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-323859994753.mit-edu.top/post/6920143758

  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-323859994753.mit-edu.top",cType: 'managed',cRay: '90f669010ad3d6b0',cH: '6KUvOk33VfdsmLTdbATJ3SrzczZlkh3EBhJKs6kLqdc-1739130854-1.2.1.1-_HWVXSB3CFL1zzoNJCrtys3LojfgpqHrTEw2mkfqwGs3WcYbn8Lwr4KhEwoIDDiW',cUPMDTk: "\/post\/6920143758?__cf_chl_tk=54diQj.JjlAGr.er8w3vVvGwolLWm6YvA3N9sSo7E5k-1739130854-1.0.1.1-Zfh8DmvXAag573bN.LmdpWUCQ5Lvs2ugD9bPT1zv94w",cFPWv: 'g',cITimeS: '1739130854',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6920143758?__cf_chl_f_tk=54diQj.JjlAGr.er8w3vVvGwolLWm6YvA3N9sSo7E5k-1739130854-1.0.1.1-Zfh8DmvXAag573bN.LmdpWUCQ5Lvs2ugD9bPT1zv94w",md: "fFMVPVOm.qvbdyB3DxoDweq3lRHLiHxDuIDyTdyeMJk-1739130854-1.2.1.1-tU9z4Dup1zCAVhdHw9MlOKQIYrJ3E13RunVGAuCwBEYMG5CSdPBMtu71jw86IbyBFWQC56Iy6sNV8kj9P2yo3CUtQfMWT91HVGjHFjyMztbNDAStEZHSsotvFv7T0ga9NGGz_eBk.5XZM31wozzJTbzoc4pBYqH7WBvQ8Zi_Cur0dHdw3QC4.cbwJ65gESVmjHjA90V_a7lKOoz1ztD4FE24Xwdd7DU8MWA.JnC6SfF3QPUHH7bfwlr6NvUbKyC8IwTd1UZPImPCcSyMBkjE.05rkeYRon4ggTf.LCEO.rhvUaP1maPjST56apii3ixU1oksWv13FDCEa0S5X_GSZRHpL1hvi0cxJQEy5l9xBu4onaHxbjufh7yaX5RROWBcuMlNcZpPLXECyVCxFUht6_vXb3yM4dHsxqplVWAPtu2PQWN5hqR_WFWBEGeoG05H0uBjhcR0x1IdzjDhNYE6LuTl1otWwo9HtR1n.KUrB145j08ps1mJriT8O8pAr_EhF5qCqFeq20lOpWKUqv3nhqde1yJNeC8TBblTvE5dpJQq.Fob8fAURtCcNGCDnJPf1vE_fwZ5fjwjcQIBB3znCZopsJ4qgphnalnsfnKCsOw6IOWPwJJ6nPfdIr3e5JhiA5wNRU9O0sIC_ZBSkpMnOSHz0qLvWJ5VgsSQS9f8TUBpmlwe144ql_fPkEXf5V_nd4Ab_lRugERIyyREXXkVvdR_2q24Xe9z66mtY2F4hmzQ0KPxU.54k4nzIF61_OpxwuMjsoSP4tW0OdmXr9PS2QDU2lPqUPy2EPGR8kZJZdLGLkNNPqIb6nE8BZ_Gu0gsWzRACV6f8Z4AB9hXo0pm1TbHIKLuLfQ6m5yTXhophiZgdbgXzldNikSDCgoP.IH1U1mb.npnrj45D9azKQg05AWpivYAm_PCNTOeuTS4vozpUJPsfiuMRwiaWWXxidkPBU3nN8Mmw8KKJyR2BzM2gwTu7EL0JzcrZuQrWV82ULaJDFPGFnkHMBpsNKyV9opiHgwToWTWGKkyatdiZMU1fLURLf9vO_adtJjTGlrHX2KRUDZEVsIFQX4c65tjY.7PmxkwZaQZDTSi08jXRt7AnYXxfZa3D1yvO452ncFxMry.2ogRTD_5J8YHdaWFB3wXjVHrxmamVCLe2Bztk7G.rxmNbkV30b_Bvo2Vhz8_CJ0RokeSZH1s36BcRB9NCYltv427Lk9hmlDaxceeMMUNOxIB.i7xADQ0RA6aObqFo_0Fiws1HOltkVGH_K6_mqOayNKLvBOMe2ryPdvg8rXenN_XvZSTqjIlaNjl9_cdkBaZFsX3wptLjcddjqw2BMACa.R4tqPyI37Tgxx0yBpEI3NSGFcCbtChdnGg3xjJFxoYclGd8jkjoe6OAE0oXSMt9.a7ojf8Jg4D0FECZdEwIVjnu8R_68LLpFj7vuwsLJg.LW5tAB4gdf.Gemmx.2OAkXoXZNwjdaQtm4xp1byNs6TpXXVlGm4IyiKtrYbEkqGouHH4xmDbvQMcCawsh60mNfxGfuP7V1pePF2OI9t4JdwxKjiFQ4DQR8LTeRTFgsjsKwqgBB4s4obroMXoGFWUgzPT4NvxmtV9KC6iDWI77Vb4uMS5Dfmwe2ZBVIYtnXG9egGTCMVZPe2o3paEYE6srA0JsrF2X4aXzK5EIiUbF3l7ro5uwmR54536oXNqHQzq9fSgnR7.HXmqZRIY8ZXxLMlcJNdQ9RMnqGNT5LgAHQaiFYopkm8RQa4Q0H69VzsUGKXqBqGRtonZ9X8slg2JZHkENUkCq0ltV9_f4bcb0XmPoL775BCbouJfoQKD_G5