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-affsvqier.mit-edu.top/post/8635107249

  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-affsvqier.mit-edu.top",cType: 'managed',cRay: '90f8106969245956',cH: '5EO773dObqjeH6j3gPAzA.APRTxjnFOVwbME8_n7AAM-1739148197-1.2.1.1-UpeLkFzz6gQQVa7A.6ZoZqUosKcYYkcJZ1ZYdLu9QyJmZ7MJ5RvGmIfV4bTZfxAT',cUPMDTk: "\/post\/8635107249?__cf_chl_tk=1eRj88JPOD29UvPDIZyA2aIR_c7cNUlzpca.s2E0NSA-1739148197-1.0.1.1-8DhzXP_4VpLHgJ6.6DZ9LAqD2FcJ7Cy5oYP6_FdfDG4",cFPWv: 'g',cITimeS: '1739148197',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8635107249?__cf_chl_f_tk=1eRj88JPOD29UvPDIZyA2aIR_c7cNUlzpca.s2E0NSA-1739148197-1.0.1.1-8DhzXP_4VpLHgJ6.6DZ9LAqD2FcJ7Cy5oYP6_FdfDG4",md: "_db4kvcdDGy5_HbXGSHy3zyXW6v1m94iDBWwNxi88AU-1739148197-1.2.1.1-RUZp7_MV76LL21RAuSCzN.S7oqJxj3sl9_PokatrJN0H5MfMAlQ5rXVNUVxlyhG725iP_gVZS64_h0pJjHA3xmkAWLNTk5mqgGWF0d_bAgr1LlNogZ.kPzL8iMwm1zTUJtObG7NdUU_9XjS.NyJh1FRaZzQZGFCrJxcfYat_jbnKGSEHvoPULc8yAETSaMI7bBDAn4F.hCRPM116Q8sYCU6W2xz48IB29.kPDWdmFQ0Kwm1EHBX5HPI2HT6LXbkHHWn2QXOA33m1u89GIi9Pqra2wfw8rFPpza8GVXGyFfy_iaQTegqxPsPiV3R0lfybTr_9lmCOSoEwdyJg3DA20LKCYMdfrk1OSqAsBA4eQd0bSoy6BfWKC.uRsvLbqPfFsXMjR6OTotc13qIFPKzx1qHFiHWs69.YxuZVRky8cYFDnk6NanHcjZIvJvLBJq3n7pByO4Q2pJD7X_25heuNCeObMIMZRfnKl0FOgQfVYmlQWU7qKjcZJmBElP9fZIzgjUPtVGoPtR6QXxpPa_3lFEVELByd33Vq7VPqd.6ObiZwPIy9EWJ3tilUWQJRMvtVmkf.oCasuoZeyDPCKAGeiJGL0lLFnJFzlptKCyN7vZpgan5g4ugOdTa_rCN3g6A_T0IOZNF6w73uTHDQGBPyL16RZ4MEWl4X38VYRQbzFAaP6To6YxVy_o9DA1eHnQ99Gf_1pFmaxGg32CqiglLLtxF_JJbV1DqQGba9k.GLYK0iTDsIGz0z6CicULFfA6NMdel.shz4OKC4SomtgyphdMQUtHhVVVypVaiLezoQ4DVGtS81xHCP2dW0gLVsSq3YRt2F_h5.vNG4rlC3pp7XJZ3cLOr1AYjBW0xXH8ep.Nb8g5o6LcXMOf22_XwMqeaLk7PK8p8ORCd_gt.QYwOhgiwCLZ9wWbJxe4b825KVeeRTHN09vn2nJ1DEQ1kaLEnIcpRjjnu5yTCqfOLzNSrUW28LkjixHYFdTMIb5BAcqP6jonRokyoTS.UhhlYrtEcCAjh246qCHKYTBF._U2db9G5wl_uO39_2MIdvq3ZA9ZvxWyBBDpIyrbRhD08QO8fvoSDRviLTCnsqEkeWeM3f6IJ_yGzst6VE10X4wELGWSVzEqVoeHelOTnybLXzfv_Q8ksmJ0_.xjTdUN0b.aN6z_N2_13q4eBBOTmEfl2f8TzM6dSBK78NVJHxrQy45FfZNBLAtdFY12ChSlebx96uwmSOD4HPnTSKRJVmPXBVa3aanFpM2WdyVAEekEROkxOCZlPXOjThcOIUDhROsiJvB3PU2w9DvP5rG6UILQkZhHrjn3mjJSuZEln7oK85DL0j7UYkudnQhsXEEQYzqkwYOG3ptlDA1zTENDojOUW121bKuisEg0w8fst_qNvzG64xXIMZO.UhMECdzikE9wwOEEFd_xOD2UY4V1bP2cKthdZWOUZQcyf5ekPS4FAg0Q8.k5EB4Ea1t3UYklbEf6o84u0wHzdoQ6c8Ol3bc7Et3CEL.1qJ7Jl5k87cTzyyXaBRR7ywSdgKwsMqM9hakFtVEfxxvCyHctzuCMYCvVa72uGXa8QGZtIprxUTw20FVbdBTIskqI_6.Bimv9jV_pU7tH0.h4SRMuYacag7cS13NSMpIsj_K0ovnqUiGZaNvECgAcShpTXYmfZvT5FiJrH6xpaDM66gCsnqtvYhqe73WDQDM7cd2xlZVZ83zPBqxzeCWT542pmplay9FuA9CIwOwk6uYcxvJMrZPyzVxfPRKnTNTrtFG1KVSmOgf0yPAhd57qZ7UuS4oNaR1ABeVyM8wTFeUeKHP.keb1grSnj.Fk7dI1