diff --git a/CHANGELOG.md b/CHANGELOG.md
index db75f9b2..9b947c1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+<a name="3.4.2"></a>
+### [3.4.2](https://github.com/imgix/imgix.js/compare/v3.4.1...v3.4.2) (2019-12-09)
+
+* fix: skip over tags that fail validations ([#175](https://github.com/imgix/imgix.js/pull/175))
+
 <a name="3.4.1"></a>
 ## [3.4.1](https://github.com/imgix/imgix.js/compare/v3.4.0...v3.4.1) (2019-05-24)
 
diff --git a/bower.json b/bower.json
index 3bc50015..697da10a 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "imgix.js",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "homepage": "http://www.imgix.com/imgix-js",
   "authors": [
     "imgix"
diff --git a/dist/imgix.js b/dist/imgix.js
index d27b8466..dcb63347 100644
--- a/dist/imgix.js
+++ b/dist/imgix.js
@@ -8,7 +8,8 @@ var ImgixTag = (function() {
     this.settings = opts || {};
 
     if (!this.el) {
-      throw new Error('ImgixTag must be passed a DOM element.');
+      console.warn('ImgixTag must be passed a DOM element.');
+      return;
     }
 
     if (this.el.hasAttribute('ix-initialized') && !this.settings.force) {
@@ -22,9 +23,20 @@ var ImgixTag = (function() {
       el.getAttribute(this.settings.hostInputAttribute) || this.settings.host;
 
     if (this.ixPathVal && !this.ixHostVal) {
-      throw new Error(
+      console.warn(
         'You must set a value for `imgix.config.host` or specify an `ix-host` attribute to use `ix-path` and `ix-params`.'
       );
+      return;
+    }
+
+    if (typeof this.ixPathVal === 'string' && this.ixPathVal.length == 0) {
+      console.warn('`ix-path` cannot accept a value of empty string ""');
+      return;
+    }
+
+    if (typeof this.ixSrcVal === 'string' && this.ixSrcVal.length == 0) {
+      console.warn('`ix-src` cannot accept a value of empty string ""');
+      return;
     }
 
     this.baseParams = this._extractBaseParams();
@@ -212,7 +224,7 @@ var ImgixTag = require('./ImgixTag.js'),
   util = require('./util.js'),
   defaultConfig = require('./defaultConfig');
 
-var VERSION = '3.4.1';
+var VERSION = '3.4.2';
 
