当你使用Wordpress做为Blog平台时，文章发布应该处于首要地位，但无论如何，留言也是非常重要的一项，有时读者会留下一下有价值的讨论。但默认的Wordpress留言功能非常的简单，而下面一些插件可能会有助于你，改善你的Blog的留言功能。

防垃圾评论插件

Akismet - 由Wordpress官方制作的防垃圾评论插件，需要到Wordpress.com上申请一个免费的API Key。

Spam Karma - 基于karma 系统的垃圾留言分析插件。

Bad Behavior - 在垃圾留言机器人请求HTTP响应时进行分析，可以进行预先防止。

Did You Pass Math? - 让读者在留言前先输入一个数学加法的结果，从而判断是人还是垃圾留言机器人。

Comment Timeout - 自动在旧文章中关闭留言功能。

鼓励读者留言的插件

BlogFollow - 在留言底部显示留言者的Blog上的部分片断。

DoFollow - 删除留言中”nofollow”属性，以便让搜索引擎收录。

DoFollow Trackbacks - 删除trackbacks中”nofollow” 属性。

Show Top Commentators - 在你的Blog侧边栏上列出留言次数最多的读者，包括他们的Blog地址。

改善型插件

Nicer Trackbacks - 改善来自于其他Blog的TrackBaks呈现方式。

WP-NoSh*t - 在留言中过滤不良词汇。

Numbered Comments 为留言添加序列号.

AuthorHighlight - 高亮Blog作者的留言.

Comment Highlighter - 根据作者的名称、Email或URL来定义留言样式。

wp-chunk - 缩短留言中过长的URL网址，以防止撑破页面。

丰富留言功能的插件

Custom Smileys -添加表情图像到留言功能中。

TinyMCEComments - 把留言框变为全功能的文字编辑器。

Live Comment Preview - 允许读者在发表留言前先进行预览。

Edit Comments XT - 允许读者修改他们自已的留言。

头像插件

Gravatar - 显示留言者托管于Gravatar上的头像。

Favatars - 把来自于读者Blog或网站的Favicon图标作为留言者头像。

MBLA - 在留言中添加读者在MyBlogLog上的头像。

OpenID Comments -允许读者通过OpenID来留言。

留言调用插件

WP-Most Commented Posts - 在侧边栏显示留言最多的文章。

Latest Comments with Avatars Reloaded - 显示最新的留言，包括评论者的MyBlogLog头像。

有助于交流的插件

Simple CoComments - 在多个Blog之间跟踪留言。

Comment Karma - Digg样式的留言投票工具。

Quoter - 允许用户引用其他人的留言。

Whisper - 允许读者发送私密消息给你。

留言控制插件

Comment Twitter SMS Notification - 通过Twitter SMS来通知你有新留言。

Bannage - 可通过名称、Email或IP来禁止部分读者留言。

CommentCentral - 可以成批的开放和关闭文章的留言功能。

另外，我在这里再强烈推荐一个之前介绍过留言插件，这是一个具备社会化功能的留言插件，名为SezWho，详细介绍见这里。同时关于WP的插件，这里还有一篇我之前翻译的，译文:30多个利用AJAX技术创建的WordPress插件。

翻译：Riku

下面是英文原文：30+ Plugins for Wordpress Comments

Aside from tweaking the design and installing the occasional plugin, most of the time in your Wordpress blog is spent writing and editing posts. In the penultimate post of the Wordpress Tips series, we present 30+ tools to help you with everything from saving recurring post layouts to hiding the spoiler at the end of your movie review.

Post Administration & Layout

Add Graphic Signature - Adds a graphic of your signature to your posts either automatically or via the insertion of a simple tag.

Adman - Allows you to post ads such as Google AdSense at the beginning or middle of a post.

Another WordPress Meta Plugin - Allows you to add Meta tags and keywords to your post to try to further optimize your blog for search engines.

Category Remindr - Category Remindr puts a button next to the “Publish” button to remind you to select the categories for your post.

Corrector - Adds Google Spell to your admin area and can spellcheck in 27 languages.

DropCap First Character - Enlarges the first character of a post to give it more of a magazine appearance.

Front Page Excluded Categories - Sometimes you don’t want posts from certain categories on your front landing page, this allows you to exclude them from appearing there.

Limit the size of main page posts - Set the number of words you want each of your main page posts to contain, if they exceed that limit, a link is provided to a page with the complete post.

Notify On Draft Post - Notifies the editor when the authors of a multi-author blog post a new draft for review.

Post Notification - Sends an email to all of the registered Users, who have opted in, when you make a new post. Includes the option to include the post in the email.

Post Repeater - Sometimes you have a post with significance every week, month, or year; this plugin will do it for you with just a few edits.

Post Templates - Allows you to set up repeating templates such as a “Picture Of The Day” and so on without all the tedious copy and pasting.

PostPost - Allows you to add content such as advertisements before or after every post.

Posts Expire - Set an expiration date on your post, after the date passes, it will no longer be displayed.

Subscribers Only - Lets you mark a post as “subscriber only” so they are visible only to members of your site.

Subscribe-Remind - Adds a reminder to the bottom of each post to your readers to subscribe to your RSS feed.

WordPress PDA - Helps your readers view your blog on a PDA browser.

WP-orderposts - As more people use WordPress also as a CMS, sometimes you don’t want your posts in chronological order; this plugin allows you to change it.

WP-Sticky - Sometimes you want a post to always be the first entry for your blog, especially when using WordPress as a makeshift CMS. This plugin does just that by making a post “sticky”.

Post Tools

Auto Link - Use the Google API to set delimiters like [movie]Move Title[/movie] to make it auto link to the page on IMDB. Can set others as you wish.

Author Complete Post List - Gives you the ability to display all the posts by an author, including the ones where they are co-author.

Blog by Mail with Categories - Changes the “Blog by Mail” feature in WordPress so you can also set the category.

Code Markup - Allows you to include snippets of code, including HTML, in your post without it affecting the page.

Easy Post-To-Post Links - Allows you to use a shortcut when writing a post linking to another post on your blog; shows the full hyperlink in the published post.

On This Day - Will display posts posted on the same day in previous years.

Plain Text Paste - Helps to ease the pain of pasting something you wrote in Microsoft Word into WordPress.

TD Word Count - Will display a word count for each post on a blog, and gives you a total count.

Ubernyms - Allows you to make shortcut for terms and links you use often. Just enter the abbreviation and this plugin fills it in for you.

WP-Footnotes - Allows you to add footnotes to a more detailed post.

wpSpoiler - Great for sites that do movie or TV reviews, will allow you so hide text behind [spoiler] tags.