JQHR_Puz4pjJdcuPLoTKMyDHIXiLNcHYlxTCgRMVdYmNwrvirZCsxD37JI790DPO5B4fZafjZ9NkSa81foVQ6.rYgnRGfnPGWIQozeZHKJcOF7IKqbLvjxsevEprb0d_k0C5Bdcejj.08llZK8jc1To31QVv3rXjIdeM1Vgk7A54J.7UfILwqh7job7IOWYH4.9.rm8JhMMUkqHauafRSlUb48ZcNjXkaITU1uEBkbbA18cMljP2hheajOa3UK6Kd5OgwpRz6241bUJRozBubkD7JLUAT4cIcfsj7EF7_WPlPj3xE0Gy_MrTnUj0GL5rQBmPrlGhsguIjIYP2l8DjwwUfu9sNExW0zkqqeXLFq1BiAeJv.RqR_hqWaHTMEfEtZvYhyRR5YVNza5VpP",mdrd: "dhh0j9zR6QlIuF_eEyNifbKlndt1MB7Sz9JxP1lb7tQ-1739148197-1.2.1.1-SpXOCbk5vb0XaSKcBTyMgCL01DuGicPZbse0bfzfwsoedpem_B0fWJcOzW_eEGhpwTewixRR9x9u_InTiYzxpIiKsjTfJcCdqg3u6DGxqx1X3GKxlM7mEgHPRbLjWTw72VgSD87R9A688PnhpO_KQS.rEooUFwG22Smi6OSvUJNPxk47x9HeapjKMljkbieCn2zOHPAEfQUG0Wi9y5mI6a_NmQtU2sowjjD2jDLMlDrHWrx5BAJqEOhYCvsyBIAo6c.ZaIl_3HkqjqIuwwXV_AB9znerGSkssDmUjmKaMLZcME.XL3Zn1GKW3kQL_gdBjM2ww0gNjUkF24546OyhvtIqvNtpRiGvX7gY69Zg.kGJ8rla7jRS8jZJzuzohVFu4fdb6j.39JU7cFb4eTCjlfpVGcK.ff3gks5UsG2qcX4BZFQcv1xR.lMWLDT5yPWvd6sTCVMqJYPUjWZYss9RUypnitkG18gAff_9BZpiQqb1fu16HBgGdk4226GUcAiP8yNkJjIrFP5pWQ_qsdc7O5u9yj28Gofa6XuQwwrPNTqplSdnY1vhfZInU1YXySHQb6Z_pOqq82PFloyqp6VczF0EGnH0T1FtnXzlJxg.9f6FDhCR_3TW9ZLxgdnjHUSeJVsmCJHhbcnpRCv22ASL98xV7GZdmECe0ZVfRJwuDAlv4u0m7STQbLKpkGguKW6ZtXBc2Z.faimlgXl8gUDHY9zTLl3VwQAelkHyjpeUi1dfugl873z.6Z2Vr.6g2vwYyZlLp42rIag11H2OX0gZ4p3Z1yXi_L5ZJyfXF8FmvgcDDdW5b7GYvAjNyeZvNAD16v5S5.jvzy8RThOcULbmsEo.Ttzc.tjFpwsCnbWtY2FFqlOpyumEYi3LMSsMaTbJrmD.7JbmEcJEd_u.pig9DHypbNl2mOXFhpJA8AHXWvrBFgvn2yuMqa6WFecT_4_jESaiYiOEVx8sudX6r005JhyC4RpmuIaZH_jQQTU.PogCeZLqWjFRR.rnqEJfKvJFGW4JUzB6E9am2Wy3OOFmKl52TZ4KSCNLdbMzoFzs8vD2Fs6jr4b2Bwxnef9qybW9785PPkO6U6Vc4UpUlA7YNUUSvN6N4kg6oVGioeW0yUYShyvsECpOZzeOsTyCqnm78arL3Vy0_MCUdgVhCU1ZYgZzYJ2KU2LJGIqty9Bu4mUEpyZ4TxKMQk29mS4Hhsb7owEg8Q6m0s3EtlJdOo5T_qOMHvK927eEu5JLQ.EVRRKZ6p4eC3.XbMCfln2_naO4kc8l3m1Oe.kE.eeDjHNxHNvdThonhW72PIzkCU8yy038TnVu3ekjcsyYs.ocDoIBiNQX1vVH2mM095_Ma_XFoJQn3PSSV_2xq_Rp5zcoQpOw59l663.znHdpaJFaCZWgTXSSW.SPVIN4AfY7Nx_PEqvRXzsZKZgmFcuN_gKnrqtiuv3sFyEDnUhwLoTSnjzzKbxTrzGrR0feFttbtf5IMeqI.onf1t0VzS5qNVitaPxJQtQzYw005zXP6ZHSBYTpNlvadKkgmfDJHp6WBE3ILILMJq.1ArWozidGVTCNmftF_SZV66SHWJsp1gq3leL9gzAcLt3fjYHqchN5GqKv3BqPFEOlWxgdCmSj7aPnOnU1927PnkroLsAffvjBBdrfadXTAS0JI7g91aWdTqzm1ZytkSZz3d5dZMQ3vGvtKxIXJEFTAAm_OJdm1OhBV78hMjLGTkaGVn4xId32DqcKei8SjPjoQpfb0imAVGXxDBLEoOviEpvEGHCg7sIgb7SPYtgx6BdXhBKTx4axWvYdXldRsTbaD6x8WE9pQEVWULA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8106969245956';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\/8635107249?__cf_chl_rt_tk=1eRj88JPOD29UvPDIZyA2aIR_c7cNUlzpca.s2E0NSA-1739148197-1.0.1.1-8DhzXP_4VpLHgJ6.6DZ9LAqD2FcJ7Cy5oYP6_FdfDG4" + 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