Guides
On-Page SEO Checklist: Titles, Descriptions, Headings, Images
A practical DomainLens guide to On-Page SEO Checklist: Titles, Descriptions, Headings, Images, focused on title tag, meta description, H1, image alt text.
Run a fresh DomainLens audit and use the report as your priority list.
Overview
On-Page SEO Checklist: Titles, Descriptions, Headings, Images is useful when you need a clear way to separate cosmetic SEO work from issues that can block crawling, indexing, rankings, or search snippets. Start with evidence, then decide what deserves engineering time.
Use an automated audit to collect the baseline, then review the page manually for context, search intent, and business priority.
Why it matters
The most common problems usually sit around title tag, meta description, H1, image alt text. These signals influence how easily search engines discover pages, understand content, and trust the final URL they should rank.
A good SEO workflow turns these checks into a short fix list with owner, impact, effort, and validation steps.
What to check
- Review title tag and record the current state, expected state, and exact URL affected.
- Review meta description and record the current state, expected state, and exact URL affected.
- Review H1 and record the current state, expected state, and exact URL affected.
- Review image alt text and record the current state, expected state, and exact URL affected.
Common mistakes
- Fixing title tag without validating the rendered page, canonical target, and indexability after deployment.
- Fixing meta description without validating the rendered page, canonical target, and indexability after deployment.
- Fixing H1 without validating the rendered page, canonical target, and indexability after deployment.
- Fixing image alt text without validating the rendered page, canonical target, and indexability after deployment.
Next step
Run a fresh DomainLens audit, compare the report with this guide, and prioritize fixes that affect indexability, snippets, internal linking, or Core Web Vitals first.