SEO report of haha.school

hahaschool

haha.school/

Error! The "meta description" is missing, the page has no summary description!


 Tasks

  • Make the site mobile device friendly.
  • Avoid using deprecated HTML tags.
  • Try to make your site load faster.

 SEO

URL

Domain : haha.school/

Character length : 12

Title
hahaschool
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

type: website
title: hahaschool
url: https://haha.school/
site_name: hahaschool
image: https://s0.wp.com/i/blank.jpg
locale: en_US

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!

 Social

Social Engagement

No info found.

 Content

Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
hahaschool

Character length : 10

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 10%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
95253000
Heading structure in the source code
  • <H1> hahaschool
  • <H2> 最短路教程
  • <H1> 单源最短路
  • <H2> 问题分析
  • <H3> 无环性
  • <H3> 传递的最优性
  • <H3> 最短路树/最短路DAG
  • <H2> 算法
  • <H3> Bellman-Ford
  • <H3> SPFA
  • <H3> Dijkstra
  • <H3> Gabow
  • <H2> 应用
  • <H1> 多源最短路
  • <H2> 问题概述
  • <H2> 算法
  • <H2> 应用
  • <H1> 总结
  • <H1> 参考
  • <H2> Codeforces 666C Codewords
  • <H2> 题意
  • <H2> 思路
  • <H2> 实现
  • <H2> Codeforces 295D Greg and Caves
  • <H2> 题意
  • <H2> 思路
  • <H2> 实现
  • <H3> NTT+CRT做法
  • <H3> 正解
  • <H3> 参考
  • <H2> 后缀数组
  • <H2> 构造后缀数组
  • <H3> 倍增前缀法
  • <H3> DC3
  • <H2> 经典问题
  • <H3> 最长公共前缀(LCP)
  • <H3> 可重叠最长重复子串
  • <H3> 不可重叠最长重复子串
  • <H3> 可重叠k次重复最长子串
  • <H3> 不相同子串数目
  • <H3> 最长回文子串
  • <H3> 最长循环节
  • <H3> 重复次数最多的循环节
  • <H3> 最长公共子串
  • <H3> 长度不小于k的公共子串个数
  • <H3> 在至少k个字符串中出现的最长子串
  • <H3> 每个字符串至少出现两次且不重叠的最长子串
  • <H3> 出现或反转后出现在每个字符串中的最长子串
  • <H2> 单模式串匹配问题与KMP算法
  • <H1> 单模式串匹配问题
  • <H2> 问题定义
  • <H2> 朴素解法
  • <H2> 优化解法
  • <H1> KMP算法
  • <H2> 
  • <H3> 求Next数组
  • <H3> 使用Next数组加速字符串匹配
  • <H2> Next数组的其他应用
  • <H3> 最长循环节
  • <H3> 结合动态规划
  • <H2> Extended KMP
  • <H2> 最长回文子串和Manacher算法
  • <H1> 最长回文子串
  • <H2> 问题定义
  • <H2> 朴素解法
  • <H3> 解法一
  • <H3> 解法二
  • <H2> 优化解法
  • <H3> 解法三
  • <H3> 解法四
  • <H3> 解法五
  • <H1> Manacher算法
  • <H2> 开始之前的一些定义
  • <H2> 先来找找规律
  • <H2> 在深入问题之前的补充定义
  • <H2> 深入问题
  • <H3> 情形1:
  • <H3> 情形2:
  • <H3> 情形3:
  • <H3> 情形4:
  • <H2> 实现
  • <H2> 简化实现
  • <H2> 应用举例
  • <H3> 裸题
  • <H3> 左端点对应最长回文串
  • <H3> 结合线段树
  • <H2> 参考文献与致谢
  • <H2> 给中级者的动态规划教程
  • <H2> 认识更多模型
  • <H3> 区间DP
  • <H3> 概率DP
  • <H3> 状态压缩DP
  • <H3> 树DP
  • <H2> LA4394 String Painter
  • <H2> 题意
  • <H2> 思路
  • <H2> 代码
  • <H2> LA3725 Hie with the Pie
  • <H2> 题意
  • <H2> 思路
  • <H2> 代码
  • <H2> UVA 10911 Forming Quiz Teams
  • <H2> 题意
  • <H2> 思路
  • <H2> 代码
  • <H2> Posts navigation
  • <H3> Tags
  • <H3> Recent Posts
  • <H3> Recent Comments
  • <H3> Archives
  • <H3> Categories
  • <H3> Meta
  • <H3> Follow me on Twitter
  • <H3> Top Posts & Pages
Word cloud
  • int451
  • len90
  • maxn80
  • #define74
  • return68
  • curr66
  • #include62
  • void50
  • dis49
  • rep48
  • rad46
  • ret43
  • const42
  • summod38
  • tmp37
  • suffix36
  • pfx34
  • res34
  • long32
  • mul_mod30
  • centerr28
  • string28
  • getmod28
  • mod28
  • tbc27
  • query26
  • rank26
  • que24
  • name24
  • #endif22
  • #ifdef22
  • char20
  • namespace20
  • inline20
  • cin20
  • rad[curr19
  • curl19
  • array18
  • sort18
  • mulmod18
  • ntt17
  • mul16
  • diff16
  • hahaschool16
  • auxiliary16
  • solve15
  • qrn15
  • rad[curl15
  • moder15
  • scanf14
  • using14
  • manacher14
  • get_mod14
  • memset14
  • double14
  • true14
  • height13
  • starts12
  • ccur12
  • str12
Keyword matrix
wordtitledescriptionsheading
int
len
maxn
#define
return
curr
Two Word cloud
  • #include #include26
  • for int12
  • const int12
  • using namespace10
  • int len9
  • long long9
Three Word cloud
  • #include #include #include11
  • using namespace std7
  • const int maxn4
  • lexicographically ith suffix4
  • #define adhoc_scanint(name int4
  • product times this2
404 Page
The website has no standard 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 152 images on this web page.

