diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9238c8bb3..ddc617dd9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # sapper changelog
 
+## 0.15.5
+
+* Faster `export` with more explanatory output ([#335](https://github.com/sveltejs/sapper/pull/335))
+* Only blur `activeElement` if it exists ([#332](https://github.com/sveltejs/sapper/issues/332))
+* Don't emit `client_info.json` or `server_info.json` ([#318](https://github.com/sveltejs/sapper/issues/318))
+
 ## 0.15.4
 
 * Add `ignore` option ([#326](https://github.com/sveltejs/sapper/pull/326))
diff --git a/package-lock.json b/package-lock.json
index 5b72034f7..233f30740 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,7 +1,8 @@
 {
   "name": "sapper",
-  "version": "0.15.2",
+  "version": "0.15.4",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "@arr/every": {
       "version": "1.0.0",
@@ -25,7 +26,12 @@
       "version": "5.0.35",
       "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.35.tgz",
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@types/events": "1.2.0",
+        "@types/minimatch": "3.0.3",
+        "@types/node": "10.5.5"
+      }
     },
     "@types/minimatch": {
       "version": "3.0.3",
@@ -37,30 +43,47 @@
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       "resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-0.5.2.tgz",
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@types/node": "10.5.5"
+      }
     },
     "@types/node": {
-      "version": "10.5.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.5.3.tgz",
-      "integrity": "sha512-jQ1p+SyF/z8ygPxfSPKZKMWazlCgTBSyIaC1UCUvkLHDdxdmPQtQFk02X4WFM31Z1BKMAS3MSAK0cRP2c92n6Q=="
+      "version": "10.5.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.5.5.tgz",
+      "integrity": "sha512-6Qnb1gXbp3g1JX9QVJj3A6ORzc9XCyhokxUKaoonHgNXcQhmk8adhotxfkeK8El9TnFeUuH72yI6jQ5nDJKS6w=="
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@types/glob": "5.0.35",
+        "@types/node": "10.5.5"
+      }
     },
     "@webassemblyjs/ast": {
       "version": "1.5.13",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.5.13.tgz",
       "integrity": "sha512-49nwvW/Hx9i+OYHg+mRhKZfAlqThr11Dqz8TsrvqGKMhdI2ijy3KBJOun2Z4770TPjrIJhR6KxChQIDaz8clDA==",
       "dev": true,
+      "requires": {
+        "@webassemblyjs/helper-module-context": "1.5.13",
+        "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+        "@webassemblyjs/wast-parser": "1.5.13",
+        "debug": "3.1.0",
+        "mamacro": "0.0.3"
+      },
       "dependencies": {
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
         }
       }
     },
@@ -81,12 +104,18 @@
       "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-buffer/-/helper-buffer-1.5.13.tgz",
       "integrity": "sha512-v7igWf1mHcpJNbn4m7e77XOAWXCDT76Xe7Is1VQFXc4K5jRcFrl9D0NrqM4XifQ0bXiuTSkTKMYqDxu5MhNljA==",
       "dev": true,
+      "requires": {
+        "debug": "3.1.0"
+      },
       "dependencies": {
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
         }
       }
     },
@@ -94,7 +123,10 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/wast-printer": "1.5.13"
+      }
     },
     "@webassemblyjs/helper-fsm": {
       "version": "1.5.13",
@@ -107,12 +139,19 @@
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       "dev": true,
+      "requires": {
+        "debug": "3.1.0",
+        "mamacro": "0.0.3"
+      },
       "dependencies": {
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
         }
       }
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@@ -127,12 +166,22 @@
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       "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-buffer": "1.5.13",
+        "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+        "@webassemblyjs/wasm-gen": "1.5.13",
+        "debug": "3.1.0"
+      },
       "dependencies": {
         "debug": {
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
         }
       }
     },
@@ -140,13 +189,19 @@
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       "resolved": "https://registry.npmjs.org/@webassemblyjs/ieee754/-/ieee754-1.5.13.tgz",
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "ieee754": "1.1.12"
+      }
     },
     "@webassemblyjs/leb128": {
       "version": "1.5.13",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/leb128/-/leb128-1.5.13.tgz",
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       "dev": true,
+      "requires": {
+        "long": "4.0.0"
+      },
