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-affx6j32z.mit-edu.top/post/4068572913

  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-affx6j32z.mit-edu.top",cType: 'managed',cRay: '910f6e159d378844',cH: 'udJezD23oKqyGGhoFhmp3mt4FNp1fG1IqyHPu7IgU54-1739393206-1.2.1.1-JwXTnp7lncLvlBze8Zqh2xoae2vNa8ucnueiGvNyoRr.LFngSOoqpSfMGDKO03XT',cUPMDTk: "\/post\/4068572913?__cf_chl_tk=RoPUn0JGyjzG6XCAPNQj6YQNIf2MCCHXdvsQoElVOSY-1739393206-1.0.1.1-bxrJ8sSVR57rJ.ltaL6MO.xK7QZ27JYGHtS3lIuGpDE",cFPWv: 'b',cITimeS: '1739393206',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4068572913?__cf_chl_f_tk=RoPUn0JGyjzG6XCAPNQj6YQNIf2MCCHXdvsQoElVOSY-1739393206-1.0.1.1-bxrJ8sSVR57rJ.ltaL6MO.xK7QZ27JYGHtS3lIuGpDE",md: "uSMUIwH.mWWDDF2lp.2LOrYCatZqzXAT4TR.XW0iw3M-1739393206-1.2.1.1-2eRSsm02U.Fo3qOudYn6RliFyHPisBAlCp412KmkM8X0_Rn9U9.nYOYqQ1LLHK9VKp5YaEEjEGgx2pOBTg3oA4KRBGntv_K5Fp5ZowTe9GjN5QyZifVa2RQbL16jI0te8iUAG7ilD8wH8kCQAWxZusO56YC.fF1KfCEC4LDrkp3RkaWGsIDWA7xPtOonT4SMKEdbPWm1UigwVtWYZcP1L4opzXzp3EdLre_7tXMySyH9UFzer9iuhLKt6tMS.v.xM_oqAL5Jm9uF_30kgBHrybcZUTI.8Q2q.BYzJS9z93JOjdY1sgwo7jnQ5d5Ty7LaF0JXS5k6CDvyfmj17TzPg8S6VWOwFZmiX6.vf1rvN8aGXg2BPgGwxMBC0ce0laf3d05CIDYnGHeOh_6br8r8HvAw7Uc5ee4hM_MV7c0EMuetbyGENiTPSFUGXT2wL12ICBYwVPrmqCXdx45xXnztuz1cykHJiBj1Q6FvwmShmw_YWUibCytw2j3te8SW3zLyUif22WvGJMxRZaEknPSSFXiBM59nmiMJg4Z8RZWV97s_eqVi.IgYQNKbqUyvrDmeg4vgNWrZYmVp6CAs9JoflBdf4z9NtWbVrZSQ2.rcZh5r3ZClEPTGEnmLtWdypJEkPQh9ZP.H0nHvMSduFcKSa4NrP_zn8ud6xeZFfYISJ1T9zFJZ_v4d9PTOuhkHFG7nMkoKff3cfz4rWHHP17EEKax70jTVj12QWUOOfhO24BqsQwk_yj1H5mfZQxQLBgOjBc9CxX3L7D8hktY23kaTEEpA8gW0cZUhTeUtWwo_adPXjMg2Q5DJRmR1wM4Gl3R66ZP8V7fBwt8LStxW6UtwZzS6Fd2vZoxHy1aC9hp.pvtWUJKBG.d2meLafCRt59.o86Af7NYyDaMxib2W0ZFEvAroNbxAl28MXB8PFHcZGC_fMr18ay3s6ElB4aJ8kXFsTL1wSVXwHUyU4NN6O9uVS6crLWPjwpPJDuxD9EZOyQKwO52U1Hch5FF0J9_kohwcse1phvjuhrA51SK4ECX8fW8M9r3X_kA9xJTBTBzXa2EWHmmTJ4a5e4Tl.2KQw94QyNUswIxLDl2SffoGHNxuAM.y29glNciqxfc5ruyNorC2l0oDUo1tDCDY7fibmfoCg73LfnsCXBefonXUSeKhnVYBijfTbaF5sGjBIf75yv.c90FKPtm1kJX1ZzI_iHhtRoT2JziFetyJdk3l.HnwNIbsDPHfauQr8zymrjWURefPvsHDNgVac6ktLJLUX3xdQZfQ_TOauGdgS3Gy06CO3B5BeobyGafCg89NzPzA_jTLsyQcklqQSeBMWYKSAZlLmANryBCESELCQnQYDw9OPZHXEMpWfyU5OcI2pD7md58nhD9SeOGFs3kM618DhC12ZxWKEjHXmWU7CdMNuGAYKM4aBa7Bmw2t7NGPmsXBZMlOD_FpXzqtrhoKvVAGWCA52puU6XEWFslsEvvJLgL4G4sSNNOVVAmWPvCNaisctdKEjJJClunTfeE5IQ1a79EGf5rWmF5IlNkbhwTfJmsuO6V0OsvWNy6N20ms4_SR7bXG5PBv4UducuyozeM37YfxsYacc8uthMkKRC0sFwXVgY4SNjtUOhywfkGX70ljZ_hnqXwrsSuSIZd.jUClmq3X8AltD6JxQSPshoC_4r.DrerJoHCEms6bqj.jOvm9KZMTKOG1bcx1.4hGDt_Crsh1kYPA_AOk.YF.P1mMwryc.UbTihYH2IZsBCsnMdnfaihcVZNU4Lmr38Rt75_J5zWhuV1vBfxsupHlu0SxOxfdSr2wNwWpGKUZ8V2ZkYpOeKMAro8ty7hD1YMTDPUvf4aL4PGf5oUmued.ps6VNgkv76S1TGEvLCrMfejzMYVcxhd7AtO8Gq8ccslF9QRAZr8OYvvBXuae64i_k5bKVhhF4IfmccvBMFt0AC3cRegmkGGJzdjRpXhlNqEqm9tG76qrx2kFhKdURJYTXM8TSLESyieb0Jpj13HyCFEtJLi7yF8TVW0dLKu2L9L4D68Ayz0Eek4kwQMNEoWDVBznfGwSzGhBhkH4X43ucup.._N7rnKuzYmJNL0z9uTy.tchtGfCmLrwf2olKdSpKdxI66l5JUJJEqnjGTCLKnxP_GqLYN.BEhiCZ4b_hIc4n5u4cM2xRzndjOIC.PLqLnShW6RKCTl7kOY52Jx421C7bdg9Hor3YjM.TB6lrmSUtWUP.z2m",mdrd: "3UcIpHIccRkaW.gLqW17ETb3plylqDr0q_S1paqMhQg-1739393206-1.2.1.1-oCHIswxMr2k_TC6Rul_q2mySgck9dzeuIG9aJJDGOMKqbSf74T9JNktIHGIXrvFiQIHq89FU1v329jEk3kcPvwT5_WuSRo3uSF6aeTDSLWnl75cVPiLRdRpNX08fEL5n74i.sGsHpt0ev3nHdC_ILih4_Sp9jF6UwPVCPiAp.nVNc2fxzp_aeVovTJa9gDdyWkpFg8xc6J8TtbNgJRIl.2wGxKYz6RGvOytpGgKmPZQYEz1CLeK.m99.M4Sfc9YMYmVHuD4eRc0nER94OulZhdIL_rG7b.C9.x7z1HSWcOavUJeFJCqxAgJ.r.xpBMPZ304.sxVmCIBglG2wPxMa81jn3ZifZPMNiplBJ.o6Bt7KinJff.mttnnlzpOv9fvcPIel6_E4CY8HoyKP0utE75ZXRfh8FiaDifbj1dnWeklffClw0EAdAjrLkdyxP54uLAfpGRq4rW0Uvtb7Z0qD6Bsp8FRolmVG0Fd50LhRVdJJ_JjhQ1p0hKI3tTazMyfdXzVFacs.Qs4YB2tNowsmnHN_iXHzrhcWRLV_O6w3AiObTN4UzGgRKKybk5xCHpt8gGpHo9G.H4bcsd9ClqN4MissWeH0RotYshBtrfiGT8Rt1jrtmdf4bQ54zyNPNU07BCvRnyzcA1UKKMJiXEjBCg3nLElkwK2a4Xq0qsY6s8.PXOTBrxmOX1xJ5Coxy5M2twf5NU0BNchHi3IgHrv0.NbpK1JB5fFoXIX_1iREgOmz_IKkBHhNXhZ74XvYc1ybAyg1eFc6ixQCGZlYN2NbH9QsWPEAMy0TbjATkFGQYfx1uPNLcfbf8Es2SFoUDM3Zj5vQEcA2FGFGMPRb2X8CsgpCPTxu6hIn8p7zCwlv6kxZ.M4ldSUVWQLnMlOXaP_30u65sgwOQ6P45VrJ.6eOXt7CW_McAgPMAhbXruj0sXErD0WXnf95Uum9XnAFgro5a3ZE8ROmOPCm9cw9QlyQDxtHW8XSOrjmBGj60SOhmofzn3GAU3yAaY0XSj9nFpg28LEAgXoigyAnQrZXXl0xn1YbfqN94ed1bMPILIlS__zD4eeeKdfgalUi81P8m2Kgf0En9x83dvqiCaIL9m2P.wsrXmK8IYgtrkIKsz.bl5AXCnWGFPd7WIoZWl0CgJSyUNXOFk.CG3J5YGGOXfb6JJ1TxZQDYFdEc265XV.Wjm0hXEL3bissbEyoHz3wtQUg8aXBSIK1mbGMzo3LRHyY_6W97P2fWtxgE70s1Gbg6F9DY9QrX9oBV.0ciz09FD5yUOGErljlewOIuXO79Ed18ZPgLCk6R6ZUzgParMzoPxYa6H96EtsrlCfawYck0Dur9bKmflQSkIG2mh0uXqwrU5imQWNLwgkLIbS88MUQsUFUJdU9_cD2Han6xxz2qYC0ljDFE8FSJ_IsjmM77zaozVzC46NZyk8GgQ4uueX8bBOdK6eCWFnpgCAmKWUDI9pnp1.ANV5FG9QNTb8Tc0.M.KpUriFJnpFf.9I2mAnQm0FW91r599SzYdvK5pc7n1qvdLFXU4SpnZr0v.fvF6aM.Q74F9i5UHbwVMN728Fgs3vh_UlN.x8EpGJB3FJ9gTcMNVrQaEADPdOZU4lDX573gpi5wdThGbuMKPTtjTsNfQRhVGTitJz1zsMPrth4em.G4x9Io8KU3u3JrmdwYTyx2ID8HzQWPyGoz_mTLcoOjcfqlaGvy6rZXOLgYfjbYuxCuCqXgypADGhWuCv8SRghCECa927qRmmPYD.e3BdTvkYY_E6Qpf.2CayDOYMoSKOzeVqh7U4zM0eGhH4fA59wmuwOyXXYdOtiwJPgkV84TzYVw0PmOnEf6BLeWrud0Yc2"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6e159d378844';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\/4068572913?__cf_chl_rt_tk=RoPUn0JGyjzG6XCAPNQj6YQNIf2MCCHXdvsQoElVOSY-1739393206-1.0.1.1-bxrJ8sSVR57rJ.ltaL6MO.xK7QZ27JYGHtS3lIuGpDE" + 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