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://553389.mit-edu.top/post/5942781036

  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: "553389.mit-edu.top",cType: 'managed',cRay: '90fad40c1aa7c93f',cH: 'kiafSYIf2jcJUE0NGX8VK4tw9Wyv4xEQB3l9SHCRzhA-1739177182-1.2.1.1-NFKIzrsLFqubYJbFl3ImW8hk97aQZecUPHacfcJwDaLgS8SHb2W41BStICXhVTPg',cUPMDTk: "\/post\/5942781036?__cf_chl_tk=hrKZV4vRe63VNKsaOhhdkQZIPpg.VRmvLol54n.RAKc-1739177182-1.0.1.1-OTzvqZ7Rii3kRG6COsnreuPfF4smtPpLd6N7rlT44Z0",cFPWv: 'g',cITimeS: '1739177182',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5942781036?__cf_chl_f_tk=hrKZV4vRe63VNKsaOhhdkQZIPpg.VRmvLol54n.RAKc-1739177182-1.0.1.1-OTzvqZ7Rii3kRG6COsnreuPfF4smtPpLd6N7rlT44Z0",md: "jGbZ3xIvYwbnZBbyzbYf8IqrkbIBQ6O4G2kl0HSppR8-1739177182-1.2.1.1-XsegE92h09MZjTIiQIBOthutalfhfUforDeqb1zGMiri3.2aLb14AdTcynVk4eAqCeHoel_yVBpt4zi.5Qr5aYSoZpCDHNDXQX9kgYioC7wnujdA12kRNChGCBtyYIjZIEF3FwKbefQPCNAOkF5zYGxS4uO8yeSGwvPZtTcu31zFVoNy.EQs8ci.tE5ueUNZNANAcuSvi8OFCKtmtxJUK6uXvnwk1nd9duLvxerFBwReHmgp4sQ5.VE6Ag.z9hZ70YKcjMKT7KASiFAlNO16q_qJTKTMMqLYjc1KCUUXuk4WfS10_4QqL4xn74XNzfQamh7V55XwRoXpyD58.UJYIK6dj.YQZRTLZCcqdRtq0Pi99v5HmhWycZr2gCRjFeBUuJHtjtzSCjBbGVZ1ao9ZnJn..mAkEEcwfo0Cwqtl5FC1G_3ETPnyhR3Ag126bsTwyZhcQ8rPyaD3kvofefWL4tZulTnvajniiELTFYL0QneyJXhxhzRgpwPmI46YMk9AilE0TB7bVDv6XbZOXbfjUrCY9Yd1.I98TYgVKIqYcoRnwyI_.6oEd7njKrv6ds5B3aFotg3csI2ZU1e6z1aqfi5rQYYGFxXG1sNqyfznD30sVJvXtJNXgESfH4gWIgHZr6V74QScX6poTQ2_ZFFcGg4Wk7Dy5YBtK2NODV92jKp7qIDpAwEpV3YU1pSZMAn8qrtRcG2ASiNRMur11Z4knEnTIhi.iwM5eEePARRB048fHySe1.FnlUSLDqFQvzRzVmw1tASR7VzLSXYQLvw_dUGS16z4gQVqK7Kx7XnfAUQPM6EBJ8C28bcjcHL0ZnVIa3thYzjpL4k8UARfSEZEDpEOBuP1wNTWbgobJESVluIxZMGmoXK_mwDf3XxskZvP3ZYpJSEKazu03mBQ36AtVuvHbO.5azr1vufdSnEA1FJjJFYWOINZ3FUp0MeEBxalu_Kbk5MEsraE70EWTNomIFc_Yvi5_EIlQAC6mxYX0.iHKT7KQ9IUyfb1gW0rUTHTEQdyGRR8wjQdtKH63H_.89wps8.WDqVw1EA8LUZAPo.OMWXXtuEDJFQMPp4TEzUu42KUBq9HtyMaMsA0xQ_.CnVTlvwLmiwf_FmyjiK_RBbTgT1TDoMsjQHigHQPMGV.kwkHgWKMClgdJaRiDB2GsoFSL9GjU3gwU2k5kPOzYnpPsGugUdM0OMMSeI.XvYgf3wF31vNawINP3h6Txykiu2brcZen1FIdRWoPltoljQ54bqLYzqc9nXNXDG6tFM4beyrogeNLXj_.szLpr1nuitZIMEQriw25AhYiEG7Vv.W5vaUbaQtrnRkXbeTwAd8BgxHh96rU.FF268eN1mo6fP8iI7YU6IeheWkwCY_4gOHE7Fp91ucxXMOKPZ0gbcTS6zRkRIgwFk1iH.wWlEzotsWwqPdsdcM0AJGtqs92DeGMjzRGv9qXU9_IsK9x0iDkkCPQm7.wfbLdoFZy.IHN8HtmTuT2Ko.YfSlSInbQb2C1KkaTX2mVsLnispu7uegRlgPo6rSAthDj8johMhvUu8VLWBQVrHAuHujXBx2O7V4vZknzCUd8Wbw7HrhATu9oA1u07j6bkbC5dIvSDu3dklmDvE.JUCCRKunxJZtfhfUudZDAif4_kv1G6M2Ag5EaR7EwTNchrrydeOVwM1oShAhVbIwhMF09uqVdsy8Ra6LoCbp7D1pa1o8HH6ZBnWISA0fTfC76kXtHcqTv2q3VMBSwYtlZNwe1qraFwhh9n_9UIl1BOAcDTuAKXFAdRKanPp_6bwpyvEAjxxNIUhlYlvnsOelwSPx9FGiSSilxgU.uPOzjfETN71Aru._J16tQx2Q5ZdQmSP4bnR82a4D4ts6xZeS.DMhtU3k_KAKgMYqeTlP5_eb4m8yMmGNdXyn5kB5WqqcyfB5wCO8VvAJ4ASW7MwJu9C6qqFrSIbDVTAv0PrFrO4kQ7xuVKb9h56u2ieBXH_RfVxti8dGQDOStQAOY3mwrdhB7Brb0SDX6wmWufynZR.M2WZfsC4uwlXtsSb84LAOjuCMwyQ4dNQ5MkmaxesMMhTlW55yrS031p60r5WXzAH9hm.HcGi4wCzmb4_nHwD9ug978uFUMO_bHk.esbNSQAuYkEJKMksqC6gvX4rqfpHhUA0yAY.ICF65r4fCPraKRtC629DyRJQZ7pKs0FB64_GO23D1iJOFP_3U",mdrd: "xQ5YJiVlBgZWlYzCZDqPg.eoVGGuV7TZ15WKUL.PN5k-1739177182-1.2.1.1-UDYBZwP5OkoBjvBUs1aKkjHSRMB0Quoihfh2QfFE1MMYubcDVHEMPFDfvhuTjm2TGPwkNFDRe4dJFKk9wXF3SO2DfFUJPnE.DQTHnuvptDMa9avXWBv.iPoPeGtF8TD_obpzm.xtpkxA70OB4kSmbMqPlsDYvMJtK2WdrJYtBfzHm5ovzImzskdjosqc9PN7etvdAsxGH1L45Tj0CL_F3mc0VhVzAe3uck4ARrBidaO6bsjAIWklvplFuLUcqlXJ993cXoSF0TrRJr5Lg_WXT.xTNhQAom8VEvT1ouhIVrSRbucSnhzun_I9wJOJKSemhSTy1deUhP3YG86v4VsFk.uqDVeHqgC4riHMHhB9Was6du6e7ygvD4eyz_1Y6.37pCowiOqP8UIgWuMG.01JwPBybAK80bUWisFtOOieVTm3ng2ehg4f5xFmisi4rfiuW1P5.C5w8JUUgrCm5gD304VVvKRD3v2neGuIx.daao7zxS6ax.QgZNlxDQGPdvRlDojciW_nSiaULZX0z4yH_z8QitaMtfL0LMioOnEEMjMg1ZaKYd1uzKgTXZbnXiMsAQcg1l_9trNaj2QO4lGmetiglGZzjRp1uUMkmFzdjfyEev3nLFImmx7FHXn7DP.clpUelNB9lsV6Vr4_PLI5eODwt6GJXxwW4gYbOOVuP9uL1jC14P2vLefdtOW2XY8haL4oRiGGc1Cyd4MeyJyjWXN2EDF1w3OZIPvagI6UFd2mAU95OZvk9RgPSsCgODbs7oGLSfsYkFuSBxnFjZ.CgBXQb6ZTUJafccRYtYPWec4z7E2fkMqOh3UNSmlywpG5GnCf16BPP2KtDDzYgSq0hs7XLeS6TAtXqkZhIgyhx08VHbWEgRyBoLQCxmXwKVRM4cpZTSrzqVYG_5W2TGEPQJ4Abc_b3gF8LK713BUnpngglBN5zNVewa9XAW6Ei.Dx_Lp1Sx9FjWB6Jwtg89NSFtzZAN4uCDob6k0yYzBnYimgI_EWYTtdeP5QwASqiQ1aa68.QbhVl1cRYK56E.YigDoWl1TbtGB_LCnjqIQz5vzFuDGNZlKaJNzEvnmjpQX_yEZrIZWqUPD1z2TpgpA8vWUB84M7ujxjH779UzqiPD8i7Da3.1EWgw0XXs2aSn9MaEWfBPZXnHHc0cDOmBlqYwfWrZotIJvRZdQ0kOkeQzBmdK4whKOxvRJqrS7wZIuT8xHaA8dk7LcRpE3KCF1VaZFcd.ahXMYrtAaVtrcjo8HRxLsPWiPxXoaFz_UUFlQIzK82oxc8E6XSoEWghU.aTeZNSH2T5mV0_nr1EUwkZw.afgyiU4Q62Rz_MPLFYRcX9K.3bx60VaDAlxNVt6SVCIKi2_rcU46ujAvCvfSvpv2jI6Mxktuv6AYm4t8kaRRlitDHxeiKM8RnT6HWrHI.L4svV7c_XC_.A0W2p_9LBLL.RBXBYQJWNuKWIna3bxM0qNAv4kJFOEga9BRaN_J1H_3CQOB0vh4j4qAtL9sa8LmkqJzoZmwMf9MPXAEG0bdWqgNeOtIWg5aLthK5OwwImdPzGHWHLpc2Gzc2AAy2iS7Pif7ycOgKw4QV22X8qKUmk5atI73lrlJmAky11EBvr4LyGtoLIOWNeQGVDrh1UVESsD1xRjVejFwJu_065VO19ETE5Xo30VFeyBMITp7zjSEUl9uVGgL3aOw5A4LmfOH3l1MuTMYgVGiJAx_KO9Aw9JbPqYo.a0Bbfm7zeuYWyWJJ7mFLWgAxLMhHtplYjdSlFzVcICJfHHQgyHbowiHUidpsLfwQa9ABE1srSAgMOA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad40c1aa7c93f';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\/5942781036?__cf_chl_rt_tk=hrKZV4vRe63VNKsaOhhdkQZIPpg.VRmvLol54n.RAKc-1739177182-1.0.1.1-OTzvqZ7Rii3kRG6COsnreuPfF4smtPpLd6N7rlT44Z0" + 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