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-002918228935.mit-edu.top/post/0491763528

  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-002918228935.mit-edu.top",cType: 'managed',cRay: '90f7f3b6fdc9f283',cH: 'Pai7z8BHyn.pnOD7ehvP4UMQyiGUGnhw6DmkTJY2ydI-1739147021-1.2.1.1-27l_GTcIpLhFHqi0LvnyASA6HRLhQb.hiWQ7Zc.HBUfgJouvCFCWuYYqzV7A6btA',cUPMDTk: "\/post\/0491763528?__cf_chl_tk=.lMYf6yoIrtIe6R_ZaG2IdJGLWpuvP52TrhbuNT9lDU-1739147021-1.0.1.1-Y.bgdjZWpqBE5OXk2C81xBrkIDPrJ_QAjQ_OKlm2djU",cFPWv: 'g',cITimeS: '1739147021',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0491763528?__cf_chl_f_tk=.lMYf6yoIrtIe6R_ZaG2IdJGLWpuvP52TrhbuNT9lDU-1739147021-1.0.1.1-Y.bgdjZWpqBE5OXk2C81xBrkIDPrJ_QAjQ_OKlm2djU",md: "h2CXMaegBOlfTMuyL3s3tflocAc5ygW7Kxr9P4QFg6c-1739147021-1.2.1.1-opzQhQxK84FKDr1kR95SgeNtRPIY.3.IxxadCqg7iyD1zCEKRpS44FBFVH8r.6mhFRubtkV.d.vziDIokW06tXnDmNdfqvnsdRv2vqna9UxGwgD3cbLgxhw32icGa8vWtyUovcAXWHFCMEfS_UORrZ0kIU7WkGj2dy9OXbYP9V3J4qP2_li2HRA7snrqyDwEC547YIfb6hxKeNMC5Zt5DxrG4h4.1PHlQn19Z91tHiY4oeQP490hJ3eidXfjl6IV588vbExxcW4548BD_HvNQGkSnZkKn9kBcZ9fMhQxL4aIWK8FDIAq8XRb1wskI3dMejRo1zm6iq3ezNPO7yTPmvFwzW2yp5VTtHXEqmEpM0aZZloMBAlZbLt_.wwc47jO.OJz2iPyl7ybHUb0OABS4FAv7VAo7Cc3_pJe18tT669j_fQWOzg.9RvJeR93XLZrsq4UchZsuPAKzIMtTNWJOQU7kbOPMs4zZYkq2I0Yut6lDp2tIvKj79hERs.lFsSluYKjxIC7VSZC275JYV8otwMW3JSsJ49d9uxFSOJWFnlrW3qZW0qxRRLhc.D6gxwVMds4_m248KTV5ZatV8dYu6IQzzBYHOlCfrIK8FC0sDSJazrvtdMDDoLLKENzUZCYPzhd2dZPFxKn02LJVqVTBl3oiYTgGlod72OCNnILucemwW.LGhtgyUlWcixMg7iKWmKlDrCcAIrNCXEBYLpaVtDUIORV1PwXKv4xWe_7.c7MSroQfo3l9qQupDWiD1kpDlhAUTqA6x4q0Mt53Aa5F8dOhcLH5wvr6HT261bSHe7JXGrRSEEtryNTP_5QHvhuM.5xC_aoqD1.21cyhcM2jt9RoxioBHsMwxRN0vOzjY9hMFfc8wLQtSZBTHSF74Cm.4dNBv4taJfGDfO3AztBYNndurCYQOe55yTvsK6SMRK1O9cWa67Ofd2kzZjWUtLn1wV4EB_24SlLORRXdTWfDDkDX.CwA.ElahMIcaHevvD.Ruer0ElOJGj3.T_Rk.VXILTGwgnujtnnHRiBxIe.ky69kYctm77wYzS1c3VVpZ5lPfv2Bqm0Qby3fgoAH.j9dm0oN7s4tcY3TK_IkbMEo3xy2COQklZTkNtIoMdNW.l8k_J.P3NrWg9_Bq6Rxp9IgiS3QWnWSTp.8kqOmCo1odKQQJ3kyKhHknCgQUl7g_huOCWbL9iDD4RGcXc_aTfKQsjmvv0A8V2HB49U.pkKdYI9Y9NeHIM6zv7QcqKKFJa9nIPKg8DIGkISeDrlJO6OL0kEzgnaKuxzR0NyOBWzhie5WRiiK6x76RNtybeylL4vNK5p.M.kJjkqF7EYRPUZWETk1j0uQYx.t65ffzKgzqfihWSWbFISuOS83ZhCtICjYA7XCh4smO1xAfz3lkEYYu2IcaM9PguQ_RIsErwyAjhYz5yFazQX27QFTkJZvTc4HQo_TzcYGzyIR_yWHX_5S72dzDZvmxy7ell01azR7BeR0R0.CQwHTGC5KWXRLjqO6dSWyQ8L0uo3uzU_x0MuhazizDbjsHZgCUHtGuMfrFa1puIix7b0EUNV_e8ZmYT0460s99B8AzStFm6usctPUHpYOZki3Qrqugdjx_t7KmfaaaSQ5pmQUdAhIlEkImq7hgOkS44s3RfTgeu9qSlMe_MaA7qDazJGSrKIVQFKkYLHz0RJELH.E9RWY0RKpr524A5bGNbv.54LcvuFsoqBBZbz.ybLfYwTOiYD5VftL5BdeCcvSxv.fvIiO7hi7YnDHKEvViO5zJOmCm0uK.I4WgQLRNSh8p7RPgTCXd2RwcMqSMeBDH8_o0PG9eYP043