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-affwcovrh.mit-edu.top/post/7142935068

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affwcovrh.mit-edu.top",cType: 'managed',cRay: '9107a2308dc31785',cH: 'tHhx0Ayj9WltAkszls.DKsIHpulTMNm1TeDb1tB0T9s-1739311454-1.2.1.1-XReKV.h37NX_Qm7lysS4Z7zeACHilhkAyC2wO49HIJCUW.azMnaWbI7Ot_fHOYiW',cUPMDTk: "\/post\/7142935068?__cf_chl_tk=piJsXaJo4mE6UOJDZ6AHFF9hJ9X13WFjKoOW6Zr2SHg-1739311454-1.0.1.1-XCpuHc4y_M482_aMDQdZXu6.9wNEgUrHOb3yDt4rbKs",cFPWv: 'g',cITimeS: '1739311454',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7142935068?__cf_chl_f_tk=piJsXaJo4mE6UOJDZ6AHFF9hJ9X13WFjKoOW6Zr2SHg-1739311454-1.0.1.1-XCpuHc4y_M482_aMDQdZXu6.9wNEgUrHOb3yDt4rbKs",md: "2Ko0AWeHyYdaodsjkr_fKUqmRrwn56JgXCgRAj6xeoE-1739311454-1.2.1.1-uXF18BT2Tqql5Kh4z4ZaDiWGICNGKR6iwVxapAIIxzUImBQbT4uHA63OBpiraKVl5VhCES1h2Z6S2oZewzmmxv9wCqUWg27u11ePwbVgoj_CkpYdZ1sDhb5aqbrFgpQyXny9pVjjkuqgjNAFNu42W48Fj9MFLeoFZUcdi.z8TbUZKOWDSCWaGnl5eGb0fE1vaaPQANOP0WqwjJce_HeN1t778wuBwWcfWpqTGLQQl.12bLp08rOtVbjMS0biu0tYA9d_MuHrmbWJhIMEY8DLm644yQjx8xQ_W_7D1haUCeMKrnCVJqH3TAl4IkOSgRlv2nJ8XWzb0ytwQu5AU_6OR3uo_PKpqD0141PooRQiDIUnM8uqrX_BTVNg9H_xip5z1ZO9XHAoAGlYKcFdZjoykWab.UTaLZ5QiSvGqV5v5wpq13HWcq0vwQjdDYz8AwrvbnBpguKUhphp5AeN1gffNCkx3bzG3iLWVYWZPGYJNMWTog1oXLcRRKYu4rUhstXUanbrTBUe0qCUMRkcS6jReRYIo5LSP4cov0.62wjwONwJg4KHGztG37qRi2kn.i7PyCHMu_sGUNuIuOCDKGBkx9l.HzHAy.x30Lh3h_Wag7jmOQoPO0zastcnzF1jIOJOUriJeySNNianOTx8yjj39yfI3VyUztQtvTNUdICKpmhFNBVDtXjKAmAFUEet0WT5oobYbDycXVWbD5JYlm65gAF4s2DyAp7PsOd1m2G3DQgMehM.uLsDcBw_V1qTgO.8D.8v9X30gnT9P6T9VQvydlprfgY.lzwbKJOi8LxD59KtCr_Q2hW0ZvNNSG_gk_UvAMz1bg.EKpyiCl.NjKAHIPpQPT2hDd.x3Y4IIZqvbcXiPXJx85snegaDFRJI8F2iMCiflNRbWWeAahl0g5q8T0O7Fcz69j4SMhT8DvM6mFx0.NFEBc2TsQzwMl.Pfv9Sa82KSG1ouOe7AbSXkDYV834L_wGcpxf77Gq0houoc5vgw3tcEFAat3u9rGipfPAWjzJ3ErAhGvJb4xqWxwguVA4AvR82J93y0Of3axStUy.SffgpBBXwJq_0VpuRvf_V6NS1rjdhUtU3_53UaWgH6t9Zq4wAIOGIO.iOurb8AQjf.6dROXWqWOm8thL0Y2CBxTY8s0HQ6NxH83HE0Jkso_sF6Rdw538oGgPcGIjhdhYvdSuw5K_kLeMsHeuQ7qugmef1zAU2H8FvhIOlGKUlDPMtiA0OAXjE3uF7V1hBRtw4go7404rT5yfZTOzDBJY4SsUS0OQG16FDJtzIcbB2SLxZBQBXWHvMMW18KSEN1VAjkupt9F57cmgtiHIc.X0iE3pyJuaZEVu6wEsWMf.QxAR4OXZMJHKu7W12IDum_0Bncy0aMbtoLbwMl1IqJiWiJveu1KtbU4em1rZxYHVIvl_D6YldTLzQkS5wzFPyZw.oTn.mlu3MQuO5icsOkb4K_RXsOwRaTeUXETWoxQBIMp8VCKflDf.Fcp7QtqVR.jrI_TPs7vxyZt.4Mz2lI4gRrP64N4hliz7pK4iGUAneGR0CFzCut8CuwIUoGKf2rMlchllGe3HvB.wo9rGs_YrJcwSCSgxTdA3VAZg9lYFemNFdQXo9Qk_4XUIw1LImgtaaoDOyvRkNW17yxbZ25mqdb3GE4AoaLgabYNqUcI0cCmKMAAntYvWGYgqJiOQ1DfQJ28Ba9a58kp.ypWGpjyTC4d8gEnW.M0kETv533OTwTmFPLziDQtq.fF4vD3OdIyG9GjKykFq7u260dA8wjxTAUB2.xB4XzNYXgTxLK.7RDFO4JWJd.CE50WWW