Pintia.cn Site Title

PTA | 程序设计类实验辅助教学平台

Pintia.cn Meta Description

千名教师建设,万道高质量题目,百万用户拼题的程序设计实验辅助教学平台

Pintia.cn Test Results

pintia.cn Mobile Usability: 76/100

Quick overview:
Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
Login renders only 4 pixels tall (14 CSS pixels) .
...
Configure the viewport
Your page specifies a fixed-width desktop viewport. Use a responsive viewport to allow your page to render properly on all devices.
Configuring a viewport specifying width=device-width instead of width=1280 will allow your page to adapt for devices of various widths. This may require additional work to adapt your styling for smaller screens.
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 <span>常见问题解答(FAQ)</span> and 1 others are close to other tap targets .
...

pintia.cn Mobile Speed: 60/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script 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://pintia.cn/assets.d/vendor.3113834215f10171a476.js
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 120.7KiB (46% reduction).
Compressing https://pintia.cn/assets.d/36a6fefc2ad88c8316e7a0f30ee0e2f5.jpg could save 41.6KiB (74% 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://pintia.cn/assets.d/0.573721b811d75b3541b7.chunk.js (expiration not specified)
...
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.
None of the final above-the-fold content could be rendered even with the full HTML response.
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 3.9KiB (79% reduction).
Compressing https://pintia.cn/ could save 3.9KiB (79% reduction).

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