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-581261856995.mit-edu.top/post/7485610239

  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-581261856995.mit-edu.top",cType: 'managed',cRay: '90f8554a9db13b62',cH: '_lZXhohMtK_tNUc8uxKqJ7Ieta_FY97yAXQDz_06NiY-1739151018-1.2.1.1-_bBLsRwQXYmUDzEjCqHogaqa.hOwdLP6gqQOCn30WO9ZgQOekNIzZA4YtU7wlrQ5',cUPMDTk: "\/post\/7485610239?__cf_chl_tk=ZTY.TQzgUOZn.S.a0yXJZAg32w6x.ILMGoJItc4fEmk-1739151018-1.0.1.1-iOZSgXqJRcAhSSf0Gww7.BDgAHPwqFXBKtJk2C0SGTU",cFPWv: 'g',cITimeS: '1739151018',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7485610239?__cf_chl_f_tk=ZTY.TQzgUOZn.S.a0yXJZAg32w6x.ILMGoJItc4fEmk-1739151018-1.0.1.1-iOZSgXqJRcAhSSf0Gww7.BDgAHPwqFXBKtJk2C0SGTU",md: "M72HcEu_OcWPARwWVTrOJXwIfT4pX6G4LrwtnLDnC4o-1739151018-1.2.1.1-rLOwpkjjCJyQGYdTx0X.o5Z9NpjOzRBF7xTluWzR9gHUFzReDlwDBfNpFqmB7YNhBfB5ZIwIZOmDopUijLRIN6iOzsxVhIMXHP4gWHALJn1l1h7LQ019eZptdm_2UsdfD2tkvVlEzUws7RB5ZA2EN4Zm9EbSC9bF09Gpnx_0_QsoIQwO.xCRMMNARSONbK19X5J87N2jOoXvgR3r3RlmFWoLuOxQmbM78STZr.jDaTarRQuQOLoxaUm0OW3T0EfezPwMit5BQ27VnK._E5XxXHxXKXf9BdrnaHUGTEEybpXCunvgVKBr8I_BtfKIuZ0fqX8fGZlUHO4ffVFAa4Tj5MruGxBNT49VpmGUY0SYaVWRFwvBr.bd4LTg1m1eUXMtLfQiujY52P6m9sRvMZMEaIjEl_B0aQYHzAs7RUxnc6AYQl2xXffKlPlUoJrkuH_LSFSVGleCtqmP4ruqdXpaHy52tALgXCIOgDjUzETPh_dMwqa2.kaJOsJno4FnyDSs89XqEGe1bIugfdzg87jVAC_5Evmt518me9KmviPLvzDVE_VourWWLaNnmWrSqz5K21ugmqFYDUff61KbwQK_tBNE..rA.oRbP2eE4SyZfYSfowijyZBAWNU3cVZ5BkGZO8BewUndIk4FtNxRbFsApWUNxFiJzssLVaZV.CAPYkj2VVVlfh.DyNWsq2WuZRNB3P_dnXV.tTP6Y2dG2bWJGBeKSjxc8h6Gd2yz_zC4NebEYi3NWeGesnl3sSs9C1JQcg09L4.juCWUfsAGbOatGf0xooHvXdh.bdBJL8uoeYfjHHhaZ1dTxZZnP0y_6OIuhn2Xri1GI2vmv9vAcYNBn6miBKo4DCsJYE59COKkVg_PPGgTfaXErtCDnA41wCd8O.P7PKBkeY.sVYrM2TgrblyI36Mvm8oMmOUhEMeD61GAOWSLZoy7XWI5ui.ZRfRlteCYbMiKXZY50qzMRqXKnDBxt1H0AdImc4u0ShKySsw2kq9vgea1lDwFBT6uj.I63Ou9KgmtacTcTuy64faz2LhQ9E24v_eypTYMgByIkZbKv_0SEm7jaQBYyilarz3crAGItEu.I9jjT8ii0wWM5HwRdcqlTEKgkei5xsKsYMlNG7uR_o.QN_Jw4flvHpUOZf0Yu7FGxhNjXD1wFKpmtfrqLLkErY3LMXC8LKqjtah.PfAU5d1AfbGtsb5QijmzGN896biIlFjEuoZdXtKnu_p2ySDNkzuDbOioiPDYmLb6EJNoB2WkfZ_iLF6nAALkT4kku21WQMFJ814Vt1LsZLc.y74pKI3DpiZY4.YznNyDH5rwDI1qujHNgOyZntJBMTI9kNzLMNlMZmK2tk1dItyhrGC_dkK2nyxRKA1oVxQJMroBqI0wU6q2IuzROBw7fO28emQYg3NFlQzEG7XAOs0q248DOydMZJAmAAxusu3dbW4sXjUFeqa0LLJLyjA2OccxtLZG2iAkJJKWos8exUCxQ7XyHx0ZkgO67sO4MFm5imnFAk0RsxpztGyoUzLY_Q2qHha67uaeQigsJDF8opXNX8ifWqUDQ.o1MX8MY5BeZ0n43KwUKXJ_3A9TPCswsTblUUWet3VtTiEYAcwYAX8RzbNJHu7N8wA84BZ5awDTnJW1DUUuf05iRopXq7Uikcu4QVhuAw8FiAnKe5v2qTTrm3_i4zZx6O.9AQFRXV6zME89uq5sf1vENvGn5LTamN25sCbU.JAe_b.a1piTpVXy0zyGT2ZOr_DG8CRkLUi9kpwqq6jBeTcxOOGxuRRHpXqkQZICJzgBikGXXSzeEKMTsvFZ1N.MqEZJ2Ug1DYx4ZCk9sbHMyJrMZUioUXI8IGtOoETRS.Xih2FA2_K4LOso_iVd5msOlUwRA4QBUP5KMKIiRwLM6W2WgqvwgwTHYIjirxeOcqQMyfdps9f_gSwqqUPZ2tYA7HB.ezXv5zWI4jMfbsVZ4qKAneJLfBeWaMRzYlocVcuUFAUIQllI_zi0IKmND0wYtzrx3hprMdoWvtErE8itHlUikdYPBHi0nKXrAPvCYZvy_Z_UXIenfDLzzTk6UtZetxmJoylTR_4FgBlmjtrK0B_ihXnEtiz715tRt_cBKC6U5vFjIyxawQWxZQ.7biFDGSnIVW.2pU9n63527aXVnPRcB1Hu7MD8Ncd.HEzoPG9xrlCLkFFcbWuDHLjrzWVz6b11oQRmSvrweuePR0Rs6zX1110F35.t",mdrd: "B48I4VYp7KT9TZwQ__5P4fX7PjXUmmoAnvM3a_aVBdU-1739151018-1.2.1.1-mWMeJzyfFr9g34ABEsLU2gq87WW10cR6VpIgsRTqPTnpPMq5q02OSJvdaMlm.mmOhYwBYYVhZNXJO93uQV8KuS5J5GfCyPoVV5E1lXdZg.NU90AQQYH.K3gYOoNnYgUcC6kFHM1kwyqY03gt1c2I2fVsjFgMus4WnmRJo6flYury3HRcm.YWD9U7Dg.6KdhyVbJtWQbln4Rw1_6acXy.rElH2oBEAauWfnOzTV_7yRySm.tiGkSWNv03uKkfbMluDn3CYZCrS58Rxb5F0Ga.YLTU7J719MMvcl3GKLy21z5XiB2w4IG_PpEIvIrWtkXBA9hs.Hwd2DOFBLvAvxKUdgFDmTjY8yFynbeBrO4WwduCl55kPEv0dr5xgv0gnTbvd.3wFwR8XXRo8Y_RRMUISROnJNdXlBCEpLo5CInn6Z2KyumY1GcTlbfyj98K6Ab_anQ2oxIFRIt1TCvw8p5nI7Qb_y9GBeNLHuVwU6SBjmnugD7eMz2MudQ7eB8RZS_H8eGXMua8BkVNYQptuoBzHiF49E9CFhYrPEarfWqnM2P6QCz7iBcNztqJTuBlmu.1ub4EYPgI3qbiS0R_CgIUWXlC4AP8SxXj0yoUQWJoNH5tluEVkymyK38c1oqbdFqbpHbx7rE4Sw22u9aK90X_AHtJo7s7WcTvC0N6v4RjLirXNJX2C5avOPkaorbRsl37Ul26b_2IcM8i1.BMgsEmO.AgKQ9zZnBuAi7Ue0KoVn8Nunuxau5aQ8RmQqdmMVG.CMQm51FYGjzvpkAQUZTInnri.6hSzMttDdDmtA9xBPtO.9y1Pc48jpZ4AgWdM75idKWW_w08D4Zf0mXhx.ELwpxs.j7ZsrJ5dd_xr1jzrPf7Lp.f2gxFZ8baP4wtZLHHPEp.jB3kxTqaImmszy1gqbMLAuywJVRLtfCkZ_fX23m6wFTzWQa_AifQ4_NEn_diw491l_5uCc9z_c_J6ulvthGueiRmEWGFvzoZSIAhz9l4UdZUpWYpqwc7oTuDHdOE3NYoL4KfKQ5Wn9sp1CP0DV9HT.PZVgnmk21_ypVq4dyyFMxFKI_56sDInc11CtN8NdkfVWPR3rjwJ0METeguGQYj7Ck75otVMoB0gn6qm0PY6qnInpmJezMZ2C.JsM7OFZS839isDbbCnneaYx0SgCqwaTjkUumDhYbtE6E7tmu7nH1qmHrFoAQQ7wZSetyUX2_amhPNPT4eZGNiuhk7YdoatCzdOSSYkYanUUWBiU6S4MMYWoUMfW3Ecg7hIIw6.5_HFPMiznusBvcZw4hXCZYoh3thsZlSu6YI6kTMsNumS9m4exilgBO5V2nVajFldNZYKaguzDYFo6c.7SYg7OaXIMR5_a1PxITXudUjrsO12baSQucopOAVPR37.onb0I6FTZUZuKTd_KM.DtljJ.LiC9YBDgngHTDPmvKeoN2vbo7.MllNdOo51glCLZWB7sbbux4aX5Yviq15FL29TRlYbpuL3CgCYH0U4RDQX0iRfQm1bFNWvrpVLGM_5DrDTm6_cJ9n810kSZLyAzhZtge41yu7wVff9BcQLnrQYG6x5Zvt4UV6lfgEKGOPFUB1NkVZdpnpw0KFTiOwhk8nfU8JfMnAektSwb5Mzhsrst5kV44a3TLqFcJQNFYzDghLcT7aLV4Ews.qjv8LaNTmzqbPC1kPttiXeIAvPUUY2s0PW8yfhwMqpbKPnwskOHxyyrVXj557QNlH.alnSTVUzt_nISSfe1QLShX8hWU87tJ_2tzx2uxEALGys_dKstpOkgxh3CD4OlNbyn_SqsXolvSZxoqIf92iV2Zr8TZjD9w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8554a9db13b62';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\/7485610239?__cf_chl_rt_tk=ZTY.TQzgUOZn.S.a0yXJZAg32w6x.ILMGoJItc4fEmk-1739151018-1.0.1.1-iOZSgXqJRcAhSSf0Gww7.BDgAHPwqFXBKtJk2C0SGTU" + 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