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-affpoqrfn.mit-edu.top/post/1325897406

  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-affpoqrfn.mit-edu.top",cType: 'managed',cRay: '90f372d5981e05a2',cH: 'QDTXuoFy7YwL_61wm_tuBYfN6i1Sc9ehzMhpWQAGnqM-1739099799-1.2.1.1-hohTubSD518qYgg.1bVczmHFFVCswj7P9G0J21uXtRBKsHJa122dlv88IDBsEtcF',cUPMDTk: "\/post\/1325897406?__cf_chl_tk=kAIg7gJ9vV5bFMAMTSCSnkEXUUkddhn1fao8zJOX_cI-1739099799-1.0.1.1-EuIDI2EOyDP2Cq112do5fh2QSPLOIsOYtRdU7cTC7bQ",cFPWv: 'g',cITimeS: '1739099799',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1325897406?__cf_chl_f_tk=kAIg7gJ9vV5bFMAMTSCSnkEXUUkddhn1fao8zJOX_cI-1739099799-1.0.1.1-EuIDI2EOyDP2Cq112do5fh2QSPLOIsOYtRdU7cTC7bQ",md: "CBwiDOU3KD11EnyQuai4a.lF6XSWOj35Px.7wzZNeXA-1739099799-1.2.1.1-GO8koOxmz0XEp5xyRtgh7Vr9EOsekGz0xsgS548UlEtTIOXYMZuhKN6rSuNLPgRvCouocBGyNzj8EX_d9Tsewdd0EJFBBfUeBKz0fK4nwt8dHqlutYRTHgta3W9J41vV6xPneCCqdLmfYyaeXaJdabiBCe4pnZz7qQoqBwx3W6lPeoOBGHbLSqjaT.CPeuP4CSpJWCpHCPGOhmnXiRDq2WAZOsJf8ZUtVxFBIrvQ1fwDZTae3Srq.mVpWIdyq_zrFFvVzHwKNIw6zOe7UonEOXdLXgQDVY2NXqkbktqgTBgrZ5xbhgWHb.4NCF.93z7Kaf7F5UAYLMUIlY.byD1qCJQOExRjDXqoMPG6Ef6.OLkiZhrEDnE1agkZMEmfx20HpFhwupp47dC5cDR_Ale5JgXtMBFpZfegWi6JhhCHsN54Lhto7lVe3d2wnrGDSkKGxsRz1hgHoVEBhdX2f6PS29H.UGKsOU59dZ6NtzdFclXRTKvuA4PUSvty5am8TGOr7uyW3o7zJKgfsicSpeyCd4nR183OWO0H3rBzE2qnp_MKs8AUZ7j9yvlltdPuC0a4einHOWA4GfFOTcshn4WCdva9nYKUzTodGDQSI4uEFtckgwwK8YQsfBx35ngFHNTAzuCOffozco594PfFQ_B_PxI_D9gPeuVZvKuPF.Q0okeV1Os58la5v6Nq3tmAsJtZsmhDro7D9esUj2mLX4EvIcprKBviozeERxxOjLg4Z99s39PUQSC.iMGE7y61yaZsqxMpm.rz1sxnCvvwY616G5OSYjHDpJFXxje4yHHFDIhMRR3Pxa1FNhume4dpTrMcD_kP25p5AEdfmsqFkIyKXmg0IYwBvbuu51py2lB0_PeZ4zFXJ58yML6aD5dmLzc.9qlwFIRdtpXE3M2XZR.IF07BrFVIpku9wVb_dVN1H8Rm2UNDPfYJBnBnJVKRjOCuRogM6ohI_SMKPlqkPA1to1Ed5PCPmitE6J04yWZRaw3FqlfOwTpz6NIdK0OGVZ1QqfQ7gals0ugNA.Br8rLIjsv5WVm4EzmkBasYO7mkagvW0yUoKPh06ow9MJgnkUVK9T4rTYJs52V0Vf_XxdLSdvMGqwrrkF71uRy5AfVG_exqYqVkgzY2npmEbrgvPqhS_biZJHXqwcbPszxRKVZyedU.98c94oiuj9RfZSSS.U_e1fhOUw1UlrWTJugOPp63xxZdzcCS14Yk6Yb_yMOD_EfrXWVYYcVfA8DHJ025J7bh2w53lQadXXwnJ_NJfAMPz6R5ib4wZTQghxhupayTfrwd5uFQOqPgGkk4DMIY.lq71QaUf_ljOL6i_rv_5kSPDhINb11M6VIFkKTWxkBGxMldmx3Acof7aLqtBrUdb4zlocQfiLLrWefBvEoUGtmyQpUeWaPp01VHdGB_rydVkos3gmi.vCeYv.DchOhO7VD1FruF12odFwgUEtfqTFkyYEUobXdT5ztPE5ciwuPmQJPDG4V_3K_lIfOnqaC9UmMFk_BD9oruTwx2Wkgjc9SaClEvqG1SzYCAJEcuz7879w8t8dXRvcXUz4Zjn4K1QKLtzdc1horGPiM6UuH3M_yPJb3TqBXY0Ms9A7EDgJrHBanl7gCP1Ta0W4d_71vP66E6XgYSJJTFEkIlLMPp8xO2M4igzB01MSdGfpI3gTOZ.qUiTcSawx9pkLDLvFMX4qXh9VCFynNdMJcR1.SMp42nb0fFB2LMI2nlmWUEbpUJ3ptjMxUOOnH0qbVMGSTB6U4F1Ici93DermzoS.s85K_iBLi_z3anUphtPFHbm5hgx1liXLfxmhcyWceevor5jHTaH5OTwP3PXme20gXt03IYfABVG35oRQMsVIoG_cjTzWh0pHfXCn503bb.lJyV7YaAuBYhHlegPwzSlTdHVLdDt8elFRCSoc4cXlp7ICzP_jAoRU8x.VplHQECoT.LLIwYXFPcDgZyIOsdjtpPnsi1VKJzptVFob8zNmRKENUO1f4Dk73GkjLI.22KlI6PJ_nSFQYXsLNQNzzz86ixZbp0K_QbTBZ8maxPul5SkinEWZ7YGIuFsLmbtkfhZieywVo9FGFmue62JyxAI8FPohCXr_j6Lb_dP26j.6PCZuuyCb3XNgZp6qmhO7_ahZtB6XIegTN3fHYVvgpqiHGBP.uwW7avfQJQIe8MYPGkhB6qsclX2TkQ8D_mYXZXrHHlK_T2HhOVY2TEvRh_QyLItD8v",mdrd: "SA09cqvSz9fiVfd65xT8YJrloJoStJElzowazNtkhBs-1739099799-1.2.1.1-baCv1koLN6Cq_ebjhhQ6NlmMIFT8_7pQDj6n23a_GIN9.oBzwdWK9ZCpuptYlRFLfnu3vJmWlIXdhpan7gYzAPw1i55UmBvus83tRTy4DsC68wJttor1A.uwojXiXC3JRWLqeGkqJtqVLoRx6b4.7zz.Sndi7DWbb446PjI0G_FOjvd5HxR7Syb3lppXpWSRdZ1oYDy6x3K0hJQpYlPutaRSRa8tBZA8Ph64BEikCyW6cThEi7sxMQEaHf760o9V.JEjQL56oxiKpa9zT78YZ6mYqEBE3sd_SbN9kEtpLwi5YaL89RpmTgisozJZWc8XVPignsVrP3xawyVnigSmjHr_higv4BG3Khx52_F5hTqHpkUJCkkS__tTLAdZLUueli4OcGDot6NoEzZN4ljvOU5gW5Ivn9nhRCVWSOPpcTGO01xh3vgYPxay.cqypIXkpJ0a5PoID4JcVqRjS.lzmniM8O4wfAoMHbdYy0q14PoM15xA2tHHOnRYIHBgHQWPvDMzMYaRBD0a1S4Tu7pOBMOKKZY57PDhlME93ME_vMOh5wW1zm6JSsjwkCBN3FCUEh.tfwnpWK0hjB3FBOSptXEQ9ldyF6eg0_473zJ4rswToSdovj2.v64Jzit8r99_OUL7Jd5XDilM4b8.oH1CXc.7vHCO8r9WBpwtOtHbwx4mtDVzRDR97mIK8A_AI5N4yZhjgErBqdUmU.bV8FV2Au5y2diPcCJBdSmxQRUORMQOGHIQTv7AtvZPfqraG_fqJMSYLlzr.mRJG814OszWces1y3hYaPnUjwzObkz4z4JYh3H8fHijFa7hzcpj8rYhUJG0HOoaBSFJ2ts3lgomw6v8BLhCdzabtK__XidIjqcuke9TCc6NGNx91VzcilFS4Q19rrGlzOkBBOnHBaat3dtwoicwOH5YyrqcNX.n7srZXygP4i56RQhJ8KNdy7q0qtxjK_a2x6sCoJ8qdnAShASs8zUAkIEU91r7lo29DpKbwnc0Bu3NI5zNtJxJ.OEGCY9A0lxUvtdAbziAnvIbyr2t_6xasmovnCi4bU20vxGmoKId89iCopuA3Y0IvUTDIdRvmUXiVpP5qRB9WJstT2_MnkbkazCMSpuy0yVLduEeyItpWThbk6GzFaM3u7S2wRZgsN78_NQDA40NYdvZo2U8oGPt7dy1VoRaozyHI9opIJyq.iTtcaEE2ucg8Snhn5Oc.5IR3EP6QFjhAm4Pc5m50vwM_g73gvZW.WjlYHJuv34RPmF_P2NMFIbLG9COy2OOM50xGXnXU0DJUzSudV78GXGZxzKOEGUvKBZQpwOagwLXUvqoGsAnInzf3kn8GdBciZu3M1h7KSbOGvKIyanFMRR.HDNXgJfdHoxs6tauHKvdU7R0zIpal6Ali59kqyVrwwf8_ZbU.yzb0CI1NwNHO0.fcI3d4c8fMurCo4qc2FqFXFDLfhmsR9G1CZNaAHj1DeQKEemcO9q8D8gS3PM0FwMe.7J7DyUXiNpjXHjFq0E7mMRZpZSR2dg67PmMH0mYaTGDIqy53R2OPBtRKcJVuE.gNzH62c.qTuJk3zR4GdLSKlKQ3xvnuxMBCbcZyWOjSgDfZW05NYm_xJXYmDDGqb5rBGuHq.B5W_W45WTNSsV4DVp2MITBSuEZiDy9IG7alVzBP7.hdi2ydFMDeGCH4J6n8qB3dYSgoine_Wr08_DVhUqUu99XF_kakalSqgoTaK9lAX9eTkWdMwp_4pCBD1PSX5i4TEwyEYHrmOmdrfzy_OpR8DZ1w8jbHVSR2uKpqvZypcDHIOOK.JZI.g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f372d5981e05a2';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\/1325897406?__cf_chl_rt_tk=kAIg7gJ9vV5bFMAMTSCSnkEXUUkddhn1fao8zJOX_cI-1739099799-1.0.1.1-EuIDI2EOyDP2Cq112do5fh2QSPLOIsOYtRdU7cTC7bQ" + 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