It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://189026.mit-edu.top/post/3872195064

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "189026.mit-edu.top",cType: 'managed',cRay: '9107b3b438c0d64f',cH: 'OYTIuAuZhc8RbRZwtBT1eMaJEyQptjo.zDykL8VcD64-1739312172-1.2.1.1-PHObsWP.TQubUaOmxM9sHf1WYBt3o2mmnzDkUTBlUZ1YKmsW_pEcELZPIzMy.Xo9',cUPMDTk: "\/post\/3872195064?__cf_chl_tk=cFbN4a6JmsILQkR_AQP0D_gyVdEqAR3GdNSzXtqyl8o-1739312172-1.0.1.1-byPenAovmDDnGAFvNRg7w7wn3cIwiX7Nj53dn4H7dHg",cFPWv: 'g',cITimeS: '1739312172',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3872195064?__cf_chl_f_tk=cFbN4a6JmsILQkR_AQP0D_gyVdEqAR3GdNSzXtqyl8o-1739312172-1.0.1.1-byPenAovmDDnGAFvNRg7w7wn3cIwiX7Nj53dn4H7dHg",md: "tVvIeFK4lee8InuFG55ojcaK8.ttInmMghJ87.bjDO8-1739312172-1.2.1.1-4HA7_wWmGLQ9SkZVNqebjsg8ce7gkneTC15vMpucM2EElQKJXRgL_m1vJ8kgsXVt3wQzcZrPX.8S5DGP.cwc3mXP1C1yO2pvNN6pNuTWuAiBAHqgPV4i4Mi8Pa2tuqgw9_VDJ2EPaBMGoiY.7g0K2x5SEn2gZHDMq_TAkub._LhnG1sRWQufY6NfMU3J0HrIsmHUxY4QaqcWf0N7gAoOuX1_tkiw6rSsEj5iQ9qbGaXRpVrB7In7njv29AYApVCYTSLiSOtRnrQ2q.vFiTGzfvnlZCtcj9pmo_geHYwIlCNyETfxat51idvQaF8T6Jx1vCEW708EfeVCgsefVa0cJUH.s1BAg.3CIXqfcSSUWmlTG_65aZQ.PbskGkqBtD87BhotqgDwIA8IHCyBByX3oxojwIKLB59e7cCH2aBip_0yWoRp.ayu3sgVa2Y2y3_ZPt8tRbprnZgbyBnrYiYawLAZFBUPUFN.T65QRqMbNlSzstUIOBBi5cyz2.mrRP7mXMqdBqTjlOHc8cQ_5T2bUexsk53bqnHkXc2WsOxPszL3pz16cYuV3sxYiq_nkmH.kDnYqD6ESB6NIshXxQU9wq_uCml7hQa5NeEojwWcDwNTXReaETQxapq9y6yPWDHS4KcVhHBT_.2kKEKEEA0iCzR67pzHP1IkSgxLqCtscHRd0._1KLfdyqZrlq96eZ1b3Lfrj5hfhWaHxvBCa.MrZYvG6wsdSOlw5UXhPZXJbTyUvx4I7dN0N_oJrY03SKkMYvRTSpE7UVQXV8RwVj7AfB_FL1QeHLZcg6w1ZOrrtp1pu0jb_y.AK17enDFOM9An_quXmMkA8dFNRVlB0nA.5XtV7XPZ5pdYIcXI24_Zu2hBeTDoT2bK_aG6ppwqQ3i_pUT07fuHRv9XZszhzANa0sopPdxRCvNyV_HtsY.r.2rPmh7vRH4YrqPQy.HiU_aIGzgQd4VCL0C1ck80oeiFvSCVGUr2wd2DTn17Fk.oftgNdRicejt1eE0yHwed7tHXguDOkdbS.H40oD3gDGlhJgpr2zHmkUhnPlhoS8yWHYU0Ymmafprj24bF0mzZCO8m_YoB6NNWy9RgF_0GSWgpeSqvuSBlHYZYcU52UQAwiT0dj58mTFZYNaFy_lptSyRXOYgMeYTDrc1i5hF8A9judMVcw9Fp0UcOxWNgMyAH7gxkcp9qIjjDyDgqW_SCWXEkXO7u2_P9uUeZRGEqtN6DclHqtv.YaMD3_OfyEtm58D2Th1PDFcvQcVBErDw9ijnNesf4b2NgeYGX8mkE6MSQLCRyRssAXooYtn7NcA1Vi4cN0R7xGIoeYdr.TGT5zy35q3CB_bmVwo_ScMm7nHVVOLQa3MH6HPPlC6ihBAtBcgCWRKqP37jbnm02vODlIdbqDNHiSYphhNlJ_adM.IfLbCR.aO3aqogkdKsJcHEpxhJuiciIqv7WDGiecaTNHBGe28sj3DyF4hf5OO4gBoZm9xGEEiN3uBW4y4eMdV5jrX1AubFtQxzkVG5ZihPWggISmtrGifDxMTM9wr3MZOQalrD5bqym7_uSA6x.Cg9EzaPZchXshhvqgCkbdCrMlg2hKYguo0gDY4TMKFzqNJc09EMD09xIiu1DhiQFgDJSKQHvcMftmFmlKmiS025Y3.Rggua7iCAvI4Dw4QbNgUrotPRg6w9DPxwu1zqB1pVUK0Y87kwB0mzJ35gKBZ9Y59otvYqnTcrnWjaML4twp6dxWHAyIf7o20nRikHyJ9zFJ3jRix.2FuMoNCXKdtCbV8S1us4ZiEGFq9wU0f9ElZmnONQbST3Np2f4xC3zB7K1fLiykDBj9mtsxyAwgei2WyE06Nv.gZIjvotVWIB.p2LMCpSb9Ko98KCgq9ptKEfTt3uRxfT7yS3gZXmeVk5GwA__YNESVVPnjsNwBe86U_OixDa31Q34eNK1AlnTFt5B.st3x0ZayoxatwSoxrl9eMILWf4.si9T.iUbgunrou5_H_D5L2ErbqZnwMz2.YcgE6QBwyFYWeB7VxiEwuYCR5Up5vKJS74twT0p8sQCea_CSF9eOmMwhigaFxUwo3AgiFXqRwJWoBDaYx1lzrSj11yzSFbt0atRuPm3pMHYsqe0uumSRLoLdnJcKz0Pi5Ko58aqZ3G0.cb6Nf9QGh1OGQ.nKNWPolig4L_KN5cHOQK2Ntrd_qKopP5WH5sjH1j8shM",mdrd: "VTjCxIm.bRm6UuLfe6vwG076V_R3KtxPoKFJoY7hPrI-1739312172-1.2.1.1-RLVVLFIN9E.h71xNSZB1iVcGYty9XN8aLCjdqOfTItyJ0dUvvXH7p84.ac7FGq3XSloLEnFy1uPn1sFf7DSGk2G87HJOP3zdnNAoLNDJ7sHWTd3AvAGyiTCOtjNGMR_.GSur10wSZNxMk.diNeHIKsrSSutQVUAFpLSfUltjZxsqiVPsPamjgd0K8YtOPvQvmkKgJLh6YhROvIds3rslw..kTF7LtPTU38N.fdrr90IE8QQRKQepjYXwMbgqPGwjEsniry4UQE5UDIz7idCe9aOL5iOvfKs4IEQ0xH0Wqbh_o8Oo2lH7c8AfWg0OC66q32vmAvLPd6cjzUll7PYdSOQBlkJbhQntupIM2v6geXLZxu6cxUBYWPC9YHJCBCu7sgeSXuwuKe1tJcWdDfoNjBDYi_0T9ubcGBSvH_OSN63rOWQVVPq9fBy4ZgUliR3vmyB5BTOtodu.ij4AFlhyfyXIwzEkeVCZxx3JBvYOhfbuCJwpHL5xKnC0CZR0p5wcq_lR3gqi.Esb0KKO9L.FxK00DBMRjF2gKlaKB8cHvhCScIpqTn2LX_4APqCSaChFhftdI97AthgKCc_eiOwh5wAeOUItgflxLB7Zvj3mQiuuiXl.ATlmt9OXv6k5vqC.gteCuLyBGXrWVE9XAX2LrwM1cjOM0e.CZYz.m8EuAjOK0LrwoaEabe5dV_tRu9OW6dD1WwsiaKkuEDQhkuJTivHlah2ArO6i21ru4.rTPB9wPIR3D4y9RQpqbI4nrGcR__KQvC2.BZKFaldws4w2Avc4V6onL7Ua6JB_PrS1h9G.U5fQpMVrAbFyKXIqV_Mmk9efmRy6SeVPmT6nilOYPEuW0g5IBcxzReK3P3hkyKZdQqSszZPyzOT3JJAapvkPySdiM1X0_ZHEyugjlaZGqFvoDj3Z8dltB35Ug7cyqwu8B2zAxjvfyVAJn6dHhWvruz6FufNtZOk6Si7HaOIxWzFC4OH_UZ4xCNuVhe82BhYODL0eXyqCAK6OQbULVLXzwTC2ZPkMoQkEPD21d7YXCqwAaei2HBTOS3_WC_HfMr9Wu.st4vkxvqgjADcV6ZIkOvZORrkpb8RGXoJlJ1vp9mAUKYPIQd2b1N5HfCrWw1yJHgfhBS6Ar7kPcWfrxVPUIyJaj9mzbQQHI417GWeCM9MFBVmXMn_jFMnAOkjNTiL.XEadQiD1mHOJL3_TJ8CAqtiI7.06bodcGQcwvpn8hSrEhYs7XYjksC8n0xuzFtNaL2JgL4lW4J.1AlcM_f0IIsMADfByiWT3aBn49QUQfvXkpRr3fP1fBb_xPyutntiUnJ1l6_n7496fd7R5N6.sW25dzM7GJ_TwBHC_heisTs565O4eLVK0OFlK2QeaADGHVqYviJsgCSD199Eh1TEXtrtJcX9.0.Zmm4iGE9I.uaijvNdQ2dXGREyanyDDtQtEMGtrcbW0evDb9y0qthUPUDeDI.gX9smKjvPm64VuEmV6OGhYN.ZtL.apAlbeLl5Fe1mZ.qmJZF_JdW0b06xpDwN_KBS_Q9odivYIv4NJFDSh0eQdGQ_Ik_6W_gUW7xrIGeMIy2na35F4n2VWolUFbSGG1gINAGS5DVjeYH2ukyYqorh10IUYudWZnX5z1pWkVaKxgeWJPGBaNnk7lM2xlj_OGgMFGb_hJbI2qi6d8rRjelntapovdDBxmvkylQzlzlTfMaAmodZwt8mJoaAgVDaCrBR0nwYtlNMJEifq8j.WEBdwjSq9WWRz2030X9Rq7MzSTE7CDn7vJ6A5HmBckIZggebVtihy.LWjWYkAmA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b3b438c0d64f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/3872195064?__cf_chl_rt_tk=cFbN4a6JmsILQkR_AQP0D_gyVdEqAR3GdNSzXtqyl8o-1739312172-1.0.1.1-byPenAovmDDnGAFvNRg7w7wn3cIwiX7Nj53dn4H7dHg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda