Ivrpano.com Site Title
四方环视IVRPANO|VR影像制作、分享、交流垂直平台|VR图片、VR视频、VR教程
Ivrpano.com Meta Description
ivrpano社区，是一站式解决360度全景摄影、VR全景视频拍摄、VR空中全景航拍、3D虚拟现实制作，全景上传、分享、展示、漫游，以及创作者互动交流、VR供需交易的综合性社区平台
Ivrpano.com Test Results
ivrpano.com Mobile Usability: 99/100
Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<li></li> and 1 others are close to other tap targets .
ivrpano.com Mobile Speed: 40/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
https://staticcdn.ivrpano.com/uhweb/uhweb.js?v=20181008
...
Optimize CSS Delivery of the following:
https://staticcdn.ivrpano.com/website/font/iconfont.css
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 499.3KiB (39% reduction).
Compressing https://static.ivrpano.com/focus_img/57B7CF165F923CED.jpg could save 226.5KiB (33% reduction).
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://img2.ivrpano.com/panos/3F30577DF3A7699A/vtour/panos/E5E27FF5C799A337.tiles/thumb.jpg@400h (expiration not specified)
...
Reduce server response time
In our test, your server responded in 1.7 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 66% of the final above-the-fold content could be rendered with the full HTML response.
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.4KiB (36% reduction).
Minifying https://www.ivrpano.com/website/pages/common/header.html could save 1.4KiB (36% reduction) after compression.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 793B (16% reduction).
Minifying https://staticcdn.ivrpano.com/uhweb/lib/yunba/js/yunba-js-sdk.js could save 505B (14% reduction) after compression.
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 505B (50% reduction).
Compressing https://staticcdn.ivrpano.com/website/js/weixinshare.js?v=20170217 could save 505B (50% reduction).
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