The implementation of the page load picture first show blur after clear picture effect

Open some online albums, when loading photos, if the speed is slow to load slow, it will first show a similar blur a little mosaic of poor quality, and then slowly become clear photos, so as to avoid the user browsing photos when the page is blank, in the HTML IMG has a Lowsrc Property

Put the thumbnail image of the picture inside the lowsrc, so that because the thumbnail is reduced, according to the proportion of the original picture will have a mosaic!
SRC fill in the original picture!
In this case, the original picture is relatively large, download the slow, lowsrc thumbnail small load fast, so will first show the thumbnail is stretched, such as large picture download will be shown after downloading, so there is a time lag, that is, first by the mosaic, and then clear effect!
Note that the test time is best on the remote server, so the effect is more obvious, this machine, download too fast, may not feel out!