uc2aZQdvyE4wQS586FOsopDGX.vcypOYtYlbSCkWcpV3RVfeQ6pavz1312GA.oGdA1QcZO_ZJGb5xU4sEcC4nm2YonLs0UOteNYb9JKC8ICopH710y6yF_mauXhWHCp68CYM6fHhKPklO2hpAcO3jwN2N8WB3ov7_ndD5xHKXoMsbdpTimNeAYJ7FaZgb60d20ahsRiqzPCFAUMkEsfVg5BvARyEKl1bc4tRVh5M0ZPRcw.18KPhmp_8zToEcWkwR.BUt1auHC3NguSXymySZMhcJ48mDgrITfqboah71C7wt9H6OaNZ.Txj9Dy58VWvXX1CgaiZ3EKbMmF9Pb0WOA91Tg00csHfv3KrxjobVtw12dPRXKQpgTCrB7iYF6NTlhR3MKHdnRLUFeXMj_PJM",mdrd: "0dg8OoiuDtzNH2q4QBg4tHXBxrolpIXGvEqRzvdSxBw-1739147021-1.2.1.1-Kl25s4B.RUygd9ujiUPvsfBPguxdC2nexcZuLELoHpFfnMGksFOvhE.8CIcI1D1HEqEWVfcKEHkek_tOvTUuqEy0_YPgxLF0tkaE.cJWOJQYrJVVT.v6wxJul76G_G37reBhBqUXP0yrSx81cqYyR52cEt.BIzEjmpEbJw6EkvKSFCguvyz.jvACapVFkjS8u9.2PN4UfFYrk_3pR4yEhVzULR3n3veDAsZzEguZrYikOsqoz3o7WInWbRIAeRWWj9dbDxbBhxGKJZdFU_Q3Oj7PWufOGEOfTGjnptJdVq4y_4dpvXKSqb8LaFRIAXv5INZWhQLuyqDJWBvxChXceFqkgOckgd1eAh8QWXC_UEAQrP0eiYSq0EEKRcN3H.76bKprtb9JkTmrsv_.YZa0llayr56O1bmBXIA6P3l1FOCBHoRJdTWRyfiA0SaEVWoD5fkzP4f1b6BaIhQkusp.nkBl2kmgT6hRDV6inDZ8wNyUuCihb7uwFp9JjhtbjPiKW6eyYiQvc0g.EevjqPhIpV6MHB6xgo52FWEiuGWklUnFwcRskwDgrufObPqCI4jmvWHwYh79FfzRwfK0OHOj__PjsaBqaiolbQ8LL7JtomqpH2SnmOR5ClfgdYOOyGowxkmp2AAz8wBjk.awAIafPGPj6cQaMY7wWq6p3W5hOFJx2VGmYYIksCRBBGa4MsDe.IhT6A.YvQTrgssRwqHCrJb2xV8Y5uFv19cRsRszlCtM8kyLdkUT17T4Q.EOeR8oGX0yBckcKagsgWje6BaS0bRT2ylQzFiKYLzpA53itqoyA5PFltKwYKliwLIoeckoTwMBnx2CtESleDX4WppxfGxiMb2VR7aTvNgAmKTfuG4V.JZmJQifXzZDJW0EEhv7XZz7FJigJqR.r2.uWUH.Y7vnVQ26UGUmf99tc4xqyBUZ6FoAvmNT6kQbVwcQcYujSdUcSZQoKMj6Q2SOZ4MtfqBxmEIuibYIPHDfMlZ40enuRz2daqIYPRvu1Kr0IbRnjayZxbdyqEJoo5F4St_zRhwZ0cnOUbwgbIx4c5j0Ov2sL8n2jqpSAIBElYmYXkjtQSN8e3owNDzBvAc92JB5OeUiJZ2Wo1BlGhTno_Oy0CpUQ0AKQS.xvf33BOJaVNvOMUz5Baam8QUn4V4LKqiuVvZKCF_T.MGPpnUwyl1kkH3S_fA9muXJ3ZnDQe1TxvR6UuFcVgC3twJshE6d62jVoqAa.oUssjRt8UfgnxHZw7VnczGPcqk75gTILr.TJOnNsWah8kfWNfeVNiGPK5GdxRe55.rUMl_WKqSHIz_Vex9zC77G.UfKNv15ppWh596vmMpNI2ZKDZSOIeSpf_hXCez7e51378OjEnQ0S_HLjvqfhQAoSjTBUxMrmaFoo_d5xIcL.haeK0xwS.hawLWpI4Fk6KvGR1ZfKnEGQgmUCusHpYbNynoxhARKpSrqksckI7q.DnGYvkuy7ok1PVM0phU4sfJHbZMo9oJV0tbu3hzz83Z7N2pGos4i.5mBLQghJfGJ1YcFYRLe5p6BEIzoxCXjRyr6Oa893rrxbEpg3rHarb.r8um0cZv_nf_1lkRdz6EOrYtkjhra8BqECnpG.9P7chTHtcOONlZ2MbxQv0y5PNTYRCUb_Gbvqu_qckoDB1gdUIjIe0EbFq.CcQqCIam4IY4GLOVeNCCdoClkMP9EDe37uNlB4I7uVd5JBsepdY9BL2eb4SuXSoU0xf4HGIjXPayuYFqBBA6HG8rqAdUxRl3XclasvZw.2V9Xoyqtf6jqCKEEvnayKaaVn0BS9MjIOXOr6nPDTYX0iQuCrfQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f3b6fdc9f283';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\/0491763528?__cf_chl_rt_tk=.lMYf6yoIrtIe6R_ZaG2IdJGLWpuvP52TrhbuNT9lDU-1739147021-1.0.1.1-Y.bgdjZWpqBE5OXk2C81xBrkIDPrJ_QAjQ_OKlm2djU" + 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