 图论 计算几何 杂项 专题 OI Wiki OI-wiki/OI-wiki 简介 简介 Getting Started Getting Started 目录 欢迎来到 OI Wiki！ 关于本项目 如何参与 OI Wiki 不是什么 格式手册 数学符号表 F.A.Q. 镜像站列表 致谢 比赛相关 比赛相关 比赛相关简介 赛事 赛事 OI 赛事与赛制 ICPC/CCPC 赛事与赛制 题型 题型 题型概述 交互题 学习路线 学习资源 技巧 技巧 读入、输出优化 分段打表 常见错误 常见技巧 出题 工具软件 工具软件 工具软件简介 代码编辑工具 代码编辑工具 Vim Emacs VS Code Atom Eclipse Notepad++ Kate Dev-C++ CLion Geany Xcode GUIDE Sublime Text CP Editor 评测工具 评测工具 评测工具简介 Arbiter Cena CCR Plus Lemon 命令行 编译器 WSL (Windows 10) Special Judge Testlib Testlib Testlib 简介 通用 Generator Validator Interactor Checker Polygon OJ 工具 LaTeX 入门 Git 语言基础 语言基础 语言基础简介 C++ 基础 C++ 基础 Hello, World! C++ 语法基础 变量 运算 流程控制语句 流程控制语句 分支 循环 高级数据类型 高级数据类型 数组 结构体 联合体 指针 函数 文件操作 C++ 标准库 C++ 标准库 C++ 标准库简介 STL 容器 STL 容器 STL 容器简介 迭代器 序列式容器 关联式容器 无序关联式容器 容器适配器 STL 算法 bitset string pair C++ 进阶 C++ 进阶 类 命名空间 值类别 重载运算符 引用 常值 新版 C++ 特性 Lambda 表达式 pb_ds pb_ds pb_ds 简介 堆 平衡树 编译优化 C++ 与其他常用语言的区别 Pascal 转 C++ 急救 Python 速成 Java 速成 Java 进阶 算法基础 算法基础 算法基础简介 复杂度 枚举 模拟 递归 差分 二分 倍增 构造 搜索 搜索 搜索部分简介 DFS（搜索） BFS（搜索） 双向搜索 启发式搜索 A* 迭代加深搜索 IDA* 回溯法 Dancing Links Alpha-Beta 剪枝 优化 动态规划 动态规划 动态规划部分简介 动态规划基础 记忆化搜索 背包 DP 区间 DP DAG 上的 DP 树形 DP 状压 DP 数位 DP 插头 DP 计数 DP 动态 DP 概率 DP DP 优化 DP 优化 单调队列/单调栈优化 斜率优化 四边形不等式优化 状态设计优化 其它 DP 方法 字符串 字符串 字符串部分简介 字符串基础 标准库 字符串匹配 字符串哈希 字典树 (Trie) 前缀函数与 KMP 算法 Boyer–Moore 算法 Z 函数（扩展 KMP） 自动机 AC 自动机 后缀数组 (SA) 后缀数组 (SA) 后缀数组简介 最优原地后缀排序算法 后缀自动机 (SAM) 后缀平衡树 广义后缀自动机 后缀树 Manacher 回文树 序列自动机 最小表示法 Lyndon 分解 Main–Lorentz 算法 数学 数学 数学部分简介 符号 进位制 位运算 二进制集合操作 平衡三进制 高精度计算 快速幂 置换和排列 弧度制与坐标系 复数 数论 数论 数论基础 素数 最大公约数 数论分块 欧拉函数 筛法 Meissel–Lehmer 算法 分解质因数 裴蜀定理 类欧几里德算法 欧拉定理 区间历史最值 划分树 二叉搜索树 平衡树 二叉搜索树 & 平衡树 Treap Splay 树 WBLT Size Balanced Tree AVL 树 B 树 B+ 树 替罪羊树 Leafy Tree 笛卡尔树 红黑树 左偏红黑树 AA 树 2-3 树 2-3-4 树 跳表 可持久化数据结构 可持久化数据结构 可持久化数据结构简介 可持久化线段树 可持久化块状数组 可持久化平衡树 可持久化字典树 可持久化可并堆 树套树 树套树 线段树套线段树 平衡树套线段树 线段树套平衡树 树状数组套权值线段树 分块套树状数组 K-D Tree 动态树 动态树 Link Cut Tree 全局平衡二叉树 Euler Tour Tree Top Tree 析合树 PQ 树 手指树 霍夫曼树 图论 图论 图论部分简介 图论相关概念 图的存储 DFS（图论） BFS（图论） 树上问题 树上问题 树基础 树的直径 最近公共祖先 树的重心 树链剖分 树上启发式合并 虚树 树分治 动态树分治 AHU 算法 树哈希 树上随机游走 矩阵树定理 有向无环图 拓扑排序 最小生成树 斯坦纳树 最小树形图 最小直径生成树 最短路 拆点 差分约束 k 短路 同余最短路 连通性相关 连通性相关 强连通分量 双连通分量 割点和桥 圆方树 点/边连通度 环计数问题 2-SAT 欧拉图 哈密顿图 二分图 最小环 平面图 图的着色 网络流 网络流 网络流简介 最大流 最小割 费用流 上下界网络流 Stoer–Wagner 算法 图的匹配 图的匹配 图匹配 增广路 二分图最大匹配 二分图最大权匹配 一般图最大匹配 一般图最大权匹配 Prüfer 序列 LGV 引理 弦图 最大团搜索算法 支配树 图上随机游走 计算几何 计算几何 计算几何部分简介 二维计算几何基础 三维计算几何基础 距离 Pick 定理 三角剖分 凸包 扫描线 旋转卡壳 半平面交 平面最近点对 随机增量法 反演变换 计算几何杂项 杂项 杂项 杂项简介 离散化 双指针 离线算法 离线算法 离线算法简介 CDQ 分治 整体二分 莫队算法 莫队算法 莫队算法简介 普通莫队算法 带修改莫队 树上莫队 回滚莫队 二维莫队 莫队二次离线 莫队配合 bitset 分数规划 随机化 随机化 随机函数 随机化技巧 爬山算法 模拟退火 悬线法 计算理论基础 字节顺序 约瑟夫问题 格雷码 表达式求值 在一台机器上规划任务 主元素问题 Garsia–Wachs 算法 15-puzzle Kahan 求和 珂朵莉树/颜色段均摊 专题 专题 RMQ 并查集应用 括号序列 线段树与离线询问 目录 欢迎来到 OI Wiki！ Getting Started</h> |
