LPAYstation.com « All domains list « 1 « 14 « 146 « 1469 « 14690 « 146902

herfection.com

Herfection.com - OnlyHipHop.com | www.herfection.com

Free and useful ranking statistics, IP and content analysis report for herfection.com.

Overview: Good things (4) Bad things (5) Plain statistics (6)

Comments about herfection.com

Write and read opinions about this website here:

Good things (4)

  1. At it's peak.

    This website is at the very top ALEXA position of all time (#40244).
  2. This website is ONLINE.
  3. The length of <title> (51) tag is OPTIMAL.

  4. Domain was active all the time.

    This domain has NOT been expired any time in the past.

Bad things (5)

  1. Recently not very active.

    Last time we found herfection.com in ALEXA was 2014-01-25 (≈ 10.81 years ago)
  2. We have found herfection.com in ALEXA rankings rarely (32.88%), it is worse than average.
  3. This shows that this website has not stable rankings through the time.
  4. Probably NOT mobile optimised (meta viewport not detected).
  5. This website USES meta keywords, which is NOT recommended by latest search engine guidelines.

Plain statistics (6)

  1. The average ALEXA position for this domain is #101354.96
  2. The best ALEXA ranking for this website was #40244 and the worst was #716811
  3. The best ALEXA ranking for this website was spotted on 2014-01-25 (≈ 10.81 years ago) and the worst was on 2013-12-26 (≈ 10.9 years ago)
  4. The latest ALEXA position for this website is #40244
  5. We have found herfection.com in ALEXA rankings more than forty (48) times.
  6. We have found herfection.com in ALEXA rankings (32.88% of all times)

Content analysis

URL: http://herfection.com/

Title: OnlyHipHop.com - Quality Hip Hop Music Updated 24/7

Description: OnlyHipHop.com quality hip hop music since 2007

Meta keywords: nine lives, cibc aventura, star trek beyond, tim hortons, the purge 3, shell, hotels.com, swiss army, energizer batteries, hip hop, rap, onlyhiphop, herfection, h.e.r, xxl magazine, vibe magazine, worldstarhiphop, vice media

Hosted on this IP: 169.55.110.134 (86.6e.37a9.ip4.static.sl-reverse.com)

Download time: 0.8097 -- average

Link count: 81 -- average

HTML size: 26477 -- average

META KEYMETA VALUE
generatorWordPress 4.3

IP address analysis

Here is the list of websites hosted on the exact same IP address (169.55.110.134) as herfection.com:

IPHostnameDomains
169.55.110.13486.6e.37a9.ip4.static.sl-reverse.com
  1. herfection.com
  2. onlyhiphop.tv
  3. onlyhiphop.com

Websites with similar IP

Here is the list of websites hosted on the simlar IP addresses (169.55.110.134) as herfection.com:

