Official statement
Other statements from this video 14 ▾
- 1:10 Le contenu dupliqué pénalise-t-il vraiment le référencement naturel ?
- 3:44 Faut-il vraiment fusionner vos pages similaires pour éviter la pénalité doorway ?
- 4:20 Redirection 301 et canonical : deux méthodes vraiment équivalentes pour concentrer vos signaux SEO ?
- 9:51 Pourquoi Google classe-t-il certaines pages en soft 404 alors qu'elles renvoient un code 200 ?
- 12:48 Les vieilles redirections 301 pénalisent-elles vraiment votre SEO ?
- 15:36 Le contenu masqué mobile est-il vraiment pris en compte par Google dans l'indexation ?
- 20:27 Faut-il vraiment un sitemap pour un petit site stable ?
- 22:17 Les URLs en caractères locaux peuvent-elles pénaliser votre référencement ?
- 24:39 Peut-on vraiment afficher une navigation mobile radicalement différente du desktop sans risque SEO ?
- 25:12 Google utilise-t-il vraiment une sandbox SEO pour filtrer les nouveaux sites ?
- 31:01 Faut-il vraiment rediriger vos pages AMP obsolètes ?
- 36:04 Faut-il inclure l'URL actuelle dans le fil d'Ariane pour optimiser son SEO ?
- 37:31 Le DMCA est-il vraiment efficace contre le duplicate content abusif ?
- 39:11 Le carrousel Top Stories utilise-t-il vraiment les mêmes critères que le classement organique ?
Mueller points to technical issues as a factor in poor rankings, especially the non-indexation of recent content. He recommends verifying that crawling is functioning properly and that pages are being effectively indexed. This statement remains vague on other possible causes and does not prioritize the actual impact of technical issues versus content or backlinks.
What you need to understand
What does "technical issues" mean in Google's eyes?
When Mueller talks about technical issues, he refers to obstacles that prevent Googlebot from accessing, crawling, or properly indexing your pages. Non-indexation of recent content is a common symptom: you publish, but nothing appears in the index.
The "web scraping" mentioned refers to the crawling process by Google's bots. If this process fails—due to a misconfigured robots.txt, 5xx server errors, or looping redirects—your content never makes it into the index. No indexing, no ranking.
Why is the indexing of recent content a key indicator?
A healthy site sees its new pages indexed quickly, often within hours or days, depending on its crawl frequency. If this process slows down or stops, it’s a warning sign.
Several technical causes can block indexing: insufficient crawl budget, accidental noindex tags, incorrectly pointed canonical tags, or an outdated or missing XML sitemap. The issue becomes critical when Google doesn't even discover your URLs.
How can you concretely check if the problem is technical?
The Search Console remains your primary diagnostic tool. Look at the index coverage report: how many pages are excluded, and for what reasons? Check the crawl report: are there any 4xx or 5xx errors, or timeouts?
Test the URL inspection tool on your recently non-indexed content. Google will tell you if it attempted to crawl, if it encountered an error, or if the page is canonicalized elsewhere. This differential diagnosis is essential before concluding that the issue is purely technical.
- Non-indexation of recent content: a sign that crawling or eligibility for indexing is problematic
- Failing web scraping/crawl: check robots.txt, server errors, redirects, response times
- Search Console: coverage report, URL inspection, crawl statistics are your allies
- Multiple possible causes: technical issues, duplicate content, canonical errors, noindex tags, absent or poorly formed sitemap
SEO Expert opinion
Is this statement consistent with real-world observations?
Yes, but it remains incomplete. Technical problems are indeed responsible for many cases of poor rankings, especially on e-commerce sites or media that publish en masse. We regularly see sites with thousands of crawled pages but not indexed due to broken self-referencing canonical tags or poorly managed URL parameters.
However, Mueller does not mention the other major causes of non-ranking: poor content, lack of backlinks, over-optimization, algorithmic penalties. Saying "technical issues can be reasons" does not exclude the fact that in 80% of cases, the problem lies elsewhere. [To verify]: what is the actual proportion of underperforming sites primarily suffering from technical problems versus content or popularity issues?
What nuances should we apply to the mentioned "web scraping"?
The term "web scraping" used by Mueller is clumsy. Google does not scrape in the strict sense; it crawls. This terminological inaccuracy can cause confusion.
The crawling can be technically correct but insufficient in volume if your site has a limited crawl budget. You might have a fast server, a clean robots.txt, and yet Google only crawls 10% of your pages daily because it does not consider your site important enough. In this case, the "technical issue" is actually a popularity issue or an internal architecture problem.
When is this explanation not sufficient?
If your recent content is indexed but ranks for no keywords, the problem is no longer technical. You face a quality issue, semantic targeting issue, or too strong competition.
Similarly, a site can have perfect indexing and never exceed page 5 because it lacks quality backlinks or its E-E-A-T is insufficient. Mueller's statement is true but partial: it covers a segment of the causes of failure, not the entirety. Don't focus only on technical issues if indexing is already established.
Practical impact and recommendations
What should you prioritize checking on your site?
Start with Search Console, Coverage section. Identify the "Excluded" pages and analyze the reasons: noindex, canonical, crawl anomaly, soft 404. If you see hundreds of recent pages "Discovered, currently not indexed," it's a red flag regarding your crawl budget or the perceived quality of these pages.
Next, manually test a few recent URLs using the URL Inspection tool. Request live indexing. If Google refuses or takes days to index, dig deeper: server response times, JavaScript errors blocking rendering, cascading redirects.
What technical errors most often sabotage indexing?
Accidental noindex tags remain the number one cause, especially after a migration or CMS change. Next come misconfigured canonicals pointing to a non-existent version or looping.
Intermittent 5xx server errors often go unnoticed: your site is accessible to you, but Googlebot encounters timeouts or 503 errors during peak hours. Server logs can help detect these anomalies that the Search Console may not capture immediately.
How can you concretely improve your indexing?
Submit a clean and up-to-date XML sitemap, limited to your strategic pages. Don't flood Google with 50,000 URLs of which 90% are weak or duplicate content. Prioritize your important pages with change frequency and priority.
Optimize your internal architecture: every important page should be accessible within 3 clicks from the home page, with internal links carrying descriptive anchors. A good internal linking structure boosts your crawl budget by indicating to Google which pages really matter.
- Check the Search Console coverage report weekly
- Test the indexing of new pages with the URL Inspection tool
- Analyze the server logs to detect 5xx errors or timeouts not visible in GSC
- Audit robots.txt, noindex tags, canonicals on strategic pages
- Submit a clean XML sitemap, limited to indexable and useful pages
- Strengthen internal linking to recent or strategic content
❓ Frequently Asked Questions
Comment savoir si mon contenu récent est réellement indexé par Google ?
Qu'est-ce que le crawl budget et pourquoi impacte-t-il l'indexation ?
Une page indexée mais non classée est-elle un problème technique ?
Les erreurs serveur 5xx temporaires peuvent-elles nuire durablement à l'indexation ?
Faut-il soumettre toutes mes pages dans le sitemap XML ?
🎥 From the same video 14
Other SEO insights extracted from this same Google Search Central video · duration 54 min · published on 23/02/2018
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