JavaScript SEO for Web Apps: What Google Needs in the First Response
A functioning web app can still be a thin search result. Here is how to make important pages understandable before JavaScript runs.
Website & SEO
A practical website audit checklist covering crawlability, indexing, redirects, speed, security, backups, mobile UX and ownership.
The most expensive website defects are often invisible during a normal homepage review. An orphaned landing page, a private portal in a sitemap, a broken redirect, a missing backup or a security rule that challenges legitimate visitors can sit unnoticed until customers or search engines encounter it.
Start from an anonymous session, not an administrator's logged-in browser. Request the homepage, top product pages, main landing pages and the sitemap. Check actual status codes and response headers. A visible page can still be marked `noindex`; a sitemap can return success while many contained URLs are redirects or duplicates.
Write down one canonical version of the website and each major product route. Test `http` to `https`, trailing slash rules, retired paths, renamed products, and direct `index.html` links. Aim for one redirect step to the intended destination when practical. Do not rewrite unrelated old URLs to the homepage merely to avoid a `404`.
Visit a deliberately invalid URL. It should return an actual `404` and a page that helps visitors recover. Search engines use these status codes to distinguish unavailable content from legitimate resources.
Test on a modest mobile device or a throttled connection. Can a first-time visitor identify what the product does? Are key links accessible without animation? Do images reserve their layout space? Can someone use forms and filters with a keyboard?
Core Web Vitals are useful signals, but a missing interactive data table or a search button that does nothing can harm users more than a marginal lab score. Observe the full journey from entry page to the intended action.
Do not rely on `robots.txt` or `noindex` to secure records, dashboards or API endpoints. Verify authentication on the server, session expiry, role-based permissions and appropriate rate limits. Check that public-facing security rules do not accidentally challenge verified search crawlers. Review error logging without exposing private data.
For WordPress deployments, check core, themes, plugins, least-privilege accounts and tested backups. The official WordPress hardening handbook is a better baseline than a random "security tricks" post.
A backup is not enough if nobody knows what it contains or how to restore it. A meaningful recovery test answers: where are files stored, where is the database, how are secrets managed, who has access, how often are backups taken, and what does a restore actually recover?
| Priority | Examples | Action |
|---|---|---|
| P0 | Exposed private data, site unavailable | Contain immediately |
| P1 | Broken checkout, all key pages `noindex` | Fix before launch |
| P2 | Important but non-blocking crawl or UX defect | Schedule near-term fix |
| P3 | Cosmetic polish, optional enhancement | Put in backlog |
When the audit is finished, use an issue tracker with screenshots or command output, an owner and a date for verification. Our Site Audit & Technical Handover and Site Health Toolkit pages describe tools developed for this type of workflow.
Bottom line: a website is ready when important journeys work, private resources are protected and someone can maintain and restore it. Visual polish is the last layer, not the first.
These references support the methodology and version-sensitive background. Always confirm current gameplay details in your own game version.