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 Generated on March 17 2016 16:01 PM

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SEO Content

Title YSlow - Official Open Source Project Website

Length : 44

Perfect, your title contains between 10 and 70 characters.
Description Official YSlow Open Source Project Website. YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.

Length : 171

Ideally, your meta description should contain between 70 and 160 characters (spaces included).
Og Meta Properties This page does not take advantage of Og Properties. When people share or like your page, it is great to have good Og properties. Otherwise, they will just see a link to your website.

In case of Facebook or Twitter this is how you get started:

Facebook: https://developers.facebook.com/docs/sharing/webmasters

Twitter: https://dev.twitter.com/cards/getting-started
H1 H2 H3 H4 H5 H6
1 6 0 0 0 0
  • [H1] YSlow
  • [H2] Feature highlights
  • [H2] Availability
  • [H2] Web Performance Best Practices and Rules
  • [H2] Sample Screenshot
  • [H2] Frequently Asked Questions
  • [H2] Contact Us
Images We found 1 images on this web page.

Awesome! Most or all of your images have alt attributes.
Text/HTML Ratio Ratio : 31%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Good!
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 0 link(s) to files

Anchor Type Juice
Fork me on GitHub External Passing Juice
YSlow Internal Passing Juice
En Español External Passing Juice
Source External Passing Juice
Issues External Passing Juice
FAQ Internal Passing Juice
Help Internal Passing Juice
Mobile Internal Passing Juice
Smush.it™ External Passing Juice
JSLint External Passing Juice
Firefox External Passing Juice
Chrome External Passing Juice
Mobile/Bookmarklet Internal Passing Juice
Opera External Passing Juice
Safari Internal Passing Juice
Command Line (HAR) Internal Passing Juice
PhantomJS Internal Passing Juice
Node.js Server Internal Passing Juice
» View YSlow Ruleset Limitations Internal Passing Juice
Minimize HTTP Requests External Passing Juice
Use a Content Delivery Network External Passing Juice
Avoid empty src or href External Passing Juice
Add an Expires or a Cache-Control Header External Passing Juice
Gzip Components External Passing Juice
Put StyleSheets at the Top External Passing Juice
Put Scripts at the Bottom External Passing Juice
Avoid CSS Expressions External Passing Juice
Make JavaScript and CSS External External Passing Juice
Reduce DNS Lookups External Passing Juice
Minify JavaScript and CSS External Passing Juice
Avoid Redirects External Passing Juice
Remove Duplicate Scripts External Passing Juice
Configure ETags External Passing Juice
Make AJAX Cacheable External Passing Juice
Use GET for AJAX Requests External Passing Juice
Reduce the Number of DOM Elements External Passing Juice
No 404s External Passing Juice
Reduce Cookie Size External Passing Juice
Use Cookie-Free Domains for Components External Passing Juice
Avoid Filters External Passing Juice
Do Not Scale Images in HTML External Passing Juice
Make favicon.ico Small and Cacheable External Passing Juice
» Check out the YSlow Ruleset Matrix Internal Passing Juice
What platforms does YSlow run on? Internal Passing Juice
How does YSlow work? Internal Passing Juice
How are the grades computed? Internal Passing Juice
How do I add my CDN hostname to YSlow for Rule 2? Internal Passing Juice
What YSlow results are included in the YSlow beacon? Internal Passing Juice
See more... Internal Passing Juice
Exceptional Performance group External Passing Juice
Tweets by @yslow External Passing Juice
marcelduran External Passing Juice
orderedlist External Passing Juice

SEO Keywords

Keywords Cloud avoid how ruleset page css pages yslow performance rules web
Keywords Consistency
Keyword Content Title Description Headings
yslow 13
performance 9
web 6
pages 4
avoid 4


Url Domain : yslow.org
Length : 9
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language You have not specified a language.


Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 4
Warnings : 0
Email Privacy Great! No email address has been found as plain text!
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Excellent, your website doesn't use nested tables.
Perfect. No inline css has been found in HTML tags!
Great, your website has a few CSS files.
Perfect, your website has a few JavaScript files.
Perfect, your website takes advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Missing

Your website does not have an XML sitemap - to make it easier for search engines to find your pages it is wise to generate a sitemap.

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 efficiently.

Go here to know more on how to set this up: http://www.sitemaps.org/protocol.html

If you have a lot of pages (up to 500 pages is free) you can auto generate them here: https://www.xml-sitemaps.com
Robots.txt http://yslow.org/robots.txt

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

   Google Analytics

PageSpeed Insights