       "dependencies": {
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@@ -167,12 +222,26 @@
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       "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-buffer": "1.5.13",
+        "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+        "@webassemblyjs/helper-wasm-section": "1.5.13",
+        "@webassemblyjs/wasm-gen": "1.5.13",
+        "@webassemblyjs/wasm-opt": "1.5.13",
+        "@webassemblyjs/wasm-parser": "1.5.13",
+        "@webassemblyjs/wast-printer": "1.5.13",
+        "debug": "3.1.0"
+      },
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         "debug": {
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           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
         }
       }
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@@ -180,19 +249,36 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+        "@webassemblyjs/ieee754": "1.5.13",
+        "@webassemblyjs/leb128": "1.5.13",
+        "@webassemblyjs/utf8": "1.5.13"
+      }
     },
     "@webassemblyjs/wasm-opt": {
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       "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-buffer": "1.5.13",
+        "@webassemblyjs/wasm-gen": "1.5.13",
+        "@webassemblyjs/wasm-parser": "1.5.13",
+        "debug": "3.1.0"
+      },
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
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@@ -200,25 +286,51 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-api-error": "1.5.13",
+        "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+        "@webassemblyjs/ieee754": "1.5.13",
+        "@webassemblyjs/leb128": "1.5.13",
+        "@webassemblyjs/utf8": "1.5.13"
+      }
     },
     "@webassemblyjs/wast-parser": {
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/floating-point-hex-parser": "1.5.13",
+        "@webassemblyjs/helper-api-error": "1.5.13",
+        "@webassemblyjs/helper-code-frame": "1.5.13",
+        "@webassemblyjs/helper-fsm": "1.5.13",
+        "long": "3.2.0",
+        "mamacro": "0.0.3"
+      }
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     "@webassemblyjs/wast-printer": {
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/wast-parser": "1.5.13",
+        "long": "3.2.0"
+      }
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       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "mime-types": "2.1.19",
+        "negotiator": "0.6.1"
+      }
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@@ -230,13 +342,19 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
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+      }
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       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
+      "requires": {
+        "acorn": "3.3.0"
+      },
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@@ -250,7 +368,13 @@
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       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
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     "ajv-keywords": {
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@@ -284,7 +408,11 @@
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-      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw=="
+      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
+      "requires": {
+        "micromatch": "3.1.10",
+        "normalize-path": "2.1.1"
+      }
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@@ -296,7 +424,10 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "sprintf-js": "1.0.3"
+      }
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@@ -347,7 +478,10 @@
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-      "dev": true
+      "dev": true,
+      "requires": {
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+      }
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-      "dev": true
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.1"
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       "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
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+      },
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+          "dev": true,
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@@ -442,18 +587,33 @@
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       "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
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-          "dev": true
