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-807112878444.mit-edu.top/post/8123756094

  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-807112878444.mit-edu.top",cType: 'managed',cRay: '90f7bd1df9181fd0',cH: 'tiCzZhBiVIbiWBDHjkjOgWpQz7D8nrdzf4Ipk.0XiBA-1739144785-1.2.1.1-ji0aIM7xDiLVh3sCntH9CWwBM5ACPDnk6WFW4M1SDFnlIKS_AHHSSqH4g01.VqG1',cUPMDTk: "\/post\/8123756094?__cf_chl_tk=uBZJz7xG8AvgX2JipwY65gXcUlCyrU_yYlXFCVCfPy4-1739144785-1.0.1.1-MbTbS1PQa2l7NCKx6UB.iNGXVJYsC1s.nt07MRtNnxA",cFPWv: 'g',cITimeS: '1739144785',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8123756094?__cf_chl_f_tk=uBZJz7xG8AvgX2JipwY65gXcUlCyrU_yYlXFCVCfPy4-1739144785-1.0.1.1-MbTbS1PQa2l7NCKx6UB.iNGXVJYsC1s.nt07MRtNnxA",md: "Nu0k1__XW27081QIoZa1VjToo3Cn4oy3MhaIf1X3Aow-1739144785-1.2.1.1-Mtbp.CGfaidIPfyNcF4rD0Bj0A_ja8SxJWI9wfmWQ65OocbrCfr_UVrTFNjfcxfkQi6qdao2ES.dI2OyKtqylpQlJgOoK2Mjxn_9gfN9IoVRYwvF4eOjcSAsnJ4Vg7sxfQgCJZxlL.zHN7w4RTxMlhVdOLV.ceuPZYaSfYiiSv6zSejxmSe_8bUUIwSG2XsYJm4Kc4ko.T768cfGOr9lO9v7JxRncWfhhWoJzIm1I0iK6RzIsfUJQnQ6dlHoAOhomzDyEj8BvBhIeU1cehb5nnQB02tKDJNL_qtoQ3nB4P15nMYg.yvwHM4u4VgGTl1MWWUYlZQ_0jhlF5p8.V0tvUDulKmxwOaVEOeLtKXe.PqCztaa9TG66qdUy_U3AFZn1FQwFZqZj7mQ0XysIxd7WWK5ciyaWet7kFZmgLqU_NoeTG3_b.eNsciR2X.vcYlxbtTrfHKZteCxBvnjSkHMoaKGz5BxfqD3npcXbf.qMRnag9MXmGHLKedF909r0IObTmgzW7618kM49C.xUV9jkx4rMFnQXnbitBfqo57b6AZJ6OqWhNGE07Hdwp3IUiL9mVd9.nCfw7JicNIvXBuES6FHj04ovFvqmTE7.8q7ATz.QrpKrdFMPCT7HJjFpVfMz2.Y45FIOw3bOgf0mzuw5Mx2Qx1oen3PUC.IzJUcYrlionizzWuRtZslasIUNZjaWDdzEU7qWYG5cC5awkvCXlT3U1DN9s394QU6ItdEQJoB1xT..oZsKoKfz8dephTgiHJaYS6WMpxY7cQtcC8.2Vhab1g5Wx451n.L85NfdPcxeDExfTPIZet2PTrGOj31Neux3UmuCYDzWIQtqcpwceRp2Kv2_WElw0_aQa0cR3OFmypux_euPMkX7ss_dxMkUMcUGOwwL2H2aHDR1VzIfFfhZxrOCGEJHJIToRg1nozecVHzw3_C.elq2YVtxlqwvlnJYUFp5_S0GaZlMT2XsKQ4KeFQ9gEr7rA1NmW6ixyINd21uKOIt4srLr2gMZXUvs5rbIMAjs0nreRm6muZXMN16o0dymqKC5Lw6zKKt2lDpfIN.12i8SgGKlblfpP3mRXCviYS6I9mqgLxGzBPf78PPhU3Z_W8ny4af15oCSWZHMphEzfWZAeOLmyC4xLfvlJ62i0F_fr6JMdAuAGfP27XW_Ymtj9cujaQ5Wsl_KH33RnCza1EXYPAoA_cRAwBvvZLtWFkH_nihc5Olzc96rrTNWSIUQ4tDAaAU6dgci0GYaVSXOg8hwBiVCqU9kiK_Y2rYE9NenVR8xP_Uhkpd5wQ9NWSH3BJZlsudERiEYX64gwfnGpUaniD0qmrontw.SPzypfLyNmxaEpIVCgFgbssDZrqqVDmor.hJHPPTo41FOuoMDdjlVMVZ7u2sWhOJPC_RnqA_fRXnJGvu1oIy4ibGm58Ptsty.fmtNNcLZEgwuhV3a4Iiy.iCIUhID4s8mI7MqYnaSAikMlTdtSciwUs9D6yQAapNTNxL1HIXe2Rs7qDl.cRWtZCkhOz4vh_ULOIfay2GNtU37gTpwp7SsD9tGi6WKxQcgVfG44P361PEPmj46SgSliMj5Ob6RBgbl5N4Hml7UDocTihAjLTp9hkZDt3HiLf.rmn_4NwnXHfhVLc82bEJTlIba8bNXrCU5jwWRpnp2cSl2tQ9mJqk9ITCRtTZ201psXN3N2LzfCxCtUJZvxxy2ch_igVtqB7aaIYpTCvhhQSI5YwAbRvBHTJE0PEchC3bK3Fpcv67BraPHKntPAsl4ZzEZjWpF8slNTI2ggT3rX4G5Y7nHYHth.VGeT.9crjX1hJklZjcKOp6Pirg8qYVG4w6jFTdSCkGOiU8gMoTOl_tClCPu3v235QkGvgjKjP21p5jYBRTGYdhIhMUaBUMMpW.NbrgCUOvCtdrcTm.ckzmFbFS6jwuxHvxBI.VmudNzOq6mD8YfsywnCbzb_NLl1H4WiKyvd3Lsvov6WSy0ROPQ1EflaY4aj8I5b_IwRs2W.SxtTYSTKX.6SdH0BQHEA2AFIr8iV38sB9M6v6I4ZDUCjCyu7vX0_.P43S0j1NFlKzHCgJTP72qxfvIy4sDXssZBPGc5ADta9ThcOISzk0UjY3rbVuhoajoIK6QKpBHHDUUUZS9CH5oEQLJuVlwKHsbeLyvpEklr07bI5AtF3Z0HDw1tSdkwDJBDuEtFg9OTTGo9rIUMOcMXW65KEwD6Eht_nca311",mdrd: "COqPIuDB_VfJnWjBFlweTr13LFYjJfO.R2r74RnkzPk-1739144785-1.2.1.1-YWTfHy7nyyV_Ji_HrpNvKcgyv5RtgrVjm1qmjlBmcLDtHkn2W0HX89CjDkk28AUlBegPW3M3F2JHD_r82jTF9BMMGdTjMJIbkxOF6r0g.XmAXqgApL6FZziSdNNpOxNhA07aF8UdJpi8_iX3uhKnkfe4lAynCNXta6Epthdy6JkilmTzzNaEV7oICBhY4Ez6EvVnljdXZSl1H5mBPVCekQXahVdAFlbJfEFHk1eMLvROFBD_875u9Ky6svJbEwqlkNEk4DdKWZY_awjEehlzAEJkDJkg4OouY6IXdXtY8HGNE3yHYGQd1GE07OKAHZUtY9Vn9QAhKBUc1f8j2M.ejKb4TV0XSkC.0wYgthVFF35AJ7Llbqr2UvyXjdFjrSXmMwhRLhjbKdDTPEc3DXgZ0RPACK9OCNOHDDZbqN94mwkKlqSJ7VLHmpLSsX3oZzMhgkzmShnNl_Q5A2d_kkOglRfGcTWjPDW3WAXlvEBIoDavL1xfsrx6nKxpy4HHmiThOFdco4L35x5TXDND1e_eOoLA3_vBwTfXHqIT3I73Qg4.X09Mcc11oVPFd8IPT5nR4WqkYPG5RZ9NgwM9YExhxR4tgj5Adt8peNvL2whnu.tnLgBlFzgs570j_2ScNH7J6T37BUZHLT32dOXYrPybB3fLCM4Bi6DXvs5C6p45WRbbiFEGTRpOsHCWzSFNPdM1hbdd7l4t3Eimdj0Z32BTmdd87E8TZWbG4X9d4KWJ5JmJdDMSYK75y9ooNZdayD0eTHRIWKJwkzmbUa1FQ60IuGioeXIXJPBFQQxx2T6uvV_7R8.KvvV.2lt0xEHAxmHTeFLPP5BZwI7BasPOxA38PTfvwlmte1ayJ8kr._MOlD.gE6vYQSSrdljNHwQT8nhAxeXsPEBsqzzhPmVlgs3rHQloKLUBEd8XcMwEdPfUFum.vj4Hd7zoliApNZj7AEjMkwxTL3M8xQU7bcEVN9JNMfqwD53zOfFfPR8nZoCu59EQq1ASEbL1q2BKZITGLvBJlb8_KILXVwd81GdDaQAtCQKlbCwto.IhEPXmvgSACabwYcG2B7eYBTO2Vm8r.XTz0WeHiotJixajMvefIqWwgxPc2zzqJAwN0PMIUsopv_fmzySLrAgwT.ZptEZLc7tg.8IHJUAOafaWR2qsXdhilkxASGYiyPBIZeSoTedrt.TGGDOPLQK14FFsV.mZDKCCmK99JH0qCWifgsqM3gVsxwpB4rUv3duUdN2Og1Zu6NvIeAxMj048m_2BzMeCNhSOUiZhP9TYQz6AQnO8gd3zTV8jlYrP07C2Es5GcvFs9L5I.u3eeI0jHo.uBy2NibNPa2tSwVsClqgALK4eekkv2IfeYKQn22.71zFZkey6mEi_siNFDOzhZgEy.9jvU8gkkEMKZe75Db0PBvUkh25zFSDC14YSR8oj4gPksAcj2MNmOvaDiaA1Ho2qWH0oCfns_Eok19orqZxwxQ9rf7jKZE_xdpGt2ry2WUXNpGQnlP57Lch4vsHpPGZJbiuy5KSpRXBviepsXPfnhP4u_Ks.atoCeyRIC2W9E2sYZkF_stuoxOahivbAxx204kDeXnbgxDuEom8eGc0GI88nCA6_RYZt9szftO2_4i7c_5ciJska8flC5cH4aEcteZV7L6IlcdG0BuOCCiwZLeHZAwwaY5G2GdElfImVLO6O01Mn5.OBZ483raBVl2E6km8m_ZgIYHPB7UFErp3MOslezceDSLumHF9TxIwviOsmihACT2V3Z3D8UgIKkoEbr1Q87944f7_AQi7zZnsy.YGKtYVi6wtPnJZ53eqY6gNLz4LiS9fw0iDF.HermuLHWpk8kGVz"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bd1df9181fd0';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\/8123756094?__cf_chl_rt_tk=uBZJz7xG8AvgX2JipwY65gXcUlCyrU_yYlXFCVCfPy4-1739144785-1.0.1.1-MbTbS1PQa2l7NCKx6UB.iNGXVJYsC1s.nt07MRtNnxA" + 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