ptt.cc 首頁 - 批踢踢實業坊

Mobile Usability

65/100

Medium

Mobile Speed

55/100

Bad

Last tested: 2017-05-08

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ptt.cc Mobile Usability: 65/100
ptt.cc Mobile Usability Test 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.
service and 5 others render only 5 pixels tall (13 CSS pixels).
批踢踢實業坊 renders only 5 pixels tall (14 CSS pixels).
批踢踢服務 and 1 others render only 5 pixels tall (14 CSS pixels).
Other Services and 3 others render only 5 pixels tall (14 CSS pixels).
關於「好人卡撲克牌」事件 and 2 others render only 6 pixels tall (16 CSS pixels).
批踢踢 (Ptt) 是以學…論空間。批踢踢實業坊同時承諾 and 10 others render only 5 pixels tall (14 CSS pixels).
永久 renders only 5 pixels tall (14 CSS pixels).
(詳細的權利與義務以及隱私權保障請參閱 and 2 others render only 5 pixels tall (12 CSS pixels).
使用者條款 renders only 5 pixels tall (12 CSS pixels).
同時 renders only 5 pixels tall (14 CSS pixels).
財團法人網站分級推廣基金會 and 13 others render only 5 pixels tall (14 CSS pixels).
關於「好人卡撲克牌」事件,批…明之必要,作成三點聲明如下: and 9 others render only 5 pixels tall (14 CSS pixels).
強制拒絕十八歲以下使用者進入 renders only 5 pixels tall (14 CSS pixels).
last update: M…10:55 CST 2006 renders only 5 pixels tall (12 CSS pixels).
批踢踢提供的服務 renders only 6 pixels tall (16 CSS pixels).
Ptt Source and 2 others render only 5 pixels tall (14 CSS pixels).
電子佈告欄系統 (BBS,…談、電子郵件、小遊戲.... and 12 others render only 5 pixels tall (14 CSS pixels).
批踢踢實業坊 and 8 others render only 5 pixels tall (14 CSS pixels).
你現在看到的首頁 Layout 是修改自 and 2 others render only 4 pixels tall (11 CSS pixels).
Mozilla.org and 1 others render only 4 pixels tall (11 CSS pixels).
Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
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 <a href="/statistics.html">Doc</a> and 2 others are close to other tap targets.
The tap target <a href="/index.html">批踢踢服務</a> and 1 others are close to other tap targets.
The tap target <a href="index.bbs.html">Ptt BBS</a> and 3 others are close to other tap targets.
The tap target <a href="/links.html#edu">教育界</a> and 4 others are close to other tap targets.
The tap target <a href="telnet://ptt2.cc">批踢踢兔</a> and 3 others are close to other tap targets.
ptt.cc Mobile Speed: 55/100
ptt.cc Mobile Speed Test Quick Overview

Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://ptt.cc/
http://www.ptt.cc/
https://www.ptt.cc/
https://www.ptt.cc/index.html
Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://images.ptt.cc/default.css
Reduce server response time

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://www.google-analytics.com/analytics.js (2 hours)
https://images.ptt.cc/bg1.gif (24 hours)
https://images.ptt.cc/bg11.gif (24 hours)
https://images.ptt.cc/bg2.gif (24 hours)
https://images.ptt.cc/bg3.gif (24 hours)
https://images.ptt.cc/bg6.gif (24 hours)
https://images.ptt.cc/bg9b.gif (24 hours)
https://images.ptt.cc/default.css (24 hours)
https://images.ptt.cc/print.css (24 hours)
https://images.ptt.cc/ptt.jpg (24 hours)
Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 1KiB (24% reduction).
Minifying https://images.ptt.cc/default.css could save 1KiB (24% reduction) after compression.
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 883B (14% reduction).
Compressing https://images.ptt.cc/ptt.jpg could save 883B (14% reduction).

ptt.cc Mobile Resources


Total Resources16
Number of Hosts5
Static Resources10
JavaScript Resources1
CSS Resources2

ptt.cc Mobile Resource Breakdown