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-179521807084.mit-edu.top/post/5942378061

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-179521807084.mit-edu.top",cType: 'managed',cRay: '90f2e72a8d0728a8',cH: 'th.0RDO1J74dxpjy8JcUVkZLjWQISjUeeKhG1z8jrjc-1739094079-1.2.1.1-kYoKgXmNzWzkd1y2gfHxvJfD5GCgJ0cDTXTzURWHXjn4Y1YqSREnA_iIK7JkW5aA',cUPMDTk: "\/post\/5942378061?__cf_chl_tk=16bVT05R1.d19vSjhVAKq2aET.1rMsaMmuANsEIBELs-1739094079-1.0.1.1-Jgh65ORoSoXdRO0arHN04RVgm41YaRkUeddHgLwrOMQ",cFPWv: 'g',cITimeS: '1739094079',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5942378061?__cf_chl_f_tk=16bVT05R1.d19vSjhVAKq2aET.1rMsaMmuANsEIBELs-1739094079-1.0.1.1-Jgh65ORoSoXdRO0arHN04RVgm41YaRkUeddHgLwrOMQ",md: "2vv9Z3PNLVo9vIoyXn2dRqOJu7b3x_5s2BcrXuEN77Q-1739094079-1.2.1.1-YJNP3ogOoHqnNhP_3QpmbnDCqpe_dd3XttBi4nJt.OsWoRQN8ZXGyG54_6UhTiLsnK6_QuQ9_EdqszuY.I0oN8fhTQV5eB2UVO0Ip.q7lkYjQjrpFOMEKSkP08JhM141XQAzfif5YUGDPyakBEnDtDWUNq0p.u.KNXZ1nAzuTcjtaxYW63BoYwkM5cxwYMRqaZSx4D30jLwCS8F4uAOhv_X91QUNz0NrF6.K.sAm9tgBJLIRtDPtgofqVnmhB3mSimKaCKfLh396ukeM9WBWYx.tbyRqzl8Y7ssQAOuqcrFaw3w5HirufVOMvYIR8POVXGaqx7W8IXDDSVAanhiT6KX6z2V176bAMf8le0eOlVKljb8vKRJ7eh7Mo8lfqATlXwIm9FY4nzRWAk3w1cJ.2Dki2XFDkWq5n6YwpxoADjswg33mSqlp9rqrrOTT4CuM0Lxtr0CWMpHMYeMqp6qeYGf13g.qW38OMKYxJ5iK22aQNbhmTEvyCf7bxY6Yr_16ZeNU_zuy.uD9nExsxMGjxC1G1_7ZhOWuX8YtIUpunWcwtb9VwGNrBwsiw1U9GrkKtFS35kWKq5c1E7RYzjFasMFfcTDnRqkU8HV8oWalh12YSZOCKelNBxVrk4q4ZsBzAyDcBkFbEBjvPhDRvGcY_kAvWnTr6IXD1yewScP7hEORrHu7t7lfQyIFUIREOl3bafZec3086iqZaQZffEK5isSjU16REoiFQ8YjuIT1fEjKAZ2T19yCNQUuRo0m16uEBtwFB5YiyO4GRUy2Cgr2XfqgGUrkmpYLmdllyTRtiMNs4pSXWJ88e2VCxZWFlEScm9xrjc62JQLleKo68AkyRrU5dECqCNYobZL7STmiwYjXUJK7iMX5_FaHczyov.fQCRvB3bOvPgthW3LZ97ymyQH1cC.sG3lS_jKFoXSZ5lPY68fYioRCP_LzYzK.SOIrdU.qq1_grdFxKqBYeTvYeVkJvO6LZofBcsn0IPOkV4qxntoi9uL5UQMZ9AbGxbkgKZ7nqe5kiQNhyCSJ7.vu6tTSs.PhD9d03I7DA2rsi7DCkf0Jm9AnUcz3TeSQHyaSGECCe.Arv4v0G0smYTO8Ila0ip0M4iDE3zxPwtfdLiI61pyO652EMXvbb3NyeBf1z6aylCa.QcCVPqSMW0fcThQTf6AlzZanfX4T66CYutP3HGbMMrDz_HT.sdRlIQ3UeOe6IRTtY1ccy6xBkRvpf3ArLGjUmuBhrHqHN5tzL.SoNuIAeoORM8h9m0A42Lds_mvOQQWuPdQ13yALawThm0_ti.dt8qBJ5_ogh_hlI5qSXFQ2AsQ3KIzg4tTeiimk9Smr8cgsrum8oalrSnI1GyQLkg._SMBBAp4Z5ojnGgGZ95BavaEBGNFq3UD.3WzIQQz.bPPh1XgBlkyunyhBoNh1uIpjMapF3HH5fFZ0tsm9H3hfQ222SAcUkiMdmIKZN3UwpPByj0FXZyo21mjmaA464WAx90dxn.kP_zdqheldXeYycBpbdH.RALJU7tQABdEizN.chRWHnW4KrfhBioUS.gXK8lDVCZdxHNwfnJ_73rfOaiISnKgh7WA2DXQve4zrXBYr2Hh1GbxtaKY5rxqpWCaqByYqmx0Ef7U5uFVehgiVbuwfbCJSoOF5wRw6OiDaSVZ17hshywIibVBgGq2W1DmdVXCamKLLfgKRaYBjhyQEoqcx9E6boFUbkM5pOpnkms2u6DTW6TVUoUsYOQgEk82ybkfNBS6rE8akI3XGuJ8K3aVn31CLlQq8EoC2w7FNnoqqe_FaeTYGYiRB2__qscSTxdf_F8b1LEyG1JTiBQeQSgvTKK_f2PUDRVTdoj8_AQpSgAOXEoJ3PdqQUgIzn6X0icS0s9RBNdvYS8QXbprP2Ddm._k4SbTGuqMwX8PtgVtfMrypM.aWigYS4YMWYb_WzyALqS_pRGhW6M4vqMDOm6KdOI5VH_zFICHEGRELujedpdZWH6Qe2XHjA..oOL1aKzLmBoi8ixfsKIXjiy0l0kIqlGyPSVxv9Vn6QtTFCubiNKjsZ9EpZtDyBFxv455zmH7t3DlFdxtb24ZFkAxfePPn8suR1h4WK22ZFkmp_arrM5oqpx28GgxnQGdeBFKuVrrKv3d4TaZOjFpUQjm7pOi6jobMSVVQpYj3ZTfPr4kNObgP12xbGXJYpr.xPXZ4H30ouuNlQ.WAEGAl81XgStMa_AgvewqXKk8i",mdrd: "sjEIFW9SyGQfWAK9Uz1TTKP6pjGeteCZu.YSfH85v.A-1739094079-1.2.1.1-hybdWU2UNpawqxG_sPEe9T1LSfkHRvPUIYASIlbchsdyGO9tB8V0I_gC6hHC7Kp2gKNDtEPLcpbO1g1MmuvwOF5XOgn1.luUoHwoJe6.gbNrVL60j7W6C72TEhdr5G0S1WnkhmZbWbmPgoEeixPVNxwzr3m9zMSdyTF9QFM1UvByqg4R2HGHj8YJsTCpp785.Tncfmgj3P3sNsS3miFKilUXiY0qQks8YNmiEh7utPM1nAy3LYcZcWCif.EFKN3Y_kbm_.mFdm8EhhoYRia1k2Kd2ZEZ61LelMVPzPph5wFzCOCseYy9Qb6dFtvVVjteuD.mczxZJNwFZ2rwZBCTYFmrdcerdti5bRLYFOuaNrZvgMQYVzuPGFwULXacwGgd72VOGLrD_NVN0klo6tikBPpz139TirjF48IM0L9Gx69.XJnhA_Z8P2CCZUjRbs8OsI4Zd8VIxrwjzp7taqXAFKcPZjSgsD3R6WXGhADVXfGfon2Xb0qONIBh_hkLJ62DRC73vb02W4AWxTbc56Mp0LhYBZp_lJdX_IkFVYwIduclxmD_sAFU2ye.tdMRHj0cKinVpfoxvKkzRaokNflhR.wNGt7aYPVQXDaVwPRTJHzXLhY.YVSyZbPiQQ_InrWB6cQ4xbSDUtfMEfuowCEeqWjXIVFNBBlUMX.2xPS0wwJtsus1rY2cbyhnAlSQWbcNvGYGRsCD1jGcyOofuG6dRE8UH4qwrUPigqqPDAl2pbb3yfFp22AF1xzlD7rlLR6bK7CbGsiVquqF8AXAmwyVIops9BMzSZFubZV7iA_mQwEFuI0QgGAWAyUvPkBwzGW1lUDWwfshIkWOCa9GytXs8Cr8c5zyxrA_kus5_ngXkhgvB9bSDiTzFCIwHRaHTxrjjfWWfplQy3AVICY5kFUYdOnCq9s1qsHsC9n8fT9ldrCmrD6NMMPCyrRI0xvUbmciHSfG92XJL20SZQwUX0l0LchMKWK5hu1DwKvjMXU5ggfi3vf8gCjW_4kqhwCa7JHDDQJ34XqUV_ko1VIEYHTWmLk8wimHAPGGtOALtFeIL48RIM2T0xfz_7NBVoXglTyNQs2_P0z2r6lzlhJnJ4zdc0uEs4xwd5NTCma_oT2UOOvAGYhj9ILHcWrmFxccfdbFXslptXHLKqW987TiVCgI5g3TpQ7q.tbd4NXzcognGBNLNGo53ldoGgpvzsJgiqqgHeuse0W48VHS5gmfC.0UVU7IXeGRCogkE85EjoE_I3pCInbnYHaazf7KDRL.Kck9UcLhPJ9Cuw6gOjrKmsizvQJQ9JXcmAwWw5VY_vyi5rr61RRRN9x2j8fkK8Gyq4n0C0_k7ML4dcdyugiPzBTiUfUPO03h0PYxrsMz4NWmJz4_LbMedrr4AZMihFmjkTrbXoUwXqW5aTi4RVVDYk0E1mwE6KxrBB.eLa1h6hbIBH3ouGsfdeyFLDbaut4v7MO7qaU8MYZG3SRaCHYkPBlK_v09nFo_3jT0RfqODSy8vXQs83KPiTYSokZjAVv.4SvzVe4cbM871mfPTVmFDDVQX7d7RtL3BxAQTksv_5Lr4UaDPNWQMqoOUAeJi1YiF8OfztE_tk9p1e7lsMgmKjOZBctKiStDPM8K.OCsnJtGnhAPKRllRK9uYM8JNZOS7Kgh.8oXVLRGjKNVF6z81ekRxXkQkgq.QSTPqNDm9_LNCBBk3KBhHTihgdVkuVwB3UUYPqGUpcu9vwbla29zJR1BzGNbUtFQdodKXrkFeCOmg421M61QiqSgFz_45sXfE.vau.DkxyHjZBlBeieZx6wMkJVxLbt.7DKWyNSc3Wk39ms"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2e72a8d0728a8';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\/5942378061?__cf_chl_rt_tk=16bVT05R1.d19vSjhVAKq2aET.1rMsaMmuANsEIBELs-1739094079-1.0.1.1-Jgh65ORoSoXdRO0arHN04RVgm41YaRkUeddHgLwrOMQ" + 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