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-affjnoqsn.mit-edu.top/post/6102349857

  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-affjnoqsn.mit-edu.top",cType: 'managed',cRay: '90fc9c0aab115704',cH: '5Wzep5Qd5sA_MtaB_23MQ3iMfQk2DEKTm.nYmtUV58Q-1739195859-1.2.1.1-QKqzPqYA.T_ww50A3V1zhzwxnxp8zc3Bh7tL0k4I9dk9UZtUN_31iyZmaAleAIFF',cUPMDTk: "\/post\/6102349857?__cf_chl_tk=GQ8cWdO9LhVoeZF808qsAGKSbWE1Sui4U.G1u1P2KVM-1739195859-1.0.1.1-3BejMmZD8UQpBp8mOzmftiYkpXsX1Op9zC1_ae5mqfc",cFPWv: 'g',cITimeS: '1739195859',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6102349857?__cf_chl_f_tk=GQ8cWdO9LhVoeZF808qsAGKSbWE1Sui4U.G1u1P2KVM-1739195859-1.0.1.1-3BejMmZD8UQpBp8mOzmftiYkpXsX1Op9zC1_ae5mqfc",md: "NGXcjskCv2Un09dBtzpck4v9ll4yogKF2WEJMwCmBDA-1739195859-1.2.1.1-Jmnb0oPd1ZvD4CsvYS3XSG8yRNDyG5WUz0gOCTQn1TDz.HMQxvzrF0DWNV_.pjV4LycJj5vVBICacwfdE5yvkg0vn6N96CtoUYAF1txLChUWK2fDV2WNqbXcyzJ.2Xs40dTuwJTLCWsA9M4bztcg3zhy49FWizgi4yDc7jBChtTDj.qhVkt0RzKFeOtgrP01AFB12.bID0CRO1D8L5rG_l40iQVIxc7v48NkplGyMDzIw2qj9ohQdOoij7HBbGBwG8l6DBWMG7UitzxziJrH3hGErT9MnW0_g2KRXkk8R8pNQ9axpMh.sanXx57vzK3hLw2Z.nWBOqxqpwsvX7JkmG42xUU8jrf8Vz56dWday4Q6I.iG4aHau8Lz2fKdyVHMd5r5rlU8IyOUzgu9KsQMynRolff.EmcfpdqP4AKWo5EftsVi6TaiHJHeDk9MlsnOKcmMjeqyz4RmDQf.2CPvuGXgLn.pihS1ElF.zEHPPdW37TGTk6rxTqlJe3a8jTB8W6usCzJdS9jTCtsUUA0L_HkRDsv9y.yWwBOZC71lBkvy9dOL1Qa7Z6Rw2o26x9p4SMiZQ3LmySAG_LAWxQFL9G6maZEBhWGugCBIbxpCEDM5F0dIoLTjq0L_KVwbskzPUwIKOrcG3NHI08gW4x31ILc2_w6kdB8IswGRIRFk.I3JaLoKMPtS6ARGlezkv0hodZOdAIgEkydEMGD1EO9j3MmBzlQxcSn0PF_bOcievb5kthxaNawnY6g7nwQvxMpF0o9_hdrxTFbz0YgWDtMmuhCXjgcIaacJWpTrOCDuUkeq.GycsMl25Wmy74zoNTGQ19F242KiEgWHILGENBX2b4ughEp_gevLfX0go2OgnAovWCYt0lhQvjAEwS_0DjfSrkGtzwvYGrucSXZSnVDxCm1Udr00Jh98V1yD61frTcuNFSjOD11SkKYOki5XY5g6FU6D0fn5UvDVWSfn3.MEwPnQVK05bkvEfoLcR6.0tTS4kYsCq6kME7DlmhjXnWfEqV34Nll2xOTuCVPdtjARHQnxTbuQDnXPWAiFlQNxzcmCvb90pGFeEJF4nyxq894xBL0oA.BZ_LNdvSC4T9aCF2DI984LHnbubx.XmNfguAxxS1x0QRm6kOfXl5wuBS2No79WzybEr8s8q3UoHN4X2zNS3A7AxiqbvB8_sKyxGIs6Ebtr3Kc9ykHg9EiI3yppMaWHMUD2SbImVpCL_lCEp0eOpQhKAjbHnoZz8klf6FyX0qtVi7Tc1Y9PQJJOnD0DzWT_0qbDk8B9ZOAkIbvRd9.NWLiBcsIpVWbUaXFZlX3IjndwEj1WcTAe9baM.GIDJkTxXo2on9j3ENVb0ppCKnHzz_i90Lm4yOxi5ULjlQrubAWLOmQs7.2MgFALzsoHIc3E7.nUvgfV2GUT3v7ydTG8oZXv8A89KPxF3V0IIN2wwItjIeWmOsQyFHf4M1oujNpP2tVJykGnjCGBkWMr1GbZhS5745RjNRpfgIbF3NiWmO_.7kh.CGNHVFGUsNS8.r_47.ETqIW0c1v5f8RyxckhWou01fiXnqpR3NMigQSY_YRYZdjBCJSzxa3M7DKwDrIxvHbxgtyFK_nSglp6ACMszjirV06dkTrGKyTy_b6X30arqUZo4ey1m2ze5Z179_fchnmtSf7OI.dlRVBZJY45Gwul5QijOHhBdyI9fkV9GSKvc33K.2K72UNalc2imcKRBiwctkzNIG_YZRA_mOR0LsLraDQIhY2BwqQlDqnNB2_uV17RKe1HolrMAiMqlT47583FIqE_HbT4RHNad_vr7dZkTm3jKM7EzgSsrDzGce2nTXyRDwgzmbFbTF2_lYmhDvmX_KMz5M9kF2yasDqsIWt8ohJcKFdWk0lMnEvH6MP3SfTJ5SeBkNrHI8xpIyGBfBoAB2h.DiwfhJXo5UfHNKzxMcN0oraVgTxPXKxca7Irr5t9qKvUN5NwMyx2kggqcDGJ.gcFWA0VP18Exq220J1MqRWGR76PL4.7p_gFgqn8vA4P08C0NhnKte8EodJv39ZLQN6gKtx_Qlq7N9TDtemvAbLzYUPmrCxYF_pyymrUJ9qyXcjsNOROE1ZLIY3pDqQX.bISucHbVH08f_iv4S96KkUhIfrI7hMjrZeqn8wIIcUkDiXxMRImn40lMde0eiA2d2kwljKvwn0NcT_J2mbX2j0Q7Ux_XOqNlzN_gUWUjxa.c1UvAyY3G1hh",mdrd: "per2Mo0y_DjNMhmffatHtvJjmhgCFHVo9rmavi5ZBI4-1739195859-1.2.1.1-p6n10t2vpI5a4aLcwIyoy6TueULxF9SGYznkBhhU0210kwB_bmE0x8wAS1wRNcc5T5ONvADBPBq..3EoejI2N0A.y4VpE4G6k2LnpQbPrsw0kWFYmlhkdZb4stFXZu.DSL4pH22bJt1_EMDxFf7BFy.9T5ph7bzw6BskVRUHYKilTBvvO0Jj13.RpqxJJMTkcXvAQ6ueC_9iPWl5SminusFobqBwfY2BR6T3yGRIwGzz5lWGTz0OTmakfC7Mst0K9aWbtYNcvz2rtVlwO8r2aUOtmlU71gKMeMeaTRVAdMduNveCg2NwdywE9H45BUuaeCrjVkoqCXBfgFu9ToZJrxZ5y09QO4xfJYSelfNHTqy.nPXulyM1B.DnDWQsD4c6jmddMD4kPGji6fgpK0tZLL0droXUDc0wM1lFwUhRkTaVkv8VwDQTKDnrB2_O1lEr_WdPY8x9q.olmgPbc7FaldNNK9ZoviIRsqNYAgn5fKuD10menWNR18dyZEoAdHsROUCKEqGdfE1cOP_Cy88mtlCPAxVf7aAUnLgsn6MmR2i1wQwp6gu1BNTkitOLQQ.priqLuGO39jB.6VCGIZo.Md_hUPjXcMu19ZGxoqqlb2VRhqsDztqcxenW.id6OGPwQLbK0Yl5Cgzazdfb1U9MGl2GJw.6x4okDHm4jgds6dsxpJEpIWkZbZlh5RwPKvS8lQyL8nmZDJzdkx9NL7cxikxsLDrULXRysQGmFtQyLRRfXAip1TXsGjxY5piuRtxBYvTHCw2.yFQutVEDXFN1EW2aVBRH1nixYCHTORyaa_FebCOJRcVW9ezP3x99CVxT_qHu__9.UHQXFYFRJZkIhlncdznPCBqTs3yDZ9HmJzYgjs4LNHQuxkMwrvAEUeEWSbexXt_1pc20JqBms9FPY1c30wwJahtWY8NaTYfYRQk7LF7NmXJELVo3ZpsOvT8_UNasOe0AcdcF1ybqwBmQW2Km79uI1_Eqd2QiHrXRAiGg0pICIrTpZ9MivzyIvWJ5I6DKNvDoTsMDTRsYTEQ.Owz92phD60BEn4NpysDXCkiNbgrvhn8ec0CcisZop4WsAA3fKf2lKrDmhixQKUL5KihM7UcImWoaYHKTuz0dYX2ALm6bVlD0lxwqbebH8tscQdeAqDVPHEfh3ISOPBHpqh4a7aquOgHt8NhEPfjkB4B6KbAmIgaRv1T2DU6sbTPOU1XukY2vDxnhdft_cOFY3JA67p9qy0y8ZVAl13ps1M0Zw_I5zEPYDVEdE1t6lMETgnGkXGu02CJhcfjj.sXsaq3WNXk73ZuqEMThDk.bYoUzwF2GjxskV2a8QmDHYrzENS3567WakplgacZp8PWtIysiilwfZUjgaxlII2W4FWvgRqxQwQfSPovgelUkIzKrKD2U6PWlbLZt8mGxNiWBx4_XweiEnza3QY9PtlI.SLTZbjglAe.Y7nZRBog7uu4gS_2rJevtwTOISGoqI.tefOcb6XVsnedWln0ac2owmKVMbwA0vs5cz7YCu9CzM8Ru7WaYusjOtiMw6E70hVSM1AQ7dKkVgp3InzFHFwsqrqY0ML05vLVYjmAMHbyLeY_kx_RIWRzuLqN8G7nrLw5MgQfZdxO7Y_yUoICav7GmAXp5xpS6vIAcm5TeFuhtRXTwBZczOxCmDA5GeSlMdoOKBr3ncpM7zC1UPQdSXCkKddMdnfl4Z3l76jMj3Xwq2OSs_CfnqdVTJe0ZSzu_SGLQF8A75BH.qU6zVdEXez1kF1pNNFXnxWscFHJIxGODGbalz3iIP.vbitYlNExkhPYH2g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fc9c0aab115704';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\/6102349857?__cf_chl_rt_tk=GQ8cWdO9LhVoeZF808qsAGKSbWE1Sui4U.G1u1P2KVM-1739195859-1.0.1.1-3BejMmZD8UQpBp8mOzmftiYkpXsX1Op9zC1_ae5mqfc" + 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