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-269386816900.mit-edu.top/post/6209438751

  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-269386816900.mit-edu.top",cType: 'managed',cRay: '90f346bc99cac998',cH: '7LngJjmn0JANhPp1MHSHwU1FCO9xNe0xat8fD6PvUv4-1739097993-1.2.1.1-kf5ctaCfS4782K_qDs59BTjo5q.IX2tbHjpYcVoL1.rXHpKmM0zwIiyDrFnz0iSz',cUPMDTk: "\/post\/6209438751?__cf_chl_tk=wYX_z.pWJXwLo.W9ndX_ubH0ZXwz1FT3I_xxKIkJHSc-1739097993-1.0.1.1-ccLUmu6sLI4ElnwDD_fYG5NRqc8tcmv3fFqfMxGS80o",cFPWv: 'g',cITimeS: '1739097993',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6209438751?__cf_chl_f_tk=wYX_z.pWJXwLo.W9ndX_ubH0ZXwz1FT3I_xxKIkJHSc-1739097993-1.0.1.1-ccLUmu6sLI4ElnwDD_fYG5NRqc8tcmv3fFqfMxGS80o",md: "qaLbZPVGkFksFGH.hxyawq0ePB8Yv1c6AT7lqmnNxSQ-1739097993-1.2.1.1-d5RMER58lCwjSIYC22b0LyvU5BAnMprXm.WAMJDAY_enKjQk9lWSKMUlabvSNzQF9KIF8jDxZ7IfRxx5GkmWHmaVGlourDpbq3bRHguyVxnRSsd9MCnziJa4HB3dIuotH0BYHP5BaROF7M2_UVB.4nkOcwmNURmS7h4cx0qu7M9UdYyt0jPjtrNfcta1GwGMTWU5fgvLiy4iuH9iecZsE7fpmLrmt856UqftNpnpLCoqE_MNm1ohNVajxOHqzWVfIcgtBxnlGO3P11D9vuVuxewTyEB9UG4uHWlLWygv8W7uD0qVyrOU4Iq1kXPpbQASGOZ3n6WfQGJDi.xmwwLle_4aHcrJ5tfSazGVfk8.FBTXRIyGpFXM.PsqYdiYd_8x6V8MOMRFHEwWst5tnfkFF6QCh__spUOu05McR1MKJ6kq0IlIAUP28kkXBRE5mnXpDTr__35T1.U8WsduRn5Ndu9Xr5vodQZBcQrmlCRvIB3kJC0BJwmwCSe8dIjoNwPf3376jM.bGdWGHpShL4Nrouc6tdJvYA55tqOyGU14Lb_jjL4D9Ur6aQK5PaSO1Il.QkXJg7gG2GD_sAxRY7dbq1ER970MRWAPqRhlY1Nn.lKWK_k7QYVus7s7ft6p099x9NqAk83nWkDPMm4kKzlHOWDfTiQjkN3qNLEWTrafwjXrPOvnZxZQphEm5LD2fMg3HLWFsIQ1lAv6X.4OJMpiusalCmNkct2KY7_aPxkmJW0gM1c1AF9Vol00YGk7hmWW1wJ5C7vuMpbKyXrPn9OtNF.qvBv4zkn_Rn0jezoUcFgLwnwzipO7d8.0UH43BHl5_Keqs8k4p2hnfJb28p0x0rrJTHEiZYmUPGaG_MFlHOQxdUW9.WklBdkkdvW13fGi7XkBnVKlYxNBjKWDehBvsf5GILahrgG17_6BXk.Q0Qb5xqfNi3T3ZFs3u6vPwX_7.TZdNz5XMExYcQYqRXhCHoH_bqTwQ2hgb8xLHLMscZ53V4YC6CDFdQGJM2B6QzocUG_BRTslUhGOOHh8KUmyv7lbRJ5T4Xfy7LpJtUPX6RQXCw9Md7zs8snbH0pBJ0fE9mG7moAfpvbgmhklPFk1AhaEeopFYUOZ3X91ElcREUIABiAlBlYYd2v0INWzOtJ_fxo8TUUA00hMBi590_p43PX6I5g2Y338DPscg2Bp7eQc0NdEZtWOMYMa_8pnHzAOvUwgE0_hFlJiNYQw88XW5ZwA2eiBQPZjGAIohXm0lI8jMBHlvqJkDDfDhRVchBccyAFxgALELG7jFNZ79PnyajbTqmbfqfSMKadK2mYSvxDrT1ozbm9G5dD73DuD80O.mIdtl1kcOYJ3du3toO9PCdHAqEvmZzIPpkZolxtp2_m5cKK9Paq1xYRuRKgkC.wV4huBXhbhIBla7fiUg5bm5OkQdIx939YFs6.TDdVyy.1bUXGNS6MmLfVIHL2bTZIbnBOmkHxxPOgFqXbhZTNbWnP36reN_8FYC8DnSbLqxZaB1Lvok0np9I7DLfhOT4d0ydDB0XTag27nb2F9A0pbrMzNP26F7AooloU_jXcBVPm_NRVOG6DLZhS5MPd_TfKm2JPImQaAZJP4Nnsq8wXnvYI8KYmUqK1SO18Bx1n8_sQ0jVFpxAbo2qUO8pLxmCx6KW9kbCjxkdxFBHOdJqIXmSS8PUojtzSt1YUrE25EyOhIXfKafwm6c0KC5OcPakgbKOWJQ8GWWttV7WvO3w7xhm.WScMGcJo5aFdqah5GtQ_DflcUR7tOqUH5U_Jqr1boSskX5lLmgZMP_835rgmRZAqeFQ6SYIk5