+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
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-          "dev": true
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     },
     "unpipe": {
       "version": "1.0.0",
@@ -4702,16 +6814,28 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
       "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
+      "requires": {
+        "has-value": "0.3.1",
+        "isobject": "3.0.1"
+      },
       "dependencies": {
         "has-value": {
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
           "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "requires": {
+            "get-value": "2.0.6",
+            "has-values": "0.1.4",
+            "isobject": "2.1.0"
+          },
           "dependencies": {
             "isobject": {
               "version": "2.1.0",
               "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk="
+              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "requires": {
+                "isarray": "1.0.0"
+              }
             }
           }
         },
@@ -4737,6 +6861,9 @@
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
       "dev": true,
+      "requires": {
+        "punycode": "2.1.1"
+      },
       "dependencies": {
         "punycode": {
           "version": "2.1.1",
@@ -4756,6 +6883,10 @@
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
       "integrity": "sha1-ODjpfPxgUh63PFJajlW/3Z4uKPE=",
       "dev": true,
+      "requires": {
+        "punycode": "1.3.2",
+        "querystring": "0.2.0"
+      },
       "dependencies": {
         "punycode": {
           "version": "1.3.2",
@@ -4766,9 +6897,13 @@
       }
     },
     "url-parse": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.1.tgz",
-      "integrity": "sha512-x95Td74QcvICAA0+qERaVkRpTGKyBHHYdwL2LXZm5t/gBtCB9KQSO/0zQgSTYEV1p0WcvSg79TLNPSvd5IDJMQ=="
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.3.tgz",
+      "integrity": "sha512-rh+KuAW36YKo0vClhQzLLveoj8FwPJNu65xLb7Mrt+eZht0IPT0IXgSv8gcMegZ6NvjJUALf6Mf25POlMwD1Fw==",
+      "requires": {
+        "querystringify": "2.0.0",
+        "requires-port": "1.0.0"
+      }
     },
     "use": {
       "version": "3.1.1",
@@ -4779,7 +6914,10 @@
       "version": "0.10.4",
       "resolved": "https://registry.npmjs.org/util/-/util-0.10.4.tgz",
       "integrity": "sha512-0Pm9hTQ3se5ll1XihRic3FDIku70C+iHUdT/W926rSgHV5QgXsYbKZN8MSC3tJtSkhuROzvsQjAaFENRXr+19A==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3"
+      }
     },
     "util-deprecate": {
       "version": "1.0.2",
@@ -4802,7 +6940,11 @@
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz",
       "integrity": "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "spdx-correct": "3.0.0",
+        "spdx-expression-parse": "3.0.0"
+      }
     },
     "vary": {
       "version": "1.1.2",
@@ -4814,7 +6956,12 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "1.3.0"
+      }
     },
     "vlq": {
       "version": "0.2.3",
@@ -4826,31 +6973,76 @@
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
       "integrity": "sha1-XX6kW7755Kb/ZflUOOCofDV9WnM=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "indexof": "0.0.1"
+      }
     },
     "walk-sync": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/walk-sync/-/walk-sync-0.3.2.tgz",
       "integrity": "sha512-FMB5VqpLqOCcqrzA9okZFc0wq0Qbmdm396qJxvQZhDpyu0W95G9JCmp74tx7iyYnyOcBtUuKJsgIKAqjozvmmQ==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ensure-posix-path": "1.0.2",
+        "matcher-collection": "1.0.5"
+      }
     },
     "watchpack": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
       "integrity": "sha512-i6dHe3EyLjMmDlU1/bGQpEw25XSjkJULPuAVKCbNRefQVq48yXKUpwg538F7AZTf9kyr57zj++pQFltUa5H7yA==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "chokidar": "2.0.4",
+        "graceful-fs": "4.1.11",
+        "neo-async": "2.5.1"
+      }
     },
     "webpack": {
-      "version": "4.16.2",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.16.2.tgz",
-      "integrity": "sha512-Fw+RtyJD9ekQ6Mh6e/hYeoafIKK6bP6qS7EVnZ3hejt+1Ah3JCJZTGE0e5S6Eq4ijIVht6ktWOEqJfm92+5MLw==",
+      "version": "4.16.4",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.16.4.tgz",
+      "integrity": "sha512-RqUfwp4qMqv3oFwBQQOoK69C2tdu2FHJEqPABPqgjGDvOIOLqkTOhmmdJjpiRabzNAAH1ahmkA3z4xowlHN+VA==",
       "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.5.13",
+        "@webassemblyjs/helper-module-context": "1.5.13",
+        "@webassemblyjs/wasm-edit": "1.5.13",