IPHostnameDomains
169.55.0.236ec.00.37a9.ip4.static.sl-reverse.com
  1. isoxp.com
169.55.0.44.00.37a9.ip4.static.sl-reverse.com
  1. thepowercompany.com
169.55.0.8server3.bigfishvoice.com
  1. chateau-village.com
  2. hawaiianvillagemhc.com
  3. woodallsvillage.com
  4. cameloteastmhc.com
  5. clearwatertravelresort.net
  6. sandhillshores.com
  7. newbymanagement.com
  8. rollinggreensocala.com
  9. shalimarvillagemhp.com
  10. watersideclub.com
  11. palmterraceonline.com
  12. royalpalmsonline.com
  13. tropicanacoop.com
169.55.0.9server3.bigfishvoice.com
  1. newbyrealty.com
169.55.100.472f.64.37a9.ip4.static.sl-reverse.com
  1. bluehost.com
169.55.100.5335.64.37a9.ip4.static.sl-reverse.com
  1. hostmonster.com
169.55.101.14894.65.37a9.ip4.static.sl-reverse.com
  1. soufeel.ru
  2. soufeel.com.my
  3. soufeel.com.ph
  4. soufeel.fr
  5. soufeel.co.uk
169.55.101.6844.65.37a9.ip4.static.sl-reverse.com
  1. applovin.com
169.55.102.243f3.66.37a9.ip4.static.sl-reverse.com
  1. deltacomputacion.com.ar
  2. tiomario.com
  3. mishka.com.ar
  4. munidepot.com
  5. deltacomputacion.net
169.55.102.6844.66.37a9.ip4.static.sl-reverse.com
  1. pchp.net
169.55.109.7248.6d.37a9.ip4.static.sl-reverse.com
  1. u-mixit.com
169.55.11.12981.0b.37a9.ip4.static.sl-reverse.com
  1. zingery.com
169.55.11.13082.0b.37a9.ip4.static.sl-reverse.com
  1. hotpopfood.com
169.55.11.13587.0b.37a9.ip4.static.sl-reverse.com
  1. aptitudeany.com
169.55.11.164svps1.dimentech.com
  1. contra.org
  2. indianmuseum.org
  3. wildcenterne.org
169.55.110.1913.6e.37a9.ip4.static.sl-reverse.com
  1. leeteonline.com
169.55.111.1247c.6f.37a9.ip4.static.sl-reverse.com
  1. iflychat.com
169.55.112.11472.70.37a9.ip4.static.sl-reverse.com
  1. gilturners.com
169.55.113.212d4.71.37a9.ip4.static.sl-reverse.com
  1. gramboardpro.com
169.55.115.210wdc.domain.com
  1. domain.com
169.55.117.6541.75.37a9.ip4.static.sl-reverse.com
  1. losango.com.br
169.55.117.7248.75.37a9.ip4.static.sl-reverse.com
  1. securityintelligence.com
169.55.12.110valhalla.ritechhosting.com
  1. roamschool.com
  2. theclotheshorse.com
169.55.12.112www.digitar.net
  1. digitar.net
169.55.121.915b.79.37a9.ip4.static.sl-reverse.com
  1. micasa.co
169.55.122.1579d.7a.37a9.ip4.static.sl-reverse.com
  1. tech-resource.com
169.55.123.215d7.7b.37a9.ip4.static.sl-reverse.com
  1. listupp.com
169.55.128.5739.80.37a9.ip4.static.sl-reverse.com
  1. mobilesupport.ca
169.55.13.249f9.0d.37a9.ip4.static.sl-reverse.com
  1. kfc.com.pe
169.55.130.1388a.82.37a9.ip4.static.sl-reverse.com
  1. riverpharmacy.ca
169.55.136.10266.88.37a9.ip4.static.sl-reverse.com
  1. bigdatauniversity.com.br
169.55.136.252fc.88.37a9.ip4.static.sl-reverse.com
  1. reddittext.com
169.55.14.165a5.0e.37a9.ip4.static.sl-reverse.com
  1. abamako.com
169.55.14.213d5.0e.37a9.ip4.static.sl-reverse.com
  1. oilreset.com
169.55.144.245f5.90.37a9.ip4.static.sl-reverse.com
  1. bigdatauniversity.com
169.55.151.193c1.97.37a9.ip4.static.sl-reverse.com
  1. jjkoepsell.com
  2. greatdante.net
169.55.151.194c2.97.37a9.ip4.static.sl-reverse.com
  1. superfluitiesredux.com
169.55.151.195c3.97.37a9.ip4.static.sl-reverse.com
  1. asicabi.com
  2. pinoyfused.com
  3. anniesfurniture.com
169.55.151.197c5.97.37a9.ip4.static.sl-reverse.com
  1. socialseoguide.com
169.55.151.198c6.97.37a9.ip4.static.sl-reverse.com
  1. wayneholmesrealtors.com
  2. ineedawebsitedesign.com
  3. biologyinternational.org
  4. semlabs.co.uk
169.55.151.199c7.97.37a9.ip4.static.sl-reverse.com
  1. grandmas-best-home-made-wine.com
  2. ncappliancerebate.com
  3. pressreleasespider.com
169.55.152.10a.98.37a9.ip4.static.sl-reverse.com
  1. aventura-cafe.com
  2. 64dances.com
  3. somoinsightstudy.org
  4. tanklesswaterheatertoday.com
169.55.152.12c.98.37a9.ip4.static.sl-reverse.com
  1. cahokiarvpark.com
  2. npng.com.br
169.55.152.13d.98.37a9.ip4.static.sl-reverse.com
  1. inbudgetswetrust.com
  2. androidtvboxescanada.com
  3. robotgame.org
  4. twittweb.com
169.55.152.14e.98.37a9.ip4.static.sl-reverse.com
  1. maldunk.com
169.55.152.15f.98.37a9.ip4.static.sl-reverse.com
  1. folo.us
  2. alargamientopene.net
169.55.152.224e0.98.37a9.ip4.static.sl-reverse.com
  1. selfimprovementmonth.com
169.55.152.88.98.37a9.ip4.static.sl-reverse.com
  1. dohertyforcongress.com
169.55.16.192c0.10.37a9.ip4.static.sl-reverse.com
  1. auto-diagnosticstools.com
  2. cleartemperedglass.com

