# Technical - [Compatibility and support](https://docs.wproofreader.com/faq/technical/compatibility-and-support.md) - [Can I run WebSpellChecker software on Azure App Service?](https://docs.wproofreader.com/faq/technical/compatibility-and-support/can-i-run-webspellchecker-software-on-azure-app-service.md) - [Does WebSpellChecker provide support for CKEditor v5?](https://docs.wproofreader.com/faq/technical/compatibility-and-support/does-webspellchecker-provide-support-for-ckeditor-v5.md) - [WProofreader doesn't work in Zen browser](https://docs.wproofreader.com/faq/technical/compatibility-and-support/wproofreader-doesnt-work-in-zen-browser.md) - [Can I use your product through the browser or how can I install it?](https://docs.wproofreader.com/faq/technical/compatibility-and-support/can-i-use-your-product-through-the-browser-or-how-can-i-install-it.md) - [SCAYT plugin for CKEditor 4](https://docs.wproofreader.com/faq/technical/scayt-plugin-for-ckeditor-4.md) - [What is the difference between SCAYT plugin for CKEditor 4 and WProofreader?](https://docs.wproofreader.com/faq/technical/scayt-plugin-for-ckeditor-4/what-is-the-difference-between-scayt-plugin-for-ckeditor-4-and-wproofreader.md) - [How to disable the WSC plugin in CKEditor 4?](https://docs.wproofreader.com/faq/technical/scayt-plugin-for-ckeditor-4/how-to-disable-the-wsc-plugin-in-ckeditor-4.md) - [How to remove the SCAYT plugin in CKEditor 4?](https://docs.wproofreader.com/faq/technical/scayt-plugin-for-ckeditor-4/how-to-remove-the-scayt-plugin-in-ckeditor-4.md) - [Caching](https://docs.wproofreader.com/faq/technical/caching.md) - [Can we control the cache limit? Is it configurable?](https://docs.wproofreader.com/faq/technical/caching/can-we-control-the-cache-limit-is-it-configurable.md) - [Can we turn off/on the cache?](https://docs.wproofreader.com/faq/technical/caching/can-we-turn-off-on-the-cache.md) - [How do I enable caching different from the default 10 MB of cache on AppServer for 10000 suggestions](https://docs.wproofreader.com/faq/technical/caching/how-do-i-enable-caching-different-from-the-default-10-mb-of-cache-on-appserver-for-10000-suggestions.md) - [Is caching applicable for both Spelling check and grammar check?](https://docs.wproofreader.com/faq/technical/caching/is-caching-applicable-for-both-spelling-check-and-grammar-check.md) - [Is the cache limit size in MB specified per locale or is it an overall amount?](https://docs.wproofreader.com/faq/technical/caching/is-the-cache-limit-size-in-mb-specified-per-locale-or-is-it-an-overall-amount.md) - [Which caching strategy do you use? Are LRU or LFU strategies supported?](https://docs.wproofreader.com/faq/technical/caching/which-caching-strategy-do-you-use-are-lru-or-lfu-strategies-supported.md) - [WProofreader](https://docs.wproofreader.com/faq/technical/wproofreader.md) - [How would keyboard users be able to access the spell check suggestions?](https://docs.wproofreader.com/faq/technical/wproofreader/how-would-keyboard-users-be-able-to-access-the-spell-check-suggestions.md) - [How to disable Cloud WProofreader plugin for CKEditor 5 while unit tests?](https://docs.wproofreader.com/faq/technical/wproofreader/how-to-disable-cloud-wproofreader-plugin-for-ckeditor-5-while-unit-tests.md) - [How WProofreader works if the backend is unavailable?](https://docs.wproofreader.com/faq/technical/wproofreader/how-wproofreader-works-if-the-backend-is-unavailable.md) - [Is there any way to change the hover behavior to right click in WProofreader?](https://docs.wproofreader.com/faq/technical/wproofreader/is-there-any-way-to-change-the-hover-behavior-to-right-click-in-wproofreader.md) - [What is the mechanism of errors highlighting by WProofreader and SCAYT plugin for CKEditor 4?](https://docs.wproofreader.com/faq/technical/wproofreader/what-is-the-mechanism-of-errors-highlighting-by-wproofreader-and-scayt-plugin-for-ckeditor-4.md) - [API](https://docs.wproofreader.com/faq/technical/api.md) - [What is minimum guaranteed SLA for Cloud API?](https://docs.wproofreader.com/faq/technical/api/what-is-minimum-guaranteed-sla-for-cloud-api.md) - [What is the max limit of an API request?](https://docs.wproofreader.com/faq/technical/api/what-is-the-max-limit-of-an-api-request.md) - [What’s the average response time of a Cloud API request?](https://docs.wproofreader.com/faq/technical/api/whats-the-average-response-time-of-a-cloud-api-request.md) - [Languages](https://docs.wproofreader.com/faq/technical/languages.md) - [AI-based language doesn't provide suggestions for non-existent words](https://docs.wproofreader.com/faq/technical/languages/ai-based-language-doesnt-provide-suggestions-for-non-existent-words.md) - [Why WProofreader auto detect language doesn't work for small piece of texts?](https://docs.wproofreader.com/faq/technical/languages/why-wproofreader-auto-detect-language-doesnt-work-for-small-piece-of-texts.md) - [Engines prioritization while using AI-check kit while proofreading](https://docs.wproofreader.com/faq/technical/languages/engines-prioritization-while-using-ai-check-kit-while-proofreading.md) - [Which spell and grammar check engines are in use?](https://docs.wproofreader.com/faq/technical/languages/which-spell-and-grammar-check-engines-are-in-use.md) - [How to change the list of languages?](https://docs.wproofreader.com/faq/technical/languages/how-to-change-the-list-of-languages.md) - [Security](https://docs.wproofreader.com/faq/technical/security.md) - [Are you OWASP 10 compliant?](https://docs.wproofreader.com/faq/technical/security/are-you-owasp-10-compliant.md) - [Does CVE-2021-44228 (Log4j 2 vulnerability) affect WebSpellChecker products?](https://docs.wproofreader.com/faq/technical/security/does-cve-2021-44228-log4j-2-vulnerability-affect-webspellchecker-products.md) - [Do you implement any data encryption?](https://docs.wproofreader.com/faq/technical/security/do-you-implement-any-data-encryption.md) - [WebSpellChecker security advisory WSC-SA-2026-001](https://docs.wproofreader.com/faq/technical/security/webspellchecker-security-advisory-wsc-sa-2026-001.md): Security advisory WSC-SA-2026-001 covering CVE-2026-40682, CVE-2026-42027, and CVE-2026-42440 in Apache OpenNLP bundled with WProofreader. Status: not exploitable, no customer action required. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.wproofreader.com/faq/technical.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.