SeitenreportSEO & website analysis since 2007
SEO audit area

Performance and Core Web Vitals

Performance finds are sorted by technical cause and URL meaning. This makes it visible which templates or resources should be improved first.

18 audit categories 350+ automated checks In use since 2007 68,000+ benchmark domains

238 checks per URL · 126 checks website-wide

Seitenreport audit dashboard with score, areas and priorities

What is checked

✓

TTFB and charging paths

✓

Resources and JavaScript

✓

Images and fonts

✓

Cache and header signals

What the Audit Prioritizes

Faster important pagesFewer render blockersBetter UXPrioritized template fixes

Test area: Performance and Core Web Vitals.

The first server response is slow

Illustrative values, not customer findings. Existing audit check T83: TTFB <= 0.8s (heuristic).

Example URL
https://example.org/kategorie
Observed value
timing.ttfb = 1.2 seconds.
Expectation in the check
Threshold of this check: TTFB ≤ 0.8 seconds.
When the statement applies
The value comes from the concrete measurement and can fluctuate with cache, location and server load.
Limit of the statement
TTFB is not its own Core Web Vital. This retrieval does not provide a full LCP/INP/CLS proof, nor does it provide the experience of all users.

Why this area is important

Performance influences user experience, conversion and technical quality. Core-Web-Vitals-related signals show whether important pages can be used quickly or are slowed down by resources, images and JavaScript.

Risk without testing

Poor loading time can weaken crawling, UX and completion rate. Common causes include slow server responses, heavy images, render blockers, large JavaScript packets, and unclear template priorities.

For whom particularly relevant

Relevant for shops, lead websites, SaaS, publishers, local providers and all pages on which mobile users or paid traffic should come to action quickly.

Typical findings in the audit

  • High TTFB or slow first server response
  • Too large images, fonts or scripts in the visible area
  • Render-blocking resources delay presentation
  • Performance problems accumulate on certain templates

Recommended implementation

  • Prioritize critical templates instead of individual random URLs
  • Optimize images, fonts and JavaScript by visible area
  • Check caching, compression and server response
  • Weight performance fixes with SEO and conversion relevance

From Diagnosis to Implementation

Unlocked audits show not only the area, but the affected URLs, examples and priorities. This makes it visible which errors belong first in development, editing, data protection or consulting.

Level Visible in the audit Next step
Audit category Performance & Core Web Vitals as a Structured Test Area Compare all SEO audit areas
Checks 238 checks per URL and 126 checks website-wide View all audit checks
Implementation Prioritized finds and affected URLs Analyze website with Seitenreport

Frequent Questions: Performance & Core Web Vitals

The most important classifications before starting an analysis.

Does the audit check real core web vitals?

Seitenreport evaluates technical performance and core-web-vitals-related signals from the analysis. Field data from real users can be additional important, but it does not replace technical root cause testing.

Which performance issues should be addressed first?

Priority issues on major entry-level, performance, category, and conversion pages, especially if they affect the visible area or many template URLs.