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-489207166036.mit-edu.top/post/7816049235

  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-489207166036.mit-edu.top",cType: 'managed',cRay: '90f8549d497207c4',cH: 'B1b6YSqxysecO71lqpoPcvhLSKSi5ySKRDQh7Wm70BA-1739150990-1.2.1.1-YpQaErdJs1jSrYz8jxFlORjp901ELMwSJoHP5MK1JKG5MSAy1CYDh21zV43twdTW',cUPMDTk: "\/post\/7816049235?__cf_chl_tk=Oc_58lVbEtS4KEBYc80Jc_pGXEObnAwsPd7px8NwUaQ-1739150990-1.0.1.1-1K6rqvGgymInjYWWauuS.HFPXYfVhyCPQfRsje3oC.g",cFPWv: 'g',cITimeS: '1739150990',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7816049235?__cf_chl_f_tk=Oc_58lVbEtS4KEBYc80Jc_pGXEObnAwsPd7px8NwUaQ-1739150990-1.0.1.1-1K6rqvGgymInjYWWauuS.HFPXYfVhyCPQfRsje3oC.g",md: "9tsa4Ghge2zdK16XOp.6c03O.azZaT4XBb_WBnxNIIg-1739150990-1.2.1.1-.bpbKQOGFPHQAahnDnGIiG8qgZEU.RqBZXaezwY1.sDTrGLzYmRps2BV9Pd9BLuQ0gtz07EFB2ICSpwOfvR4Z0Z0s4JgSzLeDMuDvYueZxzAZpS1jSqoQWZweOZ3BE1N.XwX3hcmyjo5ow5h.QDR9lZ6WcsNgYT14qzc9xq1rlsHciWibum7yTAIdbimWwHiLmAjGnv1b8LmoO6yANIfHH_plnsXWDOacUhdfiCYx3Cateib_nYvKyo0TGj20PJEjFrPDXhQ_8iXzPFUhET_4p6IJDZaJ.bUuMPI7hyp9wMA.aJmEiILcqeE6Siz5Q9yInuYqWu4iUcUXg4fWbFxINwcZCPMy3xTJ0zfLlYl7Q0kZEobMdumkfvhdSqpyze2wuHQYG43m9HbURJQBPNmskLKJ_xvzhjEVfvD1r6vY6wyi7DwkVHoXsB2utd8lAhHq1vyZD74kbazr9ulZfJbcbKpqv0bczi_AUA3Ft8Ka.aCAeE6dKB65NIhYu6u7gshB.XckA6Io0Lln_XNEpnP.hPGQBIAs2sGW4JQzLQpXZsCAYLUu0SzezenysubR6xZBiQzWLemnhsYbQAf9d5vO5_Y3oMGOsiTNzrQk_qnbCB1H4QXOsuEuwAGulbkZtfcLiS.8PeMWxoebasnel3nnr3tK.1aBa5armRVcZS3ksrtXB_MpAEwCy9TTfmfgXuzNS3Dg6Ms6r7RiGUIUElKtnytlCVd5IojT0WMlcIAxMXHoHf6jl3.uWIBRvKdkzHiOk8C7rE20E.S2GqfsbTj.2F8NfIuu.OkkBxucQvN7i_.vBZfaHpgs2MIag8uzfcf6CoP7.HmlQHKkeD3Rn1BHPdpJI_UKARSjN7wQNZJ8CaWAjV1cA5pATthdvEBLddMu3DLmu0xhJ46nnRFM1d8Opc.i5smBYZWse1JM3YVuiScvOXGlWjGuqvXsVZD2bWpJqF_Ydakf1t3UdP7ycoaxeQmJvCqZypmI2gt8PAMgp4OF_rSA1QDFN79xcCyKqBPP8Esm9yln2J23c9zEunsGvsVoIVII.NwMFRcEUtbCF_cfSVJ1nShJt13yIAgkB9.Iwnexr_vVuDGMh6IVrBJBfE7nIqyae60WVI3ybKB8n89l3j5LB7c8EIDA3u_KJblX17vj9_1ZeXt67avRdv_RLePnYTYyzylTRkK8f89ZDFauv6zWVJwEt2DiwchNCIyRGVhg0JTRDCfjSp6tyhL35FJN52XDiNWYWx0PH_52nCY_H2hsAExj1Nty14MqTVdgA98a.MemzzqaZTT9ilwuqhgUN_4uHp6aHwPTf9IymoMCXeThJnFu6RD0F_CsYzo6yMawBvPfi.6c45a3oY7A82_mwca50cH.tcbK0YnpCmNOrln1SSiVNko640K2KjA52u3NVL_o71LPLO4Kki99QFkZdDi7BCejyLMwRJlFIsd3o9D6XclUXkt2tMCy5ZFsl.TqBKiu4igpqH63ZxrH5ioejUZxARhTR6tKg4TaXUe0OvDgm0zkmETmCEygedaSq07x1LQpBomDFZlirlcxPLkMOhNG5DDMpp4kS4H0L.ypCf7illOKcDCXQKy1kYvLBz23MJSK3v71M.jjAdr12rhXy7mNf28QodBCn9DAzhFj4TmBCcMyxt2wou4GFXj4VMqcAM0UUynafoWx0w4idJL9rOO.lzvV8CAOnp.TW9NPo7UTQ58jeDCUOsKVHn1btvlqAmdeCwROMqB3fF2r_urk44M93NtfTTjEPD7SXjVPJZ5A7s9eagobDAwyPRdMhvIczZWzfgQOaq10zhfqlMTjVcrwKZ6