SEO report of bookshelf.com.mx

Redirected to bookshelf.vitalsource.com/

Bookshelf Online

bookshelf.vitalsource.com/

Error! The "meta description" is missing, the page has no summary description!

   

 Tasks

  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.
  • Use "H" tags.

 SEO

URL

Domain : bookshelf.vitalsource.com/

Character length : 26

Title
Bookshelf Online
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!

 Social

Social Engagement

Linkedin1

Facebook Share0

Facebook Comments0

 Content

Doctype
HTML 5
Encoding
Error! The character encoding setting is missing!
Language
We have found the language localisation: ”en”.
Title
Bookshelf Online

Character length : 16

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 0%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
000000

No "H" tags found

Heading structure in the source code
    Word cloud
      Keyword matrix
      wordtitledescriptionsheading
      404 Page
      The website has a 404 error page.
      Flash content
      Good! The website does not have any flash contents.
      Frame
      Good! The website does not use iFrame solutions.
      Images
      We found 0 images on this web page.

      Good! Every image has an alternative text attributes set on this website.

       Readability

      Flesch–Kincaid Grade Level
      6.40
      Flesch Reading Ease
      65.10
      Coleman Liau Index
      12.00
      Automated Readability Index (ARI)
      5.60
      Dale–Chall Readability
      8.60
      SMOG Index
      10.30
      Spache Readibility
      5.00
      Number of letters
      1029
      Number of words
      215
      Number of sentences
      24
      Average words per sentences
      9
      Number of syllables
      337
      Syllables in words
      331
      Average syllables in words
      1.57
      Number of words in first three syllables
      36
      Percentage of word / syllables
      16.74
      Words not in Dale-Chall easy-word list
      111
      Words not in Spache easy-word list
      45

       Technologies

      Mobile optimization
      This website is optimal for mobile devices!
      Detected applications
      Google AnalyticsAnalytics
      New RelicAnalytics
      ReactJavaScript Frameworks
      TweenMaxJavaScript Frameworks
      jQueryJavaScript Frameworks
      Deprecated HTML elements
      Good! No deprecated HTML tags are detected.
      Redirection (www / not www)
      Error! The web address is accessible with and without www!
      Deprecated HTML elements
      Good! No deprecated HTML tags are detected.
      Printability
      Suggestion! Unfortunately, no printer-friendly CSS found.
      Meta Tag (viewport tag, mobile devices)
      Error! The meta tag named viewport is missing.

       Speed test

      Server response time
      The server response time is fast enough.
      Loading time
      1,049 ms
      Table layout
      Good! No nested tables found.
      Number of HTTP resources
      46
      Number of source domains
      10
      Render blocking resources
      The elements below are blocking the “above the fold” rendering.
      List of render blocking javascript files
      • https://bookshelf.vitalsource.com/js/vendor-33db6f343c.min.js
      • https://jigsaw.vitalsource.com/.. /box.js?v=1529962413423
      • https://assignments.vitalsource.com/.. /assignments.js?v=1529962413423
      • https://flashcards.vitalsource.com/js/app.js?v=1529962413423
      • https://bookshelf.vitalsource.com/js/fraction-4d9f8475fb.min.js
      List of render blocking css files
      • https://bookshelf.vitalsource.com/styles/fraction-25da0489b1.min.css

       Speed test – Javascript

      Javascript
      Good! Just a few javascript files are detected on the website.
      • https://bookshelf.vitalsource.com/js/vendor-682004bc54.min.js
      • https://jigsaw.vitalsource.com/assets/v1/jigsaw/box.js?v=1496170276197
      • https://assignments.vitalsource.com/js/assignments.js?v=1496170276197
      • https://bookshelf.vitalsource.com/js/fraction-ae79db79c3.min.js
      File size of all javascript files combined
      4.41MB
      Javascript minifying
      You can save 5.6KB (55% compression) on the analysed URL by minifying the javascript files.

       Speed test – CSS

      CSS
      Good! Just a few CSS files are used on this website.
      File size of all css files combined
      868.89KB
      CSS minifying
      Great! The CSS elements are minified.

       Speed test – Compression

      Uncompressed size of the of the HTML
      29.86KB
      Gzip compression
      Error! By using Gzip you can save 13.7KB (66% compression) on your site.

       Speed test – Browser cache

      Number of static resources (image, JS, CSS)
      28
      Browser cache
      The browser cache is not set correctly for all elements.
      URLDuration
      https://jigsaw.vitalsource.com/.. /application-08fe8741aebd612b54f23c03debc...Expiry time is not specified
      https://jigsaw.vitalsource.com/.. /application-395e36e8b50840dbe9f754bd87c5...Expiry time is not specified
      https://jigsaw.vitalsource.com/.. /index-349f9f252ef3b6b8a436406f70dff305e3...Expiry time is not specified
      https://js-agent.newrelic.com/nr-spa-974.min.js2 hours
      https://www.google-analytics.com/analytics.js2 hours
      https://assignments.vitalsource.com/.. /assignments.js?v=15299624134234 hours
      https://bookshelf-dev.vitalsource.com/img/locales//en.png4 hours
      https://bookshelf.vitalsource.com/img/about.svg4 hours
      https://bookshelf.vitalsource.com/img/account.svg4 hours
      https://bookshelf.vitalsource.com/img/action_building_library.svg4 hours
      https://bookshelf.vitalsource.com/img/action_building_library_sm.svg4 hours
      https://bookshelf.vitalsource.com/img/apps_global_nav.svg4 hours
      https://bookshelf.vitalsource.com/img/circle_bookshelf_sm.svg4 hours
      https://bookshelf.vitalsource.com/img/circle_store_sm.svg4 hours
      https://bookshelf.vitalsource.com/img/circle_support_sm.svg4 hours
      https://bookshelf.vitalsource.com/img/diagonal_loader.svg4 hours
      https://bookshelf.vitalsource.com/img/logo_bookshelf.svg4 hours
      https://bookshelf.vitalsource.com/img/logo_bookshelf_dark.svg4 hours
      https://bookshelf.vitalsource.com/img/menu.svg4 hours
      https://bookshelf.vitalsource.com/img/mobile_x.svg4 hours
      https://bookshelf.vitalsource.com/img/search.svg4 hours
      https://bookshelf.vitalsource.com/img/vitalsource_white.svg4 hours
      https://bookshelf.vitalsource.com/img/watkins_welcome.svg4 hours
      https://bookshelf.vitalsource.com/img/x_gray.svg4 hours
      https://bookshelf.vitalsource.com/js/fraction-4d9f8475fb.min.js4 hours
      https://bookshelf.vitalsource.com/js/vendor-33db6f343c.min.js4 hours
      https://bookshelf.vitalsource.com/styles/fraction-25da0489b1.min.css4 hours

       Speed test – Images

      File size of all images combined
      72.80KB
      Image optimisation
      All images are optimized.

       Links

      We found a total of 0 different links.

       Website security

      IP
      198.183.167.120
      External hidden links
      Good! No hidden external links found
      Looking for eval()
      Good! No eval(bas64_decode()) scripts are found
      Checking for XSS vulnerability
      No XSS vulnerability found
      Email encryption
      Good! We have not found any unencrypted email addresses.

       Icons

      Favicon
      Good! The website uses favicon.

       Typos

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