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-affsxz1r3.mit-edu.top/post/7315246098

  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-affsxz1r3.mit-edu.top",cType: 'managed',cRay: '90f83e6ca950c978',cH: 'lAd2jOXoU9KigmXqKcL0yhLf_Y8c_6zqxTVBHRnSBd4-1739150082-1.2.1.1-9ETgvsq1OUBwBFBGXVZ2rGEz0SdxjlT4azuCto1_PPtU6AY90IApH8ada1rDEofC',cUPMDTk: "\/post\/7315246098?__cf_chl_tk=8jkg7sj3H.ghgRucAXW7i.STGBBcyCZU6ohU4q.Lf3M-1739150082-1.0.1.1-54IOcEfIMqFj133XVTOxMhqSJHUEDgi5VnZbDIt7AzI",cFPWv: 'g',cITimeS: '1739150082',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7315246098?__cf_chl_f_tk=8jkg7sj3H.ghgRucAXW7i.STGBBcyCZU6ohU4q.Lf3M-1739150082-1.0.1.1-54IOcEfIMqFj133XVTOxMhqSJHUEDgi5VnZbDIt7AzI",md: "YKh_DLjhX.I4YFSPXxheIE1kAV8P1NcYdu6FPczwPOk-1739150082-1.2.1.1-PvQ2IEkFIYwxMXGyBcAHPX9UOTKLUe1hYm1C8FVouT_O6kqkQRmf_v9MbPybMvL84n4IQfh2.KgQ9KwJCMFE.lO15cUHBx9Ao.rLb0GgoC_4dTI08Q1BIgS.SA_6M1YMvenB.DPTSf.5MkOtaFnFxvEvvoLYsMgCguhiUvZU61iau188EEYFUNpCFYqHqzIvEcVr5a9p79tWQ2s8l1KSS60fpzyI.Xzt6E6EraT2JPyKwp1BTWoobS5JYYFgEQ.I.FEALQbyHo4gQn1unwu_d6HcJF2dd5gv6g6ESR7pWrEOjyLAzLSgTaWAFSVGxTVDCqu3KkTr8BmRDZwspFD48Jdirlfd5BKHR.J17McRhOmoXFQiTx19wpuOi7vAcNpuHKmwmjhD1wCLtL7c_hg0h5IoooGOaN2O8p5fuO5UlJhtwX_Z_cxEQ3caGpkaA9xKD3Stw8gU7eG0MA3yK4pZJIVNdbYLGduVcYmq7yvar0aIFtTphy6BYObxLY6hHQg15_rFuTGU5qTfOoJOPFyenokdndb1MNNPawX1_MFGOaO19phM2l1jP.uFFqiKwnJG7x2rAbo1PsFGfUjBTqCfUZDWrhJT1zIGwqECVsDJtl84alTU89xY0NEiGjnb_YE9J4Vv8.70A__V0.kq5wjGc9_KHVSBrR2BHGK0FsEPw_t5SjYO21fe1NlzuIc7NhqZ_5vsIqhHwQSttcdq6aTizznxB6JskRyV48nRpJQmdvYlN8XU0SOeHzIdWU_yC_QsNglBp_xUGj_pmY4ZmBKmR6yfGHd6qzJDs7_NA7iZnbnSqA6T4Y_.iFm7XmPAYiGxYs.NPat0ZiMnfQtlHnXZFuAsEQpacuxYz9Yowbzl5roQI7sIB3DnNe.yw4E0iK4REnAOK.EmTxbpGeXpyc4oQRj.3FAL.6v2MllxcFRHhLwHYjuL_7X74zJL_cXncI8LcD92l9HJF7HDfuVw6Er7UA5puoFxx2cyC9ocTeJcXg6QHDpPeClp_QUFwqnOQY2mhGmXstyGGCY3Gjk1DFR8093EZ9hwSkhCBVM3jRf1kmzlNPQmMnZ75PEOOWR7dOIJO6565R2S71uZ9Mo7htBQq_71wtX9BhmJ46AH.LCSIrgJf7P2Ri4ArzNx07j6P9W1gcZldT8hvbId6w7WV2l6Q9HdllEsI0yVm0nx62VhM8fwBPTzH2.IVhpRay1_uNreBhgvoEb.bIWSCJX_1LAAp.lD7dVeBBpq3HJH5vDVHwbEoZgdyRnDBS7f3ZIdVNrZmnon3vfR720zZppS17z1pM315MlhrSo_fis2Smp10CwoBFgEVZ97ZwhZjjTPU9gkiiCFS7kMoOaOSnUSUVqqhB3rIht8SwcWPWcmBabgXvTqi41w2ChJeeNXJcJY2E8XgVhdUKxub83danvAUw5G16dAlulXO5RQY5Ppp739VtKeeTf_CFUbfcSJz_B_oS7_I80vBYsWLA0YuIzl9uvKOcuivMUWRMzExxJNDNvG_eUMm0DBAIkgGD.L6JOe89sFe6_6DErkaiObs1p4zfitPD2m8uNBHf_j7L3PZoFcb0OJL5sZXj3W8zFTshQ21cO0uVUgeLqSYvRMJGRyeqJkK0_IyjMH1i7XJNWMaIveO84fJ_EAA2uc5LTmdPZBWQNbteUltaPKE1U3tLO_ClHtOVfwgzGXIk76yna_hF0NNQqhkNphgsKfTC9jYt73C2UJBUf3at5E9etgGkTAzGSPKksxTCP4s2AJKYaOw_mocwOUCb2if8yxZv0RXkL9TW72TlvzWzKNpWzbdu4fexvsW_QDVekX9qCNkjN_.r6p01SZZfhn55JUUbQ.iuRu8UbrVifJwuR2EnQ1KhsqubiSbfmPvXFH9c8GNLogSHW9RHDWIzKa0sjrjruY7V7ry1aZHDWxSnd_wEtF5RzKvyFWlaIsOzC4tp0AzkQGHwXNIgWFTVz1fyHa87GP7BENyzX.P7uAF0693YyGFTwBpNrL27zLVgAaPuJEUqKCLsfu4uYWH5VswZV9p6FtJYegceETCSws5q0wDOaW5zw9GDlth.M5tc3EqwHNRyq2eNPyTy_VV.axTyuQzqB7lLAkXJltJKEefyZ5ql4E38AE3X1CxHVKuis.J2PDIrhu0UNBbKIxM1eEs66iHWaZbTGL8D70WIkJPbfETakIR.sHgboqc7_7mmOQQmpM8DqeeqndcigVuQ6xtep.xCBfjSIFAXQH",mdrd: "k.IEknUDYr7NA.5vFnAyDCrMwJKIQWtr4_tfYLePLCI-1739150082-1.2.1.1-qF7RzUsAUYR9_7s0VGNMj1zrYjLsJbTxDWGwya35oseWA0MkM.u0a1jbNSD1C79NQGKxBDGKQhVmrNuvdu0RRxL7RNPpAlIRr11DwdWJVfAAMZ89Wuk1VUzHBEFOWQMltlqN_FE3F04RrCn_R4jfO1dfa0yCP0I0sV_oM2LiSCPXcZEx7ESCPqaS8k9KH0mymVe58XodgDN8UyqUBDXNbdKJN2cPc211vs2DL7_UpP_yryGG1onnb8O9GDEzw4dCQZcsdJHPpUpggVnQp8bPU2eIol6769wOPSzKBmvfj7x_tjnX5wM8RecF8gmZ7Ynglt17mh4R3yg9_W8XfPvLvG_MPqMJ77Aqg58hWATeT4C363ayqtHdIxLM0Fz3T5BGURrfQ8Id1s9uIeYNt9nwsL.VuWyRCvCLonn6hLkWx_w3MDvUsXNV4Xlztvj6b.bTKq9vfUCbdO95XqaOFh8_nengH2eorzoydXisEkfrWbobMpsfrR38jZcmX9Kyd8Ntfwtbfo0mO9I4a6DMK2T6WUVXY8s3YQhMdNxMYU3QXTWRHoTeyr45zeNNj1zjtFW19IHyf8apSUHPRhgoz5yd.rBgGIdNWbig1KdPvINMVd31mFuPzjfUSZzp.QbbHoFkgr1Ha80xCno6016SvM7eQzqC4KBZz77psXEMGChvNExwYgmBkR2CblpNNaeu7b4_yaSXpibLcgcpBxCFzCF5cOxWDTDv4TlQYN2qJzsAEKtAy_ofY738OkBVHTyT5RX6j40ExnP1y7n3mcHJJyB28pTNYcorOlgT0CAhKnjvdvq_vRnPCexRMjle_Iempx1QUPS6LuKQ46zp9F6aON2zWDBR.j9CJ6kIsWrDw8IZR9.voRYd1WFeEnakuoLcwOj_9O4zsHqr2heJ0amD4EMRHx9kGW1nBw6S4zhpyz1hO5frlgSsmeXGRoTFsdIyYVzb0YCyMdNS8Wj7DkZiyFyDG7FISbIGRwHJNIBtfaP09eLA72mEunroSkS.BzQYijypRckWRSOpgW9HW.byvcKNMx.Y5lGMgotPETQmNZ.CxQA5cGwEhrijXfGWs_7Q0eb40lWTysQGNgoOYuSeURtGrH0nIOFxRtAhlqT2pNg7e6GdrofhvfzRxFXfPcLeGP8jbXGZXkFL4IBhxsNNT7O5yACKyDLKUnp6BfVTicTnu4ZxGf9iUaZenLtuLMjJteMkmORUutBczwM8pxAgdNpmrTmCLkik3vcCfHyu8YJBHI6VX_zR.NiHF72X1iPFGWMaDdZVOsWZsxmE6ugGidPrtXViJtk.Hk_9yfiqPuHvXp0lfqFVc3cLvmuXJ5DoPX3x9_kjCUolYOZddM2j.7R_1TgLXvHteNCh27UmaM2Wp4eRxHbmV50h2wbJP4s6XZBsyL.rk0hQOik6ACV8jXIqKhk7XalJMIWgbplXLwjwFqfka9bmo8jKgtBzR8a4dIad6Lxduwp4ALj8EiA0xVt9DkahH8ek7JduP_Mk0ovVLcKE298.K3fQd1QUdscnfgMNWVxMum_FLsNE9UIRJJ.hZoXiLUi1dOwP2nQPC6_kHbWSzDWg_3XYNeZHeetgWGa06Y.SLzMd1zfxa4jo_0mjGx8PVoxsMo2xkesUcFXy6c7mQZ8qUCdsGVaA2veZQoM3.cEV6RPZdBtUiVs3sm1hR_1yW7L8K4e7U4p4E4VEaMxPygCeIBovsDIxRRoaS3ddjXf_8gi8nqyXiepFrLUc9h6MPHGc.7cWe_2euo_ggTRd1OoZG99uqmLhlrMz.M_Om3WVGEBnsYkS_Cjpeg.KH0l1jPyQ2tAbrzpVaD9airI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83e6ca950c978';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\/7315246098?__cf_chl_rt_tk=8jkg7sj3H.ghgRucAXW7i.STGBBcyCZU6ohU4q.Lf3M-1739150082-1.0.1.1-54IOcEfIMqFj133XVTOxMhqSJHUEDgi5VnZbDIt7AzI" + 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