[Daily Statistics] [Hourly Statistics] [URLs] [Entry] [Exit] [Sites] [Referrers] [Search] [Agents] [Countries]

Monthly Statistics for October 2010
Total Hits	435004
Total Files	383509
Total Pages	184799
Total Visits	45467
Total KBytes	4877011
Total Unique Sites	21153
Total Unique URLs	23584
Total Unique Referrers	12293
Total Unique User Agents	4819
.	Avg	Max
Hits per Hour	584	3850
Hits per Day	14032	26349
Files per Day	12371	24918
Pages per Day	5961	17886
Sites per Day	682	2158
Visits per Day	1466	5977
KBytes per Day	157323	466378
Hits by Response Code
Code 200 - OK	88.16%	383509
Code 206 - Partial Content	0.00%	8
Code 301 - Moved Permanently	0.00%	1
Code 302 - Found	4.16%	18103
Code 304 - Not Modified	7.12%	30955
Code 403 - Forbidden	0.03%	133
Code 404 - Not Found	0.36%	1582
Code 405 - Method Not Allowed	0.00%	8
Code 503 - Service Unavailable	0.16%	705

Daily Statistics for October 2010
Day	Hits		Files		Pages		Visits		Sites		KBytes
1	10052	2.31%	9098	2.37%	4696	2.54%	987	2.17%	495	2.34%	107144	2.20%
2	8199	1.88%	7262	1.89%	3422	1.85%	750	1.65%	292	1.38%	89503	1.84%
3	12550	2.89%	11449	2.99%	6773	3.67%	2249	4.95%	459	2.17%	237953	4.88%
4	14463	3.32%	12493	3.26%	4894	2.65%	1151	2.53%	1315	6.22%	130307	2.67%
5	22223	5.11%	20498	5.34%	13187	7.14%	4155	9.14%	1224	5.79%	329422	6.75%
6	26349	6.06%	24918	6.50%	17886	9.68%	5977	13.15%	783	3.70%	466378	9.56%
7	10994	2.53%	9732	2.54%	4275	2.31%	946	2.08%	678	3.21%	106139	2.18%
8	9929	2.28%	8233	2.15%	2737	1.48%	902	1.98%	604	2.86%	77644	1.59%
9	11080	2.55%	9802	2.56%	5871	3.18%	1577	3.47%	486	2.30%	177989	3.65%
10	11315	2.60%	10210	2.66%	5218	2.82%	916	2.01%	547	2.59%	108123	2.22%
11	17055	3.92%	14724	3.84%	6288	3.40%	1353	2.98%	854	4.04%	149272	3.06%
12	16925	3.89%	14770	3.85%	5573	3.02%	1392	3.06%	919	4.34%	148083	3.04%
13	15111	3.47%	13129	3.42%	5020	2.72%	1237	2.72%	811	3.83%	123207	2.53%
14	17877	4.11%	15494	4.04%	7822	4.23%	2146	4.72%	786	3.72%	213469	4.38%
15	14423	3.32%	12752	3.33%	5126	2.77%	1103	2.43%	793	3.75%	128039	2.63%
16	11401	2.62%	10328	2.69%	5384	2.91%	1063	2.34%	584	2.76%	122061	2.50%
17	15433	3.55%	14003	3.65%	7466	4.04%	1213	2.67%	739	3.49%	147008	3.01%
18	14777	3.40%	13072	3.41%	5348	2.89%	1237	2.72%	843	3.99%	134818	2.76%
19	15107	3.47%	13065	3.41%	5097	2.76%	1102	2.42%	777	3.67%	128215	2.63%
20	14391	3.31%	12490	3.26%	4638	2.51%	891	1.96%	784	3.71%	111838	2.29%
21	18417	4.23%	16280	4.25%	9521	5.15%	2430	5.34%	745	3.52%	274509	5.63%
22	13408	3.08%	11662	3.04%	4938	2.67%	898	1.98%	774	3.66%	110862	2.27%
23	11886	2.73%	10404	2.71%	6196	3.35%	1493	3.28%	554	2.62%	206624	4.24%
24	14250	3.28%	12726	3.32%	7112	3.85%	1089	2.40%	680	3.21%	146210	3.00%
25	13082	3.01%	10895	2.84%	3142	1.70%	1041	2.29%	854	4.04%	110209	2.26%
26	16449	3.78%	14279	3.72%	4756	2.57%	1027	2.26%	2158	10.20%	139397	2.86%
27	18471	4.25%	16835	4.39%	7454	4.03%	2263	4.98%	1680	7.94%	268812	5.51%
28	10818	2.49%	8870	2.31%	3003	1.63%	791	1.74%	1387	6.56%	89224	1.83%
29	10481	2.41%	8304	2.17%	3893	2.11%	803	1.77%	1288	6.09%	91733	1.88%
30	9044	2.08%	7849	2.05%	4352	2.35%	679	1.49%	942	4.45%	101460	2.08%
31	9044	2.08%	7883	2.06%	3711	2.01%	748	1.65%	495	2.34%	101357	2.08%

