SEO report of crypto-book.com
Crypto-Book
www.crypto-book.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.
SEO
URL
Domain : www.crypto-book.com/
Character length : 20
Title
Crypto-Book
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
No info found.
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Crypto-Book
Character length : 11
Good! The title’s length is between 10 and 70 characters.
Character length : 11
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 21%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Welcome to Crypto-Book!
- <H2> About
Word cloud
- crypto-book12
- yale6
- box5
- black5
- download4
- slides4
- pdf4
- talk4
- meeting4
- online3
- currently3
- development3
- university3
- software3
- nov3
- maheswaran2
- purposes2
- intended2
- setup2
- preserving2
- paper2
- all2
- hands2
- identities2
- privacy2
- poster2
- below2
- dissent2
- john2
- based2
- encryption2
- encrypted2
- identity2
- facebook2
- document2
- new2
- messages2
- crypto2
- send2
- public2
- check2
- under2
- research2
- key2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| crypto-book | |||
| yale | |||
| box | |||
| black | |||
| download | |||
| slides |
Two Word cloud
- crypto-book black3
- meeting talk2
- preserving online2
- under development2
- hands meeting2
- encrypted facebook2
Three Word cloud
- crypto-book black box3
- under development at yale2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Error! The website uses iFrame solutions. This type of contents are not indexed by Google.
Images
We found 1 images on this web page.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Readability
Flesch–Kincaid Grade Level
7.50
Flesch Reading Ease
57.70
Coleman Liau Index
12.00
Automated Readability Index (ARI)
6.40
Dale–Chall Readability
7.70
SMOG Index
10.40
Spache Readibility
5.00
Number of letters
1566
Number of words
316
Number of sentences
35
Average words per sentences
9
Number of syllables
523
Syllables in words
518
Average syllables in words
1.66
Number of words in first three syllables
55
Percentage of word / syllables
17.41
Words not in Dale-Chall easy-word list
146
Words not in Spache easy-word list
100
Technologies
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.
Table layout
Good! No nested tables found.
Number of HTTP resources
144
Number of source domains
26
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
List of render blocking css files
- http://www.crypto-book.com/assets/css/bootstrap.css
- http://www.crypto-book.com/assets/css/bootstrap-responsive.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
6.84MB
Javascript minifying
You can save 3.6KB (25% 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
2.64MB
CSS minifying
You can save 41KB (13% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.crypto-book.com/assets/css/bootstrap.css you can save 15.4KB (13% compression rate)
- By minifying https://s1-f.scribdassets.com/.. /chrome.css?1530827112 you can save 10.5KB (13% compression rate)
- By minifying https://s1-f.scribdassets.com/.. /chrome.css?1530827120 you can save 10.5KB (13% compression rate)
- By minifying http://www.crypto-book.com/assets/css/bootstrap-responsive.css you can save 4.7KB (22% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
531.02KB
Gzip compression
Error! By using Gzip you can save 106.4KB (85% compression) on your site.
- By compressing http://www.crypto-book.com/assets/css/bootstrap.css you can save 106.4KB (85% compression rate)
- By compressing http://www.crypto-book.com/assets/js/jquery.js you can save 58.5KB (64% compression rate)
- By compressing http://www.crypto-book.com/assets/css/bootstrap-responsive.css you can save 17.5KB (80% compression rate)
- By compressing http://www.crypto-book.com you can save 7.2KB (69% compression rate)
- By compressing https://s1-f.scribdassets.com/.. /spinner.svg?1530825700 you can save 1.8KB (59% compression rate)
- By compressing https://s2-f.scribdassets.com/.. /scribd_logo_horiz_small.svg?1530825700 you can save 1.6KB (53% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
67
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.crypto-book.com/assets/css/bootstrap-responsive.css | Expiry time is not specified |
| http://www.crypto-book.com/assets/css/bootstrap.css | Expiry time is not specified |
| http://www.crypto-book.com/assets/img/glyphicons-halflings.png | Expiry time is not specified |
| http://www.crypto-book.com/assets/js/jquery.js | Expiry time is not specified |
| http://www.crypto-book.com/email2.PNG | Expiry time is not specified |
| https://html1-f.scribdassets.com/.. /1-bde4bdc754.png | Expiry time is not specified |
| https://html1-f.scribdassets.com/.. /4-705ba068a7.png | Expiry time is not specified |
| https://html1-f.scribdassets.com/.. /4-705ba068a7.jsonp | Expiry time is not specified |
| https://html1-f.scribdassets.com/.. /5-76e8f1ae9a.jsonp | Expiry time is not specified |
| https://html2-f.scribdassets.com/.. /2-340e55b211.png | Expiry time is not specified |
| https://html2-f.scribdassets.com/.. /3-12fa8593d4.png | Expiry time is not specified |
| https://html2-f.scribdassets.com/.. /5-76e8f1ae9a.png | Expiry time is not specified |
| https://html2-f.scribdassets.com/.. /1-1aeef195f9.png | Expiry time is not specified |
| https://tag.bounceexchange.com/1766/i.js | 10 minutes |
| https://connect.facebook.net/en_US/sdk.js | 20 minutes |
| https://apis.google.com/js/platform.js?onload=googleOnLoad | 30 minutes |
| https://bat.bing.com/bat.js | 30 minutes |
| https://accounts.google.com/.. /iframerpc?action=checkOrigin&origin=http... | 60 minutes |
| https://ssl.google-analytics.com/ga.js | 2 hours |
Speed test – Images
File size of all images combined
451.12KB
Image optimisation
You can save 36.7KB (29% compression) by optimising the images below:
- By lossless compressing the https://image.slidesharecdn.com/.. /hotnets-slides-1-638.jpg?cb=1385079875 you can save 15.8KB (32%) data.
