Pourquoi Cloudflare me bloque-t-il ?


About Cloudflare

Cloudflare stands out as a leading provider in the web services landscape, offering a comprehensive suite of tools aimed at optimizing website performance, bolstering security, and ensuring reliability. Positioned as both a content delivery network (CDN) and DNS provider, Cloudflare acts as a vital intermediary between website visitors and hosting servers. Its significance in SEO transcends traditional CDN functionalities, offering a range of features tailored to elevate websites’ search engine visibility and user experience. 

Central to Cloudflare’s SEO impact is its prowess in improving website loading speed and accessibility. Leveraging a global network of servers for content caching, Cloudflare minimizes the physical distance between users and website data. This translates to expedited load times and enhanced browsing experiences, aligning seamlessly with Google’s emphasis on page speed as a crucial ranking factor. 

Beyond speed optimization, Cloudflare plays a pivotal role in fortifying website security against various online threats, including DDoS attacks, malware, and bot traffic. Through its Web Application Firewall (WAF) and SSL encryption, Cloudflare provides robust protection, fostering trust between search engines, site visitors, and site owners alike. 

Moreover, Cloudflare’s DNS services contribute significantly to SEO by offering advanced DNS management functionalities. These include DNSSEC for heightened security, DNS analytics for monitoring performance, and DNS firewall capabilities to mitigate attacks, ensuring uninterrupted website availability and preserving SEO rankings. 

Cloudflare also empowers site owners with comprehensive insights into website traffic and performance through its analytics and reporting tools. By monitoring metrics such as bandwidth usage, traffic patterns, and page load times, site owners can make data-driven decisions to refine their SEO strategies and measure the impact of optimizations over time. Additionally, Cloudflare’s flexible pricing plans cater to a diverse range of website sizes and budgets, making its services accessible to businesses of all scales. 

Coupled with browser extensions and APIs that streamline website management tasks, Cloudflare ensures that SEO benefits are within reach for businesses, regardless of their financial resources or technical expertise. 

In essence, Cloudflare’s multifaceted approach to website optimization, encompassing speed, security, DNS management, and analytics, positions it as a pivotal ally for site owners looking to enhance their SEO efforts and deliver exceptional user experiences.

So, if Cloudflare is blocking you, it’s likely because the security settings on the website you’re trying to access have identified your connection as potentially suspicious or harmful.


Why Cloudflare is Blocking you

Below are some  of the common reasons for Cloudflare blocking your access include:

IP reputation

Cloudflare tient à jour une liste d'adresses IP connues pour des spams, des tentatives de piratage ou d'autres activités malveillantes. Si votre adresse IP figure sur cette liste ou a une mauvaise réputation, vous risquez d'être bloqué.

High-security settings

Le propriétaire du site web peut avoir réglé les paramètres de sécurité de Cloudflare sur un niveau élevé, ce qui entraîne un filtrage plus agressif du trafic entrant. Dans ce cas, même les utilisateurs légitimes peuvent être bloqués ou contestés.

Rate limiting

Cloudflare can block or limit access from IP addresses that make too many requests within a short period, as this can indicate a DDoS attack or automated scraping attempts.

Browser or User-agent issues

Using an outdated browser, a non-standard user agent, or having disabled cookies and JavaScript might trigger Cloudflare’s security measures.

VPN or Proxy usage

L'utilisation de VPN, de proxies ou de Tor peut parfois amener Cloudflare à signaler votre connexion comme suspecte, car ces outils sont souvent utilisés pour dissimuler des activités malveillantes.

Firewall rules

Le propriétaire du site web peut avoir défini des règles de pare-feu spécifiques dans Cloudflare qui bloquent certaines adresses IP, certains pays ou certains agents utilisateurs.

Error warnings you might experience

You might see a warning like this:

“We are currently experiencing a high level of malicious traffic from your country and have had to temporarily restrict access to our website from your location.”

How to fix Cloudflare blocking you:

Pour résoudre le problème, vous pouvez essayer ce qui suit :

  1. Effacer votre navigateur le cache et les cookies, et s'assurer que JavaScript est activée.
  2. Mettez à jour votre navigateur to the latest version, or try using a different browser.
  3. Temporairement désactiver votre VPN or proxy if you are using one.
  4. Check your internet connection and restart your modem or router to obtain a new IP address.
  5. If you suspect your IP address has been mistakenly flagged, you can contact the website owner ou le service d'assistance de Cloudflare pour demander une révision de votre adresse IP.
  6. Connexion à partir de votre téléphone ou accéder au site web à partir d'un café local.

