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SEO audit: www.historyoflead.tumblr.com

historyoflead.tumblr.com desktop preview
49 %
Update

Legend
OK
Error
Suggestion
Status
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Mobile devices

Mobile view
Tablet view
Mobile appearance
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Mobile optimisation
Apple icon
Meta Tag (viewport tag, mobile devices)
Flash content

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The History of Lead

www.historyoflead.tumblr.com/
A collaborative digital storytelling project by Stanford University's Graduate Program in Journalism based on “The Secret History of Lead ...

Domain / URL audit

URL
Domain : www.historyoflead.tumblr.com/
Length (characters) : 29
Alexa
Alexa does not have enough data about this website.
IP checking
The 66.6.43.21 ip address is not on the spam list.

Meta data

Keywords (meta keywords)
Excellent! The website does not use “meta keywords”. Using “meta keywords” is meaningless since September 2009.
Description (meta description)
A collaborative digital storytelling project by Stanford University's Graduate Program in Journalism based on “The Secret History of Lead” by Jamie Lincoln Kitman published in The Nation.

Length (characters) : 204

Suggestion! The length of the meta description should be between 70 and 160 characters.
Open Graph Protocol
Excellent! The OG (Open Graph) protocol is set on this website.

title: The History of Lead
url: http://historyoflead.tumblr.com/?og=1
description: A collaborative digital storytelling project by Stanford University's Graduate Program in Journalism...
type: tumblr-feed:tumblelog
image: http://assets.tumblr.com/images/default_avatar/pyramid_closed_128.png

Dublin Core
Error! The website does not use the Dublin Core schema.

SEO audit: Content analysis

Language
We have found the language localisation: ”en”.
Title
The History of Lead

Length (characters) : 19

Excellent! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 23%

Acceptable! The text / code ratio is between 15 and 25 percent.
Flash
Excellent! The website does not have any flash contents.
Frame
Error! The website uses iFrame solutions. This type of contents are not indexed by Google.
Keywords cloud
percent  knock  part  poisonous  chapter  research  lead  ethyl  new  into  public  car  sloan  known  oil  american  companies  more  plant  cars  been  all  company  even  faster  didn’t  high  product  gas  gasoline  charles  fuel  engine  stop  leaded  workers  deaths  gm’s  toxic  standard  poisoning  symptoms  kettering  health  first  found  chemical  ethanol  additive  pont  alcohol  midgely  thomas  country  wrote  industry  tel  later  motor  called 
Keywords consistency
Keyword Content Title Description (meta description) Headings (headings)
lead 32
tel 19
gas 15
midgely 14
poisoning 13
more 12
Keywords (2 words) Content Title Description (meta description) Headings (headings)
lead poisoning 8
thomas midgely 4
engine knock 3
from lead 3
leaded gas 2
their cars 2
Keywords (3 words) Content Title Description (meta description) Headings (headings)
from lead poisoning 3
with standard oil 2
Headings (headings)
H1H2H3H4H5H6
046000
H1 is missing
Heading structure in the source code
  • <H3> Chapter One: A Hidden History
  • <H2> “It is doubtful whether any part of the earth’s surface or any form of life remains uncontaminated by anthropogenic [man-made] lead.”
  • <H3> Chapter Two: The Problem With Lead
  • <H2> “It is now definitely established that alcohol can be blended with gasoline to produce a suitable motor fuel.”
  • <H3> Chapter 3: The Quest for Anti-Knock
  • <H2> “[TEL] is a colorless liquid of sweetish odor, very poisonous if absorbed through the skin, resulting in lead poisoning almost immediately.”
  • <H3> Chapter Four: Profit Over Poison
  • <H2> “The real high compression automobile is here at last! Ethyl gasoline has made it possible! Ride with Ethyl in a high compression motor and get the thrill of a lifetime.”
  • <H3> Chapter Five: Car Wars
  • <H3> Chapter Six: The Poisonings Begin
  • Expand
Images
We found 10 images on this web page.

Alternate attributes for the following 3 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

SEO audit: technology

Redirection (www / not www)
Error! The web address is accessible with and without www!
Favicon
Excellent! The website uses favicon.
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Deprecated HTML
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
Deprecated tagsOccurrences
<font>1
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
404 Page
The website has no standard 404 error page.
Checking the robots.txt file
The robots.txt file is missing!
Sitemap
Error! No sitemap found!
Google Analytics
The Google Analytics tracking code is missing.
Google Tag Manager
Suggestion! The website does not use the Google Tag Manager.
Email encryption
Excellent! We have not found any unencrypted email addresses.
49%