Hourly Statistics for October 2010
Hour	Hits			Files			Pages			KBytes
	Avg	Total		Avg	Total		Avg	Total		Avg	Total
0	457	14192	3.26%	413	12831	3.35%	214	6660	3.60%	4274	132508	2.72%
1	341	10588	2.43%	306	9502	2.48%	191	5950	3.22%	3691	114406	2.35%
2	250	7777	1.79%	225	6998	1.82%	162	5043	2.73%	3337	103432	2.12%
3	306	9488	2.18%	276	8578	2.24%	220	6843	3.70%	5767	178763	3.67%
4	360	11186	2.57%	336	10418	2.72%	266	8266	4.47%	6816	211288	4.33%
5	280	8695	2.00%	253	7854	2.05%	179	5554	3.01%	4093	126880	2.60%
6	308	9554	2.20%	276	8562	2.23%	185	5744	3.11%	4074	126307	2.59%
7	365	11342	2.61%	324	10066	2.62%	227	7054	3.82%	6044	187359	3.84%
8	443	13749	3.16%	393	12193	3.18%	217	6737	3.65%	5644	174968	3.59%
9	551	17085	3.93%	462	14335	3.74%	225	7002	3.79%	6463	200341	4.11%
10	607	18817	4.33%	525	16284	4.25%	219	6810	3.69%	5865	181808	3.73%
11	726	22534	5.18%	620	19239	5.02%	286	8868	4.80%	8119	251685	5.16%
12	775	24026	5.52%	674	20906	5.45%	291	9025	4.88%	7732	239699	4.91%
13	819	25399	5.84%	718	22277	5.81%	305	9460	5.12%	8185	253725	5.20%
14	841	26075	5.99%	747	23171	6.04%	378	11725	6.34%	12092	374865	7.69%
15	782	24259	5.58%	677	21008	5.48%	252	7839	4.24%	7865	243824	5.00%
16	854	26490	6.09%	751	23310	6.08%	313	9720	5.26%	9584	297113	6.09%
17	848	26318	6.05%	748	23217	6.05%	329	10206	5.52%	10385	321939	6.60%
18	732	22703	5.22%	642	19929	5.20%	283	8774	4.75%	7750	240247	4.93%
19	715	22171	5.10%	640	19863	5.18%	253	7843	4.24%	7108	220335	4.52%
20	710	22036	5.07%	637	19750	5.15%	234	7272	3.94%	7400	229411	4.70%
21	735	22810	5.24%	650	20165	5.26%	267	8277	4.48%	5412	167769	3.44%
22	675	20944	4.81%	589	18283	4.77%	232	7198	3.90%	4929	152809	3.13%
23	540	16766	3.85%	476	14770	3.85%	223	6929	3.75%	4695	145531	2.98%

