diff --git a/app/DoctrineMigrations/Version20190806130304.php b/app/DoctrineMigrations/Version20190806130304.php
new file mode 100644
index 000000000..8b0271b1f
--- /dev/null
+++ b/app/DoctrineMigrations/Version20190806130304.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Wallabag\CoreBundle\Doctrine\WallabagMigration;
+
+/**
+ * Adding more index to kill some slow queries:
+ *     - user_language
+ *     - user_archived
+ *     - user_created
+ *     - user_starred
+ *     - tag_label
+ *     - config_feed_token.
+ */
+final class Version20190806130304 extends WallabagMigration
+{
+    public function up(Schema $schema): void
+    {
+        switch ($this->connection->getDatabasePlatform()->getName()) {
+            case 'sqlite':
+                $this->addSql('DROP INDEX uid');
+                $this->addSql('DROP INDEX created_at');
+                $this->addSql('DROP INDEX hashed_url_user_id');
+                $this->addSql('DROP INDEX IDX_F4D18282A76ED395');
+                $this->addSql('DROP INDEX hashed_given_url_user_id');
+                $this->addSql('CREATE TEMPORARY TABLE __temp__wallabag_entry AS SELECT id, user_id, title, url, is_archived, is_starred, content, created_at, updated_at, mimetype, language, domain_name, preview_picture, uid, http_status, published_at, starred_at, origin_url, archived_at, given_url, reading_time, published_by, headers, hashed_url, hashed_given_url FROM ' . $this->getTable('entry', true));
+                $this->addSql('DROP TABLE ' . $this->getTable('entry', true));
+                $this->addSql('CREATE TABLE ' . $this->getTable('entry', true) . ' (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, user_id INTEGER DEFAULT NULL, title CLOB DEFAULT NULL COLLATE BINARY, url CLOB DEFAULT NULL COLLATE BINARY, is_archived BOOLEAN NOT NULL, is_starred BOOLEAN NOT NULL, content CLOB DEFAULT NULL COLLATE BINARY, created_at DATETIME NOT NULL, updated_at DATETIME NOT NULL, mimetype CLOB DEFAULT NULL COLLATE BINARY, domain_name CLOB DEFAULT NULL COLLATE BINARY, preview_picture CLOB DEFAULT NULL COLLATE BINARY, uid VARCHAR(23) DEFAULT NULL COLLATE BINARY, http_status VARCHAR(3) DEFAULT NULL COLLATE BINARY, published_at DATETIME DEFAULT NULL, starred_at DATETIME DEFAULT NULL, origin_url CLOB DEFAULT NULL COLLATE BINARY, archived_at DATETIME DEFAULT NULL, given_url CLOB DEFAULT NULL COLLATE BINARY, reading_time INTEGER NOT NULL, published_by CLOB DEFAULT NULL COLLATE BINARY --(DC2Type:array)
+                , headers CLOB DEFAULT NULL COLLATE BINARY --(DC2Type:array)
+                , hashed_url VARCHAR(40) DEFAULT NULL COLLATE BINARY, hashed_given_url VARCHAR(40) DEFAULT NULL COLLATE BINARY, language VARCHAR(20) DEFAULT NULL, CONSTRAINT FK_F4D18282A76ED395 FOREIGN KEY (user_id) REFERENCES "wallabag_user" (id) NOT DEFERRABLE INITIALLY IMMEDIATE)');
+                $this->addSql('INSERT INTO ' . $this->getTable('entry', true) . ' (id, user_id, title, url, is_archived, is_starred, content, created_at, updated_at, mimetype, language, domain_name, preview_picture, uid, http_status, published_at, starred_at, origin_url, archived_at, given_url, reading_time, published_by, headers, hashed_url, hashed_given_url) SELECT id, user_id, title, url, is_archived, is_starred, content, created_at, updated_at, mimetype, language, domain_name, preview_picture, uid, http_status, published_at, starred_at, origin_url, archived_at, given_url, reading_time, published_by, headers, hashed_url, hashed_given_url FROM __temp__wallabag_entry');
+                $this->addSql('DROP TABLE __temp__wallabag_entry');
+                $this->addSql('CREATE INDEX uid ON ' . $this->getTable('entry', true) . ' (uid)');
+                $this->addSql('CREATE INDEX created_at ON ' . $this->getTable('entry', true) . ' (created_at)');
+                $this->addSql('CREATE INDEX hashed_url_user_id ON ' . $this->getTable('entry', true) . ' (user_id, hashed_url)');
