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oreilly.com

Website review oreilly.com

 Generated on November 07 2016 04:48 AM

Old statistics? UPDATE !


The score is 46/100

Download PDF Version

SEO Content
Title

O'Reilly Media - Technology Books, Tech Conferences, IT Courses, News



Length : 69

Perfect, your title contains between 10 and 70 characters.
Description

O'Reilly spreads the knowledge of innovators through technology books, online services, and tech conferences. Find the technology resources you need at O'Reilly Media, a technology company at the leading edge.



Length : 209

Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords

O'Reilly, oreilly, technology books, technology conferences, IT training courses, tech news



Good, your page contains meta keywords.
Og Meta Properties Good, your page take advantage of Og Properties.
Property Content
title O'Reilly Media - Technology Books, Tech Conferences, IT Courses, News
type website
url http://www.oreilly.com
image //cdn.oreillystatic.com/oreilly/images/oreilly-social-icon-200.png
Headings
H1 H2 H3 H4 H5 H6
0 6 7 2 0 0
  • [H2] Weekly Newsletters
  • [H2] We're Hiring at O'Reilly
  • [H2] Live Training
  • [H2] Video Training – It’s like having an expert on your desktop.
  • [H2] Deals of the Day
  • [H2] Video Deal of the Week
  • [H3] On Our Radar
  • [H3] New Books & Videos
  • [H3] Ebook – $21.49 (Save 50%)
  • [H3] Ebook – $14.97 (Save 50%)
  • [H3] Video – $24.99 (Save 50%)
  • [H3] Got a Question?
  • [H3] About Us
  • [H4] What matters now—and why
  • [H4] What is O'Reilly Media?
Images We found 32 images on this web page.

25 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 5%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no Iframes detected on this page.

URL Rewrite Good. Your links looks friendly!
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 53 links including 27 link(s) to files



Anchor Type Juice
- Internal Passing Juice
Ideas Internal Passing Juice
Learning Internal Passing Juice
Events Internal Passing Juice
Shop Internal Passing Juice
Your Account Internal Passing Juice
AI Internal Passing Juice
Economy Internal Passing Juice
Business Internal Passing Juice
Data Internal Passing Juice
Design Internal Passing Juice
Operations Internal Passing Juice
Security Internal Passing Juice
Software Engineering Internal Passing Juice
Software Architecture Internal Passing Juice
See all Internal Passing Juice
- Internal Passing Juice
New Books & Videos Internal Passing Juice
Virtualization, Networking, and Storage Internal Passing Juice
The Big Data Transformation Internal Passing Juice
Web Security 2016 Internal Passing Juice
Functional Programming in PHP Internal Passing Juice
Build Better Products Internal Passing Juice
Advanced Kotlin Programming Internal Passing Juice
Mobile Developer Population Forecasts 2016-2020 Internal Passing Juice
HTML5 for Web Designers, Second Edition Internal Passing Juice
Android Tablets For Dummies Internal Passing Juice
Adobe Camera Raw Workflow Internal Passing Juice
Using Blocks in Ruby Internal Passing Juice
The Future of Commerce Internal Passing Juice
Bot Day 2016 - San Francisco, CA Internal Passing Juice
CompTIA Cloud+ Study Guide Internal Passing Juice
Building RESTful Python Web Services Internal Passing Juice
Mastering ServiceNow Internal Passing Juice
Scala Test-Driven Development Internal Passing Juice
Large Scale Machine Learning with Spark Internal Passing Juice
Go Programming Blueprints Internal Passing Juice
Wicked Cool Shell Scripts Internal Passing Juice
Weekly Newsletters Internal Passing Juice
We're Hiring at O'Reilly Internal Passing Juice
Professional Services Engineer External Passing Juice
Traffic Manager External Passing Juice
Modern Linux Administration Internal Passing Juice
Ten Types of Innovation Internal Passing Juice
Using R for Big Data with Spark Internal Passing Juice
Ask it here > Internal Passing Juice
Our Company Internal Passing Juice
Work with Us Internal Passing Juice
Customer Service Internal Passing Juice
Contact Us Internal Passing Juice
Terms of Service Internal Passing Juice
Privacy Policy Internal Passing Juice
Editorial Independence Internal Passing Juice

SEO Keywords
Keywords Cloud training programming oreilly video books web get deals newsletters day
Keywords Consistency
Keyword Content Title Keywords Description Headings
video 7
training 6
deals 3
web 3
oreilly 3

Usability
Url Domain : oreilly.com
Length : 11
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language You have not specified the language. Use this free meta tags generator to declare the intended language of your website.
Dublin Core This page does not take advantage of Dublin Core.