Alexa rank analysis

Domain:herfection.com
Best ALEXA rank in history:40244
Worst ALEXA rank in history:716811
Date of best rank:2014-01-25
Date of worst rank:2013-12-26
How many times spotted in Alexa rankings:48
Latest position:40244

Quantcast rank analysis

We have not spotted herfection.com in Quantcast rankings :(

Expired domains archive

We have no data that herfection.com would have expired any time in the past.

Typographical, typo errors

Common misspellings for herfection.com:

  1. erfection.com
  2. hrfection.com
  3. hefection.com
  4. herection.com
  5. herfction.com
  6. herfetion.com
  7. herfecion.com
  8. herfecton.com
  9. herfectin.com
  10. herfectio.com
  11. ehrfection.com
  12. hrefection.com
  13. hefrection.com
  14. herefction.com
  15. herfcetion.com
  16. herfetcion.com
  17. herfeciton.com
  18. herfectoin.com
  19. herfectino.com
  20. herfection.com
  21. terfection.com
  22. yerfection.com
  23. uerfection.com
  24. gerfection.com
  25. jerfection.com
  26. berfection.com
  27. nerfection.com
  28. hwrfection.com
  29. hrrfection.com
  30. hfrfection.com
  31. hdrfection.com
  32. hsrfection.com
  33. heefection.com
  34. hetfection.com
  35. hegfection.com
  36. heffection.com
  37. hedfection.com
  38. hereection.com
  39. herrection.com
  40. hertection.com
  41. herdection.com
  42. hergection.com
  43. hercection.com
  44. hervection.com
  45. herbection.com
  46. herfwction.com
  47. herfrction.com
  48. herffction.com
  49. herfdction.com
  50. herfsction.com
  51. herfextion.com
  52. herfedtion.com
  53. herfeftion.com
  54. herfevtion.com
  55. herfecrion.com
  56. herfecyion.com
  57. herfechion.com
  58. herfecgion.com
  59. herfecfion.com
  60. herfectuon.com
  61. herfectoon.com
  62. herfectlon.com
  63. herfectkon.com
  64. herfectjon.com
  65. herfectiin.com
  66. herfectipn.com
  67. herfectiln.com
  68. herfectikn.com
  69. herfectiob.com
  70. herfectioh.com
  71. herfectioj.com
  72. herfectiom.com
  73. hwrfwction.com
  74. hrrfrction.com
  75. hfrffction.com
  76. hdrfdction.com
  77. hsrfsction.com
  78. therfection.com
  79. hterfection.com
  80. yherfection.com
  81. hyerfection.com
  82. uherfection.com
  83. huerfection.com
  84. gherfection.com
  85. hgerfection.com
  86. jherfection.com
  87. hjerfection.com
  88. bherfection.com
  89. hberfection.com
  90. nherfection.com
  91. hnerfection.com
  92. hwerfection.com
  93. hewrfection.com
  94. hrerfection.com
  95. herrfection.com
  96. hferfection.com
  97. hefrfection.com
  98. hderfection.com
  99. hedrfection.com
  100. hserfection.com
  101. hesrfection.com
  102. heerfection.com
  103. herefection.com
  104. hetrfection.com
  105. hertfection.com
  106. hegrfection.com
  107. hergfection.com
  108. herffection.com
  109. herdfection.com
  110. herfeection.com
  111. herfrection.com
  112. herftection.com
  113. herfdection.com
  114. herfgection.com
  115. hercfection.com
  116. herfcection.com
  117. hervfection.com
  118. herfvection.com
  119. herbfection.com
  120. herfbection.com
  121. herfwection.com
  122. herfewction.com
  123. herferction.com
  124. herfefction.com
  125. herfedction.com
  126. herfsection.com
  127. herfesction.com
  128. herfexction.com
  129. herfecxtion.com
  130. herfecdtion.com
  131. herfecftion.com
  132. herfevction.com
  133. herfecvtion.com
  134. herfecrtion.com
  135. herfectrion.com
  136. herfecytion.com
  137. herfectyion.com
  138. herfechtion.com
  139. herfecthion.com
  140. herfecgtion.com
  141. herfectgion.com
  142. herfectfion.com
  143. herfectuion.com
  144. herfectiuon.com
  145. herfectoion.com
  146. herfectioon.com
  147. herfectlion.com
  148. herfectilon.com
  149. herfectkion.com
  150. herfectikon.com
  151. herfectjion.com
  152. herfectijon.com
  153. herfectiion.com
  154. herfectioin.com
  155. herfectipon.com
  156. herfectiopn.com
  157. herfectioln.com
  158. herfectiokn.com
  159. herfectiobn.com
  160. herfectionb.com
  161. herfectiohn.com
  162. herfectionh.com
  163. herfectiojn.com
  164. herfectionj.com
  165. herfectiomn.com
  166. herfectionm.com
  167. hherfection.com
  168. herfecction.com
  169. herfecttion.com
  170. herfectionn.com

