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9 categories: SEO & Search Visibility, Website Performance & Speed, Mobile Experience, Security & Privacy, Accessibility, Content & Messaging, Technical Health, Trust & Credibility, and Local SEO & Google Business. Each category is scored independently, and we provide specific evidence and fix instructions for every issue found.

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We analyze your actual live website, checking real page speed, real HTML structure, and real content. Every finding comes with specific evidence from your site, so you can verify it yourself.

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Shopify fix guide

Deprecated API Usage Heuristic on Shopify

Page may use deprecated browser APIs (e.g., document.write, synchronous XMLHttpRequest) that can degrade performance or break in future browsers.

Issue ID: TECH-DEPRECATED-API-001Severity: advisoryEffort: M

Why this matters

Page may use deprecated browser APIs (e.g., document.write, synchronous XMLHttpRequest) that can degrade performance or break in future browsers. This affects crawlability, rendering, and whether the site can be interpreted correctly by search engines.

Shopify fix path

How to fix this on Shopify

Use theme settings, page settings, or theme code.

1Find the source of the issue in Shopify admin.
2Apply the change.
3Preview and publish.

After you fix it

✓No deprecation warnings in Chrome DevTools Issues tab

Same fix, other platforms

Fix deprecated api usage heuristic on a different CMS

Other fixes

More Shopify fixes

Parents

Related guides

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