chatwork.com ChatWork | Group chat for global teams

Mobile Usability

100/100

Good

Mobile Speed

53/100

Bad

Last tested: 2017-08-27

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chatwork.com Mobile Speed: 53/100
chatwork.com Mobile Speed Test Quick Overview

Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 315.3KiB (55% reduction).
Compressing http://www.chatwork.com/image/index/bg_main_index.jpg could save 182.9KiB (50% reduction).
Compressing http://www.chatwork.com/image/home/img_device.jpg could save 132.5KiB (65% reduction).
Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
http://use.typekit.net/clg2qao.js
http://www.chatwork.com/javascript/lib/jquery.js
http://www.chatwork.com/javascript/lib/underscore.js
http://twitter.github.com/hogan.js/builds/3.0.1/hogan-3.0.1.js
Optimize CSS Delivery of the following:
http://www.chatwork.com/style/base.min.css
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 175.6KiB (75% reduction).
Compressing http://www.chatwork.com/javascript/lib/jquery.js could save 102.8KiB (75% reduction).
Compressing http://www.chatwork.com/style/base.min.css could save 33.9KiB (81% reduction).
Compressing http://www.chatwork.com/javascript/lib/underscore.js could save 30.6KiB (71% reduction).
Compressing http://www.chatwork.com/ could save 6.7KiB (66% reduction).
Compressing http://www.chatwork.com/javascript/chatwork.min.js could save 1.5KiB (60% 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:
http://www.chatwork.com/font/chatworkfont-5b37cc4d…5b104d4c5e6af6527.woff (expiration not specified)
http://www.chatwork.com/image/common/logo_hz_bl.png (expiration not specified)
http://www.chatwork.com/image/common/logo_hz_neg.png (expiration not specified)
http://www.chatwork.com/image/home/img_blockquote_after.png (expiration not specified)
http://www.chatwork.com/image/home/img_blockquote_before.png (expiration not specified)
http://www.chatwork.com/image/home/img_device.jpg (expiration not specified)
http://www.chatwork.com/image/home/img_file.png (expiration not specified)
http://www.chatwork.com/image/home/img_livechat.png (expiration not specified)
http://www.chatwork.com/image/home/img_security.png (expiration not specified)
http://www.chatwork.com/image/home/img_voice_access.png (expiration not specified)
http://www.chatwork.com/image/index/bg_main_index.jpg (expiration not specified)
http://www.chatwork.com/javascript/chatwork.min.js (expiration not specified)
http://www.chatwork.com/javascript/lib/jquery.js (expiration not specified)
http://www.chatwork.com/javascript/lib/underscore.js (expiration not specified)
http://www.chatwork.com/style/base.min.css (expiration not specified)
http://twitter.github.io/hogan.js/builds/3.0.1/hogan-3.0.1.js (10 minutes)
http://use.typekit.net/clg2qao.js (10 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-W4MK3X (15 minutes)
http://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
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 78.4KiB (43% reduction).
Minifying http://www.chatwork.com/javascript/lib/jquery.js could save 54.9KiB (41% reduction).
Minifying http://www.chatwork.com/javascript/lib/underscore.js could save 22KiB (51% reduction).
Minifying http://twitter.github.io/hogan.js/builds/3.0.1/hogan-3.0.1.js could save 1.4KiB (26% reduction) after compression.
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 1.3KiB (13% reduction).
Minifying http://www.chatwork.com/ could save 1.3KiB (13% reduction).

chatwork.com Mobile Resources


Total Resources37
Number of Hosts9
Static Resources21
JavaScript Resources8
CSS Resources1

chatwork.com Mobile Resource Breakdown