Generally, many positions in official website are just cosmetic projects. After all, a company's image display website can't be compared with professional recruitment websites in terms of traffic. So the location will not be updated so frequently. Most of the positions posted on the recruitment website are really needed.
Of course, the hot company vacancies of better companies may not remain vacant for a long time, but also have the function of marketing and talent reserve.
So if you are interested in applying for a position in this company, just pay attention to their positions on the recruitment website.