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-aff4n0gmb.mit-edu.top/post/0745893261

  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-aff4n0gmb.mit-edu.top",cType: 'managed',cRay: '90faeca6aa8559eb',cH: 'MhV8xFPB6uzBeNLezWLRAsgTmpnO5diO4rm.kOgNxDM-1739178189-1.2.1.1-Qw6sS1lL9gh4gP766OKj.0bWdeFzyYkxDAQDOIho.0k4Y9V8vTgtCY0LBJc0t6Tb',cUPMDTk: "\/post\/0745893261?__cf_chl_tk=D7BGnj_25O0CUB3mL0APHEnmISOtR8dUlvFwRxRv5ek-1739178189-1.0.1.1-GEj3Lb2NcOg1bSogICeXbX7G.nL9b1XYDFAsFFAqQ24",cFPWv: 'g',cITimeS: '1739178189',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0745893261?__cf_chl_f_tk=D7BGnj_25O0CUB3mL0APHEnmISOtR8dUlvFwRxRv5ek-1739178189-1.0.1.1-GEj3Lb2NcOg1bSogICeXbX7G.nL9b1XYDFAsFFAqQ24",md: "12J4cjwt5trppDmMqxwIyX.l.EQnmyyIMtm15qO2eBE-1739178189-1.2.1.1-T077cVLuWBgFJBVpKhKBgB4r9yMenPKg0nJKqXyQTRrF6NvvQTxfGxad8LopyZEFWAMeRkX_9KoyQ7VcAajJhs5KVQS.FI3h1Qz7Sd.QMaWHHKWTxxSlQX2S66KYdanRayWEQi8x_leL.hi3zxcDjStOF4kn9CPhjgZibD4qA1DS9byGq5Sc6jpNcFODG2KO_IXlXdIoShuM0XeVUIZW8N1k4JWUeAN5P7_z9PQ.yBg8HxdjY.qOIXFTaSRiZx4cp7lfWchT9iV..Xh.4tPAaC7cRfAzziiDjqTSTTfZ7mK7801IPDYCy9uqkZL9SAZ6GOSN3yb5StLD_NJquA56TAg3BNyY6yIkEFn_gz9EVjzj2w4qAtdFznyphBG7xo9PzdyEqhnc30Nts9AN.IyI9YjYVyRY7TjuVHVkpsAKHYKPLKTQEPBHBhXPhZlN52PiHKJBrAQ8VjDhwGLpNsR9qVihwhKkCZWfScgBfMQPNTTiOqUC2mZizJCyzu7VM6DBWyEHTaf3VQgmzEQxsoVnvk_imNlBIZhV7QX4aU9WesJOAXKoc0rw2FudLPX0LuoQuQUM80ab1SU4FN5k8IPJB_m0V1WZoVFN_wo2l539pjsrUIxyyH_wc53Mm.iH12pPAHR3OWV6NcBOXp1JeNqDflFXU96TaMfob26hvTxxlRwX3Z9pTYg9NXdAWs7GKtfF340G1erY.O4yEDFTAqZ0.2bkhKU1xLNmzX8E98IcIBzkln38n2k6Pi7U1QMjgfzUYY8dVOVBO8YmHW9_ZODjMySJEBL4UESIKoiFs1s70TzuCgl2VS7Reu6B2_zzKI33EQR0869uvFGM7hfTdmfxZxedcfvYY2IUHv212Or8.An6xP6B0e7OdR6n67pTG9ZZBRGqHf9s_z14u_epuqAJCFwUUJDdFVfyjrdzzr82Bykn0SmXQQ1u4xmIWCk_orRFg0LKyq4gR58DP5Uc0Bk8nMZgaQtoHRCnPxkXNaiEiIdhlX6dyTKYeUch7CrvqTx2y21947XBAuah.qgh7BiiVpFv31k3z.WWlxOKDd.JWddOOFXigO9psFQ3IyQybbi.XnQ44DdCVc9UHRA2zvxs_VWFJwc_ZFeitQnfxUslKEyUqPhsgHOBs38qqXM8UEtWv4tCO7tSgwSFtQRymIVPiibyVn55GZf__7wS2jyFPdS.TGbgqTpe1K5XyiWL35eRJakVcFjihm0y5B_McDha7zf4ezqOGdg6VOrgXcoFw.G1QEg9WoaNjbXzrwjsokUQl1PtnqfrlCvXqy0yBaUcGqWXlO0Hf2OZ7BUo2MxpPjgB9YbvVbw7D9B2TYuP5c.YzIp73LI7N5NNTxPoYwkc6bVmelyzp1DFZiFovv30_3WDaD2tjm3nluUkPm5ZxzKuSUG6lNvBJX497Yvg6LI4ZhJR5MzhsIxFsF1OFBbfNctyJkM4KfCxRWpY1lpoII8yRMoSyEFJJKZFRMgABoVSrF4uoj1xyqDLyTwn.OMywRNYqsVQAXO6mvQZ5NmQr9XAK.AsNCIV9y6pd99VXuzCXrVIf_ygQ_WTyc1dzJZ0slGO_ZfKxPGQSxE8cgLGNaMyK2_wiMbaYILbtRiUoa4_YbGl9OT33Pv1rUKcVE92TF3_13WU3OQ1joERmJn8pvdDscAZ44rvn2gvi0eW3TnvAj4znJG_VSNg3xBfG.cJvAS7RtQViuWrkiYBTTVHPCEJkufz6hj5RmAJo4R7MupyQdyt.jyac1DqJUoFWRqxWZh.Mhj8VN0VmKHUIBrNzdRIM49HgotY8O8EAsQKqXdqi8nktTlKbJI.ZkTvmOeoST71H9