Alternate attributes for the following 6 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Readability

Flesch–Kincaid Grade Level
0.00
Flesch Reading Ease
100.00
Coleman Liau Index
3.20
Automated Readability Index (ARI)
0.00
Dale–Chall Readability
7.30
SMOG Index
6.40
Spache Readibility
5.00
Number of letters
955
Number of words
294
Number of sentences
98
Average words per sentences
3
Number of syllables
342
Syllables in words
295
Average syllables in words
1.16
Number of words in first three syllables
29
Percentage of word / syllables
9.86
Words not in Dale-Chall easy-word list
133
Words not in Spache easy-word list
75

 Technologies

Mobile optimization
Mobilnezet ellenorzes - warning
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version without www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
26,727 ms
Table layout
Error! Avoid using nested tables!
Render blocking resources
Good! No render blocking elements found!

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • http://haha.school/wp-includes/js/jquery/jquery.js?ver=1.12.4
  • http://haha.school/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
  • http://haha.school/wp-content/plugins/crayon-syntax-highlighter/js/min/crayon.min.js?ver=_2.7.2_beta
  • http://haha.school/wp-content/plugins/wp-quicklatex/js/wp-quicklatex-frontend.js?ver=1.0
  • http://haha.school/wp-content/plugins/jetpack/modules/wpgroho.js?ver=4.7.3
  • http://haha.school/wp-content/themes/polestar/js/jquery.theme.min.js?ver=0.9.5
  • http://haha.school/wp-content/themes/polestar/js/skip-link-focus-fix.min.js?ver=0.9.5
  • http://haha.school/wp-content/plugins/jetpack/_inc/twitter-timeline.js?ver=4.0.0
  • http://haha.school/wp-includes/js/wp-embed.min.js?ver=4.7.3
  • http://haha.school/wp-content/plugins/jetpack/_inc/spin.js?ver=1.3
  • http://haha.school/wp-content/plugins/jetpack/_inc/jquery.spin.js?ver=1.3
  • http://haha.school/wp-content/plugins/jetpack/modules/carousel/jetpack-carousel.js?ver=20170209
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Error! Too many CSS files detected that slows down the page load.
  • http://haha.school/wp-content/plugins/wp-quicklatex/css/quicklatex-format.css?ver=4.7.3
  • http://haha.school/wp-content/plugins/crayon-syntax-highlighter/css/min/crayon.min.css?ver=_2.7.2_beta
  • http://haha.school/wp-content/plugins/crayon-syntax-highlighter/themes/classic/classic.css?ver=_2.7.2_beta
  • http://haha.school/wp-content/plugins/crayon-syntax-highlighter/fonts/monaco.css?ver=_2.7.2_beta
  • http://haha.school/wp-content/themes/polestar/style.min.css?ver=0.9.5
  • http://haha.school/wp-content/themes/polestar/css/polestar-icons.min.css?ver=0.9.5
  • http://haha.school/wp-content/plugins/jetpack/css/jetpack.css?ver=4.8.2
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.

