diff --git a/app/crawler/specificCrawlers/olx.js b/app/crawler/specificCrawlers/olx.js
index 0f87334..92da55c 100644
--- a/app/crawler/specificCrawlers/olx.js
+++ b/app/crawler/specificCrawlers/olx.js
@@ -53,7 +53,7 @@ class OlxCrawler {
     maxPages = 1000,
     maxResultsPerPage = 100,
     ignoredUsernames = [],
-    delayBetweenPages = 1000
+    delayBetweenPages = 500
   ) {
     this.savers = savers;
     this.baseUrl = "https://www.olx.ba/pretraga?sort_order=desc&sort_po=datum";
diff --git a/app/crawler/specificCrawlers/saljic.js b/app/crawler/specificCrawlers/saljic.js
index ba13373..44adb20 100644
--- a/app/crawler/specificCrawlers/saljic.js
+++ b/app/crawler/specificCrawlers/saljic.js
@@ -4,6 +4,7 @@ const fetch = require("../../helpers/fetchWrapper");
 const { getUrlParams } = require("../../helpers/url");
 const cheerio = require("cheerio");
 const moment = require("moment-timezone");
+const PromisePool = require('@supercharge/promise-pool');
 
 const {
   AD_TYPE,
@@ -47,7 +48,7 @@ class SaljicCrawler {
     maxPages = 5000,
     maxResultsPerPage = 5000,
     ignoredUsernames = [],
-    delayBetweenPages = 1000
+    delayBetweenPages = 500
   ) {
     this.savers = savers;
     this.baseUrl = "https://www.saljicnekretnine.ba/v2/nekretnine_search";