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-900286016246.mit-edu.top/post/2793856041

  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-900286016246.mit-edu.top",cType: 'managed',cRay: '90fcc6eabee28293',cH: '7MsFWYRnGNeeSEyhioprltOCEHTiBzK7SEUdM16l6vQ-1739197615-1.2.1.1-Htbo4d.m11X7qW63mwrzc.JSuJpib.Nobcdjk2dKyXppmu.9do_17IBMOmH22uAj',cUPMDTk: "\/post\/2793856041?__cf_chl_tk=umuhka45rO1WC_jvFXcZbwQ8w0FCsVWE0MshCMIN7QU-1739197615-1.0.1.1-IZ7p2kTYPCuxDBZQoT9X88NiKV6ZsGt0JxC_pCy7_Jw",cFPWv: 'g',cITimeS: '1739197615',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2793856041?__cf_chl_f_tk=umuhka45rO1WC_jvFXcZbwQ8w0FCsVWE0MshCMIN7QU-1739197615-1.0.1.1-IZ7p2kTYPCuxDBZQoT9X88NiKV6ZsGt0JxC_pCy7_Jw",md: "0wtj7TgZJb3uacXWqg36BN9TvNj83lWgBFvCAZK6EhY-1739197615-1.2.1.1-fbCXPIdmMhtCrcxaIaJGOi.0uTuBTTe.nKXq.pProO4H5vYQ1DU6E3aI8sVcz.ZpIroDHzHWSRAYI3ORnUx9GrRU1S3Sb00iIhyR4onsMnDNJcVp_VDalCVku9zMaXjh9p8d1qs3Ycmbq5KRCYeAQCTYh0PX3472UhBvrtj6rGUGl.btBR01JamiVrjzsHymwNiCz3sdH3S.YHkzvROwf_rlBUh3KRnw3OXIq4GAtcvrxZK1uG_V0YDl2QbGaZscNpdD49zUw4SlDyWtMG3rld.Z8_ob5E9XaQSFuaIp3Phtm20ViUyiOW3dk1WjbyixL6sP2sUOMHziyLqIexGByI_2lEovbfsOCOG49p2vpJcb1ib_siSpC4DWAXN2jJOhEMuJHyIpabWakJWtgwEsA5dFFSUdxstl3KkKgYPs2KF3jqqd1QIeLeaH88RUmoFQ4.h9JBPY.pKkqzc.8Ih0EjBzURtSN4shze8yQkkG7DEFEW2.MuOHPfWmnPwG0y6Nb1uwDAFFyX5uOD9Lon0NNGLtg.vq.j6JNzuVJLn67mtOP5._uTtaB7Muvmmw_VNt7ppyizNN3Zl72gBilxgZuMc5puNWAdoYFhgMXwItfcGWoWeWOn8Rk5_aeNZm5y_di_ZzOih9eIwI6UDOSohgW3n0tjPy8u92XP2qiyx64TljUEI9ag1S4lwa_bQOqszSszVPYZyr6SkwDrVyRCEJSoaYjfE80p7ZrCk5P4aHUGBjzgDV5hzRlE6JRdqPahKJBRztpRJFRcAYR7qJxhg9jOrOrt_oNfRlxKU9A.BboJ6KZZrGpyuTP6pEAHDib5_WBe3fehHBsKh.OrZbqf2nlficS7ECuKCcExCj1AVrpPWHAmsANYeA.FXjNORTXotpu276RZ1tEMzlzLoD3m8A3IgB4S8nK.YJgW9HcJagnUikhvj0D9HuIpvFBuKOk1LOnX9SOyOkZvejarqGEDdHPI1NKwRJmkyZl_n0pFAVLN9I.ZkNnTegF8D1SWms25Jh2v8a03E3jMl713qV1NArdNJDFv5kBDs7BMueyTolevMrS2w81XHPS.V9TnJUemlKh3eKHRlckzYZqtrD0du1.K2xyPArVLMW2XQjNZOhBSThemXQviXjYvbEZForMGJYWeCNAjMp_vUPRShIbo3bODGkl_gNPx83h5NoeVDX1wRenuO2Z6ypKndv51mxkzfiZOZux.wsAvjPmdQmFVKCty2oiCYbCPNJyYgztr1Frc6jBCdUKAoth2_4jDuESFYHaOrXsiVCVLS1769p6uUbs__JrQcG7RX3RKTMfhD3A7iWiort4lgEBia65Vz_YfQnwDCV7ZAoq.7ZRgQzxN4lc6LYusACC6XX6EwlWZdqnf_A77vz8aHjlpqyZt3lGOuCRFvVI1wepEYyWqtoQwaLBuE_pYQOm_qdAfH8YxJ0jDgNQzE8GdXwHis8m3.I5h9IsLTnKq8nHX0yiZ8c86nHQ1rmcA7JOJQL51FcRGVeSTyDflN3nICWPjiQD2wxa6AlqpIgxebX5UA3zvKW2g1.Jkm_m8cpTyOUgx.qmwNxq8KgkOR40MqXDTwWwow9hH4qpB7t08c_VLbdo4ogUx14TEUK6U1G06iqRqmdnJIMvC720Kza18JLB.8pcDJestmgkdHRFlk0DrLZJtfY1Kytg_XASv9zokM5ptThCvOtpGmM6j16wPGq.LiSTGVmlP5fnT1uquPkO0LTudhvXJwaP3C6a4nHujlSX2lB0FVeSk0Yb36ItwmE_ZNqXxWdftPXOCy7mBXfS3lYBu5PRJH1jw15dzi_3jwYH08zDp19kkKxpX7ozf1rvRp.ftSun2fz5PC277rzlcFrDsaouqz4AKz5l84nonmwzAfq2L1IKRgxxhmaTn1UwJoHAIUd7ABVxcq4bMhedx_biHT76t8BJ7NXcpAFs1fuQubKZjA9RGRf6qwUIEB7cdFCAouFM3MBLvkh0UWAd6zVIeSANiqjV8JCJhlUoS_.hVy5OlKiZmscoh3tbCI5nFHnVMqwbKbLa2EWyHn2q2jf5ICGABGYnnK8zzE7Hx_Pnkh29luz7zFV7UGvAc1hSlgup72RBXZujh4JqrPa1JOtpWY_xJWiM7tfUR5TfuZ_ChJaTKxdM22lnHE9CLjGPgILzlmHiCgQAAIYH_kZxntc91IKpOAAQM69yOzyXE7eJH7RewGOW3u_DfTJKwXU9MJReU9bSMbp",mdrd: "nYoROORuSWVNHPr8cAMU60MPtOfWH4pkT_U4mjBTr18-1739197615-1.2.1.1-t0V95EWejsAWtil4x.gWE7OsPyTpUcrT1crIo8BrTThBZJ_nM.oObROK7lL_rhAn0K1xQmHozJFetEDup5VZF7uOleQ5SJVAdYhGNwNL7UNQTmvTV3FDm6UwxLnDBMyR15gwaps7YIvgJZi7BnIbAmth.z5DZgT7UZKYU5nnNNgBvlnYxgt0_pWFDIRGJbsiSi1X2EuKXE4mrG806DtIiO5waefsFk.tex1Wj_8Uar.m54T68YWncFW.tjAwgfJl8A1yL2XW.SLT_.GeVFPXY9L0BFv72xX_Q2MWKX.q.GV6ZggTOsNCjRuOrQGg.jbH6puARezXC0Fq7GSJcT8cqSwRyjOQAegRpJhcSuyAyE9zAxW5e5LhcAD08o6qAMRATofyQsmW8guLRt1h2TcABzC5aUqyg3rmq8UwnSm_U7hQuf4KmyUsHLnzxdtyJCzs3EreP17XF9V4EGscOhRoN1aEZlszhxa390idDDJB.gQA.Qd3Hddokk947jLDKpESDMRAexCPdfWTlmPuwyd0mDs0WQTMik5ttdUMD2pUiyo43esHs1duPdaGklTPYGYgxqy6S00oMVlgL4T3F2a1_xHYrI4lRLx8RkiDeXDEin92nk1GozUlGxczzIYc643j.yDobiXAW0pSEcxUaQqMHkTgEPlqvOvdvTwUJVmASYdUOgi1O9EgMRgp1npxAV9NiJPkAq0q_o_AT5FyQGR8taD3BMwIJmrQWC40pzoyKwKXMZRaMI9lC614TU7Mc75AOsA_2oVGmpakUsLMoU4Z3u2_JRHHixZ7mj7sLPSH3v2A4airYIJhO8Spj8Nhgw4iakJwzeTgl9lPqq_n84IXOJfRcCrcEOWsLD4WLBqmTSfzua5cu2UXM2R1wMRvanE2Dl2mRL_9OaRmJcYQ1PwDcSUpkpg21wrZXBEqS9nsFQTjDqYLd8M7iOZWCAztq7fKTAwmh1y9TUk.G15vPp4a8hfcdNQYA2roaOw_eEHMGV5Ql0VruTzoWRP4jft3cTdrjgog67YqfXv.3K_eaHngWOBxDsog5bUI0ZnrQ5CCTmOBc6kcsLGaw4wVzcD1XB5EribhjxGsLxEou4bb1nxTbqIj0gfhfCXaoKbwZstzTBzRLVhHZPS90sP4sWP8Bi_t9EXG2SaWSsRKg6SsyGnhwX0Cmt4Efir9dm_oLyKw3vIuaw9qMU_dHDPFYYBqFK_gnh1brn6AZg37js9ebZNwcHKaGZQlOpXTaz.Swa8dZK14NsOgAmDmc7kwcEXP4i_zRGRdc0PmA26hrzHUP9kNH0Lv6.QAPfGf6xlvYToagrO4Xp8wuQ0FkUgJGo0agtJoBzEp74sQQgd4s4XwwhrlB8qBaJNvNsPBO5VZM1Nz61.DXsgKDR.yJ9JslDi3gwrX1eWBJJ1Je7G3zVJPm3JwzHKeyblc1VRsfs9aZLKj51lKFTEtckCY22jAOGL8472m8WFIsnY3R37xzcC_HqnVmg2jej5v3_jvkFoioy90PPS9LXecdriNPr4bXAmnoMB_B4pot2x8Tkd5ZjNU_sbrVkmkEKjHgdxnWKvZ723X9BUOCFyRqV7XQ05515dhLrTTeUEyN_eibiZGnnSJggt_De2dMt7G8.Xs.xPhYFYl4ZaVpagKMYNgES0JrhdUYHdrB4eh62DOIm4FJds.wzes1w62pZBgklrBjSCBOWBuDNe3BE0_hyusDcKm36gs7f58mf6x49U0SX9stbyDYf5xhZPaWGoP.0MHTtTfTEIkv9tmxJiD7Iwj0akaeGfZ_uSYabQFmlwCzKz9nfxeFL7gn0_wxFLW2lgwVpUAAZ8o6dk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcc6eabee28293';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\/2793856041?__cf_chl_rt_tk=umuhka45rO1WC_jvFXcZbwQ8w0FCsVWE0MshCMIN7QU-1739197615-1.0.1.1-IZ7p2kTYPCuxDBZQoT9X88NiKV6ZsGt0JxC_pCy7_Jw" + 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