 function getMetaTagValue(propertyName) {
   var metaTag = document.querySelector(
diff --git a/dist/imgix.min.js b/dist/imgix.min.js
index 737b74ff..f379a82e 100644
--- a/dist/imgix.min.js
+++ b/dist/imgix.min.js
@@ -1 +1 @@
-(function(){function t(e,i,r){function s(a,u){if(!i[a]){if(!e[a]){var o="function"==typeof require&&require;if(!u&&o)return o(a,!0);if(n)return n(a,!0);var l=new Error("Cannot find module '"+a+"'");throw l.code="MODULE_NOT_FOUND",l}var f=i[a]={exports:{}};e[a][0].call(f.exports,function(t){var i=e[a][1][t];return s(i||t)},f,f.exports,t,e,i,r)}return i[a].exports}for(var n="function"==typeof require&&require,a=0;a<r.length;a++)s(r[a]);return s}return t})()({1:[function(t,e,i){var r=t("./util.js"),s=t("./targetWidths.js");var n=function(){function t(t,e){this.el=t;this.settings=e||{};if(!this.el){throw new Error("ImgixTag must be passed a DOM element.")}if(this.el.hasAttribute("ix-initialized")&&!this.settings.force){return}this.ixPathVal=t.getAttribute(this.settings.pathInputAttribute);this.ixParamsVal=t.getAttribute(this.settings.paramsInputAttribute);this.ixSrcVal=t.getAttribute(this.settings.srcInputAttribute);this.ixHostVal=t.getAttribute(this.settings.hostInputAttribute)||this.settings.host;if(this.ixPathVal&&!this.ixHostVal){throw new Error("You must set a value for `imgix.config.host` or specify an `ix-host` attribute to use `ix-path` and `ix-params`.")}this.baseParams=this._extractBaseParams();this.baseUrl=this._buildBaseUrl();this.baseUrlWithoutQuery=this.baseUrl.split("?")[0];if(r.isString(this.settings.sizesAttribute)){this.el.setAttribute(this.settings.sizesAttribute,this.sizes())}if(r.isString(this.settings.srcsetAttribute)){this.el.setAttribute(this.settings.srcsetAttribute,this.srcset())}if(r.isString(this.settings.srcAttribute)&&this.el.nodeName=="IMG"){this.el.setAttribute(this.settings.srcAttribute,this.src())}this.el.setAttribute("ix-initialized","ix-initialized")}t.prototype._extractBaseParams=function(){var t={};if(this.settings.defaultParams&&typeof this.settings.defaultParams==="object"&&this.settings.defaultParams!==null){t=Object.assign({},this.settings.defaultParams)}if(this.ixPathVal){t=Object.assign({},t,JSON.parse(this.ixParamsVal)||{});for(var e in t){if(e.substr(-2)==="64"){t[e]=r.encode64(t[e])}}}else{var i=this.ixSrcVal.lastIndexOf("?");if(i>-1){var s=this.ixSrcVal.substr(i+1),n=s.split("&");for(var a=0,u;a<n.length;a++){u=n[a].split("=");t[u[0]]=u[1]}}}if(this.settings.includeLibraryParam){t.ixlib="imgixjs-"+imgix.VERSION}return t};t.prototype._buildBaseUrl=function(){if(this.ixSrcVal){return this.ixSrcVal}var t=this.ixPathVal,e=this.settings.useHttps?"https":"http",i=e+"://"+this.ixHostVal,r=this.ixHostVal.substr(-1)==="/",s=t[0]==="/";if(r&&s){i+=t.substr(1)}else if(!r&&!s){i+="/"+t}else{i+=t}i+="?";var n=[],a;for(var u in this.baseParams){a=this.baseParams[u];if(a==null){continue}n.push(encodeURIComponent(u)+"="+encodeURIComponent(a))}i+=n.join("&");return i};t.prototype._buildSrcsetPair=function(t){var e=r.shallowClone(this.baseParams);e.w=t;if(this.baseParams.w!=null&&this.baseParams.h!