Dr. Leif Singer – Coding, People, Product.
leif.me/
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URL
Domain : leif.me/
Character length : 8
Title
Dr. Leif Singer – Coding, People, Product.
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.
title: Dr. Leif Singer
description: Coding, People, Product.
image: https://s0.wp.com/i/blank.jpg
type: website
url: https://leif.me/
site_name: Dr. Leif Singer
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://leif.me/robots.txt
https://leif.me/robots.txt
User-agent | Disallowed for the search engines |
---|---|
* |
|
Twitterbot |
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Social Engagement
No info found.
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Dr. Leif Singer – Coding, People, Product.
Character length : 48
Good! The title’s length is between 10 and 70 characters.
Character length : 48
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 11%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
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
H1 | H2 | H3 | H4 | H5 | H6 |
---|---|---|---|---|---|
19 | 1 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Dr. Leif Singer
- <H1> Self-determination Theory: Understanding Human Motivation for Fun and Profit
- <H1> On the Diffusion of Innovations: How New Ideas Spread
- <H1> Working Together Through Computers: 6 Recommendations
- <H1> Fragmented and Overloaded: Challenges in Developer Collaboration
- <H1> New Habits: 9 Tactics That Worked For Me
- <H1> More Than Just Coding: A Study on Supportive Channels and Activities in Software Development
- <H1> Open Source Collaboration Practices in Commercial Projects
- <H1> From Playing The Piano to Algorithms You Can Trust
- <H1> Nudging Novices: Five Persuasive Patterns
- <H1> How Software Developers Use Twitter
- <H1> ICSE 2013: Four Days of San Francisco
- <H1> Dissertation Published
- <H1> On Testing Culture in GitHub Projects
- <H1> Mutual Assessment in the Social Programmer Ecosystem
- <H1> Backbone.js and AngularJS at HannoverJS
- <H1> A Collection of Notable Git Resources
- <H1> Have git show what changed after pulling
- <H1> Using Apache2 as a reverse proxy for a Play! application
- <H2> Don’t miss any new blog posts:
Word cloud
- software14
- developers12
- how9
- new9
- tools8
- days6
- sites6
- create6
- github5
- play5
- projects5
- practices5
- some5
- blog4
- after4
- myself4
- git4
- users4
- people4
- social4
- challenges4
- work4
- them4
- research4
- engineering3
- collaborate3
- just3
- post3
- san3
- often3
- problems3
- ecosystem3
- making3
- found3
- using3
- now3
- programmer3
- few3
- francisco3
- local3
- working3
- i’ve3
- most3
- project3
- human3
- colleagues3
- twitter3
- four3
- testing3
- development3
- again2
- persuasive2
- cope2
- coding2
- culture2
- five2
- coordinate2
- phd2
- course2
- teams2
Keyword matrix
word | title | descriptions | heading |
---|---|---|---|
software | |||
developers | |||
how | |||
new | |||
tools | |||
days |
Two Word cloud
- have git2
- software development2
- think about2
- coordinate with2
- software developers2
- developers use2
Three Word cloud
- developers use many2
- have git show2
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 18 images on this web page.
Alternate attributes for the following 18 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 18 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
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- https://i0.wp.com/.. /diffusion-of-innovations-how-new-ideas-s...
- https://i1.wp.com/.. /developer-channels-recommendations-heade...
- https://i2.wp.com/.. /channel_challenges.jpg?fit=560%2C140&...
- https://i0.wp.com/.. /habits-header.jpg?fit=560%2C140&ssl=...
- https://i1.wp.com/.. /more-than-coding-header.jpg?fit=560%2C13...
- https://i0.wp.com/.. /oss-practices-header.jpg?fit=560%2C140&a...
- https://i1.wp.com/.. /play-it-again-header.jpg?fit=560%2C140&a...
- https://i2.wp.com/.. /nudge-header-1.jpg?fit=560%2C140&ssl...
- https://i2.wp.com/.. /twitter-header.jpg?fit=560%2C140&ssl...
- https://i0.wp.com/.. /sf-header.jpg?fit=560%2C140&ssl=1
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- https://i2.wp.com/.. /ght-header.jpg?fit=560%2C140&ssl=1
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- https://i1.wp.com/.. /gitpull-header.jpg?fit=560%2C140&ssl...
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Flesch–Kincaid Grade Level
8.20
Flesch Reading Ease
54.90
Coleman Liau Index
12.00
Automated Readability Index (ARI)
7.40
Dale–Chall Readability
6.20
SMOG Index
11.30
Spache Readibility
5.00
Number of letters
6367
Number of words
1271
Number of sentences
121
Average words per sentences
11
Number of syllables
2123
Syllables in words
2172
Average syllables in words
1.67
Number of words in first three syllables
239
Percentage of word / syllables
18.80
Words not in Dale-Chall easy-word list
465
Words not in Spache easy-word list
363
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version 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.
Server response time
The server response time is fast enough.
Table layout
Good! No nested tables found.
