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-455525664049.mit-edu.top/post/0685174392

  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-455525664049.mit-edu.top",cType: 'managed',cRay: '90f37358fbc2f26a',cH: '6UpFA7TJR5JK04hEnMivtuJDNR3pKOvRqJcQbC4nzcU-1739099820-1.2.1.1-tjgHVU6iDoOtc96q1IbVLMo0tgXWW8eYpuHmLozUgy3iq3VjljVK9iRYyjTf.Lmo',cUPMDTk: "\/post\/0685174392?__cf_chl_tk=Id0pzeZardb02lXrJ.5kBnuhC.YJKndkA5m4WUvaOUg-1739099820-1.0.1.1-JIL8_p18igp2x.Z7BqiMQicat11DJMFBnh8MIokwLuw",cFPWv: 'g',cITimeS: '1739099820',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0685174392?__cf_chl_f_tk=Id0pzeZardb02lXrJ.5kBnuhC.YJKndkA5m4WUvaOUg-1739099820-1.0.1.1-JIL8_p18igp2x.Z7BqiMQicat11DJMFBnh8MIokwLuw",md: "L17A4Nvox2YLF1MzVBpxabbei0XV2awIhlDkNieoU6k-1739099820-1.2.1.1-A17z4hiqu3XdNKaXFnT4hinXUow8lcFXKv3OoBhTKgcHrUyMQ_2jB4IJk2sCx7.pdt_HwbltVJTe.gB9DHgUrqWleDnEJU6ehuZ0Qb2wit.x_ueCURCsLqj8R0X18XHvX1mW0sZ26XR7vHk8H8IKIkNESYAJPErUE__v__AD61ZOGSrSa5wHYsJyhXOyNWlm.UBKVI_GmsmEjp8cuB7kNHh7PkCR0r5Axu9FpZaBMrirKtJajaOJvNS1wrvSe0a1916.OWs5PJkOCTshUoTVpg3qFhkCYN0FuxOni9B0LZ5frTJabXMyFFcVLVlDdTjxm26S3ZbtUNMWb5EPP1oyjIKoMhTeD_HoJRmJj1mdrAo.utGHAbFPijO_K4P8gGm6.c315Az2sDZ4XvVSDym_z6eFmCYnEapF20ahN_zhK0xTpnorL5FOi3Gf9vdhCBzl6HwbGGD_WeeIhKyuhIeCwSJKpou.gUA2Z6MNgFcTwrKZ.vpJO2._tjL3jSvk7vpFrWdpZz2Ifm04HWLVn7bXUal8ZWnuycXovKM8rbhRGfEuuA97_kSnmxvQnt5Yof42JY6igDdLC9Dl8xHWIiZCcpmQFyjfjSFUl28.S.Cg.HvtSMmintlmNVglHp7a.wnNjYaJnvOM1bosbpfxETCRW40smNUteXOzhj1l4ZP0xt.KMSiKULOoG9e2cBZzqBrLTunyXlj6SVfglRnlicl4PF0N9R2DqBDX7AmQgRnMkCmY3qxCcwR6BZykZIlmeSe8vpobRWSLDWHPS.LlIdtq9sUfroZzo12heTZLHeb6FXBnrlKOedHsRTWLBIYMnQGirul4RW_SGd9z10ivCKUkn8xh9GMNkpp4rBEQEhrBp8U3snqQYpzzIrhwb_yEISJAIBC69zQab5lvGtYWrY9DlQe_cBBG3t5LdVLjfCbaNbGvZbnxiw5g79TpOlvVHMDhJPz.u6X8gtZ7vNWEErR.srmRtsE5h24B1ELXnQRT4Pu0afekE8f2HA3wX8y5VNmti9R5A3gDOw4NUxE9lNUIkoRLLeVcrvR4fA05vlDTCn0aqaxSJfUjLsJPSXiRaRV6mvwINGllbKVWbJotsnwdv4hK.IIeNU11LyEjr9EQtBG0XhGa.PEJNp6h7YkqQwUBjg0d1NCfKVMzGxm_G7NiPuri8OP.tb_krgsgAts5QzOqFsS_bJNCKaYdFP93JWToEKsGrJIo.RLyIn6juGPLEaSQmb1xH4mXySZhpxlyk0lrrqI2JT.rvLQGi6KwBflPItXvXx8T5paYcthVFD.5AZxW6icgd4cWZFfOfbpfgKee7ywYM3YEmfJfXK4XIQLvlaOEo7LgHgdGgj7wNCd3XgEzEGY_CqLkKyxvE59kB7yLixCV1yH0VbG_geXDJ0IF3GTM5z5YRQZAiSNqf7KZUYGwU51T_f980EVznODSMGh_CE6_HizSWngq6As4kRVz.DsnxpC2.ZqCJEbBh05N3EDdYHWPGC_hULCiKGdqnczNSYmIz6M7oTJdJj2ZjgYylzzwy9bKBl2UBQkWmGoSEFsIXqwusQAZHRwiP1uJ8RVeWftjRikDDD0ZUAfiF_r_nATE.KRg1gPCdh9U0PMaKZrQ2srBQueyNPl_HFvcveJlA.SyTfWNvXoOot7DJzmF55X4KAsaywZjp63QUVnz9k3SjgT_cA51azqNKNxYGP4fnDsbrWRDABC2Qi9j4tzpHaHN5y1KblCkiXy_vwZxDrxgU9ZPLbEcwbSG8WeRYZ.5dP7s.DiuSrq_X1nB2Z6PHmbVQSc8CjCFLV9TfKqALON7AuR0LlvR