=null){e.h=Math.round(t*(this.baseParams.h/this.baseParams.w))}var i=this.baseUrlWithoutQuery+"?",s,n=[];for(var a in e){s=e[a];n.push(a+"="+s)}i+=n.join("&");return i+" "+t+"w"};t.prototype.src=function(){return this.baseUrl};t.prototype.srcset=function(){var t=[];for(var e=0;e<s.length;e++){t.push(this._buildSrcsetPair(s[e]))}return t.join(", ")};t.prototype.sizes=function(){var t=this.el.getAttribute("sizes");if(t){return t}else{return"100vw"}};return t}();e.exports=n},{"./targetWidths.js":4,"./util.js":5}],2:[function(t,e,i){e.exports={host:null,useHttps:true,includeLibraryParam:true,defaultParams:{},srcAttribute:"src",srcsetAttribute:"srcset",sizesAttribute:"sizes",srcInputAttribute:"ix-src",pathInputAttribute:"ix-path",paramsInputAttribute:"ix-params",hostInputAttribute:"ix-host"}},{}],3:[function(t,e,i){(function(e){var i=t("./ImgixTag.js"),r=t("./util.js"),s=t("./defaultConfig");var n="3.4.1";function a(t){var e=document.querySelector('meta[property="ix:'+t+'"]'),i;if(!e){return}i=e.getAttribute("content");if(i==="true"){return true}else if(i==="false"){return false}else if(i===""||i==="null"){return null}else{return i}}e.imgix={init:function(t){var e=r.shallowClone(this.config);r.extend(e,t||{});var s=["img["+e.srcInputAttribute+"]","source["+e.srcInputAttribute+"]","img["+e.pathInputAttribute+"]","source["+e.pathInputAttribute+"]"].join(",");var n=document.querySelectorAll(s);for(var a=0,u;a<n.length;a++){new i(n[a],e)}},config:s,VERSION:n};r.domReady(function(){r.objectEach(s,function(t,i){var r=a(i);if(typeof r!=="undefined"){var n=typeof s[i];if(n==="boolean"){e.imgix.config[i]=!!r}else if(n==="object"&&s[i]!=null){e.imgix.config[i]=JSON.parse(r)||{}}else{e.imgix.config[i]=r}}});if(a("autoInit")!==false){e.imgix.init()}})}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./ImgixTag.js":1,"./defaultConfig":2,"./util.js":5}],4:[function(t,e,i){function r(){var t=[];var e=100;var i=8;var r=8192;function s(t){return 2*Math.round(t/2)}while(e<=r){t.push(s(e));e*=1+i/100*2}return t}e.exports=r()},{}],5:[function(t,e,i){e.exports={compact:function(t){var e=[];for(var i=0;i<t.length;i++){t[i]&&e.push(t[i])}return e},shallowClone:function(t){var e={};for(var i in t){e[i]=t[i]}return e},extend:function(t,e){for(var i in e){t[i]=e[i]}return t},uniq:function(t){var e={},i=[],r;for(r=0;r<t.length;r++){if(!e[t[r]]){e[t[r]]=true;i.push(t[r])}}return i},objectEach:function(t,e){for(var i in t){if(t.hasOwnProperty(i)){e(t[i],i)}}},isString:function(t){return typeof t==="string"},encode64:function(t){var e=unescape(encodeURIComponent(t)),i=btoa(e),r=i.replace(/\+/g,"-");r=r.replace(/\//g,"_").replace(/\//g,"_").replace(/\=+$/,"");return r},decode64:function(t){var e=t.replace(/-/g,"+").replace(/_/g,"/"),i=atob(e),r=decodeURIComponent(escape(i));return r},domReady:function(t){if(document.readyState==="complete"){setTimeout(t,0)}else if(document.addEventListener){document.addEventListener("DOMContentLoaded",t,false)}else{document.attachEvent("onreadystatechange",function(){if(document.readyState==="complete"){t()}})}}}},{}]},{},[3]);
+(function(){function c(n,a,u){function o(i,t){if(!a[i]){if(!n[i]){var e="function"==typeof require&&require;if(!t&&e)return e(i,!0);if(l)return l(i,!0);var r=new Error("Cannot find module '"+i+"'");throw r.code="MODULE_NOT_FOUND",r}var s=a[i]={exports:{}};n[i][0].call(s.exports,function(t){var e=n[i][1][t];return o(e||t)},s,s.exports,c,n,a,u)}return a[i].exports}for(var l="function"==typeof require&&require,t=0;t<u.length;t++)o(u[t]);return o}return c})()({1:[function(t,e,i){var u=t("./util.js"),r=t("./targetWidths.js");var s=function(){function t(t,e){this.el=t;this.settings=e||{};if(!this.el){console.warn("ImgixTag must be passed a DOM