diff --git a/src/extractor/FileLions.ts b/src/extractor/FileLions.ts
index f944e19..b9d84c7 100644
--- a/src/extractor/FileLions.ts
+++ b/src/extractor/FileLions.ts
@@ -80,7 +80,7 @@ export class FileLions extends Extractor {
         ttl: this.ttl,
         meta: {
           ...meta,
-          height: await guessHeightFromPlaylist(ctx, this.fetcher, playlistUrl, { headers: { Referer: url.href } }),
+          height: await guessHeightFromPlaylist(ctx, this.fetcher, playlistUrl, { headers: { Referer: url.href }, queueLimit: 4 }),
           ...(sizeMatch && {
             bytes: bytes.parse(sizeMatch[1] as string) as number,
           }),
diff --git a/src/extractor/Streamtape.ts b/src/extractor/Streamtape.ts
index 8d25d18..0f95171 100644
--- a/src/extractor/Streamtape.ts
+++ b/src/extractor/Streamtape.ts
@@ -40,7 +40,7 @@ export class Streamtape extends Extractor {
         meta: {
           ...meta,
           title,
-          bytes: await guessSizeFromMp4(ctx, this.fetcher, mp4Url),
+          bytes: await guessSizeFromMp4(ctx, this.fetcher, mp4Url, { queueLimit: 4 }),
         },
       },
     ];
diff --git a/src/extractor/Uqload.ts b/src/extractor/Uqload.ts
index 120e4dc..8404b81 100644
--- a/src/extractor/Uqload.ts
+++ b/src/extractor/Uqload.ts
@@ -46,7 +46,7 @@ export class Uqload extends Extractor {
         meta: {
           ...meta,
           title,
-          bytes: await guessSizeFromMp4(ctx, this.fetcher, mp4Url, { headers: { Referer: url.href } }),
+          bytes: await guessSizeFromMp4(ctx, this.fetcher, mp4Url, { headers: { Referer: url.href }, queueLimit: 4 }),
           ...(heightMatch && {
             height: parseInt(heightMatch[1] as string),
           }),
diff --git a/src/extractor/VixSrc.ts b/src/extractor/VixSrc.ts
index 1e299e6..d192867 100644
--- a/src/extractor/VixSrc.ts
+++ b/src/extractor/VixSrc.ts
@@ -20,7 +20,7 @@ export class VixSrc extends Extractor {
 
   protected async extractInternal(ctx: Context, url: URL, meta: Meta): Promise<UrlResult[]> {
     const playlistUrl = await buildMediaFlowProxyExtractorStreamUrl(ctx, this.fetcher, 'VixCloud', url);
-    const countryCodes = await this.determineCountryCodesFromPlaylist(ctx, playlistUrl, { headers: { Referer: url.href } });
+    const countryCodes = await this.determineCountryCodesFromPlaylist(ctx, playlistUrl, { headers: { Referer: url.href }, queueLimit: 4 });
 
     if (!hasMultiEnabled(ctx.config) && !countryCodes.some(countryCode => countryCode in ctx.config)) {
       return [];
@@ -35,7 +35,7 @@ export class VixSrc extends Extractor {
         ttl: this.ttl,
         meta: {
           countryCodes,
-          height: await guessHeightFromPlaylist(ctx, this.fetcher, playlistUrl, { headers: { Referer: url.href } }),
+          height: await guessHeightFromPlaylist(ctx, this.fetcher, playlistUrl, { headers: { Referer: url.href }, queueLimit: 4 }),
         },
       },
     ];
diff --git a/src/utils/media-flow-proxy.ts b/src/utils/media-flow-proxy.ts
index ce5bb2c..0f1c18f 100644
--- a/src/utils/media-flow-proxy.ts
+++ b/src/utils/media-flow-proxy.ts
@@ -35,7 +35,7 @@ export const buildMediaFlowProxyExtractorRedirectUrl = (ctx: Context, host: stri
 export const buildMediaFlowProxyExtractorStreamUrl = async (ctx: Context, fetcher: Fetcher, host: string, url: URL, headers: Record<string, string> = {}): Promise<URL> => {
   const mediaFlowProxyUrl = buildMediaFlowProxyExtractorUrl(ctx, host, url, headers);
 
-  const extractResult: ExtractResult = await fetcher.json(ctx, mediaFlowProxyUrl);
+  const extractResult: ExtractResult = await fetcher.json(ctx, mediaFlowProxyUrl, { queueLimit: 4 });
 
   const streamUrl = new URL(extractResult.mediaflow_proxy_url);