+        "@webassemblyjs/wasm-opt": "1.5.13",
+        "@webassemblyjs/wasm-parser": "1.5.13",
+        "acorn": "5.7.1",
+        "acorn-dynamic-import": "3.0.0",
+        "ajv": "6.5.2",
+        "ajv-keywords": "3.2.0",
+        "chrome-trace-event": "1.0.0",
+        "enhanced-resolve": "4.1.0",
+        "eslint-scope": "4.0.0",
+        "json-parse-better-errors": "1.0.2",
+        "loader-runner": "2.3.0",
+        "loader-utils": "1.1.0",
+        "memory-fs": "0.4.1",
+        "micromatch": "3.1.10",
+        "mkdirp": "0.5.1",
+        "neo-async": "2.5.1",
+        "node-libs-browser": "2.1.0",
+        "schema-utils": "0.4.5",
+        "tapable": "1.0.0",
+        "uglifyjs-webpack-plugin": "1.2.7",
+        "watchpack": "1.6.0",
+        "webpack-sources": "1.1.0"
+      },
       "dependencies": {
         "ajv": {
           "version": "6.5.2",
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.2.tgz",
           "integrity": "sha512-hOs7GfvI6tUI1LfZddH82ky6mOMyTuY0mk7kE2pWpmhhUSkumzaTO5vbVwij39MdwPQWCV4Zv57Eo06NtL/GVA==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "2.0.1",
+            "fast-json-stable-stringify": "2.0.0",
+            "json-schema-traverse": "0.4.1",
+            "uri-js": "4.2.2"
+          }
         },
         "ajv-keywords": {
           "version": "3.2.0",
@@ -4862,7 +7054,11 @@
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.0.tgz",
           "integrity": "sha512-1G6UTDi7Jc1ELFwnR58HV4fK9OQK4S6N985f166xqXxpjU6plxFISJa2Ba9KCQuFa8RCnj/lSFJbHo7UFDBnUA==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "esrecurse": "4.2.1",
+            "estraverse": "4.2.0"
+          }
         },
         "fast-deep-equal": {
           "version": "2.0.1",
@@ -4881,13 +7077,20 @@
     "webpack-format-messages": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/webpack-format-messages/-/webpack-format-messages-2.0.3.tgz",
-      "integrity": "sha512-NjIB6eC3PBz6q7FTxMZ15339LWjyvLHeuJ17HTSV/syLZq71O7p6NS4qDaazUr0Qf8ZnzyVapg49Nxssi/dxcg=="
+      "integrity": "sha512-NjIB6eC3PBz6q7FTxMZ15339LWjyvLHeuJ17HTSV/syLZq71O7p6NS4qDaazUr0Qf8ZnzyVapg49Nxssi/dxcg==",
+      "requires": {
+        "kleur": "2.0.1"
+      }
     },
     "webpack-sources": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
       "integrity": "sha512-aqYp18kPphgoO5c/+NaUvEeACtZjMESmDChuD3NBciVpah3XpMEU9VAAtIaB1BsfJWWTSdv8Vv1m3T0aRk2dUw==",
       "dev": true,
+      "requires": {
+        "source-list-map": "2.0.0",
+        "source-map": "0.6.1"
+      },
       "dependencies": {
         "source-map": {
           "version": "0.6.1",
@@ -4901,7 +7104,10 @@
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "isexe": "2.0.0"
+      }
     },
     "wordwrap": {
       "version": "1.0.0",
@@ -4913,7 +7119,10 @@
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.6.0.tgz",
       "integrity": "sha512-6w+3tHbM87WnSWnENBUvA2pxJPLhQUg5LKwUQHq3r+XPhIM+Gh2R5ycbwPCyuGbNg+lPgdcnQUhuC02kJCvffQ==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "errno": "0.1.7"
+      }
     },
     "wrappy": {
       "version": "1.0.2",
@@ -4924,13 +7133,19 @@
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1"
+      }
     },
     "xtend": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
       "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "object-keys": "0.4.0"
+      }
     },
     "y18n": {
       "version": "4.0.0",
@@ -4948,7 +7163,10 @@
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
       "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "fd-slicer": "1.0.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 745a26dab..e3bfd5ea2 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "html-minifier": "^3.5.16",
     "mkdirp": "^0.5.1",
     "node-fetch": "^2.1.1",
-    "port-authority": "^1.0.2",
+    "port-authority": "^1.0.5",
     "pretty-bytes": "^5.0.0",
     "pretty-ms": "^3.1.0",
     "require-relative": "^0.8.7",
diff --git a/src/api/build.ts b/src/api/build.ts
index 02aeb63b4..d7910663c 100644
--- a/src/api/build.ts
+++ b/src/api/build.ts
@@ -4,8 +4,7 @@ import mkdirp from 'mkdirp';
 import rimraf from 'rimraf';
 import { EventEmitter } from 'events';
 import { minify_html } from './utils/minify_html';
-import { create_compilers, create_main_manifests, create_routes, create_serviceworker_manifest } from '../core'
-import { locations } from '../config';
+import { create_compilers, create_main_manifests, create_routes, create_serviceworker_manifest } from '../core';
 import * as events from './interfaces';
 