KwIOyhQMnxmaSFag_heI9Dga_bc9R5YcL8zadbItcPNcQ7FJRzj26I9rgsIEWSsDavRQ1Nq0DWirUTO2sbd9amDwSO51BkgaOtUXIixxBfUELE1JtuQNVs1H.XicCdIf4vlmrcxXB2PoMvXFIn1zrsua1BIQ6PAAxvjE9dweVsX_gJpayn_i9jIsUXHAa3kYSuJuohXIj5C6LD9uZheWzcEhDF9xpAPKze3jPpLESv22E4L5vl_7BkwJZHPWAyuRiTKqrK3cBTp6vdTVnlgfhWJTjOqg4nCZT1gSiGwHQAto6ydQzOlJ8i.4iORWyrRQcY.DV3jjrf3owR04FX8wGUtyUITcCNlp2gpeXRzigC3O2uEVWBOfDHaHVzWFpLW0QboBQKCWxjepBE39Wdwm1x4Xo6i59TV2",mdrd: "exy2_HgyBAhPGmieTq3wQ7GcFgdObGLsNG1i1HHBRDk-1739097993-1.2.1.1-B9Qgt1TfVUQT17IQ4hnd9EbFtwAmX4Tmg7VqpO152hDeIqw7RoFynJjcsmt6eDa3JIuFIendGGyusisJ5QUvbJAfhHMU_XsKLEIzGXbXpu.Wo6koELTQvGMTW.m8p7yL0KfNprTc7OrSu4xcqt7gSyItPxc_XmpDQ5TZMQZQHsYwr.y9f70hk4rDAodLfjESFlNCm_VH_kuIZnjDyY8ILEHdzIq5D2ElYKmH2fVNMpJ2SBRa0s6zXsimuDW48bzxszE18uVuWNp7qltlA0mYSp1Ni.ACR20VQj2FkkSeqvkgjLNkG48FzgwXP1r.pBKNwRjISi416eJEFPBRImrSocl5BqvaKFLQ61Dlw0uNw5h32NldmvVlc3OIKRROnQ9Rww5PABjM6Ervt5qx_OCpowReWrqO7O7Hjt39BzLCQucMoFBC7B6a8gPbGYxUMPq4mW.jKNdPy3cTjaTZdC9n.gKU7QUZpPzIhsnLByE6QGYxrd8uIMO4zp2DerarRwx_b2fvhY8df8oHj.jGGt2BXaPlFrZR3Zm0OPzmvpxvLOPj0TAXNQoYhBdgIu2KoOysGpL1lTsebMjCqrHR1q5bAg5Ickfc03liqa2lJ.anVWGiTU0MGHf5hMNxL2c3labxoFORnhkrqIW39X_f41vEpJ7TqDHhLVEyOa.4n9x7uUD09uU6HgZvmokFXidb7LO1px5dexRq.ux5LGgM6zdQd6okny3DIAs9lFrNyr4BGmO_OsCjxuHfI_857tnjzGNi2Jf6VGA93ymjjcrhAl6Vtt0gqiwm0YW_9RThTn5RKH.DV6ohcC_PcHFF3pYZ5ideFXw7WspudY69Ln.AI1CCDX4vCK9lbYYkDFicHJ8NB773HYaNdsf14cZzO7CL9u8mfRaOmi5CZWg6D2ITS.HTOBHiBHuXKDL5jKbAPZ6B37QYxu7okGLB4wkdgrq30Qs9ObIF6XdG4Ohw6Zbx8ORcgre7kFuWQMNgMZ8rXtKRlCafZVnHoY5KJxUrpiRzAZjRLwfIXMYgzCqmg2Usnr_HiaPYCdyF9PfiWIIAVknyBTtU1YBEw21SX4gqrKNJciuXpDdW.mhrTFNg_WXICRpdUgMn3DhBQqWKL3lR._XN.esbsxdIUoRrcHoeDg2oWFkwJiF2M0RXB48N_sH.n11O8UXNjC_pzc.H0ZzOcAdmr0AI5o_JXoGHNVtD4mMylZLhoi3lz6GTyz77s2LcY3hkrqeb4uoPnb69yVsDYJS6aFsZJdc8KiFpW8clfKGjCnK03k3ciLh8QDLtoDwQQmXJ3mGmqT1rQL2yIOjX1BXBRCEvVswL7hU2zeo1aS.LuE9lh5FJLwjZULzzKGGlpmLlm3_aSFbnAkXM6Lghp7wgPuiekPwncMXFfO8A1Y_v1b4r3ejZxzMbHNDR4_pMWcWXOTXdVFAGK1lNwQ4YBP7tqLkadKII.KUHte_CV4lDuKxTogShh7oWPVmrkZTPpocr2qYhHwrmqSqXRFBayyBurCx2rYLmWpKPaR1bS5j1ai4AfYhFzd5Wq3944NZMsCd9WUUfDe8_cyBG6oVkvl7jW5ThUdUmSsFQZs5qwpjYrSnLNuI7F3LChOfui37NiPemC7D1SYuokNFli1v5NLR497A2A1QrCrOwC6jG_gNag0a7GtqHu.1hdDK20R2_NPHo4z7Z5233Opi.Ch0F3g7rIRDUL.L7v6JMHWu2w7kT6Ak8YrseMhjvM2b1x1PdrGSSLuTUoNc7m4MTpV4QL7N.P8LRn.NWy3LcXjLJKr4VZsT_DrmXzSWIwA7rP7WNZDkUtQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f346bc99cac998';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\/6209438751?__cf_chl_rt_tk=wYX_z.pWJXwLo.W9ndX_ubH0ZXwz1FT3I_xxKIkJHSc-1739097993-1.0.1.1-ccLUmu6sLI4ElnwDD_fYG5NRqc8tcmv3fFqfMxGS80o" + 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