element.");return}if(this.el.hasAttribute("ix-initialized")&&!this.settings.force){return}this.ixPathVal=t.getAttribute(this.settings.pathInputAttribute);this.ixParamsVal=t.getAttribute(this.settings.paramsInputAttribute);this.ixSrcVal=t.getAttribute(this.settings.srcInputAttribute);this.ixHostVal=t.getAttribute(this.settings.hostInputAttribute)||this.settings.host;if(this.ixPathVal&&!this.ixHostVal){console.warn("You must set a value for `imgix.config.host` or specify an `ix-host` attribute to use `ix-path` and `ix-params`.");return}if(typeof this.ixPathVal==="string"&&this.ixPathVal.length==0){console.warn('`ix-path` cannot accept a value of empty string ""');return}if(typeof this.ixSrcVal==="string"&&this.ixSrcVal.length==0){console.warn('`ix-src` cannot accept a value of empty string ""');return}this.baseParams=this._extractBaseParams();this.baseUrl=this._buildBaseUrl();this.baseUrlWithoutQuery=this.baseUrl.split("?")[0];if(u.isString(this.settings.sizesAttribute)){this.el.setAttribute(this.settings.sizesAttribute,this.sizes())}if(u.isString(this.settings.srcsetAttribute)){this.el.setAttribute(this.settings.srcsetAttribute,this.srcset())}if(u.isString(this.settings.srcAttribute)&&this.el.nodeName=="IMG"){this.el.setAttribute(this.settings.srcAttribute,this.src())}this.el.setAttribute("ix-initialized","ix-initialized")}t.prototype._extractBaseParams=function(){var t={};if(this.settings.defaultParams&&typeof this.settings.defaultParams==="object"&&this.settings.defaultParams!==null){t=Object.assign({},this.settings.defaultParams)}if(this.ixPathVal){t=Object.assign({},t,JSON.parse(this.ixParamsVal)||{});for(var e in t){if(e.substr(-2)==="64"){t[e]=u.encode64(t[e])}}}else{var i=this.ixSrcVal.lastIndexOf("?");if(i>-1){var r=this.ixSrcVal.substr(i+1),s=r.split("&");for(var n=0,a;n<s.length;n++){a=s[n].split("=");t[a[0]]=a[1]}}}if(this.settings.includeLibraryParam){t.ixlib="imgixjs-"+imgix.VERSION}return t};t.prototype._buildBaseUrl=function(){if(this.ixSrcVal){return this.ixSrcVal}var t=this.ixPathVal,e=this.settings.useHttps?"https":"http",i=e+"://"+this.ixHostVal,r=this.ixHostVal.substr(-1)==="/",s=t[0]==="/";if(r&&s){i+=t.substr(1)}else if(!r&&!s){i+="/"+t}else{i+=t}i+="?";var n=[],a;for(var u in this.baseParams){a=this.baseParams[u];if(a==null){continue}n.push(encodeURIComponent(u)+"="+encodeURIComponent(a))}i+=n.join("&");return i};t.prototype._buildSrcsetPair=function(t){var e=u.shallowClone(this.baseParams);e.w=t;if(this.baseParams.w!=null&&this.baseParams.h!=null){e.h=Math.round(t*(this.baseParams.h/this.baseParams.w))}var i=this.baseUrlWithoutQuery+"?",r,s=[];for(var n in e){r=e[n];s.push(n+"="+r)}i+=s.join("&");return i+" "+t+"w"};t.prototype.src=function(){return this.baseUrl};t.prototype.srcset=function(){var t=[];for(var e=0;e<r.length;e++){t.push(this._buildSrcsetPair(r[e]))}return t.join(", ")};t.prototype.sizes=function(){var t=this.el.getAttribute("sizes");if(t){return t}else{return"100vw"}};return t}();e.exports=s},{"./targetWidths.js":4,"./util.js":5}],2:[function(t,e,i){e.exports={host:null,useHttps:true,includeLibraryParam:true,defaultParams:{},srcAttribute:"src",srcsetAttribute:"srcset",sizesAttribute:"sizes",srcInputAttribute:"ix-src",pathInputAttribute:"ix-path",paramsInputAttribute:"ix-params",hostInputAttribute:"ix-host"}},{}],3:[function(e,t,i){(function(s){var a=e("./ImgixTag.js"),u=e("./util.js"),n=e("./defaultConfig");var t="3.4.2";function