Top 30 of 23584 Total URLs
#	Hits		KBytes		URL
1	19793	4.55%	644499	13.22%	/
2	15618	3.59%	393	0.01%	/wstat/usage_201010.html
3	10682	2.46%	1219	0.02%	/images/logo/bg_guarantees1.gif
4	10185	2.34%	1181	0.02%	/images/logo/bg_guarantees.gif
5	9907	2.28%	1048	0.02%	/images/small_icons_1/dop7.gif
6	9835	2.26%	1243	0.03%	/images/small_icons/questios.gif
7	9812	2.26%	4092	0.08%	/images/small_icons_1/aster.gif
8	9806	2.25%	9004	0.18%	/images/small_icons_1/dop6.gif
9	9803	2.25%	199612	4.09%	/images/body/library.jpg
10	9774	2.25%	1506	0.03%	/images/small_icons/search1.gif
11	9741	2.24%	1035	0.02%	/images/small_icons_1/dop8.gif
12	9730	2.24%	1110	0.02%	/images/t_logo/f_communications.gif
13	9693	2.23%	8042	0.16%	/images/small_icons_1/dop5.gif
14	9661	2.22%	1783	0.04%	/images/small_icons/word_yes.gif
15	9608	2.21%	4148	0.09%	/images/logo/bg.jpg
16	9515	2.19%	38317	0.79%	/images/logo/small_logo_articles.jpg
17	9496	2.18%	1747	0.04%	/images/small_icons/word_no.gif
18	8856	2.04%	675	0.01%	/images/small_icons/date.gif
19	7599	1.75%	12617	0.26%	/favicon.ico
20	7264	1.67%	5855	0.12%	/images/small_icons_1/lawyer.gif
21	3968	0.91%	2953	0.06%	/images/banners/37/1.jpg
22	3284	0.75%	1196	0.02%	/images/body/quest.gif
23	3105	0.71%	126	0.00%	/images/0.gif
24	2983	0.69%	687	0.01%	/images/small_icons/close_button.gif
25	2983	0.69%	13268	0.27%	/images/small_icons/panel_fon.jpg
26	2674	0.61%	36869	0.76%	/images/country_images/bg/small_4.jpg
27	2657	0.61%	35323	0.72%	/images/country_images/bg/small_1.jpg
28	2646	0.61%	35840	0.73%	/images/country_images/bg/small_3.jpg
29	2620	0.60%	36918	0.76%	/images/country_images/bg/small_5.jpg
30	2606	0.60%	36364	0.75%	/images/country_images/bg/small_2.jpg

Top 10 of 23584 Total URLs By KBytes
#	Hits		KBytes		URL
1	19793	4.55%	644499	13.22%	/
2	9803	2.25%	199612	4.09%	/images/body/library.jpg
3	60	0.01%	61161	1.25%	/wstat/site_200807.html
4	9515	2.19%	38317	0.79%	/images/logo/small_logo_articles.jpg
5	2620	0.60%	36918	0.76%	/images/country_images/bg/small_5.jpg
6	2674	0.61%	36869	0.76%	/images/country_images/bg/small_4.jpg
7	2606	0.60%	36364	0.75%	/images/country_images/bg/small_2.jpg
8	2646	0.61%	35840	0.73%	/images/country_images/bg/small_3.jpg
9	2657	0.61%	35323	0.72%	/images/country_images/bg/small_1.jpg
10	32	0.01%	33861	0.69%	/wstat/site_200809.html

Top 10 of 12578 Total Entry Pages
#	Hits		Visits		URL
1	19793	4.55%	6510	14.56%	/
2	15618	3.59%	1303	2.92%	/wstat/usage_201010.html
3	990	0.23%	363	0.81%	/add/
4	1158	0.27%	299	0.67%	/personal/
5	395	0.09%	187	0.42%	/office/experts/question.htm
6	258	0.06%	186	0.42%	/articles/other/federalnie_tcel.htm
7	243	0.06%	180	0.40%	/articles/other/strategicheskoe_ypr.htm
8	205	0.05%	167	0.37%	/articles/other/n31.htm
9	233	0.05%	165	0.37%	/articles/laws/prokyrorskii_nadzo.htm
10	454	0.10%	143	0.32%	/personal/advertising/