 Speed test – Compression

Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Browser cache
The browser cache is set correctly for all elements.

 Speed test – Images

File size of all images combined
0.00
Image optimisation
All images are optimized.

 Traffic

Alexa
18784233

 Links

We found a total of 140 different links.
Internal links: 134
External links: 6

External links:

Internal links:

Link text (anchor) Link strength

 Website security

IP
104.28.19.140
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

 Sites on same ip

monstercleaningslough.com

monstercleaningslough.com

haha.school

haha.school

 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H1 : hahaschool, ( 25px from top )
  • H2 : ?????, ( 148px from top )
  • H1 : ?????, ( 246px from top )
  • H2 : ????, ( 447px from top )
  • H3 : ???, ( 517px from top )
  • H3 : ??????, ( 1148px from top )
  • H3 : ????/???DAG, ( 2679px from top )
  • H2 : ??, ( 3070px from top )
  • H3 : Bellman-Ford, ( 3727px from top )
  • H3 : SPFA, ( 4914px from top )
  • H3 : Dijkstra, ( 5833px from top )
  • H3 : Gabow, ( 7803px from top )
  • H2 : ??, ( 7968px from top )
  • H1 : ?????, ( 8089px from top )
  • H2 : ????, ( 8164px from top )
  • H2 : ??, ( 8335px from top )
  • H2 : ??, ( 8850px from top )
  • H1 : ??, ( 8971px from top )
  • H1 : ??, ( 9501px from top )
  • H2 : Codeforces 666C Codewords, ( 9652px from top )
  • H2 : ??, ( 9779px from top )
  • H2 : ??, ( 10431px from top )
  • H2 : ??, ( 12270px from top )
  • H2 : Codeforces 295D Greg and Caves, ( 14291px from top )
  • H2 : ??, ( 14418px from top )
  • H2 : ??, ( 15218px from top )
  • H2 : ??, ( 18587px from top )
  • H3 : NTT+CRT??, ( 18657px from top )
  • H3 : ??, ( 22884px from top )
  • H3 : ??, ( 24531px from top )
  • H2 : ????, ( 24913px from top )
  • H2 : ??????, ( 25011px from top )
  • H3 : ?????, ( 25081px from top )
  • H3 : DC3, ( 26248px from top )
  • H2 : ????, ( 28337px from top )
  • H3 : ??????(LCP), ( 28407px from top )
  • H3 : ?????????, ( 28471px from top )
  • H3 : ??????????, ( 28535px from top )
  • H3 : ???k???????, ( 28599px from top )
  • H3 : ???????, ( 28663px from top )
  • H3 : ??????, ( 28727px from top )
  • H3 : ?????, ( 28791px from top )
  • H3 : ??????????, ( 28855px from top )
  • H3 : ??????, ( 28919px from top )
  • H3 : ?????k???????, ( 28983px from top )
  • H3 : ???k????????????, ( 29086px from top )
  • H3 : ????????????????????, ( 29189px from top )
  • H3 : ????????????????????, ( 29292px from top )
  • H2 : ?????????KMP??, ( 29726px from top )
  • H1 : ????????, ( 29853px from top )
  • H2 : ????, ( 29928px from top )
  • H2 : ????, ( 30200px from top )
  • H2 : ????, ( 30396px from top )
  • H1 : KMP??, ( 30667px from top )
  • H2 : , ( 30742px from top )
  • H3 : ?Next??, ( 30742px from top )
  • H3 : ??Next?????????, ( 31106px from top )
  • H2 : Next???????, ( 31584px from top )
  • H3 : ?????, ( 31654px from top )
