| URL | リンク総数 |
|---|
| https://penguin99.com/04_grammar/grammar.html | 54 |
| https://penguin99.com/08_kanji/kanji_index.html | 48 |
| https://penguin99.com/05_pronunciation/pronunciation.html | 47 |
| https://penguin99.com/09_link/books.html | 47 |
| https://penguin99.com/07_quiz/quiz.html | 46 |
| https://penguin99.com/06_word/words.html | 45 |
| https://penguin99.com/13_rensai/rensai.html | 45 |
| https://penguin99.com/01_map.html | 44 |
| https://penguin99.com/14_toiawase.html | 42 |
| https://penguin99.com/11_koushin/koushin_top.html | 41 |
| https://penguin99.com/09_link/link.html | 41 |
| https://penguin99.com/02_about.html | 40 |
| https://penguin99.com/12_kanrisha.html | 40 |
| https://penguin99.com/03_term.html | 40 |
| https://penguin99.com/10_nichiroku/nichiroku_top.html | 40 |
| https://penguin99.com/04_grammar/bunkei/bunkei.html | 33 |
| https://penguin99.com/04_grammar/goki/goki.html | 29 |
| https://penguin99.com/04_grammar/gobi/gobi.html | 28 |
| https://penguin99.com/07_quiz/cross_mini/cross_mini_top.html | 27 |
| https://penguin99.com/15_privatelesson.html | 24 |