2005/05/04

有關RSS的定位
分類:網路、部落格


最近用RSS實作了一下部落格的分類,也用了一些 RSS 轉成 Javascript include 的工具,發現大家對 RSS 這個規格的定位其實大不相同的。

RSS 是 XML 的格式,以發布 RSS 機制的設計者來說,認為既然是電腦看的格式,所以比較舊的資料部份就要取用的人自己來處理就好了,所以 del.icio.us 這個網站提供的 RSS 只提供 31 則最新的分類標籤,如果要取用的人,可以把舊的分類存在 local 端就好。

最近在搞自動的 weblogwriters.blogspot.com 這個 RSSFeed2JS 的 javascript 的時候,數位之牆的 RSS 只有最新的一篇,本來想測試看看這個 Feed2JS 有沒有幫我存舊資料的功能,測試過後顯然沒有,也找了不少網站,目前為止除了給使用者看的 bloglines.com 或是 RSS Reader 這種軟體有提供之外,如果在 RSS 轉成 JS 的這個角度來想,只是單純的轉資料而已。

那麼,到底誰要存舊資料,資料要存多久,要存多少在資料庫裡面?

或許這也是一個新生意的思考,也或許美國已經有這類的網站了,找到再來試試看。也或許上下游都會做掉也說不定。

另外提一個發現,就是由於 RSS 的格式太過自由,所以當有 Blog 文章更改日期的時候,有不少 RSS Reader 常會把同一篇文章變成兩篇文章,這個應該是缺乏 PK 的緣故,最近 bloglines 好像有點改善,不知道是用什麼方法?

總共有7個迴響

  1. SAM 5/08/2005 9:54 上午

    「現有 * 人駐足」的服務有問題──
    <script src="http://fastonlineusers.com/online.php?d=www.yoursite.com"></script>

    將這個連結「另存新檔」,看看它寫了什麼東西在裡面:
    http://fastonlineusers.com/online.php?d=www.yoursite.com

    它會不定時的要求你的瀏覽者下載 xxxtoolbar (spyware)

  2. 水瓶子 5/08/2005 11:49 上午

    感謝 sam,我已經拿掉,謝謝你的提醒,以後用 script src=..... 一定會先查查看,我把彈出視窗的功能擋掉了,所以都沒有發現。

  3. Takol 5/08/2005 3:25 下午

    去看了Feed2JS的網站,也因此發覺我的網站當初自己寫的RSS Feed存在著致命的格式錯誤,藉此機會修正完畢。
    感謝感謝!

  4. 水瓶子 5/10/2005 11:47 上午

    http://timyang.com/comments.php?id=630_0_1_0_C

    http://blogs.law.harvard.edu/tech/rss

  5. 水瓶子 5/12/2005 12:06 下午

    現在用 www.furl.net 雖然是學 delicious 網站,可是他把分類的上下游功能做的比較齊全了。

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