| <h2>欢迎来到 OI Wiki ！ </h2> |
In SEO, the primary focus is placed on keywords within the content. The title of the page holds the highest importance, followed by heading tags such as h1, h2, and h3. The h1 heading should be the largest on the page, while the h2 heading should be slightly smaller, and the h3 heading even smaller. This hierarchical structure is crucial for optimizing search engine rankings.
What is the issue about?The tag does not have an ALT attribute defined. As a general rule, search engines do not interpret the content of image files. The text provided in the
attribute enables the site owner to provide relevant information to the search engine and to the end user. Alt text is helpful to end users if they have images disabled or if the image does not properly load. In addition, the Alt text is utilized by screen readers. Make sure that your Alt text is descriptive and accurately reflects what the image represents and supports the content on the page.
How to fix?Use the <img alt> attribute to write descriptive content for the image: <img source='pic.gif' alt='Accurate and descriptive keyword text that represents the image.' />.
Website speed is a measurement of how fast the content on your page loads. Website speed is one of many factors involved in the discipline of search engine optimization (SEO), but it is not the only one. In a recent study, the average load time for a web page was 3.21s.
| Term | Search Volume | Traffic | Traffic (%) |
| oi wot wiki | 70 | 0 | 0% |
| oi wiki | 140 | 0 | 0% |
CoHosted refers to a situation where multiple domain names (websites) are using the same IP address to point to their respective web servers. They could be owned by different individuals or organizations and may serve entirely different purposes.
Total reviews: 2 Average score: 5 stars
The total score is based on reviews found on the following sitesScamadviser: 5/5 stars, 2 reviews
Total reviews: 2 Average score: 5 stars
The total score is based on reviews found on the following sitesScamadviser: 5/5 stars, 2 reviews
