Представьте: пользователь зашёл на сайт, ресурс уже был в кэше. Но браузер решил проверить, не обновился ли он на сервере. Какой заголовок участвует именно в этом механизме?
Подсказка — в ответе сервера на картинке. Опрос — в следующем посте.
#междусобойчик
BY Библиотека фронтендера | Frontend, JS, JavaScript, React.js, Angular.js, Vue.js
With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.
Launched in 2013, Telegram allows users to broadcast messages to a following via “channels”, or create public and private groups that are simple for others to access. Users can also send and receive large data files, including text and zip files, directly via the app.The platform said it has more than 500m active users, and topped 1bn downloads in August, according to data from SensorTower.Библиотека фронтендера | Frontend JS JavaScript React js Angular js Vue js from hk