Other top-level domains

Other possible TLDs or endings for herfection.com:

  1. herfection.net
  2. herfection.org
  3. herfection.club
  4. herfection.us
  5. herfection.biz
  6. herfection.tv
  7. herfection.me
  8. herfection.cn
  9. herfection.中国
  10. herfection.info
  11. herfection.mx
  12. herfection.blackfriday
  13. herfection.care
  14. herfection.在线
  15. herfection.guru
  16. herfection.clinic
  17. herfection.clothing
  18. herfection.tips
  19. herfection.today
  20. herfection.photography
  21. herfection.ph
  22. herfection.co
  23. herfection.pw
  24. herfection.de
  25. herfection.中文网
  26. herfection.at
  27. herfection.eu
  28. herfection.ws
  29. herfection.mobi
  30. herfection.la
  31. herfection.community
  32. herfection.fm
  33. herfection.co.uk
  34. herfection.tel
  35. herfection.bz
  36. herfection.mn
  37. herfection.name
  38. herfection.cc
  39. herfection.asia
  40. herfection.be
  41. herfection.so
  42. herfection.pl
  43. herfection.in
  44. herfection.lt
  45. herfection.ag
  46. herfection.lc
  47. herfection.sc
  48. herfection.vc
  49. herfection.singles
  50. herfection.bike
  51. herfection.holdings
  52. herfection.plumbing
  53. herfection.ventures
  54. herfection.camera
  55. herfection.equipment
  56. herfection.estate
  57. herfection.gallery
  58. herfection.graphics
  59. herfection.lighting
  60. herfection.contractors
  61. herfection.land
  62. herfection.technology
  63. herfection.construction
  64. herfection.directory
  65. herfection.kitchen
  66. herfection.diamonds
  67. herfection.enterprises
  68. herfection.voyage
  69. herfection.shoes
  70. herfection.careers
  71. herfection.photos
  72. herfection.recipes
  73. herfection.limo
  74. herfection.domains
  75. herfection.cab
  76. herfection.company
  77. herfection.computer
  78. herfection.center
  79. herfection.systems
  80. herfection.academy
  81. herfection.management
  82. herfection.menu
  83. herfection.berlin
  84. herfection.uno
  85. herfection.training
  86. herfection.solutions
  87. herfection.support
  88. herfection.builders
  89. herfection.email
  90. herfection.education
  91. herfection.institute
  92. herfection.repair
  93. herfection.camp
  94. herfection.glass
  95. herfection.ruhr
  96. herfection.ceo
  97. herfection.شبكة
  98. herfection.сайт
  99. herfection.онлайн
  100. herfection.solar
  101. herfection.coffee
  102. herfection.international
  103. herfection.house
  104. herfection.florist
  105. herfection.みんな
  106. herfection.holiday
  107. herfection.marketing
  108. herfection.rich
  109. herfection.tattoo
  110. herfection.buzz
  111. herfection.link
  112. herfection.gift
  113. herfection.guitars
  114. herfection.pics
  115. herfection.photo
  116. herfection.viajes
  117. herfection.farm
  118. herfection.codes
  119. herfection.onl
  120. herfection.pink
  121. herfection.red
  122. herfection.shiksha
  123. herfection.boutique
  124. herfection.kim
  125. herfection.blue
  126. herfection.移动
  127. herfection.cheap
  128. herfection.zone
  129. herfection.build
  130. herfection.cool
  131. herfection.watch
  132. herfection.kiwi
  133. herfection.qpon
  134. herfection.works
  135. herfection.expert
  136. herfection.foundation
  137. herfection.exposed
  138. herfection.luxury
  139. herfection.agency
  140. herfection.villas
  141. herfection.flights
  142. herfection.rentals
  143. herfection.cruises
  144. herfection.vacations
  145. herfection.best
  146. herfection.democrat
  147. herfection.dance
  148. herfection.орг
  149. herfection.机构
  150. herfection.संगठन
  151. herfection.wiki
  152. herfection.condos
