SEO report of optimizing-compilers.com

Optimizing Compilers | An Introduction to the Theory of Optimizing ...

www.optimizing-compilers.com/

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


 Tasks

  • Avoid using deprecated HTML tags.
  • Try to make your site load faster.

 SEO

URL

Domain : www.optimizing-compilers.com/

Character length : 29

Title
Optimizing Compilers | An Introduction to the Theory of Optimizing Complers with performance measurements on POWER
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

type: website
title: Optimizing Compilers
description: An Introduction to the Theory of Optimizing Complers with performance measurements on POWER
url: http://www.optimizing-compilers.com/
site_name: Optimizing Compilers
image: https://s0.wp.com/i/blank.jpg
locale: en_US

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
There is robots.txt file.
https://optimizing-compilers.com/robots.txt
User-agentDisallowed for the search engines
*
  • /wp-admin/


 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
Optimizing Compilers | An Introduction to the Theory of Optimizing Complers with performance measurements on POWER

Character length : 114

Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 9%

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
310000
Heading structure in the source code
  • <H1> Optimizing Compilers
  • <H2> An Introduction to the Theory of Optimizing Complers with performance measurements on POWER
  • <H1> Book is available
  • <H1> Book announcement
Word cloud
  • book5
  • edition4
  • measurements4
  • power3
  • first3
  • optimizing3
  • compiler3
  • performance3
  • processor2
  • lth2
  • jonas2
  • uncategorized2
  • new2
  • clang2
  • august2
  • comment2
  • leave2
  • gcc2
  • skeppstedt@cs2
  • available2
  • amazon2
  • theory2
  • source2
  • compilers2
  • introduction2
Keyword matrix
wordtitledescriptionsheading
book
edition
measurements
power
first
optimizing
Two Word cloud
  • leave a comment2
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
5.70
Flesch Reading Ease
64.40
Coleman Liau Index
12.00
Automated Readability Index (ARI)
4.40
Dale–Chall Readability
7.20
SMOG Index
9.60
Spache Readibility
5.00
Number of letters
1485
Number of words
305
Number of sentences
52
Average words per sentences
6
Number of syllables
492
Syllables in words
491
Average syllables in words
1.61
Number of words in first three syllables
64
Percentage of word / syllables
20.98
Words not in Dale-Chall easy-word list
134
Words not in Spache easy-word list
86

 Technologies

Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with 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 not fast enough: 2.4 seconds have passed until the page started to load.
Loading time
11,210 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
19
Number of source domains
6
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • http://www.optimizing-compilers.com/.. /jquery.js?ver=1.12.4
  • http://www.optimizing-compilers.com/.. /jquery-migrate.min.js?ver=1.4.1
List of render blocking css files
  • https://fonts.googleapis.com/css?family=Source+Sans+Pro%3A300%2C400%2...
  • http://www.optimizing-compilers.com/.. /genericons.css?ver=3.1
  • http://www.optimizing-compilers.com/.. /style.css?ver=2013-07-18
  • http://www.optimizing-compilers.com/.. /social-icons.css?ver=20170506
  • http://www.optimizing-compilers.com/.. /jetpack.css?ver=6.2.1

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
  • http://www.optimizing-compilers.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
  • http://www.optimizing-compilers.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
  • http://www.optimizing-compilers.com/wp-content/plugins/jetpack/modules/photon/photon.js?ver=20130122
  • http://www.optimizing-compilers.com/wp-content/plugins/jetpack/modules/wpgroho.js?ver=4.7.5
  • http://www.optimizing-compilers.com/wp-content/themes/twentythirteen/js/functions.js?ver=20160717
  • http://www.optimizing-compilers.com/wp-includes/js/wp-embed.min.js?ver=4.7.5
File size of all javascript files combined
165.25KB
Javascript minifying
You can save 683B (38% 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.
  • http://www.optimizing-compilers.com/wp-content/plugins/jetpack/_inc/genericons/genericons/genericons.css?ver=3.1
  • http://www.optimizing-compilers.com/wp-content/themes/twentythirteen/style.css?ver=2013-07-18
  • http://www.optimizing-compilers.com/wp-content/plugins/jetpack/css/jetpack.css?ver=4.9
File size of all css files combined
124.26KB
CSS minifying
You can save 402B (17% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
15.82KB
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
7
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
http://www.optimizing-compilers.com/.. /cropped-cover1.jpgExpiry time is not specified

 Speed test – Images

File size of all images combined
85.43KB
Image optimisation
You can save 25.1KB (30% compression) by optimising the images below:

 Website security

IP
69.89.31.89
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
Warning! The website contains at least one unencrypted email address.

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 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H1 : Optimizing Compilers, ( 0px from top )
  • H2 : An Introduction to the Theory of Optimizing Complers with performance measurements on POWER, ( 78px from top )
  • H1 : Book is available , ( 163px from top )
  • H1 : Book announcement , ( 636px from top )

 Typos

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