Top 10 of 12646 Total Exit Pages
#	Hits		Visits		URL
1	19793	4.55%	6850	15.34%	/
2	15618	3.59%	1303	2.92%	/wstat/usage_201010.html
3	1158	0.27%	424	0.95%	/personal/
4	990	0.23%	352	0.79%	/add/
5	395	0.09%	184	0.41%	/office/experts/question.htm
6	258	0.06%	171	0.38%	/articles/other/federalnie_tcel.htm
7	400	0.09%	164	0.37%	/personal/safety/
8	205	0.05%	163	0.36%	/articles/other/n31.htm
9	454	0.10%	162	0.36%	/personal/advertising/
10	233	0.05%	155	0.35%	/articles/laws/prokyrorskii_nadzo.htm

Top 30 of 21153 Total Sites
#	Hits		Files		KBytes		Visits		Hostname
1	25933	5.96%	25364	6.61%	536133	10.99%	2309	5.08%	77.88.42.26
2	14421	3.32%	14327	3.74%	324666	6.66%	4886	10.75%	94.100.181.81
3	12758	2.93%	12678	3.31%	134064	2.75%	1091	2.40%	81.19.66.91
4	9754	2.24%	9611	2.51%	391762	8.03%	3535	7.77%	194.67.18.209
5	8875	2.04%	8669	2.26%	177344	3.64%	413	0.91%	87.250.254.241
6	8851	2.03%	8775	2.29%	235945	4.84%	3215	7.07%	94.100.181.102
7	8837	2.03%	8837	2.30%	0	0.00%	540	1.19%	195.248.234.40
8	8645	1.99%	8551	2.23%	77093	1.58%	1207	2.65%	81.222.64.10
9	7991	1.84%	1461	0.38%	39673	0.81%	177	0.39%	95.108.158.231
10	6562	1.51%	6466	1.69%	81802	1.68%	593	1.30%	81.19.66.89
11	5399	1.24%	5399	1.41%	88788	1.82%	605	1.33%	81.19.66.116
12	5186	1.19%	5131	1.34%	45168	0.93%	469	1.03%	81.19.66.90
13	4626	1.06%	4626	1.21%	253766	5.20%	1088	2.39%	217.174.103.230
14	4267	0.98%	4139	1.08%	62185	1.28%	163	0.36%	67.195.111.50
15	4267	0.98%	4140	1.08%	153115	3.14%	1377	3.03%	85.17.82.87
16	4007	0.92%	4007	1.04%	0	0.00%	470	1.03%	213.186.115.84
17	3562	0.82%	2959	0.77%	137173	2.81%	1117	2.46%	204.45.108.26
18	3203	0.74%	3203	0.84%	55203	1.13%	433	0.95%	81.19.66.74
19	2591	0.60%	2591	0.68%	0	0.00%	288	0.63%	195.248.234.37
20	1957	0.45%	1896	0.49%	29937	0.61%	114	0.25%	67.195.112.87
21	1449	0.33%	1404	0.37%	21202	0.43%	81	0.18%	67.195.112.50
22	1422	0.33%	1120	0.29%	45755	0.94%	447	0.98%	70.88.105.66
23	1297	0.30%	1000	0.26%	41062	0.84%	426	0.94%	70.90.37.117
24	1156	0.27%	710	0.19%	7124	0.15%	129	0.28%	195.34.243.109
25	989	0.23%	799	0.21%	5770	0.12%	301	0.66%	95.108.142.138
26	986	0.23%	855	0.22%	5151	0.11%	222	0.49%	67.195.37.172
27	907	0.21%	907	0.24%	49507	1.02%	163	0.36%	95.131.29.15
28	881	0.20%	718	0.19%	5711	0.12%	289	0.64%	208.115.111.242
29	851	0.20%	844	0.22%	9458	0.19%	100	0.22%	81.19.66.84
30	748	0.17%	694	0.18%	5403	0.11%	141	0.31%	193.164.202.167

