Start here: is my website crawlable?
A page is crawlable when a search bot can discover the URL, request it successfully, and read its important content. Crawlability is the front door, not the finish line. A crawlable page can still be excluded from an index, treated as a duplicate, or rank poorly.
- Run the free Crawlability Test. Enter the full public URL, including HTTPS.
- Check the response. The preferred page should return HTTP 200. Redirects should reach the intended URL; 4xx and 5xx errors need repair.
- Test robots.txt. Make sure the relevant crawler and URL path are not disallowed. Use the Robots.txt tool.
- Look for noindex. Check both the HTML robots meta tag and the X-Robots-Tag response header.
- Confirm discovery. Link the page through ordinary crawlable HTML and include its canonical URL in an XML sitemap.
- Inspect rendered content. The title, main copy, links, and structured data should be available to the crawler, including after JavaScript rendering.
- Ask the search engine. Use Search Console URL Inspection and Bing URL Inspection for live, engine-specific evidence.
Google explains that robots.txt controls which resources crawlers may request, while a noindex directive controls indexing after the crawler can read it. Blocking a page in robots.txt can prevent Google from seeing its noindex rule. That subtle difference causes a surprising number of “but I checked the box” afternoons.
The most useful free SEO tools
| Tool | Best for | Useful free detail |
|---|---|---|
| Web Host Pro SEO Tools | Fast public checks | Crawlability, robots.txt, sitemaps, indexed pages, SERPs, links, headers, speed, mobile support, metadata, and keyword research. |
| Google Search Console | Google queries and indexing | Real impressions, clicks, queries, page indexing, Core Web Vitals, sitemaps, and URL Inspection for a verified property. |
| Bing Webmaster Tools | Bing and Microsoft visibility | Search performance, URL Inspection, Site Explorer, Site Scan, sitemaps, backlinks, and IndexNow. |
| PageSpeed Insights | Performance and user experience | Mobile and desktop lab diagnostics plus 28-day real-user data when the URL or origin has enough traffic. |
| Rich Results Test | Google-supported structured data | Tests a public URL or pasted code and previews which rich-result types may be eligible. |
| Screaming Frog SEO Spider | Whole-site technical audit | The free desktop edition crawls up to 500 URLs per run and finds broken links, redirects, directives, titles, and metadata. |
| Ahrefs Free | Verified-site audits and links | Current free limits include 5,000 crawl credits per verified project per month and up to 1,000 visible backlinks and keywords. |
| Google Trends | Relative topic and phrase interest | Compares normalized interest by time and place; it is not absolute keyword volume. |
What should you measure first?
Use tools in dependency order. There is little value polishing a meta description for a page that returns a server error, or chasing backlinks to a URL blocked from crawling.
- Access: DNS, HTTPS, response status, robots rules, noindex directives, and rendered content.
- Discovery: internal links, sitemap inclusion, canonicals, and search-engine inspection.
- Relevance: search intent, useful original content, accurate titles, headings, entities, and supporting detail.
- Experience: mobile usability, accessibility, navigation, and performance.
- Trust: accurate authorship, business details, citations, reviews, editorial care, and relevant links.
- Outcomes: qualified impressions, clicks, leads, sales, and assisted conversions—not a decorative score alone.
Core Web Vitals: three numbers worth understanding
Google's current “good” thresholds are Largest Contentful Paint at 2.5 seconds or less, Interaction to Next Paint at 200 milliseconds or less, and Cumulative Layout Shift at 0.1 or less, evaluated at the 75th percentile. PageSpeed Insights field data represents a trailing 28-day window. Its lab score describes a simulated run; field data describes real Chrome-user experiences when enough data exists.
That means a green lab score is useful, not magical. A site can pass the lab and still frustrate real users on slower devices, just as a low-traffic page may have no field data at all.
SEO and GEO use the same foundation
GEO—generative engine optimization—does not replace crawlability, indexing, useful content, or clear site structure. In May 2026, Google reiterated that SEO best practices remain foundational for its generative AI features. Bing's current webmaster guidelines similarly say that discovery, indexing accuracy, content clarity, and trust signals support both conventional search and eligibility for Copilot grounding and citations.
Make pages easy to retrieve and easy to quote accurately: answer the main question early, define terms, use descriptive headings, show dates and authorship, cite primary sources, keep claims current, and distinguish evidence from opinion. Structured data can clarify entities, but it must match visible content and does not guarantee a special result.
Turn tool output into a weekly SEO routine
- Weekly: review search performance changes, indexing alerts, downtime, and high-priority errors.
- Monthly: crawl the site, repair broken internal links, inspect new content, and refresh pages losing useful traffic.
- Quarterly: review content gaps, conversion paths, competitor changes, structured data, and Core Web Vitals trends.
- After every launch: test status codes, canonicals, robots directives, sitemap inclusion, analytics, forms, mobile layout, and URL Inspection.
For a guided version with progress tracking, use the Web Host Pro SEO checklist. It covers foundations, titles and descriptions, content, technical SEO, internal links, local trust signals, and next actions.
Free does not mean identical
Search Console is authoritative about what Google reports for your verified property; Bing Webmaster Tools is authoritative for Bing. Third-party backlink counts, authority scores, keyword volumes, and audits are estimates built from different crawl data and models. Differences are expected. Confirm a serious problem with the page source, response headers, server logs, analytics, and first-party inspection tools before redesigning the site around one red badge.
Frequently Asked Questions
Is my website crawlable?
A page is crawlable when a search bot can discover its URL, request it successfully, and read the important content. Test the URL, robots.txt, HTTP status, rendered content, and Search Console URL Inspection result. Crawlable does not automatically mean indexed or ranked.
What is the best free SEO tool?
Google Search Console is the best starting point for Google visibility because it reports real queries, indexing, and page issues for a verified site. Pair it with a crawler, PageSpeed Insights, Bing Webmaster Tools, and focused tests rather than expecting one tool to do everything.
Are free SEO tools accurate?
First-party tools are authoritative for their own search-engine data, while third-party metrics and estimates use different crawlers and models. Compare trends and verify important findings in server logs, analytics, page source, and search-engine inspection tools.
Can free SEO tools improve rankings?
Tools diagnose and measure; they do not improve a page by themselves. Rankings may improve after you fix access problems, create useful content, strengthen site structure, earn trust, and provide a better experience, but no tool can guarantee a position.