_VkPIfeiFjXZSfHHje39r42LAmR6eg3m76RpqreSC_ZrGqpkjHjFQy5gSMKXZuSOFvognBPvnrUDXRoZxHQzt0_QpBZovfcgiCrNdZDews5oj7GhuyNXC7j5UitTIlsaMPU9yUzR0ugWsI1nBSx0L8ES2JjvjKV9MbGuO9WdoZ.sq2p6EG3pzcmQCjcZrgB6tsaU9ShQAG7jVXw.4cdqa8aWQOmpJbFymUUE6aYCPD2iKMl18peA3DLknWd_8Kt6Jo0IyJXOlNvFyx8KZ0d4aUzIsjPo3dTGaQSN_GWx6QIlb8XUFrqWTpva8yjD5jWSBv7U1TGOoEJGioqlyJHws_HXadbsSPR1FtH7535oV4p__ZMhL1jz_uoGSlXI83VBmOSFBHYXu22i00QB6V",mdrd: "wjcCYp_2h18HwalVcvpBpPimNdyKHtZGYcOeQLD2VbM-1739178189-1.2.1.1-BhnN.vfodbRyQ.gCIvTMAiGZcl4pG2Xp_fvGnvje9u2s8ZuSuUs94jDAXWj_N1AqUr.1N_K2nu6GSh5dua1BUEtfOWPDJFuoFujfAS3DX5YlsAGAbICrPqPTv52bx_XfjXDJqsEZuw8IZLnJMFgTZ0mxXoK6UHzVs53AWTINnklT0VKpoVYtYH3935zfen9y1a1N5KTbeGfOvunO7vRFagFOANxfHs1huN10Wu4jmH4Ych4qO6nUL4X__UtWrKuFu.e_Y7ja7K.65ZevSbe.r3yCikWgIRG7v8uTW0ngpw3HDEGM_Q.vz_1kZbXLtzn9i3jdYa5_hO6dhd8sdzg7qHkQERlCVQa_WaJ_k7Rgcuq2e27boiQHb4sOLmOeCNR57P7Nwwv345yooVJhFUEazBMd2WgfZdf8533caFuHa6XoW2Xkm54.UsEXqidwghMdmjjOauzor6hCv4xM02CdFKO6yXGpXEsqObj10lZaH2mk9vQcARqApVadm_TS2d1qABBbTL0_IGMt2k4h1ffkWYuIEx2iQROhbUNKmATQa6JcehSyNzmfIWc79iPir4dJ4n6v3ZWZVbg.5yEDo.odg8ddhzr48xwPdOKZ05dcrBABbpue.wbKwvzWibwnQiAzr9Kc2OfQdSXo.mQy9JcbLN5bNcwyF.qnMPcEITAiCpKauwLYWF_rHXsvuSRcp71sdhJdmdoXqkUixBkBS0K_JDONQAw.FCL1JwleOEafFsMtgEqHloF85kTa7QEkKEdClEnxwPKIrkNOeLWVLEFO42fp5JATPhv93ksq_d7td_Nc2wkYbTJ6MqrO.iCn_FkkFNQCqeQB9CWQEtgT4rODDIiHRKWBM3bSfBD29Ukqa0j.jZuWGQG2e5b0Yo7ORrEoO6MK8qHfYxQVlswS3CR4.tr3qfIZC.EcJHygWpgLPLaVXBNRiC81uUj_gElqxyADvSluGtuohugTj2DxHPAVEKPWiaRZpXdkXqDcLz6WH5tJcrHKuYWJaB4B6PofkjYWjOGyb_iwHHFUu4slEfQTXNx6XY61glpkciASRZqzkTwZWOZkxKwNrpUfZlqznJayNsy3_4hJ2wiwud4VKeExzqqwvWiggOhaf8eyEhBPLBONpdFtF4GXe5z_1TB.cWiUyvE9XqkeWoVqmFpvU9DKVMD0H869snW1RporYAggdtIJ7xk0FiOR8qpjYWYriirVfmjee8xwmqZPdp2h_eb1b1BlVCoYO09GHFtOPUmVy.ZuAXEXcXNcPH4px_5ouK8AGtRsSB5ekKT8ljpmX3ZBaPqeKKoWFp1JbSIUso0XxC.IPC_bnqgwiHc9jd1HeWI6HHyC8jP4h9xswJZxe1gXYJm7MKgINHQhjP7DVb.wuB.y_8uUCixBYMMQ5zGqqoOw4PELVA04JhOXgXgW3toEjzAuJcNcSZ0NUbB.PtmWrGcrPkLB5vvW46cJm9.bvrUpFd_pZxtkw.kXVzYfDthmDlHEdYbzI1NVw.UfeYD1ST6EbI4BZ73tZQ1P9emOuvcvrYqqtQIoKMJXDJlK6b9tRtZ_hh9jCU6ht3l4vFXVV1FHKTvi9Fyaua.n4SCBN41tGY7b_OKFjsJ4FJo8TTEwuT.rnJb2v_da3eTwM1eLh14irLzF_u1jLcGDMcTWXfQIZIP7hqHRjzofIfrIYq_9IIN.MfumPeDgYYnOVrQBAfMlCGFpTEu5ozxZLoW2kIUj73PdG31daGmPYTifxRXDkzC1q1I1D5M9vvboMXeVYEdaT0Mp8T67YvCe1ZXM0V8gkVAb6ZPoUhLMVkJnFDMLh7gVvwbSRkA6dU0dTwD74uU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faeca6aa8559eb';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\/0745893261?__cf_chl_rt_tk=D7BGnj_25O0CUB3mL0APHEnmISOtR8dUlvFwRxRv5ek-1739178189-1.0.1.1-GEj3Lb2NcOg1bSogICeXbX7G.nL9b1XYDFAsFFAqQ24" + 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