Seo issue

At first, a big thanks for this great theame.
But i an Facing some seo issue with my hueman theme.

My site name : ABC Wallpapers

Url:http://abcwallpapers.ml

1. No h1 found.

(I am a beginer so, i Don’t have much knowledge about coding)
Here is my
“parts/page-title.php”

<?php if ( ! hu_is_home_empty() ) : ?>
<div class=”page-title pad group”>
<?php //prints the relevant metas (cat, tag, author, date, …) for a given context : home, single post, page, 404, search, archive… ?>
<?php if ( is_home() && hu_is_checked(‘blog-heading-enabled’) ) : ?>
<h2><?php echo hu_blog_title(); ?></h2>
<?php elseif ( is_single() ): ?>
<ul class=”meta-single group”>
<li class=”category”><?php the_category(‘ <span>/</span> ‘); ?>
<?php if ( comments_open() && ( hu_is_checked( ‘comment-count’ ) ) ): ?>
<li class=”comments”>“><i class=”far fa-comments”></i><?php comments_number( ‘0’, ‘1’, ‘%’ ); ?>
<?php endif; ?>

<?php elseif ( is_page() ): ?>
<h1><?php echo hu_get_page_title(); ?></h1>
<?php elseif ( is_search() ): ?>
<h1><?php echo hu_get_search_title(); ?></h1>
<?php elseif ( is_404() ): ?>
<h1><?php echo hu_get_404_title(); ?></h1>
<?php elseif ( is_author() ): ?>
<h1><?php echo hu_get_author_title(); ?></h1>
<?php elseif ( is_category() || is_tag() ): ?>
<h1><?php echo hu_get_term_page_title(); ?></h1>
<?php elseif ( is_day() || is_month() || is_year() ) : ?>
<h1><?php echo hu_get_date_archive_title(); ?></h1>
<?php else: ?>
<?php if ( ! is_home() && ! hu_is_checked(‘blog-heading-enabled’) ) : ?>
<h2><?php the_title(); ?></h2>
<?php endif; ?>

<?php endif; ?>

</div><!–/.page-title–>
<?php endif; ?>

Please change the code if needed.
2.i want disable google fonts. Is it possible in free version.
3.How to combine multiple javascript file?
Waiting for your (seo exper) informative reply eagerly.

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