  153. herfection.properties
  154. herfection.maison
  155. herfection.tienda
  156. herfection.immobilien
  157. herfection.ninja
  158. herfection.xyz
  159. herfection.jetzt
  160. herfection.dating
  161. herfection.events
  162. herfection.partners
  163. herfection.productions
  164. herfection.futbol
  165. herfection.reviews
  166. herfection.social
  167. herfection.bid
  168. herfection.trade
  169. herfection.webcam
  170. herfection.catering
  171. herfection.cards
  172. herfection.cleaning
  173. herfection.archi
  174. herfection.tools
  175. herfection.industries
  176. herfection.parts
  177. herfection.supplies
  178. herfection.supply
  179. herfection.nagoya
  180. herfection.ink
  181. herfection.report
  182. herfection.vision
  183. herfection.fish
  184. herfection.wang
  185. herfection.services
  186. herfection.christmas
  187. herfection.capital
  188. herfection.engineering
  189. herfection.exchange
  190. herfection.gripe
  191. herfection.pub
  192. herfection.bar
  193. herfection.rest
  194. herfection.wien
  195. herfection.associates
  196. herfection.lease
  197. herfection.media
  198. herfection.pictures
  199. herfection.moda
  200. herfection.moe
  201. herfection.tokyo
  202. herfection.voting
  203. herfection.reisen
  204. herfection.toys
  205. herfection.university
  206. herfection.town
  207. herfection.consulting
  208. herfection.kaufen
  209. herfection.wtf
  210. herfection.fail
  211. herfection.financial
  212. herfection.limited
  213. herfection.surgery
  214. herfection.dental
  215. herfection.rocks
  216. herfection.actor
  217. herfection.tax
  218. herfection.cash
  219. herfection.fund
  220. herfection.investments
  221. herfection.career
  222. herfection.furniture
  223. herfection.discount
  224. herfection.fitness
  225. herfection.schule
  226. herfection.haus
  227. herfection.bio
  228. herfection.black
  229. herfection.gratis
  230. herfection.claims
  231. herfection.credit
  232. herfection.creditcard
  233. herfection.digital
  234. herfection.accountants
  235. herfection.finance
  236. herfection.insure
  237. herfection.audio
  238. herfection.juegos
  239. herfection.hiphop
  240. herfection.cologne
  241. herfection.koeln
  242. herfection.london
  243. herfection.global
  244. herfection.loans
  245. herfection.life
  246. herfection.guide
  247. herfection.church
  248. herfection.网络
  249. herfection.公司
  250. herfection.organic
  251. herfection.cooking
  252. herfection.country
  253. herfection.fishing
  254. herfection.horse
  255. herfection.rodeo
  256. herfection.vodka
  257. herfection.vegas
  258. herfection.direct
  259. herfection.place
  260. herfection.host
  261. herfection.press
  262. herfection.website
  263. herfection.republican
  264. herfection.scot
  265. herfection.deals
  266. herfection.yokohama
  267. herfection.beer
  268. herfection.surf
  269. herfection.city
  270. herfection.lawyer
  271. herfection.attorney
  272. herfection.desi
  273. herfection.nyc
  274. herfection.okinawa
  275. herfection.healthcare
  276. herfection.airforce
  277. herfection.army
  278. herfection.navy
  279. herfection.vet
  280. herfection.soy
  281. herfection.ooo
  282. herfection.market
  283. herfection.mortgage
  284. herfection.restaurant
  285. herfection.gifts
  286. herfection.sarl
  287. herfection.بازار
  288. herfection.engineer
  289. herfection.भारत
  290. herfection.quebec
  291. herfection.hosting
  292. herfection.property
  293. herfection.click
  294. herfection.diet
  295. herfection.help
  296. herfection.moscow
  297. herfection.москва
