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-affp9lhdp.mit-edu.top/post/8645172930

  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-affp9lhdp.mit-edu.top",cType: 'managed',cRay: '90f36e5c8891d634',cH: 'X63cEUdhOeTAUhAHLUGqkmPPgMGTSoRcyNqSxeN4m7E-1739099616-1.2.1.1-K22YJY2WThD4nY5VcGFqGhuImOm7uc7svmbGD1hTPx_ypr4a.d9M0FjJ9aC.epI_',cUPMDTk: "\/post\/8645172930?__cf_chl_tk=nArXVT0hm_9LepQN1FgtCapumtEMtuwMprywOavQta0-1739099616-1.0.1.1-UoGIAoZHQPmK5dVAqvx8jIhYTx35e6GKxFXpq1F4OgM",cFPWv: 'g',cITimeS: '1739099616',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8645172930?__cf_chl_f_tk=nArXVT0hm_9LepQN1FgtCapumtEMtuwMprywOavQta0-1739099616-1.0.1.1-UoGIAoZHQPmK5dVAqvx8jIhYTx35e6GKxFXpq1F4OgM",md: "YOlHOEEJOk86q.UYxQyMrA5AOpRujApARgKLqVkb4lI-1739099616-1.2.1.1-LDYKUMitpdohZ1fVLwSbROad46ooQUanOo0DRK6p.jtc90nEL5MO5Xsrjg.lAoWRRev66i4g4cDJsUuJSRA92flN4865LsQH1NStaZ.BPU9IXmXjbSV4eKu2R40Pgc1NxLMefiVbg0GqpWcWMiPLMHR2sN2OGCY.LRKyx5B8QqYHv4cxdShFITmZDjFVwXY1Kr6X8sakLA5lR59RuGQgeq6fgP0RYU79vLT5UecL9pdRmfe4v1dil0YgPU99Dpq50Xefv.onflgTVehJEjpPKfYWl3_hKZmqnMFW87qCuoT_16JB_k3Jzxgxilt5RTlgk2f_E2CzpifMSH_9IIUdga.Moez8TGJg7I2N6j7RveCXfpRK.Mlfj1vftcLuQzwG8GjabRwbs3d3Ax7ISqgQA8TSCbVu9YTcPTXvv.KNsLkAdkMi2gDOGPN4QRcN1ks9D.BLjOqKF2V5crPmdtM.ZHAAU0fgtS5doSSRLKrKXKXAuPypBkU339sO5yBd0JgEnuA3YRRgq6SLn9vuGFdpxBUpbpOFQ_wEmq8jEbLAGjNqNZBe1HO5sMNFRHT0f5TXcIx8HfmtWaiuX_wqzwzHw0z.ukw5M1sBRkVvpX3OxkQLmCGQhUIs50XSV9VT3vrm4tsjYyhbNq6wvhi7XKaUOH2KQ1QtOK6_jbRSlaP3H3MSd99k9mwBil5rrBX_vQovD8EPkpumhxERrj2Ryvq.A6mvdo0YTQHZ3diCUeb5iRj6X5vETzqp95Fhowr6mHeEYTEFv0kH_xChKFOqLb6C_lKD1taLN5o90YrjBC28LXvVkDfUCv2BQ5t8YWRurwZFwbl2aVYZs9PtA7VmO7w_DK425qzyd2gbliHdR107_.SbrFFjZqoBz94rzX7t4.6pmlS3KRX2yvcSHI.On9Qz1oW734cmfK3OwMmglC0yoE.RPBpuUp_eQmqQmxRvK.Wzv0N0YQ6VNInfBqw4.ZM7BpJOCFHSbBldWgOQYkbAJHmTJ_6G3iLKktbcqw99XRxF4_1YETIVo.b7AqQcAotlxmk_DZJeuuAGLSxYKXXtTQztfwY5AnWX_Qd5YsuPg.QsyOX76Adb9dvdL3pM32LuAwsq2LLCUYAK12soSj1K90eVz00vwtI3URyjgQX9Edi3yx.9IAg_fjLAzc4foraeMKIGPlCG40E_u5RRp14wP.EMC4zK_ATjFaZZ1qV8wBpsJtKORcxJ20RX97CXuTxKeilH5JjmFhvuCYCr0aXAawoAU5yhjnxv9cExHKV8y9O8Lb2ZQfwMtoQP0B3bpxH4hcydLTQdkSJqiUu2aVv5BJ1125QWoJbv2nzxLyFsKa19rDO7OnOV8S3ct519DbrnzCpyvwdfZ3yP6d_mZ0THwlmzThEUJQezzFd7q43AdNgIbOdYRt.ng0Q7XagzuMVXH0c64fVUIaRLWRjye21eUPMgtnn.GuVJPeYRJ6yMdh7Uz2EkMT0WYDM4sEoGYO3QKzeFaOTPPvvD7RjqbvhhUT56cHXt6UJuG3FlOT3.bPgYHpREy8zQFOc86DVTK2PM0N5I48RoLRp_aFX8uYhYkVf.qI7.H4UoBA2er2ND_EGGPM2PSRumKZYY1flZODJhRGT0glez_KQSeuBWmBwNWVHBZiG_tPOzfx8vXOjfh0aOH0DEz3ZDBMJR8TYJQuqV6F5kBZ1_H3Z.kw8FQpf3WHp59ZFlJ9mXHCzXsd8ZCCBV719FTfJTTJE5zlelN4_VgLf.bpFqdonERHeHabK1Ky19ibl0vtd_Dr7iYNTaGnzkXWJixXIC1_9jRipfCX535AJ31OVIpfHmKiAeEABHeumeZGou8r3D0gkSez_jJBxNEy43Pb.VwSQVM0X91e.wymPK_eFwaEhOC5nuugImOYVRW842s1kODyxJlSSj7pcIuyqEcF1OgC9T4CqVNan5i4KAnbr16tqjxYSX.Zt.2aTqzm63N0wyD0jZnSfacnqg6Hq4.yPWXkfg.CE46N_PtveBMOkvQGmdIz06e3LcGWAHy_iXhbzTMy_rAmyQfeLNFld8B4eFFxsaQAvP2SvFFIptSN3DpCaUJaKxXA5iB603g2jFzhjgbD9yFnAWU67sp.WlFTw1KXh_9HpxYwpoXBI6pfPCkzFIj1PCew2fwoNc8mx.2Jg_i16RH.I8acJbNI24WeDn36gNKpDT9WiU2T4mF7fnBZQn7duZEEVKP4wHBx3YESH.atQf2mT5l.mG",mdrd: "_6m8EhD85NJ_e8gHmBjkMBfweB3CdmDf64Or0FSmP6c-1739099616-1.2.1.1-GRbUjDH_w2R34o.O9v_gCG9M8rsyeEqKuyD5EGk8GHBPhjEAhWhAL34oIyjsrWV8BPBwp_OFLxXhqMCKxlA0ijS21B2qMiYFEGxLYx426tfDVP72cH6JyVJZOuSvcAg_GZvEflc.j69AyV.1cO7762q4HRbSxF4lZkWdwNP7R1MaxzkW_UKtF6lhQTBDJTH8WWH2tWwnHLE.zE5qH8eaSBnZyzJNJuGjy85k.ID4hzlOvmijfIjFW9Hcg_EE8oClQBoEGmJOpKW5FrcacY62glz2LTgPkrKMmJea50uUjuwIrnbDXXrHYHOG1JbEDzx3uO0Z4sjpQ5xuDxAh0XmCtWjvDY6WmqMCA7FYkIl3Jfn_rZpGWYWS6DQAThhjWprettGMM3fS3zWz3xJXM3n40VyJRlJh783aHo43Bfi58uykvxTOXmwz5lnqxSZiZ_fJ6zEKVjpbzy6rIQAIgcCjAZQ5e6J2zPgEisCMRVH7Evv3u46hQ8hE.ezv.qA8gjYZ0Fpg2f0ryn.xvQhJVm3u3lYmeSGlPM0snisej6eoQ653FEqf2PuUjgN7Mh6YLwFOCQ.Gx5f8xOFj96R8Zu8CxWPbGb0hzTxFtN7LB3HwpaxoKn35Tn_9YYJNpsA9_xSDWfiDCn4Uh6Y9Un7pMKi3UnBLpujTnnpj0GkvyrK9U2xecRMlwmtTnsMjtHRakSGqVhqvMvrQat5ZKG1gUk3zBfSM4UjHjjs_JvhofllHVUMeADWDmCYveIjj8OLJoCazsfl8HXpYnKMGfhvgKH4UYjOERjOdoJluYDmmtJaocRujWZdMnaO2m2brBQ3ZNx2SJqV3mAdqP083HeChWMuOwhsSHdUEj2Lhup2XWj4HWQb_WYkx1NiIMZEskpU5RSH9vPTl0zuZfT5UWINWoyX6ugbPQ0n69GM8CqTflyOfU3CaqfVOfJXv7QUQMPVOIXbsieelSawmkfIVDCmmcJxrhqT0RGrD1lJrBZIgNbcYGZVM0jMWrm6oaTDzgcyOYz98dSgFQZgunXLGSCoZkji_GOqBXiv8Xs4CScBY7Pgxp9XxR3BomJmL2pXWIhzu25n6Spzjt0zd2S9DVTrqXurZ62QPXzrtIV6_PNrqjMo4DZwlKJ6O0RM0emCtZppZ4VpU.23QvNJkXH3KKTvVCPOUFETixre3poP5Qiz41zpkdpdEzEdX7txggpjDDCbx9Vznu_Zo5E6TseHypzNAq9yHtbrVYuWo2ji8.NVSc9z6eYXbBT92M1CV_MlcHI3C_YyJ_FcrZICH29vQP92E_78P_hSvFHplpZ_0bxDs6FxTCMoO51da5zUmNOi9VBoIAnoA3RoLKMBEGM3AL7yQVS_OIvAeXrIuNyGIbcNsfG1LvrOEPLe2MIL0rhMBNbRfD4bDVQYXC12OLSlQDu_LsmszB9jJvqGrmOe_Cz5SkjFX6h_ayncMHVZWK0z138mfRXyJdAz8drp1KJygqf.N1Gqt.kCQDkuANFfW38rxU9IL13vSagv3N4Xd88r_sydoYzAm5SPa9h3PL42v_T9xWuDc7qV._wj3o_R4vhmqw30oPWA9teVMnn7CRg.5gn9_Qa3a0ultXQUEiLm0FbW5h9fMMRh2q9MDpTS3aoJxs3lG1g1o7ehwIx_P.2yD688UbOW8yv1f_..TZGDaoUthlQmT1O..1mCPadcJ5pxZlM2Q.XsdvaY_37soJm4e4t9e8wItYTXj1uYEKFEK.PN38jJ68NWDdotwSiN_Ds2bSLVTxQX6Y_LCZmGsChWjuLgJfznynZ4tTw9WyNnfAeTvHDEF6w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36e5c8891d634';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\/8645172930?__cf_chl_rt_tk=nArXVT0hm_9LepQN1FgtCapumtEMtuwMprywOavQta0-1739099616-1.0.1.1-UoGIAoZHQPmK5dVAqvx8jIhYTx35e6GKxFXpq1F4OgM" + 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