 export function build(opts: {}) {
diff --git a/src/api/dev.ts b/src/api/dev.ts
index 146123edd..36a53da42 100644
--- a/src/api/dev.ts
+++ b/src/api/dev.ts
@@ -9,6 +9,7 @@ import format_messages from 'webpack-format-messages';
 import { locations } from '../config';
 import { EventEmitter } from 'events';
 import { create_routes, create_main_manifests, create_compilers, create_serviceworker_manifest } from '../core';
+import Deferred from './utils/Deferred';
 import * as events from './interfaces';
 
 export function dev(opts) {
@@ -168,8 +169,6 @@ class Watcher extends EventEmitter {
 			},
 
 			result: info => {
-				fs.writeFileSync(path.join(dest, 'server_info.json'), JSON.stringify(info, null, '  '));
-
 				this.deferreds.client.promise.then(() => {
 					const restart = () => {
 						log = '';
@@ -400,19 +399,6 @@ function mungeWebpackError(message: string, duplicate: boolean) {
 	};
 }
 
-class Deferred {
-	promise: Promise<any>;
-	fulfil: (value?: any) => void;
-	reject: (error: Error) => void;
-
-	constructor() {
-		this.promise = new Promise((fulfil, reject) => {
-			this.fulfil = fulfil;
-			this.reject = reject;
-		});
-	}
-}
-
 const INTERVAL = 10000;
 
 class DevServer {
diff --git a/src/api/export.ts b/src/api/export.ts
index dbe4cb089..2b546d50e 100644
--- a/src/api/export.ts
+++ b/src/api/export.ts
@@ -7,7 +7,7 @@ import fetch from 'node-fetch';
 import * as ports from 'port-authority';
 import { EventEmitter } from 'events';
 import { minify_html } from './utils/minify_html';
-import { locations } from '../config';
+import Deferred from './utils/Deferred';
 import * as events from './interfaces';
 
 export function exporter(opts: {}) {
@@ -52,6 +52,10 @@ async function execute(emitter: EventEmitter, {
 
 	const origin = `http://localhost:${port}`;
 
+	emitter.emit('info', {
+		message: `Crawling ${origin}`
+	});
+
 	const proc = child_process.fork(path.resolve(`${build}/server.js`), [], {
 		cwd: process.cwd(),
 		env: Object.assign({
@@ -64,11 +68,21 @@ async function execute(emitter: EventEmitter, {
 
 	const seen = new Set();
 	const saved = new Set();
+	const deferreds = new Map();
+
+	function get_deferred(pathname: string) {
+		if (!deferreds.has(pathname)) {
+			deferreds.set(pathname, new Deferred())	;
+		}
+
+		return deferreds.get(pathname);
+	}
 
 	proc.on('message', message => {
 		if (!message.__sapper__ || message.event !== 'file') return;
 
-		let file = new URL(message.url, origin).pathname.slice(1);
+		const pathname = new URL(message.url, origin).pathname;
+		let file = pathname.slice(1);
 		let { body } = message;
 
 		if (saved.has(file)) return;
@@ -83,24 +97,26 @@ async function execute(emitter: EventEmitter, {
 
 		emitter.emit('file', <events.FileEvent>{
 			file,
-			size: body.length
+			size: body.length,
+			status: message.status
 		});
 
 		sander.writeFileSync(export_dir, file, body);
+
+		get_deferred(pathname).fulfil();
 	});
 
 	async function handle(url: URL) {
+		const pathname = url.pathname || '/';
+
+		if (seen.has(pathname)) return;
+		seen.add(pathname);
+
+		const deferred = get_deferred(pathname);
+
 		const r = await fetch(url.href);
 		const range = ~~(r.status / 100);
 
-		if (range >= 4) {
-			emitter.emit('failure', <events.FailureEvent>{
-				status: r.status,
-				pathname: url.pathname
-			});
-			return;
-		}
-
 		if (range === 2) {
 			if (r.headers.get('Content-Type') === 'text/html') {
 				const body = await r.text();
@@ -111,16 +127,14 @@ async function execute(emitter: EventEmitter, {
 
 				$('a[href]').each((i: number, $a) => {
 					const url = new URL($a.attribs.href, base.href);
-
-					if (url.origin === origin && !seen.has(url.pathname)) {
-						seen.add(url.pathname);
-						urls.push(url);
-					}
+					if (url.origin === origin) urls.push(url);
 				});
 
 				await Promise.all(urls.map(handle));
 			}
 		}
+
+		await deferred.promise;
 	}
 
 	return ports.wait(port)
diff --git a/src/api/utils/Deferred.ts b/src/api/utils/Deferred.ts
new file mode 100644
index 000000000..866a034d1
--- /dev/null
+++ b/src/api/utils/Deferred.ts
@@ -0,0 +1,12 @@
+export default class Deferred {
+	promise: Promise<any>;
+	fulfil: (value?: any) => void;
+	reject: (error: Error) => void;
+
+	constructor() {
+		this.promise = new Promise((fulfil, reject) => {
+			this.fulfil = fulfil;
+			this.reject = reject;
+		});
+	}
+}
\ No newline at end of file
diff --git a/src/cli.ts b/src/cli.ts
index 3da88bf49..6dad7d7e1 100755
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -1,11 +1,8 @@
 import * as fs from 'fs';
 import * as path from 'path';
-import * as child_process from 'child_process';
 import sade from 'sade';
 import * as colors from 'ansi-colors';
 import prettyMs from 'pretty-ms';
-// import upgrade from './cli/upgrade';
-import * as ports from 'port-authority';
 import * as pkg from '../package.json';
 
 const prog = sade('sapper').version(pkg.version);
@@ -65,19 +62,22 @@ prog.command('start [dir]')
 
 prog.command('export [dest]')
 	.describe('Export your app as static files (if possible)')
+	.option('--build', '(Re)build app before exporting', true)
+	.option('--build-dir', 'Specify a custom temporary build directory', '.sapper/prod')
 	.option('--basepath', 'Specify a base path')
-	.action(async (dest = 'export', opts: { basepath?: string }) => {
-		console.log(`> Building...`);
-
+	.action(async (dest = 'export', opts: { build: boolean, 'build-dir': string, basepath?: string }) => {
 		process.env.NODE_ENV = 'production';
-		process.env.SAPPER_DEST = '.sapper/.export';
+		process.env.SAPPER_DEST = opts['build-dir'];
 