  • H3 : ??????, ( 31718px from top )
  • H2 : Extended KMP, ( 31782px from top )
  • H2 : ???????Manacher??, ( 31928px from top )
  • H1 : ??????, ( 32055px from top )
  • H2 : ????, ( 32130px from top )
  • H2 : ????, ( 32629px from top )
  • H3 : ???, ( 32699px from top )
  • H3 : ???, ( 32940px from top )
  • H2 : ????, ( 33206px from top )
  • H3 : ???, ( 33276px from top )
  • H3 : ???, ( 33870px from top )
  • H3 : ???, ( 34388px from top )
  • H1 : Manacher??, ( 34528px from top )
  • H2 : ?????????, ( 34603px from top )
  • H2 : ??????, ( 35546px from top )
  • H2 : ????????????, ( 37034px from top )
  • H2 : ????, ( 37987px from top )
  • H3 : ??1:, ( 38324px from top )
  • H3 : ??2:, ( 39468px from top )
  • H3 : ??3:, ( 40722px from top )
  • H3 : ??4:, ( 41352px from top )
  • H2 : ??, ( 41968px from top )
  • H2 : ????, ( 43268px from top )
  • H2 : ????, ( 44697px from top )
  • H3 : ??, ( 44767px from top )
  • H3 : ??????????, ( 44831px from top )
  • H3 : ?????, ( 44895px from top )
  • H2 : ???????, ( 44959px from top )
  • H2 : ???????????, ( 45232px from top )
  • H2 : ??????, ( 45330px from top )
  • H3 : ??DP, ( 45400px from top )
  • H3 : ??DP, ( 45616px from top )
  • H3 : ????DP, ( 45832px from top )
  • H3 : ?DP, ( 46023px from top )
  • H2 : LA4394 String Painter, ( 46392px from top )
  • H2 : ??, ( 46490px from top )
  • H2 : ??, ( 46686px from top )
  • H2 : ??, ( 48042px from top )
  • H2 : LA3725 Hie with the Pie, ( 49028px from top )
  • H2 : ??, ( 49126px from top )
  • H2 : ??, ( 49348px from top )
  • H2 : ??, ( 49848px from top )
  • H2 : UVA 10911 Forming Quiz Teams, ( 51269px from top )
  • H2 : ??, ( 51396px from top )
  • H2 : ??, ( 51567px from top )
  • H2 : ??, ( 52492px from top )
  • H2 : Posts navigation, ( 53542px from top )
  • H3 : Tags, ( 53746px from top )
  • H3 : Recent Posts, ( 54250px from top )
  • H3 : Recent Comments, ( 54487px from top )
  • H3 : Archives, ( 54780px from top )
  • H3 : Categories, ( 55297px from top )
  • H3 : Meta, ( 55730px from top )
  • H3 : Follow me on Twitter, ( 55939px from top )
  • H3 : Top Posts & Pages, ( 56443px from top )

 Typos

aha.school, hbaha.school, baha.school, hgaha.school, gaha.school, htaha.school, taha.school, hyaha.school, yaha.school, huaha.school, uaha.school, hjaha.school, jaha.school, hmaha.school, maha.school, hnaha.school, naha.school, hha.school, haqha.school, hqha.school, hawha.school, hwha.school, hazha.school, hzha.school, haha.school, hha.school, haxha.school, hxha.school, hasha.school, hsha.school, haa.school, hahba.school, haba.school, hahga.school, haga.school, hahta.school, hata.school, hahya.school, haya.school, hahua.school, haua.school, hahja.school, haja.school, hahma.school, hama.school, hahna.school, hana.school, hah.school, hahaq.school, hahq.school, hahaw.school, hahw.school, hahaz.school, hahz.school, haha.school, hah.school, hahax.school, hahx.school, hahas.school, hahs.school

