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Choosing a WordPress Theme for a Blog

A blog theme has one job: make long text pleasant to read. Judge typography, measure and archive layouts with your own posts, and ignore the homepage demo entirely.

4 min read beginner

Ignore the demo homepage. Blog readers arrive from search or social directly onto a post, not the front page. The single-post template is where a blog theme succeeds or fails, and it is the first thing to evaluate.

Judge the reading experience

Install a candidate on staging, paste in one of your longest real posts, and check:

Line length. Roughly 60–75 characters per line for body text. Too wide and readers lose their place at every line break; too narrow and the eye jumps constantly. Themes with a 1200px content area and 16px text are usually too wide.

Font size and line height. 17–19px equivalent for body text, with line height around 1.6. Smaller text with tight leading looks elegant in a screenshot and is tiring after two paragraphs.

Heading hierarchy. h2 and h3 must be visually distinct from each other and from body text, so a scanner can navigate a long piece.

Element styling. Check how the theme handles the things you actually publish: blockquotes, lists, tables, code blocks, image captions, footnotes. Themes with beautiful headings and unstyled tables are common.

Contrast. Light grey body text on white fails accessibility contrast requirements and is genuinely hard to read on a phone outdoors.

The underlying principles are in how to choose fonts for a website and how to choose a website colour palette.

Check every template a blog uses

Template What to check
Single post Typography, meta display, share and related content
Archive / blog index Excerpt length, image ratio, pagination style
Category and tag Whether they get a description and heading
Author Whether it exists at all, and looks intentional
Search results Layout and the empty state
404 Whether it helps the reader continue

Author, search and 404 pages are the ones themes neglect. They are also the pages you cannot easily rebuild without editing templates.

Test with real content, including the awkward cases

  1. Your longest post, with headings, lists, quotes, tables and embeds.
  2. A post with no featured image — many themes break visibly.
  3. A post with a very long title, and one with a two-word title.
  4. An archive with enough posts to trigger pagination.
  5. A post with a wide image and a portrait image.
  6. Comments, if you use them; and confirm the layout still works when comments are disabled.

Performance matters more on a blog than most sites

Blog readers arrive from search, often on a phone, often on a mediocre connection. A theme carrying sliders, animation libraries and icon fonts for features a blog never uses is paying for nothing.

Test the theme's own demo in a speed tool. If the vendor's tuned demo is heavy, your site will not be lighter. Then check what a single post actually loads once installed — the method is in how to speed up a WordPress site.

Block theme or classic

For a blog, block themes are a good fit: typography and spacing come from theme.json, so a consistent reading experience is a settings change rather than a CSS project. The default bundled themes are genuinely capable here and are maintained alongside core — see what is a WordPress block theme and choosing a free block theme.

A classic theme is fine too, particularly a well-maintained one designed for publications. What matters is that it is actively updated.

Warning signs

  • A demo full of stock photography that collapses without images.
  • Body text below 16px, or grey-on-white with poor contrast.
  • No author, search or 404 templates worth the name.
  • A homepage-first design where the single post template is an afterthought.
  • Required companion plugins for basic layout.
  • No updates in over a year — the maintenance argument in the security checklist.

Once you have chosen

Set your typography and colours globally rather than per post, keep custom CSS in an update-safe place, per how to add custom CSS to WordPress, and work through the WordPress SEO checklist before publishing at volume.

If you later switch themes, post content moves with you but templates and styling do not — plan the change with how to change a WordPress theme.

Frequently asked

No. Any theme with good typography and a clean single-post template works. Themes marketed for blogging often differ mainly in their homepage layout, which you may not even use.
Only if it earns its place. A sidebar full of unused widgets costs attention and mobile space; a sidebar with a genuinely useful subscribe box or related links can be worth it.
Indirectly. Speed, mobile usability and readability affect how long people stay and whether they return; the theme itself does not rank content.

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