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://blog-affr2sper.mit-edu.top/post/7694081523

  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: "blog-affr2sper.mit-edu.top",cType: 'managed',cRay: '910f784fee88c990',cH: '3mGDvOW3JNwZVRaRPhbHWxxpMaV7i_rcL3yDijXnlbo-1739393625-1.2.1.1-M5gno2CTnp6W5ILuwkjKbUk2TyGocEzGNvHAHKS1iwFcXPvlz5no1vTXhpRMqLQ.',cUPMDTk: "\/post\/7694081523?__cf_chl_tk=k7wOruCGfUQbMGNnvrWQ1suD6dInU1elqPz55g235hY-1739393625-1.0.1.1-Sf5aHMDTyHbvvAuD8u6hlNvMNu3Yre4C83Wr8JhEXnk",cFPWv: 'b',cITimeS: '1739393625',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7694081523?__cf_chl_f_tk=k7wOruCGfUQbMGNnvrWQ1suD6dInU1elqPz55g235hY-1739393625-1.0.1.1-Sf5aHMDTyHbvvAuD8u6hlNvMNu3Yre4C83Wr8JhEXnk",md: "2D3EcPgJoUTIShc.ylyjCf4Qi04hrC_QPjq48t4fM8Q-1739393625-1.2.1.1-N8ng6Hcv_60xst3Ys7EuyfqS_rglHbF8.OysxKthGd7Iafa0RqyK6ZVjkOAVG19M8iX.ik4VypbW.fVnBbLKC9A.YphXErDnXC5.ZRvcktdGX75ZB8aTIjBtDaj1S_7TPX27Z1QZKayBFysPQStYS3W4yBO7F8lpXgwPDIJSmd8e6E72Ll8l4ACwiArznREvA2LvBI3FMUaikuZczaGtpoqoWQ3zNUP9nsNiB8d6HjhPqOv6kkmNNdwYyxT6ltCnPBSWZG7EstNJwR8iMydkL1IOrkqWXWrENKaWr69v9T8JrJpNXbbe9AhY1x_6UDujUnQL9gXjN8jmHpH5a2lv3pYcKUihb0g99nS.NVBhWka3xFzwRrImrEf8wLGHrgckD..PVqLPt4zaQvHj9fhjIjdKJ4mPCt.To0DyhpGGNd4TRI2P50eWtTuDZTHrM6pkpmQZ9Qak5V2LPAY9qiF91jHF7T99AwtBjDPWlnZK8yZKCE2NfHoxh2jE7gJkrtDzmP0Ne14ezrM4o8475JVsSNd7LOOa71he485MNSDs26RW1PTYoXaGZ4na0SS6IW3o2XDEKJCDnXplZoQwvjPPnMs4T3wGmsyqEJjvggRA56cWKBFzfU2jfxl3jVdZGYDOB0k_yddIMXbh7p6.j4mCWvgHI4g77hJ0E6mvouqviGF44RnwfuJRqbxCGWzktoWV0eJ.Gg6WX_fm3Vy5T7B0EREPYvHUN1HyZiOAf.kIj_EdiRq7Nlg_4nXS6VxmJVfWmATzu5nHtd70xMetd9wzUFr5Zm2_suRozpt7BWkvsxVZ__Luue4Bn.iUobhd6TrQUQGUi4Iuiz2VwqIxgm0lrNcyNNjbz4ga2Zrn9bbzoFE_yJzS4Y1.uryIPMYb9Eizxd7CK4.oYc6_uIZtk5Sl9c0lGPceh9pm0K9mmWAqg6AiBXSr9IXIRo0wPx7amKG7h5Imkul0oNIOyTQ.Ci1WM0lZ71Pf9i3Imc4YhninVnJAASpADeg1CayHeWTZsjFy.k2cH3cnvX72_uymqfJYzwIgJ25ukmEDx8dXsND4YjKVYCx4hG7BnsLodyDKX_XR.dEMyBZ3rAjAF4XRRPpIPjzAiNWBELh9j2N.p.MBSQNJ0vS3CkB9xwoXB4NKgL6S8uAmj.94kLDS5LSTU9lNAG7vbkLjmeWa.Q44azAhllV0pdkdOKEgxfti8C8xroDzYoSN9E60XAaqBMUQjdIQwnOkNtoSw79sHCic010q1cyAiYiIkNRrxKhHQv2jli39LuIueJi_mPb_85lita24Il2LhDGztaJi6A6VM.owXD5ndpxL7x4Bly3gnr7ER1wOq6pusm9yX3BEW.9Qbge2zFLw1yorm0CJtXZc4Q6f.GAsIrmbiv8t70LpXSMgsd68U774dZnRNwJsvx4uPyQPEOrVZekDiTZ_VGk.lMjVgX5el1UdfZ6RAAa3Y6GTCvgOBhs89t6uTtc7mYUooY_hkH5HWlmjECtWDB17vPbqwflVbh37zjVJ4D9OAqtziNISlgCerN72R__Fvba_giCpgMAb.HtoeRT14NxXBVguHKJKsoKr7mIYJyjSt1jFoH09uHOHXmzW7HSErC.2pQQ7FNwLmh7Or1a1mkkpK8lMCxt5X2kuk5ZhOxN73rX0xshQYf7LdkFu.2W66x0PSx5TdmVW59iCf.TJYIhxMN0ChN7OCxtqAOkJ_9WZaTPH.v1_J4lW8GsYC6WTZHL.Dt4RZrqVVuysn7gdnwMsw7GwQz97G95BVG3EnaVSFwmrMUalRDrq_KQxGmlf8eH8RWNq1yTE2eD4jiOUpOBEQXuPANAvA.KwsjKg9qP0glGciXM.No0JIejHUazEeSn7pt3cXVzz.8Rb_3ZPiBm4ETt_UNoeD1HE00y_wVrrWPDVmn7WOSO69DfjjOhXHc4aXsl5kV9iADYz59nDUaQs6vPxfPIiTZ_dyO66ndJ_szx7Je45fbVsBOm5urFWwsCygFJrs2wHJe.WRfDLS6UpOUhBZpSzCXp3sBl5.v8T_vII2MHwY8wkswC_bP3PjoSBRO8Yc7UHR5SXMXX_z0I6AB7k2kofdEfXTQFXKXnWCC6CtvrVxn7PXvDdtWhFKsJu_CUgkItRFS.n3mbJvYOT0vOObiIqKlwNLBGDHVGUj47NAYPUwFwoMOn9KushMYCDDfNupRpXRkkr.qfgzJRJj33x3bnNaUeIPUAsyBZwzOokupf6",mdrd: "VBTp9NMO4kH5_pCl404dq43n4Q_Cw25u88LBdR8nZC0-1739393625-1.2.1.1-G5tv8l8_LalmQWX1GWdxd5XlANysKlwHVraxXlWYVYZBGg3gsM.ARumJ3MdaYW6aCIowZWs9ktJ80dE__MSRsBzg5F5f_9Sa6AyYzX.CagCgTwFiOS097CC35X00BO8rZYVRXvmWldAFmrP0CkhCb1_gfPZ5g4PhR9xwYFsovNypNyNoCKIJLcBbcnIMJlQMUaNWFM4RWIZm0_.UfSmcj0W9DgdKwu15CpOjVi5eWKq8MIg9dGIVI80aZwNGVAoFkcuOVdOmUnGaI3qVt2j3Xe.zBZMfUrtZAGEX4meYNSYggw.itEuPiVKPWaRgeOt8r7cFiMVf1tt3RdDxtPZAdBzKQLIKf2P2R8vwQ1HQq6hAwb4PMM.AUT8WoTmP58ojbyK6y.kEVKCdEx96HHYCWO_IhdiGqLSOZx3hT8aIt2z6fsNkj8xPjf6JbF7qZ35pVyDv2wkRcJ01guWMEucCICPxl.FhQFVQPVwWqrG.6f_q5UVE5yCE_rj48D4s8nA_49FI6.9hvQxNbsy1MkM8f.1aToqqzJ6g9ZWmr88H1ifPCxROb1yFuzh2dKdwEAY_4Y52dLxFoJlKN6JmjUR1.x7S.RPEH_7MrK0Y9bFgLhxSEs_NFYdJqjYBxUdcqeoXiqpV1.Xg06YyOx88CQSZXAbNw9DyxWJHW98LjHpawDIqn71ILqG8TxUpHgKAI2RDoodeVnl00zrwlg5nC4jlyAc2AP0VqvH3hUC3GphElrm7UH9EczztksxnwzfzQUcRr5NuPSH9_S0TSjnZTpakwcpns2ElIczRmF429C78PKyQXZKTMTsnSxeZ8Ttmbf14noj_U.iajk2Qn1_jWjz2x.BF6LHYrUIRyFjhakBjqDveJ1K_iOGoteVCqLrObOwCasmfA3Ll43_vBkdavlg7OSlgOqXHrH_2SVbBSSD_Jc07M875osPPSXUoLQPn5R8FeeU6BfWb4et1i2hSxHhvivLEAHbshh1dc_AZCJapajR8Y2dzCYLuy18Y2o_aaljKa.oOVWfLH3pOh_Yff6Gkbo544egPIkrhjCjBGHbskLwItAWVGGkbpfQT9DmX_Zxp0YjvzMYKrWihvTSw.WiQSd_Z3XiRtM6VQ.dCXNTV5waCezCKNOfmPyji8E2YtWKsrV6lwmfmEAUZ3V7LbDw3cDdQxqCFL6f5v96Udqkex.9n0AhxXo52THtJahdzkU8B0cXYOwC_e8nWhTPvwieJivXPqPeZ7klN1t4W4xSAWIfsnWGx8PSoopxo7PCgyN8Z2va7oEpnr0ScUM2_YFuMvIDW6g9ucF6UliB17i.WBVAXlhwZlsyQxblpyxv9c_9b21iJbTQjUG_HC8_UP6VC.N_LdkWcWkACeEJcuk.6RrZ04UhYq9vjvZZREgPzZ4KgiIiq5k2CHBlCWjjWpSJk7kAO5pkhkL0fTGtxQuv3ePXGsUFW_WLGdP1of1rqg_Cxpk.6cX_bgv7M01Z.nXZ3S24oiVUqDu2WVQNlZ1RYPFcHg4cAqnDiICv0RR2wuOxNuBcjUiinzj7zlTf2trDH7fFa_I.wQUHOkjuWlVy8NOXQRle4ZB_sIcbS.BM8z4QBuZ5i9SkX_V7fNPsd6mIG7fxCsJBDkKOuMmLfha.190KYB9CMnVt9Lf3DE5bval69jp_wiavWmfnINGiJB_n8kWK8rljWpKLfCL3wfAmpZ4f.etpD2Zx8i9BHYu4I5UWD0gO56mnCWjZyq0_moW_oIh57Nu570xZkqZp0ckMUywylTIEFiAAECKhGSgKdVcDc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f784fee88c990';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\/7694081523?__cf_chl_rt_tk=k7wOruCGfUQbMGNnvrWQ1suD6dInU1elqPz55g235hY-1739393625-1.0.1.1-Sf5aHMDTyHbvvAuD8u6hlNvMNu3Yre4C83Wr8JhEXnk" + 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