Martin Splitt

★★★ Should you really invest in server-side rendering for SEO?

Server-side rendering (SSR) is not necessary for Googlebot since it executes JavaScript and sees client-side rendered content. However, SSR is recommended as an investment because it is generally fast...

May 12, 2020 ⚡ Analysis available

★★ Does the JSON application state in the DOM create duplicate content?

During server-side rendering, if the application state is serialized as JSON in the page (for hydration) in addition to the rendered HTML, it does not pose a duplicate content issue. Google only looks...

May 12, 2020 ⚡ Analysis available

★★ Should you test Cloudflare Rocket Loader and third-party tools before activating them for SEO?

To determine if a service like Cloudflare Rocket Loader is compatible with SEO, test your URLs with Google's tools (Mobile Friendly Test, Rich Results Test, Search Console). If the content is displaye...

May 12, 2020 ⚡ Analysis available

★★★ Should you worry about 'Other Error' messages in Search Console and Mobile Friendly Test?

When Search Console or Mobile Friendly Test shows 'Other Error' for resources (JS, CSS), it's typically a limitation of the testing tool: limited quota, no cache, quick timeout. THIS IS NOT a real pro...

May 12, 2020 ⚡ Analysis available

★★★ Does JavaScript rendering really consume crawl budget?

There is no specific quota or budget for JavaScript rendering or JS execution (no 'render budget' or 'JavaScript budget'). The crawl budget only pertains to HTTP requests (crawling), not rendering. Th...

May 12, 2020 ⚡ Analysis available

★★★ Is it really time to move on from dynamic rendering for SEO?

Google is no longer actively recommending dynamic rendering (like Rendertron). It's a workaround, not a long-term solution. If JavaScript causes issues for Googlebot, it's likely causing issues for us...

May 12, 2020 ⚡ Analysis available

★★ Does asynchronous JavaScript post-load really hinder Google indexing?

If part of the content (e.g., e-commerce product listings) is loaded asynchronously via JavaScript after the initial load, it’s not a problem as long as it loads quickly and shows correctly in the URL...

May 12, 2020 ⚡ Analysis available

★★ Shared or Dedicated Server: Does Google really make a difference?

The choice between a shared server and a dedicated server is of no importance to Google. Googlebot makes as many requests as necessary regardless of the hosting. A slow server-side (time to first byte...

May 12, 2020 ⚡ Analysis available

★★ Is SSR + client hydration really safe for Google SEO?

Frameworks with hydration (server-side rendering followed by client hydration, like Next.js/Nuxt) are acceptable. Even if some components only function on the client side, it’s not an issue as long as...

May 12, 2020 ⚡ Analysis available

★★ Should you stop monitoring the overall Lighthouse score to focus on the Core Web Vitals metrics that matter for your site?

The significance of different performance metrics (FID, LCP, CLS) varies based on the type of site. For an interactive application (chat), First Input Delay is crucial. For a content site (Wikipedia),...

May 12, 2020 ⚡ Analysis available

★★★ Is it true that Googlebot overlooks your WebP images served by Service Worker?

If you are using a Service Worker to serve WebP images instead of JPEG/PNG (by detecting browser support), Googlebot will not see the WebP because it does not execute Service Workers. Even if third-pa...

May 12, 2020 ⚡ Analysis available

★★★ Are JavaScript links really crawlable by Google if the code is clean?

Client-side generated links with JavaScript are crawlable by Google as long as they are <a> tags with an href attribute containing a crawlable URL. Client-side rendering is not an issue as long as the...

May 05, 2020 ⚡ Analysis available

★★★ Are JavaScript redirects really as effective as 301s for SEO?

Google properly handles JavaScript redirects (window.location.href). They have no obvious disadvantage compared to server-side 301 redirects for Google Search, although they require the crawler to und...

May 05, 2020 ⚡ Analysis available

★★★ Should you overlook timeout errors from the Mobile-Friendly Test?

Testing tools like the Mobile-Friendly Test can show 'other errors' and timeouts more easily than Google's actual indexing infrastructure, which is much more patient. These errors in the tools do not ...

May 05, 2020 ⚡ Analysis available

★★ Can a 2.7 MB JavaScript bundle really pass through Google without issues?

A total JavaScript bundle size of 2.7 MB does not pose a major problem for Google indexing. It is only from 10 MB that it becomes truly problematic. Optimization remains recommended for user experienc...

May 05, 2020 ⚡ Analysis available

★★ Should you really abandon complete unbundling of your JavaScript files?

Fully unbundling JavaScript bundles into multiple separate files is not recommended because browsers have a limit on simultaneous HTTP connections per host, which slows down loading. Route-based code ...

May 05, 2020 ⚡ Analysis available

★★★ Is Googlebot still crawling your site with an outdated Chrome 41 user-agent?

Since April 2019, Googlebot Search no longer uses the Chrome 41 user-agent and has become evergreen. If requests with Chrome 41 appear in the logs, you must verify that they are genuinely coming from ...

May 05, 2020 ⚡ Analysis available

★★★ Should you really avoid multiple H1 tags on the same page?

Having multiple H1 tags on the same page is not a sign of a problem and is perfectly acceptable to Google. It is not a negative factor for SEO....

May 05, 2020 ⚡ Analysis available

★★ Why do your structured data intermittently vanish from Search Console?

The intermittent appearance and disappearance of JavaScript-generated structured data in the Search Console Enhancements report may be related to temporary rendering issues or the timing of when Googl...

May 05, 2020 ⚡ Analysis available

★★ Does Rendertron really eliminate all JavaScript from the generated HTML for bots?

Rendertron generates static HTML by executing the page via Puppeteer and then completely removing all JavaScript from the served HTML. Scripts like Google Analytics are executed during rendering but a...

May 05, 2020 ⚡ Analysis available