0S7nORwe8VNgM7z1.l8wB_2VQSCf5S2IHcRDWy9Vzdr1pidmDGzj_3hiP5jJOO_w8E04rTiBP19KHTLwJwbERK83FGq.5p_JIigaQPvzbpU4MrP3iUzZ7l5EF_Gxl51GP5dBk9vDvrfVFL1LnlfFDHAajmBXiQCVl6k47LM2XS5MqRMIoUTz.B0lM8Lg1zp5oWX3UXmcbOa1rXqPaFsWXlXTyRJCrYQI2JtTR9dIIweOOs46i4bbpOIde9dVR04A3V2v_7Mwsx225lyJyHzCi5jSVZ8dtSyod_uRD02yvvPEDov3b_Ru83Fa6vlLRgxu73iaUDtw97a3y0kVU.lqeIIdF.FDg2qwAjiwF_eevuAevHmr.N6RxV2pfUZF4Y0yjURXyGWZA2gaQ73t5vppel0Rpmzb",mdrd: "qIkUdLNxbSkmp3WsPQxZJ3ADqtDnPENN0PmL0fwFLAU-1739311454-1.2.1.1-YGem7DPFhWW7an7wbhnOvVOsk0lAMl5HZ7.R_MAxib8kWdFzM_eeJxZlRgQ13vZJUBT5jMY0__D4a5_X2I2Ao8Uk2iBP4.WkAwf4dfmjCgo_yjncaSEIvl.GrK74toP2nn__0n0ADJ55iEpuoBXhAo8QVsHT01SCDE1Ad2VpKy866nEdsg2rvMKxWtr38O9Drz3MPEsmbnWke5QjfmV8FEzKsMfOLmn4PZrnRnFpToIv9sMLYLlpdnk5VrQTpA9HnQZHR7C9hARZZEUE7Q9Gdq7i29KobI025H503nkHEk5JnIAacykHzcpKfcd_8CODeV4LsfRO6kaA7NdvifYPK0NnigBKPUYtW0odIbilubJGL5_AdeG.z_oDmjxWPyq0GUGQ_M_Mj959rQlEolTw7dbuPyClK3GH7x5T9KVuOMl.dGNUZ8NF_xuT80YQKIIVp9rtp2xOYNFMUJ9kkNiKCU_pdNrfWb0xGpVzhd_uUMa.B10BgcZ5yhXMV_rHfujninlkC0TI3SKi.TTpmeTm5oF_YeW14a0BFdZrmHy56lnLeBkGkq4EP2I9oZ0F5ZZj8FwG9Emg.DkOBJaU3jI2WX2FVamjl4fwWWHwUCuTXHabWCBwd895jh8bibgPeboiE2isM2h7rGDLjAxiWN1cHpJF8RqwZcSJlp9Qr69IYya.fxTLeU8bzSzddsRdz5Ry8O2oYmBhXKBaoPJRmuyD5kvWnDSt.7aBNQKvUYd9JNOFG4o.rz_F.dC_SMSvyHZLSdjqK0Pxc3c3JcSpdqywZo7boW.X4527TBYGUYGQjtaPRgNQFN4ZeDV7A7u5_q6oBFPvAwFxZ_SUQcjB5ruoUJjz1Iveg2CeLFarUknKnGARyfcsaQ54YPJRJLkMkFftCWJTK22QW7ukqOIo2IlhsxMOChgquGr_4kK.KYRxqwqbwSk90beXwep2WMseQmy9ES1vaPD0UYevpnQz_ShAimUzr2BEoz_ss0.HRVXR94GBPXrMpcvG91K23DiGUGR6GmeDSRIzlvw8GxRXD9MRPjQf3kK1TiH_rmTNvAMompk8jmHYPLVyl9DX.guThFO0hXaXY3GV0c5jhHOg8FIlWevCPRWKfFLsf9._xylzTv6MBWhJ39C1cqGdBsggmKvd02RsTGLwO4TyA5DLETJVLODjoOEflWJ_MfuGICZaSzlPV7Q22gXwI72PaKTfh4kI68MNxMSJ03lvcqb6P0i8kiqgsHgdauRtT0EgQjV3hZFTBL1TUDGeZbaN6cqvpkV5HAAXZhpVq7zT4gnNw.nel11SkgEa5VRPtMhL_IDqAp.4poisRTp0AUBEzddlfbfa6qdT5KAc7eXfsTHqLk.dkyU0nIj95nEH1N4joPDLeraUisdPZIqh9hyvxkzllfjc3p2BsoIMze4zt4tnt0EBPOZYqg5f7WywKS7mXRWFOowCES2R3cThn3L5KnWLkXcHxsiVynv5ua1W_gXcuF1hSTEUOxjKtCMHgMWLz_Ab.bbmgu4ivnJme__Ty434JBQfIiKEjKDxe08hTNBVZdK6swybNW.cNuzXnrBxYM89A7DSbGK0c3Wnvs_fyXrKQ412tUQfmKp5s_s.GIHnwq0qhW8U4hBNCBy.tqAQ2vBZLny7oC4J1juSbl.3oRts4On4dnp7dXm9MbALUto726bErQUOQiBJIpDJQMrACHKmH5HFTWBcpUOhfmX_7pjY6P1oi6a8kM3gxLf.DiJRVdsl_QPvuQcgeMMSwHP.WM_fbAIdPRuw1rf80ODkT0.FkJNK8nybhxDJPzYONlvleSdkyQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a2308dc31785';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\/7142935068?__cf_chl_rt_tk=piJsXaJo4mE6UOJDZ6AHFF9hJ9X13WFjKoOW6Zr2SHg-1739311454-1.0.1.1-XCpuHc4y_M482_aMDQdZXu6.9wNEgUrHOb3yDt4rbKs" + 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