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-437488038599.mit-edu.top/post/9465810723

  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-437488038599.mit-edu.top",cType: 'managed',cRay: '90f3ac6bbb635ae7',cH: 'QFANqmV2deFgCg9jLiwmrH6E8bAyvgnv4KTkLticqmU-1739102158-1.2.1.1-bTyBo_K20cs.77VqLl8fRiEGJpqyvMZ5wuymMhmTMb1ieiseeUJE8M34Mht33HpK',cUPMDTk: "\/post\/9465810723?__cf_chl_tk=LJjRp9tBG4eE7iqY23foM_LIgKRs2wrIU.Cc51AygZw-1739102158-1.0.1.1-gp0kng.vbLhUuSSGpck21PMO8asafv_EDwQwZ7lBCMo",cFPWv: 'g',cITimeS: '1739102158',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9465810723?__cf_chl_f_tk=LJjRp9tBG4eE7iqY23foM_LIgKRs2wrIU.Cc51AygZw-1739102158-1.0.1.1-gp0kng.vbLhUuSSGpck21PMO8asafv_EDwQwZ7lBCMo",md: "dy9DN7TlgPJMHrU1KDrogKYS8JwNqzzGcn4D.9fmrMU-1739102158-1.2.1.1-8GOXysm4K1zA4H6eZq98VlhYNpyCVWeaGu92DQO0eCkGR3.4qRmXfJBXEZeElNh1wQ42iRezTSpvLN7w.b9noZxTeGud7qgle9ZsKVsg_ntQ8y.J1MRhUMVaS8s2zuG5p.BPPQzQjTqbNAJvX_D5ugmYoQzR5i22j5_hWrAfGti9lPwXv2sh001NSfXQ5Nua.9fEoweJhCe4QyCSCAh80wfen4IRFs4anyVTOnIRBTiQ3fEwc6Tub5L7Yg9UnLn2TTlMDy_.MrjiCg1pvWH1KN6b8hgKVp8FXRHYWhngxgvP0mlHVHxFrAVlFeXHInqOFL7ewBnNcrXGwndO5Y0PcXSc78q8D.yRkkx1LwtSAyY1rq7vIHdKC5lqYhdpG3mxDjT.Pdj9AWfkjw6WWTyl2z0mYqDBKyvw4Hd7_c4ZwmktP1viYXYL2TLXtZ28c9x8GBaPxwbdyKATyReM2.VY816FAIe9LjQgqsqMlKXkib.KF7Id480x419eRl_n9wP5SrWUWkFkn5z.4X7hvROfgJwgL1NJF9Rsav2xZi0_CoknEY1kPicuTombMVtyQFq9OYWPExdpVn01Qx2HHjK9Iqf_.UNTNp79OfzzfsGdgQWnQeYpLzZqNnwB3smqKdEcEkNS0LMlmvTawHy.gtS9N24tP67wQHRBuJDnaZjoK1dCg6dBS0RcJaSNADv0zT7mK1nz1yxohWfT9imPRUF0vIcv1eZFjJkdqHgYY1L4TPhSl02C.r.qkkiFI.1MmvaK7UF8NSzVySFURxGqkkFCSp3vtpsCTUewrLCYoHFasRAfaFehL8sMhHj4xDjetgLxaSraS.f5e_McejGssyHo0AlvHTYCJzPOq3wkdzkbbYDCR5r7dmoqDkwJ.6dIWvyzJbmNo_bN6_5k_Z1GxpgCV.3.f5ymh3Ur5Hfe6ACroMpo5hBDC2p8uDrKDdhuAA86JQW4HcPjeuGSROO0DbCoe.3nj2NFWDyoaytj7ovV_l68UceJ4fVSKe.eDJt7JrVA9.qMo6IkP32ZUcwQ2gf2ySlBEPy9St4vS.AC2M8wkfCKnd2q1_vZU4P_PqlZLlkL2ICJbPybsnlIWmk6pwx2Xv41YqLEYBdDNogG0uCxzigNWzKD1KYh3cPSZgNwMP.ND48lLrF98x3ApjasQu4CZGeGujlZdur.5IfsFt5pHIUyLjInQ4.96WGy9btFj3Zq8CCTF2LkqXV_UsdcJvzX1.3jyoe__PgZVWZxxpYZmCDNadkq0crQrQ8v2JEfkiZJqNGeUJznnI9TIWW7oCbtmof.rV_X1CdPLCTJl0b008y7WWZC2c7SiOu1ziHT0yXf_TGjWHLkBLnvp1iYGfd9SyVNk36CYsd1g3o1uUnNYQlMDc73cyxPYwvoU0NGCkepzuohHXXpgU08FWmD.DdpOHPjRRyi5VL_LUsRHivtGuLAqel2IGrrwsBFBP2g9tPNN.CQeX3NlK0sewsRrQgI2MetXyR0VlB_vP4PxaXlRsgLWBsSn8qj7eAxiJk_amcXCN1C8vTE1kp2fnKNcmS4PV.eDDL5MLAo06e6QmDisBidfOLIXDdUcF56GkosIgtyMmBFz0GJ3COVuKwo.Hh68xdCblUv3t3RgAYzrjml9uGbZc6..0d4ychbxez5GsmXM9FrF4m4oFtTvmTm2OSiEhORiPg2ubHQ92qN17MIMJqM4UwF5YzO5pnjBYsopjIrHAG88_f7tejVtvHXnGaBndr.BK5Jp9pCisN8aausyHC9MFXK5r4olVCIv2o32kfjhuJPEn1aCR.W7_o7Rmquy6vUquHPJZzqhfE4.xsa2lXfzIG8itV9_7L8aXIuBVx5WX_oYSQJSe0Ca7KKiWTR8pRtF3xF6dpDxe.6tX4DW3wfN9d8YsvSNS_3yxF37.rw0G5HX5ck6E1_r2Wsv5dnuEn9AWog7sf61aMzGV6BvdwjbXZ0ETgoQG1OQyG531JXEff_snXQf9LTsXtdKiBK_epwWjV4Zn0qOlOw.FZPNFtBciD0aaNcbGflxVHQVo4O8IJshPLutGcSW60i19Pyv.wJuVgU_9fJl3a3YDRf4003P2gnFlOsyham2tObfyIw3WjgHES1I7foZn8J1v7R6posLjO.Lz1oOLXihpGcth7mcOKJDpwl_RyZdKzd5ipUJwBQwq1zX56kAfr6vZnZGkN61kh1cTVbiSzK5fDL7CcEaZuEr90feTYZQFZL1PKn",mdrd: "UQ1hx5m3je18jqW7oDTvX0y5XmpEwHBIGQRmYt.E9Uw-1739102158-1.2.1.1-K1Si4fVuF459Gw3tM1y7VOo9cmbopTr.1yE3q60PwP.CFrKee0.BeBssFxOTqL11sd0OtKzwf6dadkayzT0SCrd_.aB.SUKpMFgnWxp0Z1FIYpDtTaRZoChmt9PT7mjDe5Y_1nOr4FNptiBpMEKM_5A_AiZf4OUBtCUAJGNlgc.rIsmbFLLTDx8dUK7Gh6.jr0SI_RkQw1j_n6rS5cTfugj2tbPycRTVgezehDX_Tnbc7rjRZUVC488Oh9ls_jnI3lX3H3oq7uXSTFlxKmN_Nx0ukUZGA0R8gDYzBKSeEZlnXktGW.V1V.7JIIJlab_e5nIxKO5g7n0oTguOZuLfEDqu1RZvc0uSpCgqi.cRTKDEG35SebyP5xqO4OEP9bUB8E0e2BlnPph3zZVtsQRfjcbZg3nvDsTkxV.Kf0PQGzVh9DUCRk7lQ3mMy1U30lW.eF3iFlQaGMZRQzfW2RFTk1NIut0B9NcJAoN64gDEhHd83AT9sfP2kuh.3lHNM5XGRsjb5CAU2asRmNdSigQZ0H3RgeY0PM.l103y4HK9pmZ5o1RIJopGeovWwhTGxyWyqHElUoXd1451pmt5EaLOrWDc41bEX7y5PhSZWnN7bm.C_gDU0rM6Aqz.7xF0FXlAu1v9MC3kzNyMRLLUTCQ6cZaLgwzqyGmNpHqJklchCEgqDMVX2JozCp4YYZ7dBpdLVLNlnlYkICg5aLV_ePhp.n625yAt4fo6EzLlW.O7YeevDf6FwlEKUHDmI7aopQzI9CdaMzHplaVUdac_BA_mgiAbpdI3RmeY3NvjwKnwchFXk6lG7Uhy6Zo9ORcIA8gCdRbz5Ib3YGTBHvYqf3lSqw9FcU5pNK1Ez1T15LapTmGbnN6fzuSnq0anQ_U362L3vjobLUQyxNnGaq0brftF63lmGJtt1USGrJPTF4c7g.xq_qvsMVGUBwiSWRuj2edKnult2sfGIFYUBDU6kcGhAZFlYzI2eTOe3EBM93yQKAYs.AgDdMcBGdIBowPQxaChQoLH3ZSun5HKjhSYExJmpez_3iIB4QF3KdGZZGZD1wUiMhKGJptw4UjGRTgH1jAfZj8rgz6dUagcfHfbnfMhR43Vz7MZgFNROrnr3D8YY_em_tjAVde8sQCMiwu982DqIWtB_wbMp_epOfVxJWXNARXl8_YNXwVs090goMwFeanJgmFxQbQeYENRUQUR8F6nNGz6CqfJFaSU2fFBAQxaVXaEfC46uF69SjhMyP9MZWmvrdY_6bThdnIZoAXxj2V3nJ3PGgGWr1ThG4B2h5NGK8O97VryDh2y1.FgwEuc5U6tNsM2AfWO4TvanDY6w44AgdI1wLbMjFfW5Wu1gHLqRUq_9QwAtTh24x6GS3wLO29Q4j5I4iZEuCYlMcb0YyHHn5pVzJCwdAlv6e9Eh0EpRsD7OssE8nrYz1uxuyfBSfONd3_qCKidiLX6VN4u3q9HLhWwjOwwmK4HuzaYUsDWDx36eM2iSctH0hnzfFUP3a.Qnovv75eOtyAPOkU.74S0VGUBmlBz0qGZ3i7OqPvPQd0SOAS_rizlivwk.Gr6iV1eVEYgtKGQzCK7AY0Uy.w9ICkcOy13VyIol5UJTr1rBTipGAMvGQfnM_.6SFpSQZir3Xf79sK456iON16SL2eJ97LheKaDspbwo2bhlpG2oHSg7Tb0_j9PPOiFuqyV.Lx.rpk8euRYNEM4IoYZ8Hqw54Vdd49wST6n8TgeNdt7kOG5vg9hwi13EvinOgXMQeF2TR1jGuJk98nCIqgujRDb2.7K07AQFcQ5QYOG6QiBUGzNnUgzzzq7f6fLYLPPNOY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ac6bbb635ae7';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\/9465810723?__cf_chl_rt_tk=LJjRp9tBG4eE7iqY23foM_LIgKRs2wrIU.Cc51AygZw-1739102158-1.0.1.1-gp0kng.vbLhUuSSGpck21PMO8asafv_EDwQwZ7lBCMo" + 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