- By lossless compressing the https://image.slidesharecdn.com/.. /cryptobook-hotnets-1-638.jpg?cb=13826605... you can save 7.4KB (29%) data.
- By lossless compressing the https://image.slidesharecdn.com/.. /cryptobook-sosp-wip-1-638.jpg?cb=1383615... you can save 7.2KB (29%) data.
- By lossless compressing the https://image.slidesharecdn.com/.. /cryptobook-slides-1-638.jpg?cb=136301628... you can save 4.4KB (27%) data.
- By lossless compressing the https://image.slidesharecdn.com/.. /cryptobook-document-leakage-1-638.jpg?cb... you can save 1.6KB (17%) data.
- By lossless compressing the http://www.crypto-book.com/email2.PNG you can save 299B (29%) data.
Links
We found a total of 19 different links.
Internal links: 5
External links: 14
Internal links: 5
External links: 14
External links:
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| Crypto-Book | |
| identity based encryption (IBE) | |
| public key crypto | |
| Identity Based Encryption » | |
| Public Key Crypto » |
Website security
IP
162.253.125.192
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.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
rypto-book.com, cxrypto-book.com, xrypto-book.com, csrypto-book.com, srypto-book.com, crypto-book.com, rypto-book.com, cdrypto-book.com, drypto-book.com, cfrypto-book.com, frypto-book.com, cvrypto-book.com, vrypto-book.com, c rypto-book.com, rypto-book.com, cypto-book.com, creypto-book.com, ceypto-book.com, crdypto-book.com, cdypto-book.com, crfypto-book.com, cfypto-book.com, crgypto-book.com, cgypto-book.com, cr4,ypto-book.com, c4,ypto-book.com, crtypto-book.com, ctypto-book.com, cr5ypto-book.com, c5ypto-book.com, crpto-book.com, crytpto-book.com, crtpto-book.com, crygpto-book.com, crgpto-book.com, cryhpto-book.com, crhpto-book.com, cryjpto-book.com, crjpto-book.com, cryupto-book.com, crupto-book.com, cryto-book.com, crypoto-book.com, cryoto-book.com, cryplto-book.com, crylto-book.com, cryp0to-book.com, cry0to-book.com, cryp-to-book.com, cry-to-book.com, crypto-book.com, cryto-book.com, cryp_to-book.com, cry_to-book.com, crypo-book.com, cryptro-book.com, crypro-book.com, cryptfo-book.com, crypfo-book.com, cryptgo-book.com, crypgo-book.com, cryptho-book.com, crypho-book.com, cryptyo-book.com, crypyo-book.com, crypt5o-book.com, cryp5o-book.com, crypt6o-book.com, cryp6o-book.com, crypt-book.com, cryptoi-book.com, crypti-book.com, cryptok-book.com, cryptk-book.com, cryptol-book.com, cryptl-book.com, crypto-book.com, crypt-book.com, cryptop-book.com, cryptp-book.com, crypto9-book.com, crypt9-book.com, crypto0-book.com, crypt0-book.com, cryptobook.com, crypto-=book.com, crypto=book.com, crypto-_book.com, crypto_book.com, crypto-0book.com, crypto0book.com, crypto-+book.com, crypto+book.com, crypto-*book.com, crypto*book.com, crypto-9book.com, crypto9book.com, crypto-ook.com, crypto-bvook.com, crypto-vook.com, crypto-bfook.com, crypto-fook.com, crypto-bgook.com, crypto-gook.com, crypto-book.com, crypto-ook.com, crypto-bhook.com, crypto-hook.com, crypto-bnook.com, crypto-nook.com, crypto-b ook.com, crypto- ook.com, crypto-bok.com, crypto-boiok.com, crypto-biok.com, crypto-bokok.com, crypto-bkok.com, crypto-bolok.com, crypto-blok.com, crypto-book.com, crypto-bok.com, crypto-bopok.com, crypto-bpok.com, crypto-bo9ok.com, crypto-b9ok.com, crypto-bo0ok.com, crypto-b0ok.com, crypto-bok.com, crypto-booik.com, crypto-boik.com, crypto-bookk.com, crypto-bokk.com, crypto-boolk.com, crypto-bolk.com, crypto-book.com, crypto-bok.com, crypto-boopk.com, crypto-bopk.com, crypto-boo9k.com, crypto-bo9k.com, crypto-boo0k.com, crypto-bo0k.com, crypto-boo.com, crypto-booku.com, crypto-boou.com, crypto-bookj.com, crypto-booj.com, crypto-bookm.com, crypto-boom.com, crypto-bookl.com, crypto-bool.com, crypto-booko.com, crypto-booo.com
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