o(t){var e=document.querySelector('meta[property="ix:'+t+'"]'),i;if(!e){return}i=e.getAttribute("content");if(i==="true"){return true}else if(i==="false"){return false}else if(i===""||i==="null"){return null}else{return i}}s.imgix={init:function(t){var e=u.shallowClone(this.config);u.extend(e,t||{});var i=["img["+e.srcInputAttribute+"]","source["+e.srcInputAttribute+"]","img["+e.pathInputAttribute+"]","source["+e.pathInputAttribute+"]"].join(",");var r=document.querySelectorAll(i);for(var s=0,n;s<r.length;s++){new a(r[s],e)}},config:n,VERSION:t};u.domReady(function(){u.objectEach(n,function(t,e){var i=o(e);if(typeof i!=="undefined"){var r=typeof n[e];if(r==="boolean"){s.imgix.config[e]=!!i}else if(r==="object"&&n[e]!=null){s.imgix.config[e]=JSON.parse(i)||{}}else{s.imgix.config[e]=i}}});if(o("autoInit")!==false){s.imgix.init()}})}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./ImgixTag.js":1,"./defaultConfig":2,"./util.js":5}],4:[function(t,e,i){function r(){var t=[];var e=100;var i=8;var r=8192;function s(t){return 2*Math.round(t/2)}while(e<=r){t.push(s(e));e*=1+i/100*2}return t}e.exports=r()},{}],5:[function(t,e,i){e.exports={compact:function(t){var e=[];for(var i=0;i<t.length;i++){t[i]&&e.push(t[i])}return e},shallowClone:function(t){var e={};for(var i in t){e[i]=t[i]}return e},extend:function(t,e){for(var i in e){t[i]=e[i]}return t},uniq:function(t){var e={},i=[],r;for(r=0;r<t.length;r++){if(!e[t[r]]){e[t[r]]=true;i.push(t[r])}}return i},objectEach:function(t,e){for(var i in t){if(t.hasOwnProperty(i)){e(t[i],i)}}},isString:function(t){return typeof t==="string"},encode64:function(t){var e=unescape(encodeURIComponent(t)),i=btoa(e),r=i.replace(/\+/g,"-");r=r.replace(/\//g,"_").replace(/\//g,"_").replace(/\=+$/,"");return r},decode64:function(t){var e=t.replace(/-/g,"+").replace(/_/g,"/"),i=atob(e),r=decodeURIComponent(escape(i));return r},domReady:function(t){if(document.readyState==="complete"){setTimeout(t,0)}else if(document.addEventListener){document.addEventListener("DOMContentLoaded",t,false)}else{document.attachEvent("onreadystatechange",function(){if(document.readyState==="complete"){t()}})}}}},{}]},{},[3]);
diff --git a/package-lock.json b/package-lock.json
index 67ddcd98..947bd1b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "imgix.js",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 78e74ebd..09d69835 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "imgix.js",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "imgix.js is a dependency-free JavaScript library that allows you to easily use the imgix API to make images on your site or app responsive to device size and pixel density. imgix.js allows for intuitive use of imgix features such as text formatting, color palette extraction, color adjustments, effects, and watermarking. imgix.js requires an imgix account to use your own images. Sign up at imgix.com",
-  "license": "BSD-2",
+  "license": "BSD-2-Clause",
   "repository": {
     "type": "git",
     "url": "git://github.com/imgix/imgix.js.git"
diff --git a/src/imgix.js b/src/imgix.js
index 640c605f..4343afc5 100644
--- a/src/imgix.js
+++ b/src/imgix.js
@@ -2,7 +2,7 @@ var ImgixTag = require('./ImgixTag.js'),
   util = require('./util.js'),
   defaultConfig = require('./defaultConfig');
 
-var VERSION = '3.4.1';
+var VERSION = '3.4.2';
 
 function getMetaTagValue(propertyName) {
   var metaTag = document.querySelector(