Propeller | Digital Marketing Agency Montréal

What Dr Urls found on propellerdm.com

From the audit of their public home page on 22/10/2026, worst first. Each links to what it means and how it is fixed.

• critical
  Missing title tag

  The title tag is a top-3 ranking factor for on-page SEO.

• critical
  Viewport meta tag missing

  Google uses mobile-first indexing, meaning the mobile version of your page is what gets indexed and ranked.

• high
  Missing H1 heading

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

• high
  Missing landmark elements

  WCAG 1.3.1 requires that page structure is programmatically determinable.

• 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
  Character encoding declaration missing

  Missing charset declarations can cause text rendering issues, especially for pages with non-ASCII characters.

• 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
  Missing lang attribute on <html> element

  Without the lang attribute, screen readers may use the wrong pronunciation rules, making the content incomprehensible for visually impaired users.

• medium
  Missing meta description

  While meta descriptions are not a direct ranking factor, they significantly influence click-through rates.

• 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
  Open Graph og:image tag missing

  Social media posts with images receive significantly more engagement than text-only posts.

And 13 more. 5 security findings are not listed on this public page; the site's owner sees them in a full audit after claiming it.