MsSYx2rHEicCFI6Vyjyns07qZjQgAPV2cWBjrbIY5f8jlEjbGjA2P7KUjfWCmqfuMe2.KXRshBSCs8hFFGS1ECVkanr_fCBNeVNmAtc5Pnp_l_m4387ve3_YpluIoBBwQYEEYYiTS8l6_fv.LB6TprHeNhHIq8CKo0JzkN1rETSaQSzCam4emOvHc2nq0ur1gr_aOhnpBIbVUfEBHnIBVHMBAqMjlx0cWSmADKzl8WntpPZyh1NwYq3zp36AJ0HN7GVpjTqa85AetjJnh2qsEAUmkgVNRDJDcSwzRaxE5AxY88sVafhlp3F4fFnwydT6un2EcrZHlGK6XWNWgk0gbddTXxyDypI1pXjlbFIczihhTh7B92zZ35tGj0gqAItChNv2KC4sVhY5mCgIaHZ3YE_rQRlhV4OK",mdrd: "3ZewQ992QAOA6f242jL.YwjaRN.KNqW.6G4EQ8KMwds-1739150990-1.2.1.1-1NS013DXTlLrEaCQ3gi0ct.DVJgmWgb5UuYKDyNabvaWoKB97_wKCW29uy60JSL4IH9LeAKk6NYFwI2btSo0o1D2d7bWQZKl4b4gL.x2VkPzU04Qw_2m7dNHUIEM3g2RcOwIEBPB1SUILNFNNN7pRD1ZlOvbUDpOFGryeoVDE1pDqDVf8H5l0Ti1YnInqJA2vycvidyTcsWv5EQqGeY05fTVmIJpLINaZMuslUao1nStw0yXv_lRmHtrpDJPaAT.UcCdEY35Ge.nTTXXNgCPyz0IkK8c6W_GDfuW0oQqTA.brR_gV9BO4qLRBz9Lh5F0PmD1EoRkfVGNIH5ibC4Iv1.nhk9phvpOzq5K7MHFtAm1UKEloFk6DKqacOp_RPkQuBnR3sI.OTNIaNj1qHP2svilwtTjROKPgAroOFNRcf1WGryuLobZpW3F5xvZIaPkolqFycqlNVJCkFcIGk8XGHBAXKGZxjVEfMQVVJrHT.DiMvI1Mhwmoqh_HRX3p12oOIPjvu5vK9gwxypvd_qIIAD9LbQgX1AXZNC.UXOgptp.Ok_2O0.hjZZf.t8yAGVbieSgVKqhfG_tLQ_Tp4d0FX66KKSHqs3Q2YUgCNAO.WaXIiMVmu4kye7wIz9N7q_TFvVPoc1otpO0unR5jscbXVVQJeiFsHOkAx5xczgKa2BkCtiP9QKxxrx5QZjAie..rySd4RPHy0kAqiQsCCosemIXnMSGf75c1CxzoGEkqbIFVLDe1.SjfoP3ffwCQAl_7aGM4_0rZGjDRyrRRui8LGgaoBSocmE1w7Lr1Q5bxFPm_UXTc6KKlyld3LeQMVOoZ5bsj_Y4hX_6VXAJ6lBHksHmGUxmvSkDvwbbyxglveAptm8gWODcgScpo8zgyNCgj4K0jUUjdYTtr8bs61Q3wRcuVIQ0LxMbjwsaIrVaAm2z7.ZEyZWR.Go.w1demViI8oK2kA8PlES50H1FsBCyhSl2ceTB.SSy5cFxvpwmKQ2c94cQogBj24Nc02erGYUQRlByRWFZYfpRtcdkdT8ZtT.5ctpp2N2Mb1CT1yjlFP_rmiPoCCn7HWgDZD3c66aMkXL7gGc.tXOWhlP4gIDEudseF3DcfG.9OIArkaVFJjgNZISgBLZqs4olpXziQDe45ttLH1UnjGSejkn4sHRvoRPErIWotoXdxplb5bFai9BpH5LF0eQFvBvR9H3KcqW6XbrshdBCiBwdbFWeY7lQZ6Pt0cNS_Gz_xH.4vfmv7QuE1s6OfGcoqz3S2Lpz5tqzriVhAZeRXmVF1FbT.RDrXqFvOJCAPjG7bppn7pzJlBsg0ps3XbvjZqiMLsdvd1Z6YeHSI9r.xkeRkjIAFJsMUcMupkGRuva8mL7hztPMftSKDhPjEoDO1yRpiZnl2LJ1ojeG5GKbfDLwiVeGDehF.ohL_ArQlo1ghN7iB4gN.NEPIFSZ4y3GKHNedCcPgrdsC6PYGtUe01ejAAIRCfugMXJyCIYxnjweRv0y1mssS1cg4M7yP5nfA.tllkAcWcdyU0JImVGDZPioFXiEhjE6eWaueA2Yfo0gRMgsMVchbjOrvyfy937Yo77A1XdpY3UQ9rKZOlUfSO_3l.3ZyMwhf61pTYXfRUVS7s84NpyfIU.u5q5WYldiTwZF6Dg3NQ_pAGvH3bqIPGxSs6yX0U40OZTanlp2pJ5tEcLdqoAh1diHH5JJ.XD.HOEMX_NEFuMDQ5u2zbjQga2y27Df_xKH1jh7Qdekt.JxL3vJPVYplQxFFpnVJ.HvIZZlr_LM4WUGM2MxkMJmHJ0BGL2Vm6p_lQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8549d497207c4';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\/7816049235?__cf_chl_rt_tk=Oc_58lVbEtS4KEBYc80Jc_pGXEObnAwsPd7px8NwUaQ-1739150990-1.0.1.1-1K6rqvGgymInjYWWauuS.HFPXYfVhyCPQfRsje3oC.g" + 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