H98LdiVDbZkLXcWw3BFdn_KL0IpID.f_5cgsUsfM3HodbMllm8KSu7d0XH6DPxzx0HEjcLasseWrRhFOavhG1Ac411BEBSX4VMgNx5DAPAQzs89LQ3EGB.lfC8E8cfpYfrlGQChL7vX3W93FS8Qy1_Qe6N368ZGyyKN565WiANRn8.PNRxGk4IxJKWbkunoRSimBbmQVhrJxubPS1A0clXmQyCS7xjA0E7MQvnsgSL2PX9lYVc8s.5sDgBFYeEOqmnG3G_KGdO9cLgD1zOrwYptxEdxk_mWcMBJZUl7iQChfAj3aRb7CV2gF2WVQReXMbYMug2R6mUZNihzhemYd_xaqrD.SBV2ZMITuGnbi.xFgRUlcsor19.7v1k.OS9KFyJBjFt7gJGYnH1U0ZT8YD",mdrd: "xRRkT3b5aH_3tmsrbS4r_7oaaeFcajXj8on3PZrG1qs-1739130854-1.2.1.1-xt_bcqautjEHcqt1jTvWIYlN3ftcv9fbxrUs9OqNU_V4NNhJODhFZzwOuAy1ayHOZNGEBUkd1LmLZxajLJFstdxpyTirGFZEcDv81dkQRPBBlylmjIV0Z0RX55zpuqdHta0L91.0E_rIZdWZu_n0ennXXZ9KV7qSVoQVIc_yrALly26COpGDQRUiUtaQ6gxkVdnLE4UmpKWt03Xu5vpkxeaBpqJQV6ZfnCck4yuEMym1hHDmPQy0IMuW4hYLfMdElqMtblD.QRasdJN9GOhswAZgFIH_uokVHL3IKMxvhHk43pYK9wSA67EGoBG.ZW.M5ZG5OAdU5t7xdpa460Vhusx2m5Bo_YjCcrp4gloGDibhd7vYCkur92VCjFiVh3JJ7uT.ik2v7fRYQmrpkJPfOs3CDAJ_inw70nT1oPf7L7ePj1fL_4D9NP8W0uHd7u0XYTbIgKsxLXfuMWMHlcvO4P1wAwKzkc4spe7zbXnHmPUVlFD9LCTxQvG4rThjBYt7Zm4TSqICN7mC_p_aTYavYngWIEH2Cr_Yuf0lXnb0.fSBCg51l72vDQpCPnT7IYVl0VQZzXS.dJAOXfdTRRt5dYz46Vof428Aq4h__RL0ypI7cRWGW6Gh1Tdy_0s3SyDRRqRXt8Ipfis1eFbB01OpbbtK8OVQEW08wPKlquObvRTUwQm.UkjVTuTvwTvbc3B4m4ZS0D0pecY2NjyvtPkc.nzEtjbcOcYwelJyhnoXLgwr7VXI6rUtowulfI3p46jnZBxB8SPjoQ5ONg1B4HemOSLr9qPyCn07wkYLfJc8JNX9vEXzr0qIf5lf93gq0SC8LldW4GGu97vir5ajtxmK9lgop0SlWQ6jL3Y0KYSUy4QvloIA2ZNdW3xVDcT2dFKXYdIcF5j.FjHaTZlYhCqq5NegGxHJT6Bit_oWBMyv9qQm8PQZ_PzCVc3sATci5x6yBrZdQzQcQ7ke63Gig8v9pMHtmG8W7ZfmGMIkuNXcfyWExV5eC3UJvc7TYhe_gbS3DwnqCetUZtpiCu_OFAfDs7iHnUSXJZIqxKs4Mxcbz.dqjfdchoyKtCz_j.BCXejbLBbzQSNGd1dN97i5VSGLWezyeTgt20y9bsxnMC_CiHuwpc7CFm3lhKL9Vpq7uzsCfI7Anx.Y6FikfqOsuxavmGA4OhdHgWqMKn9u7NIVVMr.AkYKwlcR3WzKC2N1IBRP7cdteOrqMgsuf40YG_GS8Qt07e6_XIMybCtQlRsUL_DLKQ1J2zKTUrAEkF9.ga1zl51oL0xnlGMyJbVGeKIAnVWvP6IOQX0HbE1QIRDAFsRmi_b7bx7uUXRN7fMCHkoVYQUDdz.tbb0Md9pTETMaYr1HPReoy8YtL97oskNn_9tpsIu.uu1X95Vy4vE7zTrBJBrl.CSKLMWDrmaOmXTrfjo5QyLLkMmLcoZgukjPta_3FSwBNi9KvtcMeq.QGa9QuGKcBoOxPmArqRJ2Tv2S8.IyPGO2Mwp7hMCTxRYen3rJJGw3pWGOE_Qv4Tgxc3bw2DEmCFovG7Xqz1c.JIYivpGRbEs1NDIJlZIyTu4H8v3ZFdZ_Fa0dcL5SXjtL3O2.jKeKotM_FRaVdZaY..9ZbpSRIkJJeZXjYswLa.B7eyqwgI8XZSUki9lfvVpbkjmeu5YSSQc7JWB_Vy4PHFiw3.4VNGMj5e3weKPT.JjT0SDT3KQjpjssyD9ADf8IRqWR1vImuFt6npuGFRzCGo9jZnbsuuIw9296eswXOxBME7wAsl_LBRQHrmjZ6TJtl2WWI.eDzXi5K4bMDHwravwiFxMFdAdS9.YpEkh3mfGz.pA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f669010ad3d6b0';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\/6920143758?__cf_chl_rt_tk=54diQj.JjlAGr.er8w3vVvGwolLWm6YvA3N9sSo7E5k-1739130854-1.0.1.1-Zfh8DmvXAag573bN.LmdpWUCQ5Lvs2ugD9bPT1zv94w" + 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