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 Generated on March 29 2016 17:36 PM

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SEO Content

Title Current limiting Resistor calculator for leds

Length : 45

Perfect, your title contains between 10 and 70 characters.
Description Current limiting Resistor calculator for leds

Length : 45

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
0 4 0 0 0 0
  • [H2] .:GURU
  • [H2] .:Single led
  • [H2] .:Leds in series
  • [H2] .:Leds in parallel
Images We found 17 images on this web page.

13 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 : 24%

Awesome! This page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no IFrames detected on this page.

URL Rewrite Good!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 2 links including 0 link(s) to files

Anchor Type Juice
The Guru Internal Passing Juice
Privacy policy Internal Passing Juice

SEO Keywords

Keywords Cloud current onmouseovershowinfo voltage power usually onmouseoutreturn href led leds volts
Keywords Consistency
Keyword Content Title Description Headings
led 40
voltage 33
current 23
power 18
leds 13


Url Domain : ledcalc.com
Length : 11
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.


Doctype HTML 4.01 Transitional
Encoding Perfect. Your declared charset is ISO-8859-1.
W3C Validity Errors : 263
Warnings : 17
Email Privacy Great! No email address has been found as plain text!
Deprecated HTML
Deprecated tags Occurrences
<font> 106
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these tags because they are now considered obsolete.
Speed Tips
Attention! Try to avoid nested tables in HTML.
Your website is using inline styles.
Great, your website has a few CSS files.
Your website has too many JS files (more than 6).
Your website does not take 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://ledcalc.com/robots.txt

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

   Google Analytics

PageSpeed Insights