SEO Technical Issues - Mobile Speed and Desktop Speed

Modified on: Fri, 5 Sep, 2025 at 9:46 PM

The Mobile and Desktop Speed scores come directly from the Google Lighthouse service. The DCI Score will be flagged as an issue if the score is not 100.

Please check the Performance score and check where this falls based on Google’s own scale:

0–49 = Poor
50–89 = Needs Improvement
90–100 = Good

Lighthouse performance scoring | Chrome for Developers

While the site may load quickly under normal conditions, Lighthouse runs tests simulating slower mobile devices and network connections, which can highlight issues that may not show up in real-world usage for everyone. Some of the things impacting the score include longer JavaScript execution, a large DOM size, and delays in loading the largest visible element on the page.

To clarify, our DCI score flags performance when it does not equal 100, which doesn’t mean the site is performing poorly overall, but that there are still technical areas for improvement based on Lighthouse’s standards.

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