diff --git a/src/config/defaults.go b/src/config/defaults.go
index a53ce1fe..74d607fd 100644
--- a/src/config/defaults.go
+++ b/src/config/defaults.go
@@ -199,39 +199,39 @@ func New() Config {
 					HardTimeout:            3 * time.Second,
 				},
 			},
-			category.QUICK: {
-				Engines: NewQuick(),
+			category.SCIENCE: {
+				Engines: NewScience(),
 				Ranking: NewRanking(),
 				Timings: CategoryTimings{
-					PreferredTimeoutMin:    500 * time.Millisecond,
-					PreferredTimeoutMax:    1500 * time.Millisecond,
+					PreferredTimeoutMin:    1 * time.Second,
+					PreferredTimeoutMax:    2 * time.Second,
 					PreferredResultsNumber: 10,
-					StepTime:               25 * time.Millisecond,
+					StepTime:               100 * time.Millisecond,
 					MinimumResultsNumber:   5,
 					HardTimeout:            3 * time.Second,
 				},
 			},
-			category.SCIENCE: {
-				Engines: NewScience(),
+			category.QUICK: {
+				Engines: NewQuick(),
 				Ranking: NewRanking(),
 				Timings: CategoryTimings{
-					PreferredTimeoutMin:    1 * time.Second,
-					PreferredTimeoutMax:    2 * time.Second,
+					PreferredTimeoutMin:    500 * time.Millisecond,
+					PreferredTimeoutMax:    1500 * time.Millisecond,
 					PreferredResultsNumber: 10,
-					StepTime:               100 * time.Millisecond,
+					StepTime:               25 * time.Millisecond,
 					MinimumResultsNumber:   5,
 					HardTimeout:            3 * time.Second,
 				},
 			},
-			category.BROAD: {
+			category.THOROUGH: {
 				Engines: NewGeneral(),
 				Ranking: NewRanking(),
 				Timings: CategoryTimings{
 					PreferredTimeoutMin:    1 * time.Second,
-					PreferredTimeoutMax:    3 * time.Second,
-					PreferredResultsNumber: 50,
+					PreferredTimeoutMax:    4 * time.Second,
+					PreferredResultsNumber: 70,
 					StepTime:               100 * time.Millisecond,
-					MinimumResultsNumber:   30,
+					MinimumResultsNumber:   50,
 					HardTimeout:            5 * time.Second,
 				},
 			},
diff --git a/src/search/category/category.go b/src/search/category/category.go
index 82b77a4c..e94bd41b 100644
--- a/src/search/category/category.go
+++ b/src/search/category/category.go
@@ -5,14 +5,14 @@ import (
 )
 
 var FromString = map[string]Name{
-	"general": GENERAL,
-	"images":  IMAGES,
-	"quick":   QUICK,
-	"fast":    QUICK,
-	"science": SCIENCE,
-	"sci":     SCIENCE,
-	"broad":   BROAD,
-	"surf":    BROAD,
+	"general":  GENERAL,
+	"images":   IMAGES,
+	"science":  SCIENCE,
+	"sci":      SCIENCE,
+	"quick":    QUICK,
+	"fast":     QUICK,
+	"thorough": THOROUGH,
+	"slow":     THOROUGH,
 }
 
 // returns category
diff --git a/src/search/category/name.go b/src/search/category/name.go
index 52933bf1..9dcacb96 100644
--- a/src/search/category/name.go
+++ b/src/search/category/name.go
@@ -7,7 +7,7 @@ const (
 	UNDEFINED Name = "undefined"
 	GENERAL   Name = "general"
 	IMAGES    Name = "images"
-	QUICK     Name = "quick"
 	SCIENCE   Name = "science"
-	BROAD     Name = "broad"
+	QUICK     Name = "quick"
+	THOROUGH  Name = "thorough"
 )