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-815445504225.mit-edu.top/post/7469328105

  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-815445504225.mit-edu.top",cType: 'managed',cRay: '910dc3457ddafef2',cH: 'T_IBFyCFIBaAM1qAUsordW5ewy2KbtePvS3xuM2LTzk-1739375724-1.2.1.1-cOjHFpP18vvwwYKqWqBMC_ngpZAeMyz4tMnJzyj2N_fwarLttYtbWnX4tl_E1OL.',cUPMDTk: "\/post\/7469328105?__cf_chl_tk=R2uDizMOLBMG70iPvruTLgg3csz7da4kSISLKT27r8s-1739375724-1.0.1.1-3wAT9zgdHc.wI7B3Iv1YyWxK6NSBu6moOggP5VFwSdU",cFPWv: 'g',cITimeS: '1739375724',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7469328105?__cf_chl_f_tk=R2uDizMOLBMG70iPvruTLgg3csz7da4kSISLKT27r8s-1739375724-1.0.1.1-3wAT9zgdHc.wI7B3Iv1YyWxK6NSBu6moOggP5VFwSdU",md: "wmTnSdqCOV0eNXsohlcK40Je39pX7qSYBAP1_JEFMK0-1739375724-1.2.1.1-ptjKj8HFK2x2QAVqAR9aLEUNgprxVIJtCox3_lkq3dX9XkZqZCttfJJerMfUzNP_jwQDr96__JdrXyGVFWJfHCsGO5LlPyxPOZ3rWIxDPrWPbt3A.ldIp0DJ31dwuF5AGtwRa4xIH9NQfOxx3HbXZPJNs6dZFRHGqj.KQ98cuqpRqyO0lXBG_Kc8R8QiY8YG8oVJCrlWRPwbddcMPEGWb2xuAe9gqX1vIUldS9PqINvSJ8b3d5Tvy1ORbe5s6Z7Vn7bZpxtZiwN7gzKLFQjb8GyQWB1F5GsIo0QqucybuYbl4.C1Jac00.uMCT7o5X078veeVPCKYS7K5NzoFtMcpOtrFpnoNT.2N_wHIYI.LI7WZYSTOyZH2xhp0iznDH07wMTwc5ttBG_GjrwPSy1.nNH4WOCrxmuBXcUee4PVYSUp6cA7RLYMHaKgIOmqLpbEJYb2_AE8VpfYvoAVZBu6TphvQqajxOF0somYDhGkkrMGdCKuTCZyuZihqxTgY8rPL5718uB8MVt3Y5hBaYdxe_pSuR_JVpmZ4cKRGOiA5vhySTOR9l7ph5Qsey2uMO.y0NlZ03lFr7rkZ4KyUT6Ck88iptH.whTkUQsYyyFSDpJlAEIrmgc93gSPYdThQQVJSY1RUE6_ggOZJq2ukkgOqf3II0_5L2PjJmHaDi4znWLyXjbZuHVHmIwbZOz.gmO5qmDJ46S11e0.TT.qnZWi6BuMZzE1m.MVl39fQs.MlgDngSpdbJZFsHnPWvWdzZSDXgMVKpNzKMhxSjoNLvQLLxXBHoqzCJ_C03vKXH4v767XKslbEXZy5WAXgZ5aCxAV6gtqhBT8piW3MHgIR4kYBIWv2kPJQm64AvlmjX22BZtnS6Cmoj1d4Pl82DykngxRjaPDeB38TaLvAjd44FOIRyCvJvsG1yCNsCy6CjJxgwiXnOjHTTDV1Enb1eUvsqSQKOmPR8XVoMJVI5dKTSD9FS7oP.phzBrUnBDuI_5ddzZJPhjnKAPS49W924knr1LHLs_RfzfIUG0SWTCgdYI_qJlRHFHIR6YDOQzzxXioT4X7sjEfPy.Wdk5YYNXlKlzdo5ztmepyS_uLXlPM4mh9xueYsWCFsgo4Enu75WlEnttGVFqDQHcof3vX5gnhT.uqOvRV4P.GLPB5guvUXzQnJJ7U5UPdmHvsBF32w.NNhBgCc9MoCmEMTexVEPdyzFePvggQ.2DIe2ftoc.noCzTuJXRsSVF4NPMfhSQtavmdJBnRiVNMD4mKwqwWe0IKI8UH4C2.joVGT0_TQiiNwWzHnL9DgH_8nrvXBMTRur8FnUgaJAcaTQYW2uNPMwmh5IT3ESeePY1.2CV2y4kcF2RCq19mLvpWQz6nUrjbGk9a30u.Ojo2sapHsvgxeJiit67rdlXOkRXgmONBZwRjDGyxXIXgQ5nW7b0cxNBtf7ObXKHQFPIuKvm_WA5qEHAzAczHJxAiAxUw.cyx2Fl.Xdh.PvICJAhDuqqS096vt6D.a0FjXxnuDGTbnJ0l9UQOeWInUVs22Fjg85FBUX1qMLNV4AW2G3fH3yRfkcFRvuBIxYPvClV3Sf3MPLNyuYsHgW3mGrDJDdc0t_xQt_9pn.3hrglEuvdW2o0mkKs6ATtaajDghsfg5eK3mBi0Dycr39f.9wH3SK6Bhjw7rI3YzcgMITb6Fw1YN3pCvmBbezHHBKd8VPX0nlwVW4446OQH2XAbfLdwa8930an.OILsi2wPaEbL2k.C_nOcTkWljwfuwqI8eDCJlRELXJKDLz1NuEhSBZf_CtqnOpYVzTXdyH1gJ8dIbunDNU7Mm