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-161242528766.mit-edu.top/post/0386721954

  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-161242528766.mit-edu.top",cType: 'managed',cRay: '90f8007edba8c95a',cH: '1wE6gQf9IYP6bLgJbrB4.ySLjhjqcLxExiYTOlyDBpw-1739147545-1.2.1.1-SNv1xh1H52lGEoRtMn7KnqNp0k9SSvgx8f9Qi9UwgudYKkbOZZublo57ORj3z5.1',cUPMDTk: "\/post\/0386721954?__cf_chl_tk=qHC2Lcqft1qT3bkre_pLb4wWvkcP1Zxy2f2t7KfvDLg-1739147545-1.0.1.1-58XxRIvAAECyTW0ZdzREduFgqGJgfIIhjOhUEXh0_6A",cFPWv: 'g',cITimeS: '1739147545',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0386721954?__cf_chl_f_tk=qHC2Lcqft1qT3bkre_pLb4wWvkcP1Zxy2f2t7KfvDLg-1739147545-1.0.1.1-58XxRIvAAECyTW0ZdzREduFgqGJgfIIhjOhUEXh0_6A",md: "R4UVDiV_POjCc.xR4siy3TVgO4qLnaxywuSVh3vcUps-1739147545-1.2.1.1-jIY5pRgrC1cNkrHq4ONjp7MKeNn.W7Bk8rfNlZdPJ.t5lbFCDIV4rZDzoHVkQ10poeiQ2iJH6a7lqGlC.S471c89wf7xOkt.chKga2MLrIf6VjPkZQTxvnBynQZdZg6rqwjH4dbwNyuXLdrn4TeYiegJn7S8tMOftXh282AlsGxmhXdrjZCbvRmDdEZ0IrCl0AH2s0Zv3kacspdkXjJKMDtOfHw_uaa72rzVdaFyR2bxJBINSSl4cPNPUvELdR4boKCM12GUEis2G17UqdkR1O9T1zdeAERciEt5ka1XKBQjH8zJj8X88nO9qgiMKRel25fjt1uNOIM9zDGC6_CVIWT0ifFYPIkVPDwvFHvsXHCvpnzwxZXu3a5f4qHp0mmem7_KZaJfyWdA0oV0nSui6mNRpdrDYaXrv.b6_2LEGSzTPLFOY_9VT5RFoNexdf1aYC5XF_0ewL0n2jpu6DHan2ym4MFEqEFi2gpy.Z0odbtepMtRYjXDJgKGjvfG6umBTMLSu3aTwQkqazSRZ3bbwRX4Nkk9mEB764MPATR1b4qFl.9wmeBhH8X7AAJm2jiQoeTy7g9oLtf10fjWJWcVPRWfyo4ktLnztr3uzonDxa46eG926LU4o4R6bG64M_n4f7DMRVSIrUr.NKUPpjYWPg6p_jMH3r_yh5isEwJApti2_mp7EAK4D4qaPAH1oFi2riQzhKcpzjJ.aumFX0zz5AtYR2UjyxtzN_lGW381JBnvzN9bnOBAp1Rs6CpBlpEoT7kL9OhH9hJklABGFF6dv.PrBzVyQRuN9bLN.BGqw6wM5SdC9mYw6sBM7680ApPMBSqfYH84V3pSrWioLgjL9QDlm94U93LUXyqz2V2XJR52g9nhax4vQJce6xlxn.taCO8aix403aLdLaIpf6M49XDRqZP588246ZELUI.5TMR.Fqb20uhpgnMGjcUYBqMFIF6lOowomQhWJLXNykBoNwu9L1p.rGGaZNF5mSBYdN49gXIcjqfZeD7Yc2i3ZsCfz2MqhEg4ciEG0QSIqB1wosPmTKm.t4SwVZjSbqdjSW90O6YIBD91Ku3X6uxUOJ4HscXMKbayeAJeXFnsGJqt0wRcEntP1lh7UjKj2La4mPDqkok08P56on1C7OFfcu7Ye4Mex1Uke.D5g58jQgfQFZUjsJb06jSfDEOFQQRoiRIyry9P5dvyaC8apI1Og.Fx0RKNEouFmb4s6StIntFqulIcLAUD1vDhz5tJF_ypwD7ilrk78DKkh0xFVUrpvAL2qmZ9o5iJr2k5Y3h4FziZZXyAVeP85L3kRGEqPZ1ps1CVk.8O3gMKzPYePz0LOu9XVewYTt38MNzPxZqrA0SuOUQ9r8DoR2a9MRKAAkArDjiiljzHTqFnbuLyztpyHE2ZyqJ3Zyptj61boNdwklda3ULKZbaeUrcFTHnnE_C9O8jd5vRLmlEvZYoKJ6jtaUz6obCjzsG.0wo92i4tlb6voM.sW7FIDauuUSvXWQbs8WN79EylsyFG8HZp3mPutFrhQdxLi.P1zmyy_kwTp85BDElOEBAoKosZ4tTsush28oC.tnDFZqiaQr1QfF5aHyXktoJN1rW7hSGvr_hPNqhVvG8zBGQcwMPBZX68ScRg3MQ1EYmuUOod6aCSxHJQdzwb4oIVetZPBQC.lNtDjp6USa8Ec5G.M8e8u6Osel2umFvI2PhmMcTE71xxVCAvx91JR0HJ1g_bLPW4W13B0dxGQKRO527gPlsdqdoszCOQl8mFLR.SJ5xhoHh2f5jqDojfOf5QRCo0S0yJjy6EE6uHwtzJfV9CkipzVdTzu4Qk2sPU5sJdbG9WkJsfThWPoSSalnoEkHfFylrvx7CLiIPzXIotZdCJyJQcBcUhBTMvisbEzaXDa6iJPSriL_Sov7K5eA85PtaWP7D17MqNZuCEQ1OnxKiBkjS8xyP7wGXdKgHr1T1B0Z8wCVfnO8AhUVxB1C4hfdlGSSyaBlMG1P3QXi22F4qeSTlfQdsosiDgdVp5PdWkDGZ6EQa8niStlFEhEwjZLogOHOLeSOk_05st5P2ImVYZovvvkvFdoIxpaFxA9yasQL1dS.dTSOocuZBBU8oZdPWT5h2WKRuX0uqn3HbIJcYt6FTrw9YjQKtdcK5Nj87nRngKIMf2uTWVNt4q7u..ks_isOso1s0g8_wyHa50N1lwPYCMu8bT9J12CEA9VD.8utFTe8gopeYkCdRk",mdrd: "XaUtEIEmniUmyxX1XP2KBMi6KV8ZXEL1uEHg0SY0jKw-1739147545-1.2.1.1-sA3E6XSpSwl_XquG5O9WFPRLRkLFWOcH4kATMOzTW2ud_o1oozS29Q_0mfnAaYn8vxm5T7cTTNnZmHqhoF83IYAIXhW974k_qnIOmm2xvODnaZq7fRn72feYbvyCeYzTQeWUigDJ_Dob2_VJBS7DkVdRW6w68BOG3IA7mo3RqM3B1naOTcRY4qx127cmRALW02WuZ3aD3NBOQed.Iv0AxE6aIDVEPv771E73RYhZinzAsy5DDbB1CZdAB8hOVYtg7JflyZSq4RWqvnsff_Oj90c1twglXkDHOf6_7Jj8Ba3tirV1aA0mHwLtyjdrSx.1K9kzhmMMlTI9TdspYvugBcxYQEAisGk7.0HxTbRujvFZlbUWpQheT4fYVhtBtQUskQsBRsKp3ddliqRX35f13LemdP1VBLWpnADess.mjBSB9_Mo.eaVe0Lzs_vKmlxIXIKbJxR8SILBsKIK41ej8zhmNwDv38eH02Hc4T4qOJLkFuXttp9TQ0ZcRMlCEcrt4.yMvN0qPDyCxsV62KGmZAS4kjVZAv7pbkkSYd8MN1Q183HDVDILwcdT8nmQ7qLIvVd8VKM2ec6qzXHSAUkXLju95LHivwEUpnDjWTV9pz4jTzmETSR5coM56DJ3INQlw5S0c2ONbqaUWHkPPllOPIa1pWrftSihF7CYotDpf1emQr95WGfNr4H5PkQMxuCJ6r3t7ZOsyrXVeVE9cak6SvqA_TlMbpbBh9X7O2Ck8nIYbMuLODO39hQ0Prfub1x8M7GWUlfDunPrXv49upa3dwnFkBgtQCwnGMZlIxov4DgIY3DKBk473shynd04A0w9UbL8.8VnI2fJOsLzyYvyUzkYbTP5jwohfmKktxGMAqXMQKheAfQRXZfIbjwc5x88Lgptm67QlIo7YJOEKDS9Mx.VRn81tucEvyOYbJeWFjCv6AFm.fXhziOG9Hk0obsDFK._IVTcYVRE8VaaALJ8pCoPSrL36OMw9j4bfqHD7XhsY9g_eLBG5.gCBBW9t1amh73M2xkLIZM1hdtam4F23jm572JPITwo9XyUB18GNwLl.f6Vum81PLnwY3AviPLwbh2GugtkfPhqDK87TmyKPKJOz.wFsnM9m0IlODX7trPhRV5rdEaQjaAd.174tCkZCJPdn8lUGQmXrn5aj.fu3pCEywE8oaZJT19_itOfWsNKYrvTmK5GdgdHEEuy29DKcbjKbwNvwBA.Z50kcxNqEXeZrHRINgdl6kvwZ215JWaXMsgZn7MEzPU6Fge1aK_EuXLI4ctJixgAfkoeNv29aE.O9Wd.FG9_yUtYd_XKWIacwkdwtljUU646_CjhM31K.eRJZ_gV1KR0cIGH0AlE6rcRLUR0_M1CSC_VgkvtyIDJwvF4KaTyl2Cm6f5AFul5qYBs3biddhEXUJ_t3f_GB8RXX_XcXcQZKURjRwyox3.lvRlZG83FMZuERSz5k_Yx7DKnwlDUHuEEmRKa_MywMxIwnyBX5TVO4iR6NLm6drjlU0oTYUYTg7HSzKw4g9PNNfoenTq7hbEPrpjlefjIsZ1jHEEQcVw5IRoTMIQSB4lv.W.LC.Yp5UdrY5i22VRY_WQpv_1Mfoa86DwJ.jz_fwcjElJfZPiKS.yHvASF4x2hoiW0FUSb2jpS..Ub1ulIF9SOhhCv9aeOTAdBoV_bpAyXPtK9prR9gxBy_sdrJwaUx9MxQwDiW0Mb505nM_mCa7PUj68hFhtQIy9DxCNQB0BiIhpY3IXXiDnBy4MR4zGxJCuF.3k9PLssoj167GinwEo_0lKjnK0tOneITQ22Ng"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8007edba8c95a';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\/0386721954?__cf_chl_rt_tk=qHC2Lcqft1qT3bkre_pLb4wWvkcP1Zxy2f2t7KfvDLg-1739147545-1.0.1.1-58XxRIvAAECyTW0ZdzREduFgqGJgfIIhjOhUEXh0_6A" + 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