Document
Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 46
Warnings : 7
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Too bad, your website has too many JS files (more than 6).
Perfect, your website takes advantage of gzip.

Mobile
Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization
XML Sitemap Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt http://oreilly.com/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights

63 / 100    Speed
  Should Fix:
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://content.atomz.com/sp10049ed9/publish/autocomplete_data.js (expiration not specified)
  • http://d29usylhdk1xyu.cloudfront.net/load/login.oreilly.com (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/00/07/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/01/06/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/05/53/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/engine/pr_styles_review.css (expiration not specified)
  • https://d1v9u0bgi1uimx.cloudfront.net/sso.js (expiration not specified)
  • https://d1lqe9temigv1p.cloudfront.net/widget_data/flow.js:xsnca5wmqe9vxv97ygh5vfejkd:en-US:HEAD:signIn (5 minutes)
  • http://fonts.oreillystatic.com/bmj2nsh.js (10 minutes)
  • https://fonts.oreillystatic.com/gap0qyx.js (10 minutes)
  • http://script.crazyegg.com/pages/scripts/0011/6381.js?410698 (60 minutes)
  • http://static.chartbeat.com/js/chartbeat.js?uid=1632&domain=oreilly.com (2 hours)
  • http://www.google-analytics.com/ga.js (2 hours)
  • http://www.oreilly.com/css/oreilly.css (3.6 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 8 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.

Remove render-blocking JavaScript:

  • http://cdn.oreillystatic.com/ajax/libs/jquery/1.7.2/jquery.min.js
  • http://cdn.oreillystatic.com/oreilly/ml/js/ml.js
  • http://fonts.oreillystatic.com/bmj2nsh.js
  • http://cdn.oreillystatic.com/assets/js/s_code.js
  • http://www.oreilly.com/account/login-config.js
  • http://www.oreilly.com/account/janrain-settings.js
  • http://cdn.oreillystatic.com/members/js/widgets/login-widget.min.js

Optimize CSS Delivery of the following:

  • http://cdn.oreillystatic.com/oreilly/ml/css/stylesheet.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-libraries.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-grids.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-content.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-special.css
  • http://www.oreilly.com/css/oreilly.css
  • http://cdn.oreillystatic.com/assets/css/norm-home-160908.css
Show how to fix
  Consider Fixing:
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 25.7KiB (69% reduction).

  • Compressing https://d1v9u0bgi1uimx.cloudfront.net/sso.js could save 20.8KiB (73% reduction).
  • Compressing https://oreilly.janrainsso.com/static/server.html could save 2.7KiB (61% reduction).
  • Compressing http://cdn.oreillystatic.com/images/sitewide-headers/oreilly-logo-norm.svg could save 1.6KiB (54% reduction).
  • Compressing http://content.atomz.com/sp10049ed9/publish/autocomplete_data.js could save 518B (48% reduction).
Show how to fix
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 3.1KiB (19% reduction).

  • Minifying http://cdn.oreillystatic.com/oreilly/ml/css/stylesheet.css could save 2.2KiB (22% reduction) after compression.
  • Minifying http://cdn.oreillystatic.com/oreilly/ml/css/ml-special.css could save 847B (14% reduction) after compression.
Show how to fix
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 3.1KiB (20% reduction).

  • Minifying http://www.oreilly.com/ could save 3.1KiB (20% reduction) after compression.
Show how to fix
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 4KiB (47% reduction).

