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-223345560075.mit-edu.top/post/4625789310

  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-223345560075.mit-edu.top",cType: 'managed',cRay: '90f6730b1a919c1e',cH: '8UKoxkJR6JZNU4vwisgPIItRt3XAMSQmbME7O2uU97c-1739131265-1.2.1.1-nKe2dgdKN6ncJP2HHXWPUEw.87n7AiBcpgCaUB9vnKA.Sbvjhedz4cWZ4fJZesLR',cUPMDTk: "\/post\/4625789310?__cf_chl_tk=4Z53AlkdicHX0nXZUb3uTlMsL2LUsyJ5kMc3je73Gqw-1739131265-1.0.1.1-BAY45fIlXO9Jgpo_M3abQCUFonRhLccU_74dyrxoCrc",cFPWv: 'g',cITimeS: '1739131265',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4625789310?__cf_chl_f_tk=4Z53AlkdicHX0nXZUb3uTlMsL2LUsyJ5kMc3je73Gqw-1739131265-1.0.1.1-BAY45fIlXO9Jgpo_M3abQCUFonRhLccU_74dyrxoCrc",md: "s.znJtuijRe9eNaQGYYQN.IzlW54FHYgcMkuIDiLF7E-1739131265-1.2.1.1-aY8xQpQQVX6vVmxAEyQc6ls_mI3ILCPmukXqnMydSXtbKv05NkE048LcKdycTX1HY0RL_xws0citEW.U.fUW78Ku5yxqKLKZuC35dr7rs.DwH4VIkdJiOdqY1sLaMyPK7HvOq8zp7dBG_3UBmSspAUyq9tJNjXBlav_aFPL8eJrhnem42bOktBjVm1MXECLoFnN3ul2PPvHFynDsjaodPT7cMxRCmHvn0ntkM65hODF7T8.v_1ioSGVB7rS6.6_i09TQStdAo1UYnBiFWJ5M3YvLH.jVrNMiLTjROyBdJh2.oJ5YJOMelIHcVsXHE6OQB5bswpjERGk9TxcGq1EMWLBBT_TtnfhAiqTD.uJMtuM6WokabUmWMowwAynqIATOU4i4Mt35WGqKRSVlYP5IQocykd3mQczh6Nx.S4yxhwzGROeoWmDGigP2Ext6i4eA32C1EsXAZSKxSVAaXIaVUGxVulRyRSnzyizN6Ri6OdBWfoTdxR0Ps2BnwDJk9cJwMsnAfGn1C_xUS7KR8T3Gq199ygFu_ltKb0DZrAk2Qv.sWKpu_qwa7pBSz1K0HAJeV2jFSTG0pfqi6.kGJcaeCgJlY9B9khnC1R.Gjd.F59L6OHQ1akhs3GB9kaD3PRHQNwh554zlFOLI.tWMIcy._yy_pH_gX5_mNnCicMo8.BAAtL66QEUPejS6cQZSX_z6rrTpe7kcJXsgQVOeXmyZMpdfCQdIPjVPAxNtubzOxYppmTnbBsRROoM01ztLjuXVeQq1Wv.jUoetDmXHjeUr6AyOuTCb75PQgmYrpuPskwM70pTmYpdV9GZ1eo15tbZt8TuTnbur2dSnZn4hESbLcW7c4JW.45ZzR03r5Wp66jVpa79tP9xmPsoSOGnLWRdIMU6Dgtk6bkz5j8L9BYDCtUXFhiwSgQ9srAnFCYo.EtGr0tlY1rPIl4CZkoXNVFXKbYpGN4BQeE5RWN.QbsbsBJ0OIrS2cZBLDGtgywaNfq8gUR0hJhhIPyY2mgvrWqjED0y8PplXI6JkoIw3eeKP.Ij8Lin5RJkr6JfQ3wmuYHEvgjQZqlt2j9YqViDGEKcNwItYMXI4UhmIeiMada1oOPHE.8BNbjz25C4qkxo19pzYACOzXscKUIH2OeFX7ue6Q6hy2AK7Tlb1htCu30H6UGJ7Dxx0j8FK0oaBYtd1v6rf.e3V1siCNVpxFtG_7cJgpXmUQOmRXKXzBEIJY1NT0naSpce5rtNHmnIjSKQe00zSSjtYOap1mrpDIK8IHmlrZivdOvAVwZtTNnPvpJmjcCVqimGFgp5mIe_f9pK11PVBENTEsprvPaaatgdcHD5wG71s2UnclBPjrsbxWxfFiA38Wr8UjxsLMK4TGapZixkCgHjlJqOA6wUabeW6NC.acmQCZn_yNYjCnej64gy4P5sguC1KsejC9xqMxRQ2G3cAdBB1BQ8ELGmQDRsoJ2tWpvH6q95LuqVzVeTyYrLyCcBL._9hlczc_RGHiqF39brrMqTkfTCPos9LTVaswAdhblhUm_LIgVsFmSjkUy3VmaZdP5SCR4khU24ARJr0C9QCj_Ir8bTMKoEGNZOji3_qrP8Y6ofPhdsnRe9aQF1_OR6hyHaH2d_Cx4vAtyw_pUb2Eu4J.ELOJcsjmrh1Vi.0Ct1nBdWyePEQXy9H9ulG8VhRBL6OSq.acWvlY64j87VSp1rGCZJJVC2oCyvomzXX7Jwnoy9Fo3pGFO7oXs9MLPm8iOc62J18S6pJs63nbJoyXr7Ps6p8UhLYXUpHoiH9lpHKkCJ7nBlJUosaPILWzqgYZJTZQQurLzNxTVP0kVEkbU5Cg_ueVkY82vtj79H_kwLc6qH.VAVhmnsHjQ1k_6d_VPCsTfOnrappMWYtGhjwgX8nwNt3G0USg4fR1_xto8FuNHIn1ODaX0m1upZxyYu4WJ60QT14Jjkv3zIqs7QJu6SGD1CHAF9iLQ88pLf4brXsEaEOhi2DypxL9oEK9jjzjCISxecDfkALAFhqMdDgke4yPumiVrQq1NAM.biXYlbFrCjwVGqpImo59XFIDdCi86bQtbD2AtrMj6ENds_CHwSISNAwsuo3vqRwoL4H0uSW5VNVepwygm3rgo6Xq21pQyJVV99.dJJvjyLN1cyhc0CNCGpha4bZKZLCKvZJqCD_.ennDNjOtGKez2pHUSSyIvxjHIYz6zsM6PD9AdyknCT81RCaMlfn.FDHqfwX",mdrd: "g2x.OTNebZk.Yk1G6nVtIiH1OqIlX2oMYbcHGYW9FA0-1739131265-1.2.1.1-S4pdvaS1g3k84FRAavGp8f6fkZ.r6FdtiXd.DU1bKumTYlBygdcm4ni8MBoqbQUbDLv3cnDBYNWHvyfIwsLEDUXyB92El.wXQDA4s6cMrjCXa7b9p5pihYjX_XQPqQK5BpC4rOvT5n8z2nUIuhMCe7tXn4.Hc7BgKlk23vYw1IxxjA1vQtVoeIE.YlBuuHdGYuXcQeheekNuapodxsJX_67BRPLnK6.gimeiShSNEgA5lIp12QQ3yCqVOs8WcHBINDTm6cfRdqgc66IwCqsqojhVMLrpGbUrbLnH.XaAECnv566tDtN5BDHCWLFwRH.jIY0LWCM_AsL_N4IGAPUdo4jNNL9Qtp_cKL2UJJr9T6XKYBhKmuquNDlHaU1yfod4yGQvexJCZIfgT2BcVwqdWAfk58ue_vn3Hjbl4nnFGiBhF7u7b8VMn6ZNDxcZEqk6ivCGiZ_fT0dTzvrqxc2ful2XSZNS2Jk1RYbHrD3RCO4IxRS7DsXJp2e25A6mPrDv.6D1nY1kZ3JLzU9xFmfY_uVNOR4Ra2w5klDn9u6deKj4rjOnmTzxfgdywRVrG7k5HKBJTVFrvJhN3g0vuf5ieaq9VEnflEl4djhKE1MfSJEPCrUclpZo2G6BqMUbgsRns5OkouD0DrI7K5tMOn6UvXHXN5fq.NWL1enENmfdr_Ve2tJyv.89B16KsQ8QOGH3AYDsdjZdAkYLG6M_U2Opq.iEU1xY6msCWvkXnbxiZyvpSWguRGEKdZyOLS_oXpCC_KZ3cXiR850Rk5UOjcshh0yU1.J8EnCqvoSCIVfXJ98PdnCJytnC38gLVAhTqXTt.WCd0ov04oSmdc0vhwRl70TMl7ciRJaffPddJaX_NQAlmGsUA5NDdXcOrYhAlVRsUdciMID62uWbnF5xWsYDOg_q1NI1kPD25OMpwQK2.qkO7LIF2q8C4QJx98xOeY9jXbVV4YU.S21gjJXSVL0xBysx.UnjPcEAkDlYs0bK9sQdudAiQGnSjHAszu9SXlgGHVQzzLn1OtY5ssRNgwFITlObOfFfCg2YlwhZ6obZyHrWulbTLwhWn_wxuZceJ2kNB0xFG.psWdzdOqbgdwt5RxUKugHGEW26YKFy2jl.iIsdC2nPPPabb_IZxmvjRrLNYGe0EpOGUnSjz92XlRS6U1dg0BKqOlYcrBW49FyUjeHfiQiqsb7nUfmVVGOqAMVGRravGk_4dG0U5MrjvQdyFh4orjcexsqKJu_DMV.M0JOcMppq5psPaW1OMEHCls2Qrd9728t_N_hhq_k7vDRtHgWlZ.yszGiQ1nAae94hsGz3vDzA8DbqYRLc0hu.9cnJNxPUjCzZXc6.6QBQ_WvziAvvaXVVtP0dgKEWxNoeB9Yu4.7.M1X1mzQLt2MTpe2up9PPxufP38uDy3b8DhrK9N_eOUTnKidTT3zc6N9QPkSXyayDzLPvgwOwZH6kmRlmy.pB01g62W4bzHYvfWkCrquNYgXY7LHmTIpJI1XCoyDdrGYyrHxqWPUPFkqttG.GPzILBygI3up.YvLmf4Vp2cFlKqG7Ch_Noj8l4WWgTGNfR.fvyr63wtBldFvr4yQxXTrCzjihxI2Ywnlfo4F_kf50bQOcI6BbkYoNIYD24K.Yahd_M_mZrtXpKFiEbqbjAA3d6F3P0sQOgZzHEVEJUULuxCkmg_BTiBIPBnwF04zRHuAY5PSECZaGmV2B58M4hodpa0PGHg_1ORbuI10VgLgUvfPCJoTXDKLs3ETzjFOb5YzVHl2rk_43CO2SnpoWvmWHicc3R44u_QYhpqe8MfJ6ONtbAzH6KrRLt6buNNU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6730b1a919c1e';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\/4625789310?__cf_chl_rt_tk=4Z53AlkdicHX0nXZUb3uTlMsL2LUsyJ5kMc3je73Gqw-1739131265-1.0.1.1-BAY45fIlXO9Jgpo_M3abQCUFonRhLccU_74dyrxoCrc" + 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