Counts of indexing pages

搜尋引擎的索引頁數比較

Test query (均使用Stop Word)

• 1st query: +a OR +the
• 2nd query: +a OR +of OR +the OR +in OR +is OR +she OR +he OR +to OR +be OR +as

索引頁面數的比較結果

1. Google: 約147億的網頁數
2. Yahoo!: 約113億的網頁數
3. Gigablast: 約60億的網頁數

Ranking	Search engine	Count of search results for the 1st query	count of search results for the 2nd query	Highest count of indexing pages
	A9 (Core engine: Windows Live)	218,944,342	62,476,165	218,944,342
4	Ask.com	433,050,000	3,317,650,000	3,317,650,000
5	Clusty (meta search)	2,147,483,647	2,147,483,647	2,147,483,647
	Lycos (Core engine: Ask.com)	432,840,000	3,317,390,000	3,317,390,000
3	Gigablast	6,013,186,568	1,378,830	6,013,186,568
1	Google	13,760,000,000	14,770,000,000	14,770,000,000
6	Microsoft Windows Live	223,269,398	60,861,644	223,269,398
2	Yahoo	11,300,000,000	3,310,000,000	11,300,000,000

相關資料

• Inspired by Sullivan, D. (2005). New Technique To Count All Pages In Google Index, Sort Of - 不過目前Sullivan所用的方法已經失效。
• 2005年3月 Google宣稱可索引的頁面數: 8,058,044,651 頁