 		const start = Date.now();
 
 		try {
-			const { build } = await import('./cli/build');
-			await build();
-			console.error(`\n> Built in ${elapsed(start)}. Crawling site...`);
+			if (opts.build) {
+				console.log(`> Building...`);
+				const { build } = await import('./cli/build');
+				await build();
+				console.error(`\n> Built in ${elapsed(start)}`);
+			}
 
 			const { exporter } = await import('./cli/export');
 			await exporter(dest, opts);
diff --git a/src/cli/export.ts b/src/cli/export.ts
index 68445ed17..bcaa6899a 100644
--- a/src/cli/export.ts
+++ b/src/cli/export.ts
@@ -3,6 +3,11 @@ import * as colors from 'ansi-colors';
 import prettyBytes from 'pretty-bytes';
 import { locations } from '../config';
 
+function left_pad(str: string, len: number) {
+	while (str.length < len) str = ` ${str}`;
+	return str;
+}
+
 export function exporter(export_dir: string, { basepath = '' }) {
 	return new Promise((fulfil, reject) => {
 		try {
@@ -13,11 +18,19 @@ export function exporter(export_dir: string, { basepath = '' }) {
 			});
 
 			emitter.on('file', event => {
-				console.log(`${colors.bold.cyan(event.file)} ${colors.gray(`(${prettyBytes(event.size)})`)}`);
+				const pb = prettyBytes(event.size);
+				const size_color = event.size > 150000 ? colors.bold.red : event.size > 50000 ? colors.bold.yellow : colors.bold.gray;
+				const size_label = size_color(left_pad(prettyBytes(event.size), 10));
+
+				const file_label = event.status === 200
+					? event.file
+					: colors.bold[event.status >= 400 ? 'red' : 'yellow'](`(${event.status}) ${event.file}`);
+
+				console.log(`${size_label}   ${file_label}`);
 			});
 
-			emitter.on('failure', event => {
-				console.log(`${colors.red(`> Received ${event.status} response when fetching ${event.pathname}`)}`);
+			emitter.on('info', event => {
+				console.log(colors.bold.cyan(`> ${event.message}`));
 			});
 
 			emitter.on('error', event => {
diff --git a/src/config.ts b/src/config.ts
index 8f98481ad..15aef1ba8 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -6,5 +6,5 @@ export const locations = {
 	base:   () => path.resolve(process.env.SAPPER_BASE || ''),
 	app:    () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_APP    || 'app'),
 	routes: () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_ROUTES || 'routes'),
-	dest:   () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_DEST   || '.sapper')
+	dest:   () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_DEST   || `.sapper/${dev() ? 'dev' : 'prod'}`)
 };
\ No newline at end of file
diff --git a/src/middleware.ts b/src/middleware.ts
index 5ca900f43..6941ab36b 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -402,10 +402,24 @@ function get_page_handler(manifest: Manifest, store_getter: (req: Req) => Store)
 			return []; // appease TypeScript
 		}).then(preloaded => {
 			if (redirect) {
+				const location = `${req.baseUrl}/${redirect.location}`;
+
 				res.statusCode = redirect.statusCode;
-				res.setHeader('Location', `${req.baseUrl}/${redirect.location}`);
+				res.setHeader('Location', location);
 				res.end();
 
+				if (process.send) {
+					process.send({
+						__sapper__: true,
+						event: 'file',
+						url: req.url,
+						method: req.method,
+						status: redirect.statusCode,
+						type: 'text/html',
+						body: `<script>window.location.href = "${location}"</script>`
+					});
+				}
+
 				return;
 			}
 
@@ -498,7 +512,7 @@ function get_page_handler(manifest: Manifest, store_getter: (req: Req) => Store)
 					event: 'file',
 					url: req.url,
 					method: req.method,
-					status: 200,
+					status,
 					type: 'text/html',
 					body
 				});