+                $this->addSql('CREATE INDEX IDX_F4D18282A76ED395 ON ' . $this->getTable('entry', true) . ' (user_id)');
+                $this->addSql('CREATE INDEX hashed_given_url_user_id ON ' . $this->getTable('entry', true) . ' (user_id, hashed_given_url)');
+                $this->addSql('CREATE INDEX user_language ON ' . $this->getTable('entry', true) . ' (language, user_id)');
+                $this->addSql('CREATE INDEX user_archived ON ' . $this->getTable('entry', true) . ' (user_id, is_archived, archived_at)');
+                $this->addSql('CREATE INDEX user_created ON ' . $this->getTable('entry', true) . ' (user_id, created_at)');
+                $this->addSql('CREATE INDEX user_starred ON ' . $this->getTable('entry', true) . ' (user_id, is_starred, starred_at)');
+                $this->addSql('CREATE INDEX tag_label ON ' . $this->getTable('tag', true) . ' (label)');
+                $this->addSql('CREATE INDEX config_feed_token ON ' . $this->getTable('config', true) . ' (feed_token)');
+                break;
+            case 'mysql':
+                $this->addSql('ALTER TABLE ' . $this->getTable('entry') . ' MODIFY language VARCHAR(20) DEFAULT NULL');
+                $this->addSql('CREATE INDEX user_language ON ' . $this->getTable('entry') . ' (language, user_id)');
+                $this->addSql('CREATE INDEX user_archived ON ' . $this->getTable('entry') . ' (user_id, is_archived, archived_at)');
+                $this->addSql('CREATE INDEX user_created ON ' . $this->getTable('entry') . ' (user_id, created_at)');
+                $this->addSql('CREATE INDEX user_starred ON ' . $this->getTable('entry') . ' (user_id, is_starred, starred_at)');
+                $this->addSql('CREATE INDEX tag_label ON ' . $this->getTable('tag') . ' (label (255))');
+                $this->addSql('CREATE INDEX config_feed_token ON ' . $this->getTable('config') . ' (feed_token (255))');
+                break;
+            case 'postgresql':
+                $this->addSql('ALTER TABLE ' . $this->getTable('entry') . ' ALTER language TYPE VARCHAR(20)');
+                $this->addSql('CREATE INDEX user_language ON ' . $this->getTable('entry') . ' (language, user_id)');
+                $this->addSql('CREATE INDEX user_archived ON ' . $this->getTable('entry') . ' (user_id, is_archived, archived_at)');
+                $this->addSql('CREATE INDEX user_created ON ' . $this->getTable('entry') . ' (user_id, created_at)');
+                $this->addSql('CREATE INDEX user_starred ON ' . $this->getTable('entry') . ' (user_id, is_starred, starred_at)');
+                $this->addSql('CREATE INDEX tag_label ON ' . $this->getTable('tag') . ' (label)');
+                $this->addSql('CREATE INDEX config_feed_token ON ' . $this->getTable('config') . ' (feed_token)');
+                break;
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        switch ($this->connection->getDatabasePlatform()->getName()) {
+            case 'sqlite':
+                $this->addSql('DROP INDEX IDX_F4D18282A76ED395');
+                $this->addSql('DROP INDEX created_at');
+                $this->addSql('DROP INDEX uid');
+                $this->addSql('DROP INDEX hashed_url_user_id');
+                $this->addSql('DROP INDEX hashed_given_url_user_id');
+                $this->addSql('DROP INDEX user_language');
+                $this->addSql('DROP INDEX user_archived');
+                $this->addSql('DROP INDEX user_created');
+                $this->addSql('DROP INDEX user_starred');
+                $this->addSql('DROP INDEX tag_label');
+                $this->addSql('DROP INDEX config_feed_token');
+                $this->addSql('CREATE TEMPORARY TABLE __temp__wallabag_entry AS SELECT id, user_id, uid, title, url, hashed_url, origin_url, given_url, hashed_given_url, is_archived, archived_at, is_starred, content, created_at, updated_at, published_at, published_by, starred_at, mimetype, language, reading_time, domain_name, preview_picture, http_status, headers FROM ' . $this->getTable('entry', true));