  • Minifying http://cdn.oreillystatic.com/oreilly/ml/js/footerScripts.js could save 1.8KiB (54% reduction) after compression.
  • Minifying https://app.oreilly.com/account/login-config.js could save 1.2KiB (62% reduction) after compression.
  • Minifying http://cdn.oreillystatic.com/oreilly/ml/js/ml.js could save 1KiB (31% reduction) after compression.
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 77.5KiB (32% reduction).

  • Compressing http://akamaicovers.oreilly.com/images/9781119310730/thumb.gif could save 14.1KiB (67% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781119243229/thumb.gif could save 12.7KiB (64% reduction).
  • Compressing http://covers.oreillystatic.com/images/9781118504246/bkt.gif could save 9.5KiB (76% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781785888748/thumb.gif could save 4.2KiB (45% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781786464675/thumb.gif could save 4.1KiB (48% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781786462251/thumb.gif could save 3.9KiB (36% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781786468949/thumb.gif could save 3.8KiB (41% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781786465955/thumb.gif could save 3.8KiB (38% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920058878/thumb.gif could save 3.4KiB (16% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920054665/thumb.gif could save 2.9KiB (17% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920055471/thumb.gif could save 2.8KiB (14% reduction).
  • Compressing http://covers.oreillystatic.com/images/0636920056621/thumb.gif could save 2.3KiB (19% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920114208/thumb.gif could save 1.6KiB (11% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781593276027/thumb.gif could save 1.5KiB (16% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781940111414/thumb.gif could save 1.3KiB (15% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920054795/thumb.gif could save 1.2KiB (21% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920053231/thumb.gif could save 1.1KiB (15% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781940111469/thumb.gif could save 1.1KiB (18% reduction).
  • Compressing http://covers.oreillystatic.com/images/0636920044079/rc_bkt.gif could save 1KiB (17% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/9781937557256/thumb.gif could save 761B (18% reduction).
  • Compressing http://akamaicovers.oreilly.com/images/0636920032199/rc_thumb.gif could save 633B (14% reduction).
Show how to fix
  3 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

67 / 100    User Experience
  Should Fix:
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 992 CSS pixels wide, but the viewport is only 411 CSS pixels wide. The following elements fall outside the viewport:

