Deine Digital Marketing Agentur aus Zürich für Webseiten, Performance Marketing, Social Media Marketing, Fotografie & Videografie.
Web health
60/100
measured 22/10/2026
Issues found
28
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on 12ahead.ch
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.
- highTime to First Byte (TTFB) is slow
TTFB directly impacts all subsequent loading metrics.
- mediumCache-Control header missing
Proper caching prevents browsers from re-downloading unchanged resources, dramatically improving repeat visit performance.
- mediumExcessive third-party resource loading
Third-party resources are outside your control and often add significant payload, blocking time, and unpredictable latency.
- mediumImages missing width and height attributes
Missing image dimensions are the leading cause of Cumulative Layout Shift (CLS), a Core Web Vital and ranking factor.
- mediumLink has empty anchor text
Anchor text is one of the strongest signals search engines use to understand the content of the linked page.
- mediumNo 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…
- mediumOpen Graph og:image tag missing
Social media posts with images receive significantly more engagement than text-only posts.
- mediumRender-blocking CSS or JavaScript
Render-blocking resources directly impact First Contentful Paint (FCP) and Largest Contentful Paint (LCP), both Core Web Vitals metrics.
- mediumScripts without async or defer
Synchronous scripts halt HTML parsing while the browser downloads and executes them.
- lowBroken heading hierarchy
Heading hierarchy provides a semantic outline of the page content.
- lowCSS files are not minified
Unminified CSS files are larger than necessary, increasing download time and delaying rendering.
- lowDuplicate heading text on same page
Duplicate headings reduce the uniqueness and semantic clarity of the page structure.
And 9 more. 4 security findings are not listed on this public page; the site's owner sees them in a full audit after claiming it.
Work with 12AHEAD
We don't publish their phone number or email — nobody listed here asked to be in an address book. Tell us what you need and we'll pass on that you're interested.
Is this your business?
Claim this page with an email address at 12ahead.ch and it becomes yours to edit — with two months of Dr Urls included. Or ask us to take it down, no reason needed: same proof, one click, immediate.
Figures on this page come from Dr Urls crawling 12ahead.ch's public pages. Nothing here is taken from third-party listings.