More Sites

  • Title: Silvers installed as B'nai Israel's senior rabbi - tribunedigital-sunsentinel
  • Description: Liturgical texts and commentaries and books about Judaism and Jewish life line the shelves in Rabbi Robert A. Silvers' office at Congregation B'nai Israel in Boca Raton. Garfinkle and Elmo dolls and
  • Sites loading time: 2114
  • Internet Protocol (IP) address: 151.101.12.204
  • Javascript total size: 1.29MB
  • CSS total size: 61.18KB
  • Image total size: 4.77KB
  • Total size: 1.55MB
  • Tech:
    • Analytic
      • Google Analytics
      • Quantcast Measurement
      • Taboola
    • Advertisement
      • Google Adsense
    • Social
      • Add This
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Iframe
      • Javascript
      • Php (Hypertext Preprocessor)
  • Title: Operation Lifeshield - Home
  • Description: Operation Lifeshield is an emergency campaign to save innocent lives by providing Israel's threatened communities with the protected air raid shelters they so desperately need.
  • Sites loading time: 2162
  • Internet Protocol (IP) address: 52.211.218.57
  • Javascript total size: 438.98KB
  • CSS total size: 217.80KB
  • Image total size: 155.91KB
  • Total size: 934.43KB
  • Tech:
    • Analytic
      • Facebook Retargeting
    • Advertisement
      • PayPal
    • Social
      • Facebook Box
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Html5
      • Iframe
      • Javascript
      • Php (Hypertext Preprocessor)
  • Title: 一悠旅游
  • Description:
  • Sites loading time: 14013
  • Internet Protocol (IP) address: 121.42.114.115
  • Javascript total size: 1.00MB
  • CSS total size: 35.12KB
  • Image total size: 506.16KB
  • Total size: 2.32MB
  • Tech:
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Javascript
      • jQuery
      • Php (Hypertext Preprocessor)
  • Title: Timekeeper: Sage 100 Time Tracking Software
  • Description: Timekeeper for Windows can be integrated with Sage 100 ERP by Sage Software as part of your networked accounting system.
  • Sites loading time: 1997
  • Internet Protocol (IP) address: 96.68.20.172
  • Javascript total size: 442.90KB
  • CSS total size: 8.70KB
  • Image total size: 45.73KB
  • Total size: 556.90KB
  • Tech:
    • Analytic
      • Google Analytics
    • Advertisement
      • Google Adsense
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Iframe
      • Javascript
  • Title: iggesundsportalen.se
  • Description:
  • Internet Protocol (IP) address: 185.53.178.11
  • Tech:
    • Analytic
      • Google Analytics
    • Advertisement
      • Google Adsense
    • CDN
      • CloudFront
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Javascript
      • Php (Hypertext Preprocessor)
  • Title:
  • Description:
  • Internet Protocol (IP) address: 108.168.229.162
  • Tech:
    • CMS
      • Wordpress CMS
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Html5
      • jQuery
  • Title: ilprotector.info
  • Description:
  • Internet Protocol (IP) address: 141.8.225.31
  • Tech:
    • Other
      • CSS (Cascading Style Sheets)
      • Google Font API
      • Html (HyperText Markup Language)
      • Javascript
  • Title: thecharitywarehouse.co.uk
  • Description:
  • Sites loading time: 165
  • Internet Protocol (IP) address: 85.233.160.23
  • Javascript total size: 0.00B
  • CSS total size: 0.00B
  • Image total size: 0.00B
  • Total size: 511.00B
  • Tech:
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Html5
      • Iframe
  • Title: educationforemployability.co.uk
  • Description:
  • Internet Protocol (IP) address: 85.233.160.23
  • Tech:
    • Other
      • CSS (Cascading Style Sheets)
      • Html (HyperText Markup Language)
      • Html5
      • Iframe
  • Title: SKS International School | Indore
  • Description:
  • Internet Protocol (IP) address: 192.185.129.71
  • Tech:
    • Other
      • Html (HyperText Markup Language)
      • Iframe
      • Javascript
      • Php (Hypertext Preprocessor)
      • Swf Object