Number of HTTP resources
59
Number of source domains
14
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /jquery.js?ver=1.12.4
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /jquery-migrate.min.js?ver=1.4.1
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /style.css?ver=1519055580
- https://fonts.googleapis.com/css?family=Rubik%3A400%2C500%2C700%2C900...
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /font-awesome.css?ver=20151022
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /style.css?ver=4.9.4
- https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /jetpack.css?ver=5.8
- https://leif.me/?custom-css=fa8588436d
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
530.21KB
Javascript minifying
You can save 1.6KB (44% compression) on the analysed URL by minifying the javascript files.
CSS
Good! Just a few CSS files are used on this website.
- https://leif.me/wp-content/cache/wpfc-minified/87a3589c4e0eb764285104527f3bc3f2/1485128705index.css
File size of all css files combined
211.77KB
CSS minifying
You can save 5.7KB (27% compression) on the analysed URL by minifying the CSS files.
- By minifying https://94xd213ur0icvxo-zippykid.netdna-ssl.com/.. /style.css?ver=4.9.4 you can save 2.6KB (24% compression rate)
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- By minifying https://downloads.mailchimp.com/.. /modal-slidein.css you can save 1.3KB (40% compression rate)
- By minifying https://downloads.mailchimp.com/.. /banner.css you can save 281B (28% compression rate)
- By minifying https://downloads.mailchimp.com/.. /layout-1.css you can save 117B (31% compression rate)
Uncompressed size of the of the HTML
80.24KB
Gzip compression
Error! By using Gzip you can save 80.6KB (63% compression) on your site.
- By compressing https://downloads.mailchimp.com/js/signup-forms/popup/embed.js you can save 80.6KB (63% compression rate)
- By compressing https://downloads.mailchimp.com/js/signup-forms/popup/1.0/popup.js you can save 64.6KB (69% compression rate)
- By compressing https://downloads.mailchimp.com/.. /common.css you can save 4.4KB (69% compression rate)
- By compressing https://secure.gaug.es/track.js you can save 2.5KB (67% compression rate)
- By compressing https://downloads.mailchimp.com/.. /modal-slidein.css you can save 2.2KB (66% compression rate)
- By compressing https://downloads.mailchimp.com/.. /banner.css you can save 578B (57% compression rate)
- By compressing https://downloads.mailchimp.com/.. /layout-1.css you can save 160B (43% compression rate)
Number of static resources (image, JS, CSS)
49
Browser cache
The browser cache is not set correctly for all elements.
URL | Duration |
---|---|
https://downloads.mailchimp.com/.. /banner.css | Expiry time is not specified |
https://downloads.mailchimp.com/.. /common.css | Expiry time is not specified |
https://downloads.mailchimp.com/.. /layout-1.css | Expiry time is not specified |
https://downloads.mailchimp.com/.. /modal-slidein.css | Expiry time is not specified |
https://downloads.mailchimp.com/js/signup-forms/popup/1.0/popup.js | Expiry time is not specified |
https://downloads.mailchimp.com/js/signup-forms/popup/embed.js | Expiry time is not specified |
https://leif.me/jquery.js | Expiry time is not specified |
https://secure.gaug.es/track.js | Expiry time is not specified |
https://leif.me/?custom-css=fa8588436d | 5 minutes |
File size of all images combined
874.72KB
Image optimisation
You can save 68.6KB (14% compression) by optimising the images below:
- By lossless compressing the https://i2.wp.com/.. /ecosystem-header.jpg?resize=1024%2C256&s... you can save 14.3KB (13%) data.
- By lossless compressing the https://i0.wp.com/.. /duhnen-500066603-1512645992534-e15130768... you can save 10.7KB (16%) data.
- By lossless compressing the https://i2.wp.com/.. /ght-header.jpg?resize=1024%2C256&ssl=1 you can save 7.8KB (12%) data.
- By lossless compressing the https://i0.wp.com/.. /backbone-header.jpg?resize=1024%2C256&ss... you can save 7.3KB (15%) data.
- By lossless compressing the https://i2.wp.com/.. /nudge-header-1.jpg?resize=1024%2C256&ssl... you can save 6.8KB (13%) data.
- By lossless compressing the https://i0.wp.com/.. /diffusion-of-innovations-how-new-ideas-s... you can save 6.7KB (18%) data.
- By lossless compressing the https://i1.wp.com/.. /developer-channels-recommendations-heade... you can save 6KB (18%) data.
- By lossless compressing the https://i1.wp.com/.. /play-it-again-header.jpg?resize=1024%2C2... you can save 4.6KB (14%) data.
- By lossless compressing the https://i2.wp.com/.. /channel_challenges.jpg?resize=1024%2C256... you can save 4.2KB (14%) data.
We found a total of 44 different links.
Internal links: 42
External links: 2
Internal links: 42
External links: 2
External links:
Link text (anchor) | Link strength |
---|---|
Proudly powered by WordPress | |
Automattic |
Internal links:
IP
209.15.20.238
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
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Favicon
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