Page speed, payload size, and resource loading efficiency.
13 issuesbelow — sorted by severity, with the critical and high-severity ones first because they're what you should fix this week. Each entry links to a single page with the symptom, the root cause, the actual code or config change to ship, and a free scan that checks if the issue applies to your site right now.
One or more script URLs referenced by your site fail to load due to 404, 5xx, or timeout errors, breaking critical site functionality.
Scripts in <head> without defer/async block rendering, slowing page load and hurting Core Web Vitals.
Pages are taking longer than 3 seconds to respond, which negatively impacts user experience, search engine crawling, and Core Web Vitals scores. This issue is o
External resources are loaded without preconnect or dns-prefetch hints, causing additional latency for critical scripts and stylesheets.
Pages with many images load all at once without lazy loading, increasing initial load time and page weight.
Images without width and height attributes can cause layout shifts, negatively impacting Core Web Vitals and SEO rankings.
The main LCP image is not preloaded, delaying its rendering and negatively impacting Core Web Vitals.
When a web page loads more than 15 separate JavaScript files, it creates excessive HTTP requests, slowing down page rendering and negatively impacting user expe
8944 pages with large HTML are served without gzip or Brotli compression, impacting load speed and bandwidth.
Meta refresh redirects are used on 2 pages, causing SEO and performance issues.
Pages with large HTML payloads have HTML files exceeding 200 KB, which slows down download, increases parse time, and delays rendering. This impacts user experi
Lazy-loaded images without width/height cause LCP delays and layout shifts, harming Core Web Vitals and SEO.
Pages with excessive image counts load more than 30 images, leading to increased HTTP requests, higher bandwidth usage, and slower page performance. This can ne