  • The element <a href="//www.oreilly.com/conferences/">Events</a> falls outside the viewport.
  • The element <a href="//shop.oreilly.com/">Shop</a> falls outside the viewport.
  • The element <input id="q-b" type="text" name="q" class="transparent"> falls outside the viewport.
  • The element <path> falls outside the viewport.
  • The element <a id="log-out" href="http://members.oreilly.com" class="t-c--d">Your Account</a> falls outside the viewport.
  • The element <a href="/topics/business">Business</a> falls outside the viewport.
  • The element <a href="/topics/data">Data</a> falls outside the viewport.
  • The element <a href="/topics/design">Design</a> falls outside the viewport.
  • The element <a href="/topics/operations">Operations</a> falls outside the viewport.
  • The element <a href="/topics/security">Security</a> falls outside the viewport.
  • The element <a href="/topics/software-engineering">Software Engineering</a> falls outside the viewport.
  • The element <a href="https://www.oreilly.com/topics" class="sa">See all</a> falls outside the viewport.
  • The element <input id="q" type="text" name="q" class="yui-ac-input"> falls outside the viewport.
  • The element <input type="image"> falls outside the viewport.
  • The element <a href="#" class="selected"> falls outside the viewport.
  • The element <a href="#"> falls outside the viewport.
  • The element <a href="#"> falls outside the viewport.
  • The element <h3 class="header bg-gray">New Books &amp; Videos</h3> falls outside the viewport.
  • The element <img src="//akamaicovers…1414/thumb.gif"> falls outside the viewport.
  • The element <a href="//shop.oreilly…81940111414.do">Web Security 2016</a> falls outside the viewport.
  • The element <img src="//akamaicovers…1469/thumb.gif"> falls outside the viewport.
  • The element <a href="//shop.oreilly…81940111469.do">Functional Programming in PHP</a> falls outside the viewport.
  • The element <img src="//akamaicovers…0583/thumb.gif"> falls outside the viewport.
  • The element <a href="//shop.oreilly…81933820583.do">Build Better Products</a> falls outside the viewport.
  • The element <a href="#" class="arrow right"> falls outside the viewport.
  • The element <a href="#" class="dot"> falls outside the viewport.
  • The element <img src="//cdn.oreillys…o-20160603.jpg"> falls outside the viewport.
  • The element <h2 class="fsl fwb fc-light">Live Training</h2> falls outside the viewport.
  • The element <strong>Hands-on, inst…-led training.</strong> falls outside the viewport.
  • The element <span class="arrow">See all upcoming training</span> falls outside the viewport.
  • The element <a href="http://shop.or…gory/videos.do" class="fsl fc-dark">Video Training…your desktop.</a> falls outside the viewport.
  • The element <strong>500+ training…erence videos.</strong> falls outside the viewport.
  • The element <span class="arrow">Start any vide…ining for FREE</span> falls outside the viewport.
  • The element <h4 class="fsl fwb">What is O&#39;Reilly Media?</h4> falls outside the viewport.
  • The element <p class="fwb mb">Technology Boo…Courses &amp; News</p> falls outside the viewport.
  • The element <p>O&#39;Reilly sprea…nd evangelism.</p> falls outside the viewport.
  • The element <img src="http://cdn.ore…ogo-202x57.png" class="mb"> falls outside the viewport.
  • The element <p class="fsl">Get access to…anywhere else.</p> falls outside the viewport.
  • The element <span class="arrow">Try it free</span> falls outside the viewport.
  • The element <span class="fsl fwb">Deals of the Day</span> falls outside the viewport.
  • The element <img src="http://covers.…079/rc_bkt.gif" class="floatl book-cover media"> falls outside the viewport.
  • The element <a href="http://shop.or…9.do?code=DEAL" class="fwb">Modern Linux Administration</a> falls outside the viewport.
  • The element <span class="fc-highlight">$21.49 (Save 50%)</span> falls outside the viewport.
  • The element <span class="fwb">DEAL</span> falls outside the viewport.
  • The element <span class="fwb">Get O&#39;Reilly Deals</span> falls outside the viewport.
  • The element <input type="text" name="email_addr" class="email_address long"> falls outside the viewport.
  • The element <button name="submit" class="skinny">Join</button> falls outside the viewport.
  • The element <img src="http://covers.…504246/bkt.gif" class="floatl book-cover media"> falls outside the viewport.
  • The element <a href="http://shop.or…do?code=MSDEAL" class="fwb">Ten Types of Innovation</a> falls outside the viewport.
  • The element <span class="fc-highlight">$14.97 (Save 50%)</span> falls outside the viewport.
  • The element <span class="fwb">MSDEAL</span> falls outside the viewport.
  • The element <span class="fwb">Get Business Deals</span> falls outside the viewport.
  • The element <input type="text" name="email_addr" class="email_address long"> falls outside the viewport.
  • The element <button name="submit" class="skinny">Join</button> falls outside the viewport.
  • The element <span class="fsl fwb">Video Deal of the Week</span> falls outside the viewport.
  • The element <img src="http://covers.…6621/thumb.gif" class="video-cover media"> falls outside the viewport.
  • The element <a href="http://shop.or…1.do?code=VDWK" class="fwb">Using R for Bi…ata with Spark</a> falls outside the viewport.
  • The element <span class="fc-highlight">$24.99 (Save 50%)</span> falls outside the viewport.
  • The element <span class="fwb">VDWK</span> falls outside the viewport.
  • The element <span class="fwb">Get Weekly Video Deals</span> falls outside the viewport.
  • The element <input type="text" name="email_addr" class="email_address long"> falls outside the viewport.
  • The element <button name="submit" class="skinny">Join</button> falls outside the viewport.
  • The element <h3 class="fsl fwb">Got a Question?</h3> falls outside the viewport.
  • The element <a href="http://support…from_gsfn=true">Ask it here &gt;</a> falls outside the viewport.
  • The element <path> falls outside the viewport.
  • The element <path> falls outside the viewport.
  • The element <path> falls outside the viewport.
  • The element <path> falls outside the viewport.
  • The element <p class="copyright">© 2016 O’Reill…ective owners.</p> falls outside the viewport.
  • The element <img src="//cdn.oreillys…ier-footer.png"> falls outside the viewport.
Show how to fix
  Consider Fixing:
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 <input id="q-b" type="text" name="q" class="transparent"> is close to 2 other tap targets.
  • The tap target <a class="search-cta">search</a> is close to 1 other tap targets.
  • The tap target <a class="search-cta">search</a> is close to 1 other tap targets.
  • The tap target <a href="/topics/software-engineering">Software Engineering</a> is close to 1 other tap targets.
  • The tap target <a href="https://www.oreilly.com/topics" class="sa">See all</a> is close to 1 other tap targets.
  • The tap target <a href="#" class="arrow right"> is close to 1 other tap targets.
  • The tap target <a href="http://jobs.jo…a/job/oZqU3fw6">Professional Services Engineer</a> and 1 others are close to other tap targets.
  • The tap target <a href="//oreilly.com/about/">Our Company</a> and 3 others are close to other tap targets.
  • The tap target <a href="//oreilly.com/…k-with-us.html">Work with Us</a> and 2 others are close to other tap targets.
Show how to fix
  3 Passed Rules
Show details
Avoid plugins

Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.

Configure the viewport

Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.

Use legible font sizes

The text on your page is legible. Learn more about using legible font sizes.

77 / 100    Speed
  Should Fix:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 8 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.

Remove render-blocking JavaScript:

  • http://cdn.oreillystatic.com/ajax/libs/jquery/1.7.2/jquery.min.js
  • http://cdn.oreillystatic.com/oreilly/ml/js/ml.js
  • http://fonts.oreillystatic.com/bmj2nsh.js
  • http://cdn.oreillystatic.com/assets/js/s_code.js
  • http://www.oreilly.com/account/login-config.js
  • http://www.oreilly.com/account/janrain-settings.js
  • http://cdn.oreillystatic.com/members/js/widgets/login-widget.min.js

Optimize CSS Delivery of the following:

  • http://cdn.oreillystatic.com/oreilly/ml/css/stylesheet.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-libraries.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-grids.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-content.css
  • http://cdn.oreillystatic.com/oreilly/ml/css/ml-special.css
  • http://www.oreilly.com/css/oreilly.css
  • http://cdn.oreillystatic.com/assets/css/norm-home-160908.css
Show how to fix
  Consider Fixing:
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 25.7KiB (69% reduction).

  • Compressing https://d1v9u0bgi1uimx.cloudfront.net/sso.js could save 20.8KiB (73% reduction).
  • Compressing https://oreilly.janrainsso.com/static/server.html could save 2.7KiB (61% reduction).
  • Compressing http://cdn.oreillystatic.com/images/sitewide-headers/oreilly-logo-norm.svg could save 1.6KiB (54% reduction).
  • Compressing http://content.atomz.com/sp10049ed9/publish/autocomplete_data.js could save 518B (48% reduction).
Show how to fix
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://content.atomz.com/sp10049ed9/publish/autocomplete_data.js (expiration not specified)
  • http://d29usylhdk1xyu.cloudfront.net/load/login.oreilly.com (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/00/07/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/01/06/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/content/05/53/contents.js (expiration not specified)
  • http://shop.oreilly.com/text/pwr/engine/pr_styles_review.css (expiration not specified)
  • https://d1v9u0bgi1uimx.cloudfront.net/sso.js (expiration not specified)
  • https://d1lqe9temigv1p.cloudfront.net/widget_data/flow.js:xsnca5wmqe9vxv97ygh5vfejkd:en-US:HEAD:signIn (5 minutes)
  • http://fonts.oreillystatic.com/bmj2nsh.js (10 minutes)
  • https://fonts.oreillystatic.com/gap0qyx.js (10 minutes)
  • http://script.crazyegg.com/pages/scripts/0011/6381.js?410698 (60 minutes)
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Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

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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 3.1KiB (20% reduction).

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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 4KiB (47% reduction).

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Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 77.5KiB (32% reduction).

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