The documentation website is currently unavailable to me. It looks like perhaps a bug in the markup rendering code?
This is the markup of https://docs.phalcon.io/en/3.4
<!DOCTYPE html>
<!--[if IE 8]>
<html lang="en" id="section-reco_main"
class="nojs iea6 iea7 ie8 ieb9 ieb10 split1 nosplit5 platform-PC platform-notouch"> <![endif]-->
<!--[if IE 9]>
<html lang="en" id="section-reco_main"
class="nojs iea6 iea7 iea8 ie9 ieb10 split1 nosplit5 platform-PC platform-notouch"> <![endif]-->
<!--[if !IE]><!-->
<html lang="en" class="no-js">
<!--<![endif]-->
<head><meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, min-width=320"><script type="text/javascript" src="/js/viewport-min-width.3.4.js"></script>
<meta name="MobileOptimized" content="320">
<meta name="HandheldFriendly" content="true">
<meta name="generator" content="Phalcon Framework">
<meta name="application-name" content="Phalcon Framework">
<meta name="description" content="Official Phalcon Documentation">
<meta name="keyword" content="php, phalcon, phalcon php, php framework, faster php framework, php extension, next generation framework, docs, documentation">
<meta name="publisher" content="Phalcon Framework Team">
<meta http-equiv="x-dns-prefetch-control" content="off">
<meta property="og:url" content="