Юзабельная капча на php
Securimage — бесплатная капча написанная на PHP с открытым исходным кодом. Сам я ярый противник использования капч, но в некоторых случаях они не заменимы, именно в этом случае и не надо обложатся, так как через чур сложные капчи зачастую просто отпугивают пользователя.
Securimage в отличии от многих решений для капч, очень опциональна и с помощью ее можно сделать настоящую «конфетку» :-)
Используйте капчи только в крайних случаях!
Преимущества Securimage(описываю в порядке значимости):
- Обновление изображения капчи без перезагрузки страницы
- Изменяемая длинна капчи
- Генерирование аудио-капчи в формате .wav
- Использование списка слов для генерирования капчи
- Поддержка TTF шрифтов
- Простое добавление фонов для капчи
- Изменение цвета, прозрачности текста
Вот так выглядит рядовая капча:
(69 килобайт)
«коНфетку»
Блин, извини, я забыл про Ctrl+Enter))
Всеравно спасибо :-)
Этой капче есть куда совершенствоваться, прежде чем она может быть признана юзабельной.
Например, её аудиоверсия не учитывает тот факт, что названия букв и ичлительные на разных языках произносятся по-разному.
В случае, если на картинке написано аР1уТе, как сходу определить – на русском она или на латинице? Если я не был ни разу на вашем сайте, как мне догадаться об этом?
Это всё, конечно, мелочи, но из них и складывается то, что мы называем удобством использования
Для этого и существует веб-мастер, что бы дорабатывать.
Если бы я делал капчу я бы делал ее на базе коротких слов, что эта капча легко позволяет.
Я, а как вы защищаете свои формы, например эту форму комментария?
А никак :-)
У меня настроена премодерация на все комментарии со ссылками, пока этого хватает.
Не могу я издеваться над своими читателями и пытать их ужасными капчами, даже во вред себе.
Как-то не очень она юзабильна :)
Интересно, конечно, но мне больше нравится капча от captcha.ru… Вот если ее доработать (в визуальном плане), то получается очень хорошо…
Может кто-нибудь подскажет , можно ли эту капчу встроить вместо стандартной в DLE ?
Можно конечно. Стучи в асю – обьясню. ася 525302
А как заставить сохраняться уже введенные данные при неправильном наборе кода?
Ну это уже надо самому реализовывать с помощью php.
Ничего капча, тока чет звуковой файл у меня не генерился нормально (плееры ошибку писали)
а как скрыть из html строку вида
securimage_show.php?sid=ac637937f6bd3dec68923d6b3d72c69d
преобразовать в например securimage.jpg
или в ac637937f6bd3dec68923d6b3d72c69d.jpg
а кстати подскажитек в реале на каком языке генерируется код на латинице или на кирилице
Спасибо, попробую у себя на новом блоге :)
Видел на нескольких сайтах капча заменена математическими вопросами типа : 6+4=?. Гораздо удобнее.
вапвапfd пап ывап ывап
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