Updates
What we are working on, what changed, and why.
User yunyun’s topics heavily overlap with those of other users [2026.01.06]
User yunyun was sanctioned for publishing a post that plagiarized other users' original content, and the post has been taken down. In accordance with relevant laws, regulations and community rules, CaelLab Forum handles plagiarism…
CaelLab X December 13, 2025 announcement
To mourn the victims of the Nanjing Massacre, on December 13, 2025, the National Memorial Day, the entire platform will switch to a black-and-white color scheme and suspend the posting of entertainment content, as…
A Guide to Writing a Sitemap (sitemap.xml)
sitemap.xml is a site map in XML format that helps search engines discover and crawl pages efficiently and improves indexing efficiency. It contains page URLs, modification times, update frequencies, priorities and other information, and…
How should robots.txt be written?
robots.txt is a plain text file in a website's root directory that controls search engine crawler access. The core directives are User-agent, Disallow, Allow and Sitemap, and crawling rules can be set for different…
You’re telling me Let’s Encrypt is down to 45 days?
Let's Encrypt certificate lifetimes will drop from 90 to 45 days in 2028, with the transition staged and completed in February 2028. The change follows industry security standards and aims to limit the impact…
CSDN Mass-Scrapes GitHub Projects onto GitCode
CSDN's GitCode platform moved open source projects off GitHub without permission, replaced project links and created developer profiles, seriously infringing on developers' rights. The move drew strong protest from developers, with many users demanding…
Rainyun Coupon
Rainyun offers stable and efficient cloud services, and through CaelLab you can now claim a 45% off coupon covering its mainstream products, suitable for building websites and deploying projects. Entering the code "xzlab" when…
CaelLab Statement on Suspending Pursuit of Guoyuan Programming Studio
From CaelLab X; this is a migrated item. https://x.caellab.com/caelllab/124/ November 30, 2025 Recently, Guoyuan Programming Studio voluntarily took down its previously published “Clarification Statement” and publicly acknowledged that the use of some of the…
Announcement: the CaelLab Forum User Level System Is Now Live
CaelLab has officially launched a user level system: community members gain experience points and level up through interactions such as posting technical write-ups and joining discussions. For now levels are display-only honors and do…
Statement on Guoyuan Programming Studio’s Use of Insulting Report Email Addresses and Web Pages in Its Accusations Against CaelLab
From CaelLab X; this is a migrated post.https://x.caellab.com/caelllab/98/ 1. Overview of the Incident 2. Legal and Factual Basis 3. Preservation of Evidence 4. Position and Accountability If the spread online continues to expand, the…