Top 10 of 21153 Total Sites By KBytes
#	Hits		Files		KBytes		Visits		Hostname
1	25933	5.96%	25364	6.61%	536133	10.99%	2309	5.08%	77.88.42.26
2	9754	2.24%	9611	2.51%	391762	8.03%	3535	7.77%	194.67.18.209
3	14421	3.32%	14327	3.74%	324666	6.66%	4886	10.75%	94.100.181.81
4	4626	1.06%	4626	1.21%	253766	5.20%	1088	2.39%	217.174.103.230
5	8851	2.03%	8775	2.29%	235945	4.84%	3215	7.07%	94.100.181.102
6	8875	2.04%	8669	2.26%	177344	3.64%	413	0.91%	87.250.254.241
7	4267	0.98%	4140	1.08%	153115	3.14%	1377	3.03%	85.17.82.87
8	3562	0.82%	2959	0.77%	137173	2.81%	1117	2.46%	204.45.108.26
9	12758	2.93%	12678	3.31%	134064	2.75%	1091	2.40%	81.19.66.91
10	5399	1.24%	5399	1.41%	88788	1.82%	605	1.33%	81.19.66.116

Top 30 of 12293 Total Referrers
#	Hits		Referrer
1	166049	38.17%	- (Direct Request)
2	6489	1.49%	http://www.interned.ru/
3	6042	1.39%	http://kuponator.ru/
4	5523	1.27%	http://www.interned.ru/articles/laws/ofshornie_nizkonalog.htm
5	4018	0.92%	http://www.interned.ru/articles/other/strategicheskoe_ypr.htm
6	3644	0.84%	http://www.interned.ru/articles/other/federalnie_tcel.htm
7	2857	0.66%	http://www.interned.ru/articles/other/n31.htm
8	2654	0.61%	http://www.interned.ru/articles/other/otrajenie_v_ychet.htm
9	2503	0.58%	http://www.interned.ru/articles/other/metodicheskie_rekomendatcii.htm
10	2370	0.54%	http://www.interned.ru/articles/laws/mejdynarodnaj_iekonomika.htm
11	2350	0.54%	http://www.interned.ru/articles/other/sotcialnaj_strykt.htm
12	1989	0.46%	http://www.interned.ru/articles/laws/prokyrorskii_nadzo.htm
13	1884	0.43%	http://www.interned.ru/articles/other/metodicheskie_rek.htm
14	1842	0.42%	http://www.interned.ru/articles/laws/ob_osnovnih.htm
15	1777	0.41%	http://www.interned.ru/articles/laws/ofshornie_nizkonalog_1.htm
16	1774	0.41%	http://interned.ru/
17	1755	0.40%	http://www.interned.ru/articles/laws/dog_sell.htm
18	1593	0.37%	http://www.interned.ru/articles/laws/nalog_prib.htm
19	1537	0.35%	http://www.interned.ru/articles/laws/osnov_2.htm
20	1512	0.35%	http://www.interned.ru/articles/other/arhiv.htm
21	1437	0.33%	http://www.interned.ru/articles/other/kak_inostr.htm
22	1404	0.32%	http://www.interned.ru/articles/other/proekty_kontceptc.htm
23	1361	0.31%	http://www.interned.ru/articles/other/stanovlenie_razv.htm
24	1319	0.30%	http://www.interned.ru/articles/other/zcvdj.htm
25	1211	0.28%	http://www.interned.ru/articles/other/gosy_mynitcipal.htm
26	1205	0.28%	http://www.interned.ru/articles/other/ertvcq.htm
27	1197	0.28%	http://www.interned.ru/articles/other/obespechitelnaj_fynk.htm
28	1149	0.26%	http://www.interned.ru/articles/laws/sostojnie_prirodnoi_2.htm
29	1096	0.25%	http://blogozdorovie.ru
30	1093	0.25%	http://www.interned.ru/articles/other/razvitie_frg.htm

Top 20 of 173 Total Search Strings
#	Hits		Search String
1	5	2.48%	риски рынка недвижимости
2	3	1.49%	www.agbspb.com
3	3	1.49%	www.net-da.net
4	3	1.49%	ФИНЛЯНДИЯ КОТКА--АГЕНСТВО НЕДВИЖИМОСТИ
5	3	1.49%	риски в недвижимости
6	3	1.49%	федеральные целевые программы перечень
7	2	0.99%	1ЛГ504Д2
8	2	0.99%	ПРОДАЖА КВАРТИР СТАРЫЙ ФОНД ПЕТЕРБУРГА
9	2	0.99%	Согласование условия договора купли-продажи о количестве товара
10	2	0.99%	ассиметрия развития регионов
11	2	0.99%	законы о постройке крыши на жилых домах в израиле
12	2	0.99%	интернет агентство недвижимости
13	2	0.99%	маркетинговые риски девелопмент
14	2	0.99%	оценка эффективности федеральные целевые программы
15	2	0.99%	планировка двухкомнатных квартир дома серии 1 Лг-606
16	2	0.99%	программы развития регионов в РФ
17	2	0.99%	региональные целевая программа и их роль
18	2	0.99%	риски недвижимость
19	2	0.99%	собственник против вселения
20	2	0.99%	тенденции банковской деятельности