+                $this->addSql('DROP TABLE ' . $this->getTable('entry', true));
+                $this->addSql('CREATE TABLE ' . $this->getTable('entry', true) . ' (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, user_id INTEGER DEFAULT NULL, uid VARCHAR(23) DEFAULT NULL, title CLOB DEFAULT NULL, url CLOB DEFAULT NULL, hashed_url VARCHAR(40) DEFAULT NULL, origin_url CLOB DEFAULT NULL, given_url CLOB DEFAULT NULL, hashed_given_url VARCHAR(40) DEFAULT NULL, is_archived BOOLEAN NOT NULL, archived_at DATETIME DEFAULT NULL, is_starred BOOLEAN NOT NULL, content CLOB DEFAULT NULL, created_at DATETIME NOT NULL, updated_at DATETIME NOT NULL, published_at DATETIME DEFAULT NULL, published_by CLOB DEFAULT NULL --(DC2Type:array)
+                , starred_at DATETIME DEFAULT NULL, mimetype CLOB DEFAULT NULL, reading_time INTEGER NOT NULL, domain_name CLOB DEFAULT NULL, preview_picture CLOB DEFAULT NULL, http_status VARCHAR(3) DEFAULT NULL, headers CLOB DEFAULT NULL --(DC2Type:array)
+                , language CLOB DEFAULT NULL COLLATE BINARY)');
+                $this->addSql('INSERT INTO ' . $this->getTable('entry', true) . ' (id, user_id, uid, title, url, hashed_url, origin_url, given_url, hashed_given_url, is_archived, archived_at, is_starred, content, created_at, updated_at, published_at, published_by, starred_at, mimetype, language, reading_time, domain_name, preview_picture, http_status, headers) SELECT id, user_id, uid, title, url, hashed_url, origin_url, given_url, hashed_given_url, is_archived, archived_at, is_starred, content, created_at, updated_at, published_at, published_by, starred_at, mimetype, language, reading_time, domain_name, preview_picture, http_status, headers FROM __temp__wallabag_entry');
+                $this->addSql('DROP TABLE __temp__wallabag_entry');
+                $this->addSql('CREATE INDEX IDX_F4D18282A76ED395 ON ' . $this->getTable('entry', true) . ' (user_id)');
+                $this->addSql('CREATE INDEX created_at ON ' . $this->getTable('entry', true) . ' (created_at)');
+                $this->addSql('CREATE INDEX uid ON ' . $this->getTable('entry', true) . ' (uid)');
+                $this->addSql('CREATE INDEX hashed_url_user_id ON ' . $this->getTable('entry', true) . ' (user_id, hashed_url)');
+                $this->addSql('CREATE INDEX hashed_given_url_user_id ON ' . $this->getTable('entry', true) . ' (user_id, hashed_given_url)');
+                break;
+            case 'mysql':
+                $this->addSql('ALTER TABLE ' . $this->getTable('entry') . ' MODIFY language LONGTEXT DEFAULT NULL');
+                $this->addSql('DROP INDEX user_language ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_archived ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_created ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_starred ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX tag_label ON ' . $this->getTable('tag'));
+                $this->addSql('DROP INDEX config_feed_token ON ' . $this->getTable('config'));
+                break;
+            case 'postgresql':
+                $this->addSql('ALTER TABLE ' . $this->getTable('entry') . ' ALTER language TYPE TEXT');
+                $this->addSql('DROP INDEX user_language ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_archived ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_created ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX user_starred ON ' . $this->getTable('entry'));
+                $this->addSql('DROP INDEX tag_label ON ' . $this->getTable('tag'));
+                $this->addSql('DROP INDEX config_feed_token ON ' . $this->getTable('config'));
+                break;
+        }
+    }
+}
diff --git a/src/Wallabag/CoreBundle/Entity/Config.php b/src/Wallabag/CoreBundle/Entity/Config.php
index c6e65d66e..5181d91da 100644
--- a/src/Wallabag/CoreBundle/Entity/Config.php
+++ b/src/Wallabag/CoreBundle/Entity/Config.php
@@ -11,7 +11,12 @@ use Wallabag\UserBundle\Entity\User;
  * Config.