  298. herfection.pizza
  299. herfection.immo
  300. herfection.business
  301. herfection.network
  302. herfection.software
  303. herfection.auction
  304. herfection.nl
  305. herfection.dentist
  306. herfection.rehab
  307. herfection.world
  308. herfection.gives
  309. herfection.degree
  310. herfection.forsale
  311. herfection.rip
  312. herfection.band
  313. herfection.space
  314. herfection.how
  315. herfection.delivery
  316. herfection.energy
  317. herfection.lgbt
  318. herfection.casa
  319. herfection.work
  320. herfection.party
  321. herfection.cricket
  322. herfection.vote
  323. herfection.voto
  324. herfection.yoga
  325. herfection.science
  326. herfection.wales
  327. herfection.cymru
  328. herfection.coach
  329. herfection.memorial
  330. herfection.legal
  331. herfection.money
  332. herfection.osaka
  333. herfection.green
  334. herfection.tires
  335. herfection.flowers
  336. herfection.wedding
  337. herfection.fashion
  338. herfection.garden
  339. herfection.poker
  340. herfection.fit
  341. herfection.sale
  342. herfection.video
  343. herfection.design
  344. herfection.ngo
  345. herfection.tennis
  346. herfection.bingo
  347. herfection.chat
  348. herfection.style
  349. herfection.one
  350. herfection.apartments
  351. herfection.casino
  352. herfection.school
  353. herfection.football
  354. herfection.top
  355. herfection.sucks
  356. herfection.reise
  357. herfection.date
  358. herfection.review
  359. herfection.faith
  360. herfection.golf
  361. herfection.tours
  362. herfection.gold
  363. herfection.plus
  364. herfection.cafe
  365. herfection.express
  366. herfection.news
  367. herfection.love
  368. herfection.site
  369. herfection.team
  370. herfection.jewelry
  371. herfection.show
  372. herfection.tech
  373. herfection.lat
  374. herfection.இந்தியா
  375. herfection.ভারত
  376. herfection.ભારત
  377. herfection.భారత్
  378. herfection.بھارت
  379. herfection.ਭਾਰਤ
  380. herfection.download
  381. herfection.racing
  382. herfection.accountant
  383. herfection.loan
  384. herfection.win
  385. herfection.lol
  386. herfection.hockey
  387. herfection.dog
  388. herfection.theater
  389. herfection.taxi
  390. herfection.run
  391. herfection.soccer
  392. herfection.movie
  393. herfection.coupons
  394. herfection.online
  395. herfection.fyi
  396. herfection.mba
  397. herfection.fans
  398. herfection.ski
  399. herfection.rent
  400. herfection.tickets
  401. herfection.college
  402. herfection.men
  403. herfection.miami
  404. herfection.live
  405. herfection.studio
  406. herfection.pro
  407. herfection.世界
  408. herfection.earth
  409. herfection.family
  410. herfection.wine
  411. herfection.vin
  412. herfection.auto
  413. herfection.car
  414. herfection.cars
  415. herfection.taipei
  416. herfection.cloud
  417. herfection.bet
  418. herfection.コム
  419. herfection.mom
  420. herfection.game
  421. herfection.vip
  422. herfection.promo
  423. herfection.рус
  424. herfection.group
  425. herfection.salon
  426. herfection.store
  427. herfection.gmbh
  428. herfection.ltd
  429. herfection.닷컴
  430. herfection.닷넷
  431. herfection.cx
  432. herfection.stream
  433. herfection.tube
  434. herfection.gdn
  435. herfection.games
  436. herfection.shopping
  437. herfection.shop
  438. herfection.am
  439. herfection.doctor
  440. herfection.网站
  441. herfection.ren
  442. herfection.blog
  443. herfection.im
  444. herfection.bargains
  445. herfection.ca
  446. herfection.ovh
  447. herfection.nu
  448. herfection.gg
 
0.0072550773620605 | 2024-11-15 01:02:47 | 7ms | v11 | ok-50