Top 15 of 4819 Total User Agents
#	Hits		User Agent
1	43270	9.95%	StackRambler/2.0 (MSIE incompatible)
2	34808	8.00%	Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)
3	24394	5.61%	Mail.Ru/1.0
4	15671	3.60%	Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.2.2) Gecko/20100316 MRA 5.6 (build 03278) Firefox/3.6.2 (.NET CLR 3.5.307
5	13084	3.01%	Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
6	10853	2.49%	Opera/9.80 (Windows NT 5.1; U; ru) Presto/2.6.30 Version/10.62
7	9928	2.28%	Mozilla/5.0 (compatible; AportWorm/3.2; +http://www.aport.ru/help)
8	8868	2.04%	Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)
9	8027	1.85%	Opera/9.80 (Windows NT 5.1; U; ru) Presto/2.6.30 Version/10.63
10	7991	1.84%	Mozilla/5.0 (compatible; YandexImages/3.0; +http://yandex.com/bots)
11	6586	1.51%	Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10
12	5569	1.28%	Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.3
13	5533	1.27%	Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6
14	5475	1.26%	Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)
15	4255	0.98%	SolomonoBot/1.01 (http://www.solomono.ru)

Top 30 of 74 Total Countries
#	Hits		Files		KBytes		Country
1	293988	67.58%	259177	67.58%	3409138	69.90%	Russian Federation
2	49819	11.45%	42227	11.01%	351190	7.20%	Unresolved/Unknown
3	25288	5.81%	21107	5.50%	478231	9.81%	United States
4	23164	5.33%	22178	5.78%	64119	1.31%	Ukraine
5	11048	2.54%	10687	2.79%	102599	2.10%	Great Britain (UK)
6	8036	1.85%	7039	1.84%	109090	2.24%	Germany
7	4973	1.14%	4810	1.25%	179762	3.69%	Netherlands
8	3139	0.72%	2856	0.74%	25431	0.52%	Norway
9	2796	0.64%	2699	0.70%	22943	0.47%	Poland
10	2501	0.57%	1927	0.50%	21686	0.44%	Belarus
11	2377	0.55%	2038	0.53%	14246	0.29%	Kazakhstan
12	1346	0.31%	1220	0.32%	23357	0.48%	Italy
13	495	0.11%	443	0.12%	6586	0.14%	France
14	445	0.10%	391	0.10%	1517	0.03%	Finland
15	433	0.10%	325	0.08%	6757	0.14%	China
16	424	0.10%	258	0.07%	2532	0.05%	Malaysia
17	416	0.10%	359	0.09%	898	0.02%	Sweden
18	331	0.08%	312	0.08%	1313	0.03%	Portugal
19	310	0.07%	260	0.07%	5397	0.11%	Latvia
20	305	0.07%	293	0.08%	1598	0.03%	Uzbekistan
21	290	0.07%	226	0.06%	2651	0.05%	Spain
22	272	0.06%	228	0.06%	8049	0.17%	Japan
23	222	0.05%	202	0.05%	5263	0.11%	Greece
24	187	0.04%	175	0.05%	1455	0.03%	Moldova
25	170	0.04%	139	0.04%	671	0.01%	Estonia
26	162	0.04%	143	0.04%	1934	0.04%	Israel
27	146	0.03%	103	0.03%	711	0.01%	Kyrgyzstan
28	136	0.03%	119	0.03%	555	0.01%	Czech Republic
29	115	0.03%	98	0.03%	458	0.01%	Austria
30	112	0.03%	105	0.03%	687	0.01%	Turkey