  *
  * @ORM\Entity(repositoryClass="Wallabag\CoreBundle\Repository\ConfigRepository")
- * @ORM\Table(name="`config`")
+ * @ORM\Table(
+ *     name="`config`",
+ *     indexes={
+ *         @ORM\Index(name="config_feed_token", columns={"feed_token"}, options={"lengths"={255}}),
+ *     }
+ * )
  * @ORM\Entity
  */
 class Config
diff --git a/src/Wallabag/CoreBundle/Entity/Entry.php b/src/Wallabag/CoreBundle/Entity/Entry.php
index 4d5e6fc94..4acec2618 100644
--- a/src/Wallabag/CoreBundle/Entity/Entry.php
+++ b/src/Wallabag/CoreBundle/Entity/Entry.php
@@ -28,7 +28,11 @@ use Wallabag\UserBundle\Entity\User;
  *         @ORM\Index(name="created_at", columns={"created_at"}),
  *         @ORM\Index(name="uid", columns={"uid"}),
  *         @ORM\Index(name="hashed_url_user_id", columns={"user_id", "hashed_url"}, options={"lengths"={null, 40}}),
- *         @ORM\Index(name="hashed_given_url_user_id", columns={"user_id", "hashed_given_url"}, options={"lengths"={null, 40}})
+ *         @ORM\Index(name="hashed_given_url_user_id", columns={"user_id", "hashed_given_url"}, options={"lengths"={null, 40}}),
+ *         @ORM\Index(name="user_language", columns={"language", "user_id"}),
+ *         @ORM\Index(name="user_archived", columns={"user_id", "is_archived", "archived_at"}),
+ *         @ORM\Index(name="user_created", columns={"user_id", "created_at"}),
+ *         @ORM\Index(name="user_starred", columns={"user_id", "is_starred", "starred_at"})
  *     }
  * )
  * @ORM\HasLifecycleCallbacks()
@@ -221,7 +225,7 @@ class Entry
     /**
      * @var string
      *
-     * @ORM\Column(name="language", type="text", nullable=true)
+     * @ORM\Column(name="language", type="string", length=20, nullable=true)
      *
      * @Groups({"entries_for_user", "export_all"})
      */
diff --git a/src/Wallabag/CoreBundle/Entity/Tag.php b/src/Wallabag/CoreBundle/Entity/Tag.php
index 95c47bbd0..3ccb20a5c 100644
--- a/src/Wallabag/CoreBundle/Entity/Tag.php
+++ b/src/Wallabag/CoreBundle/Entity/Tag.php
@@ -16,6 +16,9 @@ use JMS\Serializer\Annotation\XmlRoot;
  * @ORM\Table(
  *     name="`tag`",
  *     options={"collate"="utf8mb4_bin", "charset"="utf8mb4"},
+ *     indexes={
+ *         @ORM\Index(name="tag_label", columns={"label"}, options={"lengths"={255}}),
+ *     }
  * )
  * @ORM\Entity(repositoryClass="Wallabag\CoreBundle\Repository\TagRepository")
  * @ExclusionPolicy("all")