Alex Navarro Front-end Web Developer

What Dr Urls found on alex-navarro.com

From the audit of their public home page on 23/10/2026, worst first. Each links to what it means and how it is fixed.

• high
  Links implemented with JavaScript only

  While Google can execute JavaScript, it does not always follow JavaScript-based navigation.

• high
  Missing H1 heading

  The H1 tag tells both users and search engines what the page is about.

• high
  Slow server response time (TTFB > 3s)

  Page speed is a confirmed Google ranking factor, and TTFB is the foundational component.

• high
  Time to First Byte (TTFB) is slow

  TTFB directly impacts all subsequent loading metrics.

• medium
  Cache-Control header missing

  Proper caching prevents browsers from re-downloading unchanged resources, dramatically improving repeat visit performance.

• medium
  Empty heading tag found

  Empty headings waste an opportunity to provide keyword signals and structural context.

• medium
  Images missing width and height attributes

  Missing image dimensions are the leading cause of Cumulative Layout Shift (CLS), a Core Web Vital and ranking factor.

• medium
  Missing canonical tag

  Canonical tags are the strongest signal you can send to search engines about which URL should be indexed when multiple URLs serve similar content.

• medium
  No structured data (schema.org) found

  Structured data enables rich results (star ratings, FAQ dropdowns, recipe cards, product prices, breadcrumbs, etc.) that dramatically increase click-through rates — some rich resu…

• medium
  Render-blocking CSS or JavaScript

  Render-blocking resources directly impact First Contentful Paint (FCP) and Largest Contentful Paint (LCP), both Core Web Vitals metrics.

• medium
  Scripts without async or defer

  Synchronous scripts halt HTML parsing while the browser downloads and executes them.

• medium
  Thin content (too few words)

  Google's Helpful Content system explicitly targets thin, low-value pages.

And 10 more. 6 security findings are not listed on this public page; the site's owner sees them in a full audit after claiming it.