6HIWNnyii9Yi_5e29icy0op5C3XwhMpApjt4GmKIgFe3C8pjuh6.LvFqSyK1BIASsKmSGJoZv7yOBQVie87LqQQBWD3ASB980J.hEVWiEAcsAl26SFfT3incceBqoL9kuKL6P6KnjewEvrp5G2Evx7d7gByX_LbGlLUdAKY04or3.SOXiFRr4FmdBySDQpn_vUvAKk1UeV7ivHPVg65Jo_RFE5PTV0ZproohSmqeYGO6S6.G3uWD2Nbxtwsss9FJWMt9Po22q091BlAjTJz8ZaST8B4qkLEA.8w_QbYkgBL18ofB.1rZGpJ1KyN9Z0DLuJ1sxHtoRLDKFrWuyV547n.du5haIMC2irSlG_yzT3SDhqwmYoGrWTOV_TDd_zqvQzEfsc_iCDO1sKjrlZWzfnd2lSsNVORt",mdrd: "_KBUrzNooEe58MLHlWP9D39zPHK1PJ1w4s_3KrGzhTE-1739099820-1.2.1.1-vM3yjOsqEpEkkMDgF8z8VcDBZOjZ2bu1z19eeJYuqGkFblpIzb6LLJe6ntsFRBiE2wFHx9lIqNp8wZgWLaoHMUneM6TP8172.S6HdvcnsSUjKIkJo.9oBjYE6qplbZYNNxQwxE5Y3RIzX3b3oiiFUBJKBFa7j1EJZZM58eGvSRDG9.W6X2ISoNv8.JZZgNchmh6PnjsionXAcYLnWbJAltr0i_FcLXXPyU33wTXNJ6Id7Czx1b4245ztzt9vFTj2Vm7NoYYz3DVG2NDWGiIGc2wIvSkU2PK.0b5lalBKrLtw56Ci70Wq7fxVbo7vAkZyKtduhHdhBoLkPkWtHAs3Fz3X0ixRtaffiyrGnehTzVm49lb3mT.9YYwLbNUFUINb_jONYWfwf31dgHM0aXyj1do3UZHuDAVl4cCmM54mePNoBW8IVkI1KSORCimvCc2ts08F4rkoPX.5JqQ.xbB4WdT7SQ8ttOmUcqnxruVB5nZUS5hjWf34pe9crp8kwx4Vjs3WfEiQKJqPAeH9y1SSc2n5g6jPf.2oq_7zJzlAh0sf0X7zufwgTWZ4Q16QS.pCOVFYuRvVJTyFS.DcnenigACWQhFkvAEasl9DPNMx97ZZZ2SNXoQVqRjlVQynBcvUcIlo3LBr8qY8ezdggCzj7a.eeiRt4FlgjtDnapzql1.4u9iCTYNxfrnyiKJrLcfM8fMqi6XPg4GhZBspLp75xxGGKu3lkaKP1HMN_0Obmr2M1GA2TP7pLmDHNVlESjsKm4eWEa51..2Vk2NEbwItrhRY11jtZY_KSwUduPlFt.N46IGnu0pCITUhdNvpvEAkqBq0Nz1n_YHG8beYVkZDlNQJ2XkRfLFgbH1jNtMzeGXdT6RxBxNj874vjGpNMRrnmJ9P9L3nOmgcdYBNaZRxroYk2ACM5RUXXKgFEeeVCirxEyWGicUs2FyjPqLTY4ehkNJIBSgB8ztKRa8cO43lcTnelDvq2Yxb316MD196e0j7j4nSfzfE3JxKB9w4MnRccGPwXNUrAmRy2lr2Ex3hygZtcvpth36pB0N69ug6lSdx.oMN83.Ic9scmgLRIL7t7Xw2qHT6Vlz9blhoxwFHaqR8VR3YJiRQKnG7gNXcOl01il0oGLBmsYrSgt0ex23TgcpW3il5xx8ZjHMEPWwbu4MpgbQ3LmJQxBfZJlUS01u35_wfWn.fRGYlCfmxzE7FaEgJ5wSJj7Gha4CEshMh33yR5vsPs_a3yGTrhjHcJIu9dEe3vQnTIrjnXI7iRa5Os9RzwKKfPzxpKdjl_2bElvjiev6yaFpt10Pqd257kpiuquqcIxZwtC2P6JRJVTze9RTolfqwV1T2T9yy3cPRvD2I0xFm6xKz9R6PXnxn05e0liSx5bMVtjgZn5gCWgWc37jXKQfzV0OqOaeIikj8TbIXdHTExESB6FeCMScgslhR0FJFl99CioFBRf1LlXaMe6rdMV8efpbiK.KiliH3qAaQ4Vbmm420CVJmLpMwzU1GUo.G7s83DbzUiySkYfeUjcZbAwxisMNvtAmqkey.y1B5QQzU_hPziA_nhlSZUUKD1k5F1BMVLyHC1UTms5tUlvNHEMVMUtVmQ0BNykBd7nuCCFFqWLYzYAkTkeTWw5rHFBR9qrRr2sGwj9RV2clTefPxXEL7PNcF7CBmNUMip27tbtJ_iHwe9wxE4M70xyaZptEU5R5v1KFRDMgMB4xMhjIK6VExXrv18WUaQVJxqAhYRBgcQMUIHU6MCTjc_EBVPxasPk9jwVkRrgoq.NYZmDkLOaH7EhQDzMqs5b6pdA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37358fbc2f26a';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\/0685174392?__cf_chl_rt_tk=Id0pzeZardb02lXrJ.5kBnuhC.YJKndkA5m4WUvaOUg-1739099820-1.0.1.1-JIL8_p18igp2x.Z7BqiMQicat11DJMFBnh8MIokwLuw" + 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