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-aff58rke6.mit-edu.top/post/5648710239

  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-aff58rke6.mit-edu.top",cType: 'managed',cRay: '90f414f28e9c1fe3',cH: 'yVVf9pp5ptl8lqJGgcUd.3D6mu803B0E927tHFrt0uU-1739106440-1.2.1.1-53DbXepsWKGrOU7EtILQjjE1VSCUE1HqLyfUzPNeKv.DHPlt3Kdnaov6Ok9DCZtC',cUPMDTk: "\/post\/5648710239?__cf_chl_tk=jlF5uZDawNfNkuzS9keYzeAhWo0PV5L0O5HHuuctJo4-1739106440-1.0.1.1-MCJ5w8mzjWANzBsIt4LTUfz_J4vlcmtwlR5VLkgCncM",cFPWv: 'g',cITimeS: '1739106440',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5648710239?__cf_chl_f_tk=jlF5uZDawNfNkuzS9keYzeAhWo0PV5L0O5HHuuctJo4-1739106440-1.0.1.1-MCJ5w8mzjWANzBsIt4LTUfz_J4vlcmtwlR5VLkgCncM",md: "MvUv..UtvD.YQZ943XXWY.VudMnytOV1y80o07dbYDk-1739106440-1.2.1.1-7KUysJb.39QusbKfw8Cagki6TsdBgWDOxYPjq2cgntzTmlvw7bwLlV4ZehKPCQBFxu6ko79BLEBpVlK5NJ.UNMAwJRFlc7bqYfZGx134oQhDYimWQpc13SsvQiXMeLFt_iYz8g3kbMBp_tikuucD06odG_9QACBsFxbMsK25xaywX10BM61e3TjT8jDVhZgKDH7UeLsdILH4e9W3cxhiXETxvbzXeXhtBXEo6D.kSkROnNVSGBO_vgq7g2IB2XaEWmyOzXH5lNwtL5FCy_SEBqApsPMoJ5WuJXieK.os2eLzPmjLpc7T.DpDF617Z1MObuBd6TjZnArAw6XZN42rlIdkF7Il8PJaaRs.xZmeGn.Y7Yc7FBoh0GyxU3pxwpjtiiMrLl_LncKXc3_4_kK2No60rrUTHk_BpMFcZG5ASXt3WjYXO4RrVwrQOeuV.qHqAZsyZXPP9Mb1CXZTwop5Sz68zVHU4gluz5VSBfj_T9IUT8a.uoDVHBlKnvJSFvx7FHc_suXM4wZch4L0_X_jr9e29YBRGtYY52Zf34m_o2zCebxd5QHD5AXDe8pkhMFFEAiO2MGoE2rHiJ5vJOmo98LeucbUCJ1sFzS.s3Ysc.wLAhhz5BLnABMnDKw0nE7I0eKaRchiQifTb3otIJsTLsfs89OdilNC0zgrtx02UYg1nPsMxWOJ.qd.OVlNODEy7Uwrrf30a4lmAZRyhekjI_W4qQ2a.Lfxms.c0AUvdn_qKakSbECF2r0FuARGawJgYf14t44UjXj33o2A1Rj5ZV0IN9vs71z3xlZVE7QeRijHvNnOVj7JH3DVjC8sVuk6taSX4SrrjMzUZci3IbcXrZRPhqSSn2yXMvXiC_LN8CVKFlikD.dXAKF1GapT7zSLRjrfraR_wf_2bmic0FZuCkwClu3_bhmHoJ.kZIfbFf4UyF8.K_wo2CcvxnbRr_eJwgTFq8fDL17BTyXLg8GDxMUmRtdQC7N55PH1AuTb4pZnzEAIC6o3iaa.NWtMq9Itnpf4fSCvImhkZAORnppITO6gH7Ea.N6HTEqt0_zRWa7M6AuQEpb7ttpBYaj0A79TDIuzBRcfDugS7bfPERXLLZtWcS_B5KuOkHG2p4J09KvmrmijCSrXliSAJ01Bl5LcZa8g_suVIiH1s_4lij4uVUwJ.JgajPj7DgpWnqJsfGO2y0McC.y_PZ9m0iQ8gq959PHQmsodxxzY11GZYeSF4iA_EJkbkK4ilJOFebDSZvY33kW0lWvA8CnBZMxqe26XZIw4uHMpCdBNQt_l0ItDretTikpLnxfWu4t6lud6ykjvSdMOxcRhW5wEBEhAcHtary2y_JmRWZtlwQqlYHvzT1oovyVXj7c2XhQzGEyvH.FZshK3KqHfXEXeBDbE.4V1OlXM4Ls95SZKtWDjSC60FVkXqjpqnvIhhkrlV35jWJAZnTNg7cALemQq_8whIfwcrZlHxDom73g8Mfqhbs3ruBqrpO2_wOVyuO1v3ERe3Aw1j.YiNM2wDcbCA5Gcbc20kU7EIfKRcaBYgLFN6n43j5MT.Q7TWlA4NflKTg0OnyBaUGQi1bWVbK9A7bZHYfr8i3Q6ihElI2LLsrTLrX.bZJhyanijPKw7A32T8..qDEN1B.lP_DFQlrCEPysGpMyia57HZPudHyy3uSnt2h.Uzt8kTow1q9A0_fv8g1UZayxdK4NHvWquLbvHm1ux5eiLWUWNzQf5bf9G.ODds68Njd.2kuU1ypobjGBl7UfqGFW9x.10_lPCyREx75neNaEvLZNgs5UpurZW7QxGy.DAkQFhlHEr2N.ebg6a57NLmnEDZOJ1nJWRsdT2LsY_ON6ZNpKGTd9THgpGZEVyy6ywsw5znYlRQf3se5gerwG84pZZqL3cj6JGR.xNneVp9TrBy25qNZXuQABBytPFDVzDpKZ92XweravrVHHe8IInBGhFtXt_TIfq2jmN5TseJY8c84hLQVcGPoLLLUq6AvgsTdXTO5AdCkKTo06XkfxVFSsz8R89pRRNP8oS50HefqGHvIsbctWtNm.Uwnxbj6U2kr.aQ262SX4EIBaGUfkHrSeG1RTzNxDrsL2nQo2TMsjyi7sV1OJ7ny2ZInDkXdr9dmZ41fgNCSIiW6S7CPUdeu6v.Fgg17TVSLYq7imrmvajUUl8nZUdqIjCIz1gPP3ALjD0tUM8VSgerE7v6VpcL8LKUVa7ZlX2J8O_8H0FXH6b",mdrd: "xn_YtG5PNomawM_.lbulhbCRNxZu_aGewYoA5b9GUY0-1739106440-1.2.1.1-z2ogVIxJfPsLOVJujbcOl.Nu.L.WlykUQ1l6SWJldJafBxIwJOt.usIrPDdeFNAvEVJQa_bjNuLdN0FmM1hfVe68SST9NH_YLlbUc5zk22Xa5MpVd2goweIdxuXf6ftDEznMLNgjK4RwqFq3wnAkXhnMW5w9p6tvIgw1R0f4Nr41yLOTG2L4OboNl9V8Z6eQs7mTiw4eS2z1ntK2KrCJviMgu_jbdYAcUDGDZoxe5GEweuWRVBwbf148dLmR0tf2Gxgtuk3l5zX2vbmN5FXKFSXre9QeVtHMejA39GCk7z4HEMANyDhwXawaq0Cyb4vWzMPVnAvaBLEk7UHsM9CFQq2h3_EvdoOuMbEGK3UH8NXkUIHN2_GhxkzBcUUiWHOJw57gIul2MEOI6imBbWDFTF6t9ba4Lt6O.ckIsAsAy16TGpYNDjwI.F0H70rC8k_V.S2k5D2pCITQ7ZPcxyCUGzld0a09EZdUfjkf0MPlKdirHC9FdlUiJz6oRRhjyiG_bKdTToQceeoYefuuWfRPGOSHTBU2ie7bul3bRxScma6_6T8nbw2uXOJHgZEfxovMFfKbjrBVSd1cUB_PkC92.w3lYPqv60n3krEqghhuLoLMkdHH7X78KVMNRBFQqxC4S8OIgsLOEcpiFNgY1pkq8qB_omfNQ.9Y9akH0Vz54qS2pPZ1DRD_YK4a65Mz50miJ16nX_yDlRDALmCzS0GJHOtZAekQoWpzYBNDXYnNZY5sJ5oxjd5XY7_rlpv1dyXsATIniPIgf5X5If5u5IlgLucv7EzNkzZyY.iDT5JCxY8GoI4TFAIEp1LEv58vsFCqPyMDrgPfjm8CqS9R4WRLWhvSgSaakWyrxGrbR7L77JCYwYdo7mGpE6qEefSXzx8rIYLqNlgJghw6yo6IbO9nEsAeEKMvatiAeEpOeDetvUBzvJXHgOBen45wD3vLUQi6HHhHwiY2ENC1ySO2pCTpzfIvfPdwLgS2UgIKuO_q2smpfHn4GtGpupFO2atN8Db2EcobU7cPMAX4DihS.0B0fZBquo4KR_YEJ2mJnxC98.p0qKeQkLQ6hBsRAHsNk37VZJEG8.pT8UTxc5syr4B7H._KJlb_pwPqeisT5BYjM.3yIJmOR0eHSAx__SOZUj6IYQ2DHHyvUmXC52Zw6aPbvGRV2nyc2iR7Zd8TeHWbwp01ELldybOS0TTXtr8uWZB7nVlmk8zTBx_fawdHCjHRi4BQALWjBR5SD9K2akLw08uc3XAWFWeyW1dlg3.brvXnRH0M5k8isuAYdZbahTnCV8WmnBlY5CpMe_gOIhiZ2OJ7pLVmmB42NRZ8NalZYoaNSS5C2Un_CQ80gTMGZaaNuBd5ksiSyY1t4ul2d1DR8tuEcB6XEBCzus_R3xVLKEr90QG1Ax2h4BgVIZnhXfd0J8vxQlM4gXQD_x0y1G_EzsxHeqyHKI3Ttvpvbhm7Ty7s7RajpcvwCtnT39k2AHO4jo5.xNiMv2gMlaJPEf6ofRWFAoJKrQEnp1BL4UwUkUrByClQeIpSQhPeyp96pKs7rZeqJefD2kbReYurMPafgw9CTV4CYd9dkcV_GtjD.haixo7QINgaAnuj3EPn4dJphjAc3nitG4Rp11Q.5U6BhbsRMbxtDGS2MxMg6o2koUC7rGghMpEvoGiGUZKVBnwe7HmMhXvx1qYF9bhdw.4cRJvAByK2D7Stynhx4EbExm__G8eOSZ5mcMXRASqcFFwMtgGaZAuI0KNU6W4rW3.wnWVF2WTRlXFlVpgLaONuF01t6z9pNOP32jDgFpy2Kraa5Dao4SKxJVs4QVHzpW4b_qM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f414f28e9c1fe3';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\/5648710239?__cf_chl_rt_tk=jlF5uZDawNfNkuzS9keYzeAhWo0PV5L0O5HHuuctJo4-1739106440-1.0.1.1-MCJ5w8mzjWANzBsIt4LTUfz_J4vlcmtwlR5VLkgCncM" + 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