1)
После поста иногда выскакивает это:

Sorry

We're currently working on something (in fact - backup). The site will be back up shortly (today evening).

и пост при этом не произошел.

2) Иногда вот такое:
Google Chrome's connection attempt to klab.lv was rejected. The website may be down, or your network may not be properly configured.

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fixed

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