6s_67HnuZm9_wwCGSx79Jzs.hJcuTL6qUYCOP4C0hcCr.cGqtPkl60E41qfMHgZBMSOTlwjLK7B58U_Ql1Q_HYg3Of2FyTnUGxc78cFJK9NjgS314mcoitTgJZJu6Nbu6svX2lePjIVlHUrSfKEdH0ynwty5lEwS26EunGNUa2suArwosr5JyeTuMYyuRYxpx.ad6bZ5H1uucTTIr9liTcizwfysUR4PylytiuCIFknx1EdO7ikQoVlECBZurQwGeJYg.kDOdbr52hKpBjmCVGgGwVKehmCv2wmd_VhqnQGGVzFSvHfc_i0fPLNzGCy2YNfUT9SOTGzgFgd4yP.8W_.lnR3pBM9VnsMErknrYQiBbHD8vhSQfP3q8R5UBP0UwUQnKzTOGUwQDGKjl_HOes60b2Y5_6",mdrd: "pyot2CBg.nDvNDdav1TYf5fQ9bwNRPagPbBMGef7OqQ-1739375724-1.2.1.1-HlI_.mkdcg32oU5kgyn_nChhUSFZkt1lzSBFL0eIxAmSKoxAlqEe3KgBckEFzYo9JlJSqzB7IIvePHtqijdQG9uQYmkbvPYTrq4n1xtp0mviOLdisKXPI2uUy1T2LeQ6Ihi_tNh_UJz0puVl1oHiJ91VuJFxUdixXlayj9HBEsCOCSARcPqCgDkFSg.WcMK2MNVDG2PtZlL18wbjF_APYN6E92e.95fOzQEBeSSraVUfx4tefLi.hEWoneI6.Uc.UL6ed2KzGbU6FGSOnpQfdvS0tyg8h9Z9XeyY7yjFocGHVHrWb7QIy5myqU17_AAy_TfO2wYSOTsd6ZGoxy4eMqULqk_6.K38486EN0J4N4yKJwJTy9scvOYvUxMze8X6ceS4UawGEuo4GgI5Zr9BIkL_5BmtyDCtCjPjNDxMquSChAWbcrLuVfN01ymgLPWajK2DkiYD7bILboSPUdkWebIVLuE.7OMhzeViIsBgUOR9bPCbFj_I.ety6qguPrni50817xPv7_uFq6rRvHLVltF5UFxTPN3CoV9xd9l8_tX.xjuZCpo3RnF9TAsTbaP9pG5TizZ31lbUja3E7FWxhjC1Wl0dRRI2NJO3SHBHXSnE0bm4a29fNcwa3g.yu5FdB_MMg08IkUuhh3zQVViUvjhaGqLbHdTVCtAFv2vwCedQDN72Rkps6RILz9j_wCJ0gqf_elO7P.nd.h1tKQI3s4Cv7QQQ8uY9.4oD2bwL8wJB23hQfMHXcVSXAfYItbnDQgiqajtFdLONcAZbfDfJdWSkXLZOrUoJVX36Kh5n7ZxjWueORP9D_CAgXrkch62ivz7tHWRSNHB9Bb.v3XhefRljqfQ3XsAU2tavnGr34KXy2eE_DTcNOPeVJ2wlTO7coYO_4TNc8CjYJAIsUV8glkD7WEiUY46SbzQv_VMK114mGfcEevVVoFzHmPQyhRoTCYnCsBMceScWJTFYd8rC16bXR.uCpL69bfoXE.zxIDZZ0jYjUk95ZFPzmd.kVCSFTKMpA1ppEVg..XWjYnrdtNoTG2rMjQ6VrMalNOagLCCscuW9IC0GbbjRg8WdWVzba6NrtFUBmiN6qfV5VneUUwC.m0xaLt5FXHoxx6QUkBQ_stLdJduc9ozIgNmILfie._ZGTnGSKhl1YAITAoRfnk5zeVNcwKyySj1kLe39wBZ.M0JJHC4yuRu3K762.G5rEUWpWb9_Z_PLXlmUuqwyc3kOKFYqI5CCp2s0NTJ8qP5pr_n16_1X1aKzJeHyHJgOQFxk1gZ22Xyy4SZ5qPcpKpHjnkOMlQ8l7zaXHt8UJa2yrE9vkVl4._qy7TUwFwNFMfUgHf8jQkrnPgsz.GOB1sSXw7EE8v88NpC1IgFRAvumVHQxp750MOzUG.ucuDTICf_uB0KbyyvpRtG1GEG3AgXJyWXAuVGvGPgZ4SkcCn7qEPZbxlxDtXzBXiU61J7oTv2IZTniKWsawUo_15TuIDjCAJazzpIuPdRm5RpL2Kh17ubOs2pFwNIHcJpqo18iPw0cUH5bxhGc_xXm8MtaMp_REYKpdl9gujZaRBWT5_aq6KamezOhcf2RgdgRelIRpg5nqFrcsbffi1OxMoUeMaJlIq89snuJpJDgFgHwF_1h3G64OtxOqem4l8RWqcFSRmkRi2fnQ81_ir0OcghK40PgPVQkMAN0SjGcS4AMNw5_LvdgUxP7U2AWQCcRtSlNwOLu.UCVYjsxL0F90F7Hy1Du.tU3VhraBcxldNielYsrJJQpdUrXMDt7N.8T88S8T237uzYSdqxS6JaVILHPCQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910dc3457ddafef2';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\/7469328105?__cf_chl_rt_tk=R2uDizMOLBMG70iPvruTLgg3csz7da4kSISLKT27r8s-1739375724-1.0.1.1-3wAT9zgdHc.wI7B3Iv1YyWxK6NSBu6moOggP5VFwSdU" + 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