developerzen.com

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 : developerzen.com/?gi=4ae177677945

Character length : 33

Title

DeveloperZen

Description

The essence of Software Development …

Keywords (meta keywords)

SOFTWARE ENGINEERING, ENGINEERING MANAGEMENT, BIG DATA, DATA SCIENCE

Error! Using “meta keywords” is meaningless in a while.

Open Graph Protocol

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

title: DeveloperZen
url: https://developerzen.com/
image: https://cdn-images-1.medium.com/max/1200/1*Uws0y2pBZSsJsoMaHD2JqA.png
description: The essence of Software Development …
type: medium-com:collection
site_name: DeveloperZen

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://developerzen.com/robots.txt

User-agent	Disallowed for the search engines
*	/m/ /me/ /@me$ /@me/ ///edit

Social

Social Engagement

No info found.

Content

Doctype

HTML 5

Encoding

Perfect! The character encoding is set: UTF-8.

Language

Error! No language localization is found.

Title

DeveloperZen

Character length : 12

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 2%

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
1	1	7	0	0	0

Heading structure in the source code

<H1> DeveloperZen
<H2> The essence of Software Development …
<H3> Scaling Your Analytics Schema Using Events Grammar
<H3> Best Practices Writing Production-Grade PySpark Jobs
<H3> 5 Tips for Choosing Your Startup’s Technology Stack
<H3> Why I’ve Decided to Give up Control as My 2017 New Year Resolution
<H3> 5 Things I Learned About Managing an R&D Team
<H3> The Ultimate Github Atom Setup
<H3> Data Mining — Handling Missing Values the Database

Word cloud

kampf7
eran7
data4
i’ve4
technology4
developerzen4
aug3
writing3
pyspark3
analytics3
database3
values3
missing3
choosing3
new2
dec2
startup’s2
stack2
year2
decided2
give2
now2
github2
ultimate2
atom2
setup2
handling2
mining2
team2
r&d2
tips2
been2
years2
learned2
managing2
resolution2
control2
schema2
how2
events2
scaling2
production-grade2
best2
practices2
grammar2
using2
jobs2

Keyword matrix

word	title	descriptions	heading
kampf
eran
data
i’ve
technology
developerzen

Two Word cloud

eran kampf6
kampf aug3
data mining2
handling missing2
choosing your2
your startup’s2

Three Word cloud

eran kampf aug3
eran kampf dec2

404 Page

The website has no standard 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 8 images on this web page.

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

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 not fast enough: 0.41 seconds have passed until the page started to load.

Table layout

Good! No nested tables found.

Number of HTTP resources

Number of source domains

Render blocking resources

The elements below are blocking the “above the fold” rendering.
List of render blocking css files

https://glyph.medium.com/.. /m2.css
https://cdn-static-1.medium.com/.. /main-branding-base.hYiEpYs3x8GgQzREEhW49...

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

1.84MB

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

File size of all css files combined

502.58KB

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

121.80KB

Gzip compression

Your site uses compression.

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
https://collector-medium.lightstep.com/api/v0/reports	Expiry time is not specified
https://www.google-analytics.com/analytics.js	2 hours
https://glyph.medium.com/.. /m2.css	4 hours

Speed test – Images

File size of all images combined

620.77KB

Image optimisation

You can save 108KB (18% compression) by optimising the images below:

By lossless compressing the https://cdn-images-1.medium.com/.. /1*dmFyESBUHmoxyPOxDA5IlQ.jpeg you can save 33.2KB (18%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*d3-v-8IrgJJHaKefzo3eXA.jpeg you can save 16.6KB (18%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*q0FLnWXGGDsn2dNLRgj8Og.jpeg you can save 13.5KB (17%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*OJJqk2SbRnJgzP4a0kX6FQ.jpeg you can save 13.5KB (17%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*HK_p23UE8SUC1kxSXn5DyQ.jpeg you can save 9.1KB (21%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*W5E24gDO3P4PI1V-mpW1RQ.jpeg you can save 7.9KB (20%) data.
By lossless compressing the https://cdn-images-1.medium.com/.. /1*5gDY0BlAwMshZuuFSkzbJQ.jpeg you can save 7.1KB (16%) data.
By lossless compressing the https://cdn-images-1.medium.com/max/800/0*RRbs_8x4Y3iOqiP_.jpg you can save 6.5KB (18%) data.
By lossless compressing the https://cdn-images-1.medium.com/fit/c/72/72/0*v8BpiR61oW-Psfqp.jpeg you can save 654B (26%) data.

Links

We found a total of 26 different links.
Internal links: 22
External links: 4

External links:

Link text (anchor)	Link strength
https://twitter.com/ekampf
About Medium
Terms
Privacy

Internal links:

Link text (anchor)	Link strength
https://developerzen.com
DeveloperZen
https://developerzen.com/facebook.com/ekampf
Scaling Your Analytics Schema Using Events Grammar
Scaling Your Analytics Schema Using Events GrammarOne of the most important aspects of building your own analytics system is how you store the data and expose it for querying. This post…
https://developerzen.com/@ekampf
Eran Kampf
Best Practices Writing Production-Grade PySpark Jobs
Best Practices Writing Production-Grade PySpark JobsHow to Structure Your PySpark Job Repository and Code
5 Tips for Choosing Your Startup’s Technology Stack
5 Tips for Choosing Your Startup’s Technology StackHaving worked as a CTO and technology consultant to many startups I can tell you that choosing the initial technology is an important…
Why I’ve Decided to Give up Control as My 2017 New Year Resolution
Why I’ve Decided to Give up Control as My 2017 New Year ResolutionI’ve been running developerzen.com on WordPress for over a decade now. But I haven’t been writing there regularly for years now.
5 Things I Learned About Managing an R&D Team
5 Things I Learned About Managing an R&D TeamI made the first developer I was ever in charge of want to quit programming. That was roughly over 15 years ago. I’d like to think I’ve…
The Ultimate Github Atom Setup
The Ultimate Github Atom SetupA coders editor is his temple.
Data Mining — Handling Missing Values the Database
Data Mining — Handling Missing Values the DatabaseI’ve recently answered Predicting missing data values in a database on StackOverflow and thought it deserved a mention on DeveloperZen.
About DeveloperZen
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Website security

104.28.25.33

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.

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Icons

Favicon

Good! The website uses favicon.

Typos

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SEO report of developerzen.com