Готовые решени

Установка метатегов для страниц фильтра (1C Bitrix)
Создать Highload-блоки 
 
 Обновлен - UF_DATE_UPDATE - Дата 
 
 URL - UF_URL - Строка 
 H1 - UF_H1 - Строка 
 Tile - UF_TITLE - строка 
 Description - UF_DESCRIPTION - строка 
 use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Loader;
Loader::includeModule("highloadblock");
use Bitrix\Highloadblock as HL;
use Bitrix\Main\Entity;

$hlbl = 3;
$hlblock = HL\HighloadBlockTable::getById($hlbl)->fetch();

$entity = HL\HighloadBlockTable::compileEntity($hlblock);
$entity_data_class = $entity->getDataClass();

$rsData = $entity_data_class::getList(array(
 "select" => array("*"),
 "order" => array("ID" => "ASC"),
 "count_total" => true,
 "filter" => array("UF_URL" => $APPLICATION->GetCurDir())
));
if ($rsData->getCount() != 0) {
 while ($arData = $rsData->Fetch()) {
 if (!empty($arData['UF_TITLE']))
 $APPLICATION->SetPageProperty("title", $arData['UF_TITLE']);
 if (!empty($arData['UF_H1']))
 $APPLICATION->SetTitle($arData['UF_H1']);
 if (!empty($arData['UF_DESCRIPTION']))
 $APPLICATION->SetPageProperty("description", $arData['UF_DESCRIPTION']);
 $textTop = !empty($arData['UF_TEXT_TOP']) ? $arData['UF_TEXT_TOP'] : '';
 $textBottom = !empty($arData['UF_TEXT_BOTTOM']) ? $arData['UF_TEXT_BOTTOM'] : '';
 }
} else {
 $APPLICATION->AddHeadString('<meta name="robots" content="noindex">',true);
}
 
 Пример создания Highload-блока через API 
 <?php

require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");

use Bitrix\Main\Loader;
use Bitrix\Highloadblock as HL;

Loader::IncludeModule('highloadblock');

$arLangs = Array(
 'ru' => 'SEO Фильтр',
 'en' => 'SEO Filter'
);

//создание HL-блока для корзин покупателей
$result = HL\HighloadBlockTable::add(array(
 'NAME' => 'SEOFilter', //должно начинаться с заглавной буквы и состоять только из латинских букв и цифр
 'TABLE_NAME' => 'seofilter', //должно состоять только из строчных латинских букв, цифр и знака подчеркивания
));
if ($result->isSuccess()) {
 $id = $result->getId();

 foreach($arLangs as $lang_key => $lang_val){
 HL\HighloadBlockLangTable::add(array(
 'ID' => $id,
 'LID' => $lang_key,
 'NAME' => $lang_val
 ));
 }
} else {
 $errors = $result->getErrorMessages();
 var_dump($errors);
}

$UFObject = 'HLBLOCK_'.$id;

$arCartFields = Array(
 'UF_DATE_UPDATE'=>Array(
 'ENTITY_ID' => $UFObject,
 'FIELD_NAME' => 'UF_DATE_UPDATE',
 'USER_TYPE_ID' => 'datetime',
 'MANDATORY' => 'Y',
 "EDIT_FORM_LABEL" => Array('ru'=>'Дата', 'en'=>'Дата'),
 "LIST_COLUMN_LABEL" => Array('ru'=>'Дата', 'en'=>'Дата'),
 "LIST_FILTER_LABEL" => Array('ru'=>'Дата', 'en'=>'Дата'),
 "ERROR_MESSAGE" => Array('ru'=>'', 'en'=>''),
 "HELP_MESSAGE" => Array('ru'=>'', 'en'=>''),
 ),
 'UF_URL'=>Array(
 'ENTITY_ID' => $UFObject,
 'FIELD_NAME' => 'UF_URL',
 'USER_TYPE_ID' => 'string',
 'MANDATORY' => 'Y',
 "EDIT_FORM_LABEL" => Array('ru'=>'URL', 'en'=>'URL'),
 "LIST_COLUMN_LABEL" => Array('ru'=>'URL', 'en'=>'URL'),
 "LIST_FILTER_LABEL" => Array('ru'=>'URL', 'en'=>'URL'),
 "ERROR_MESSAGE" => Array('ru'=>'', 'en'=>''),
 "HELP_MESSAGE" => Array('ru'=>'', 'en'=>''),
 ),
 'UF_H1'=>Array(
 'ENTITY_ID' => $UFObject,
 'FIELD_NAME' => 'UF_H1',
 'USER_TYPE_ID' => 'string',
 'MANDATORY' => 'Y',
 "EDIT_FORM_LABEL" => Array('ru'=>'H1', 'en'=>'H1'),
 "LIST_COLUMN_LABEL" => Array('ru'=>'H1', 'en'=>'H1'),
 "LIST_FILTER_LABEL" => Array('ru'=>'H1', 'en'=>'H1'),
 "ERROR_MESSAGE" => Array('ru'=>'', 'en'=>''),
 "HELP_MESSAGE" => Array('ru'=>'', 'en'=>''),
 ),
 'UF_TITLE'=>Array(
 'ENTITY_ID' => $UFObject,
 'FIELD_NAME' => 'UF_TITLE',
 'USER_TYPE_ID' => 'string',
 'MANDATORY' => 'Y',
 "EDIT_FORM_LABEL" => Array('ru'=>'Tile', 'en'=>'Tile'),
 "LIST_COLUMN_LABEL" => Array('ru'=>'Tile', 'en'=>'Tile'),
 "LIST_FILTER_LABEL" => Array('ru'=>'Tile', 'en'=>'Tile'),
 "ERROR_MESSAGE" => Array('ru'=>'', 'en'=>''),
 "HELP_MESSAGE" => Array('ru'=>'', 'en'=>''),
 ),
 'UF_DESCRIPTION'=>Array(
 'ENTITY_ID' => $UFObject,
 'FIELD_NAME' => 'UF_DESCRIPTION',
 'USER_TYPE_ID' => 'string',
 'MANDATORY' => '',
 "EDIT_FORM_LABEL" => Array('ru'=>'Description', 'en'=>'Description'),
 "LIST_COLUMN_LABEL" => Array('ru'=>'Description', 'en'=>'Description'),
 "LIST_FILTER_LABEL" => Array('ru'=>'Description', 'en'=>'Description'),
 "ERROR_MESSAGE" => Array('ru'=>'', 'en'=>''),
 "HELP_MESSAGE" => Array('ru'=>'', 'en'=>''),
 )
);

$arSavedFieldsRes = Array();

foreach($arCartFields as $arCartField){
 $obUserField = new CUserTypeEntity;
 $ID = $obUserField->Add($arCartField);
 $arSavedFieldsRes[] = $ID;
}
?>

 <pre>
	<?print_r($arSavedFieldsRes);?>
</pre>
<?php require($_SERVER["DOCUMENT_ROOT"]."/bitrix/footer.php"); ?>