N'oubliez pas que ces mesures sont mises en place pour protéger les sites web et leurs utilisateurs contre les menaces de sécurité. Bien que le blocage puisse être frustrant, l'objectif est de maintenir un environnement en ligne sûr pour tout le monde.

Blocked By Cloudflare

How Do I Know If I Have Been Blocked by Cloudflare? 

If you suspect that you’ve been blocked by Cloudflare, there are several indicators to consider:

  • Access Denied Page: If you encounter an “Access Denied” message when trying to access a website, it could indicate that Cloudflare has blocked your access.
  • CAPTCHA Défis: Cloudflare may present CAPTCHA challenges to users if it detects suspicious behavior or potential threats. If you repeatedly encounter CAPTCHAs when accessing a website, it could suggest that Cloudflare is actively monitoring and potentially blocking your access.
  • Ray ID: Cloudflare often displays a “Ray ID” along with error messages. This unique identifier helps Cloudflare support teams identify and troubleshoot issues. If you see a Ray ID along with an error message, it indicates that Cloudflare is involved in managing the website’s traffic.
  • Screenshot Erreurs: Taking a screenshot of the error message or page can provide visual evidence of the Cloudflare block, which can be useful for troubleshooting and support purposes. 
IP Blocking

How Does Cloudflare Block Websites? 

Cloudflare employs various mechanisms to block access to websites for specific users or IP addresses:

  • IP Blocking: Cloudflare can block access based on IP addresses associated with malicious activity, spam, or other threats. This proactive approach helps mitigate security risks and protect websites from potential attacks.
  • Firewall Rules: Cloudflare’s Firewall Rules allow site owners to create custom rulesets to block or challenge traffic based on specific criteria, such as IP address, country of origin, or user agent. This granular control enables site owners to tailor their security policies to their specific needs and threat landscape. 
  • Challenge Mechanisms: Cloudflare may present CAPTCHA challenges, or JavaScript challenges to users to verify their identity or mitigate suspicious behavior. These challenges serve as additional layers of security to prevent automated bots and malicious actors from accessing websites. 

How Long Does a Cloudflare Block Last? 

The duration of a Cloudflare block can vary depending on the reason for the block and the actions taken by the site owner:

  • Temporary Blocks: In some cases, Cloudflare may impose temporary blocks on users or IP addresses for a specific period. These blocks are often lifted automatically after a designated time or once the triggering conditions are no longer present.
  • Permanent Blocks: In more severe cases, Cloudflare may impose permanent blocks on users or IP addresses associated with persistent malicious activity or violations of the site owner’s security policies. These blocks may require manual intervention by the site owner to lift. 

Resolution Steps: If you believe you’ve been incorrectly blocked by Cloudflare, you can reach out to the site owner or administrator for assistance. They can review the block logs, identify the reason for the block, and take appropriate actions to resolve the issue and restore access.

N'oubliez pas que ces mesures sont mises en place pour protéger les sites web et leurs utilisateurs contre les menaces de sécurité. Bien que le blocage puisse être frustrant, l'objectif est de maintenir un environnement en ligne sûr pour tout le monde.

Cloudflare bloque-t-il Discord ? Essayez cet article : https://seonorth.ca/discord/cloudflare-blocking/


  • Comment puis-je savoir si j'ai été bloqué par Cloudflare ?
  • Comment Cloudflare bloque-t-il les sites web ?
  • Quelle est la durée d'un bloc Cloudflare ?
  • Comment débloquer mon adresse IP sur Cloudflare ?

Publié le : 2023-03-31
Updated on: 2024-04-11

Avatar pour Isaac Adams-Hands

Isaac Adams-Hands

Isaac Adams-Hands est le directeur du référencement chez SEO North, une entreprise qui fournit des services d'optimisation des moteurs de recherche. En tant que professionnel du référencement, Isaac possède une expertise considérable en matière de référencement sur page, de référencement hors page et de référencement technique, ce qui lui donne une longueur d'avance sur la concurrence.