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SEO Report for

January 12, 2020 2:38 AM
Desktop screen Desktop screenshot for

10 criteria passed
1 criteria to solve


Consider adding a robots.txt file in your web server's root directory.


• Category
Technology & Computing
• Online since
October 19, 2005 (explore Wayback Machine)
• Age
16 years, 7 months, 5 days
• Alexa Rank
#41.656, is in the world's top 50.000 websites!


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SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by DigiCert Inc has expired on March 14, 2021.
Title Tag - File extension library
Length: 44 (recommended: 10 to 70)
Meta Description
Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
Length: 142 (recommended: 50 to 160)
Google preview
Desktop Version - File extension library

Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.

Mobile Version

Favicon for - File extension library

Large computer file extension library with detailed explanation of each file type with links to download free or associated softwa...

Great, language/character encoding is specified: utf-8
URL Resolve
No robots.txt file was found on this page.
URL Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width, initial-scale=1


The owner has associated the following topics to the website.

The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

Computer file Confidence: 88% Arrow up

A computer file is a computer resource for recording data discretely in a computer storage device.

Just as words can be written to paper, so can information be written to a computer file.

File format Confidence: 78% Arrow up

A file format is a standard way that information is encoded for storage in a computer file.

It specifies how bits are used to encode information in a digital storage medium.

File formats may be either proprietary or free and may be either unpublished or open.

Filename extension Confidence: 78% Arrow up

A filename extension is an identifier specified as a suffix to the name of a computer file.

The extension indicates a characteristic of the file contents or its intended use.

A file extension is typically delimited from the filename with a full stop (period), but in some systems it is separated with spaces.

Library (computing) Confidence: 76% Arrow up

In computer science, a library is a collection of non-volatile resources used by computer programs, often to develop software.

These may include configuration data, documentation, help data, message templates, pre-written code and subroutines, classes, values or type specifications.

In IBM's OS/360 and its successors they are referred to as partitioned data sets.

Computer program Confidence: 75% Arrow up

A computer program is a collection of instructions that performs a specific task when executed by a computer.

A computer requires programs to function, and typically executes the program's instructions in a central processing unit.

WEBSITE SPEED website speed is fast. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time


This domain loads at the median speed of 1.2 seconds.

Speed Percentile

72% is faster than approximately 72 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.


This website is ranked #41.656 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Alexa data for

Daily visitors by country

  • daily visitors distribution - Total: 15 countries
  • Flag for IndiaIndia (23.7%)
  • Flag for PakistanPakistan (3.7%)
  • Flag for United States of AmericaUnited States of America (7.2%)
  • Flaf icon for other countryOthers (65.4%)

Traffic country ranks

Country Rank
Flag for MoroccoMorocco #16.650
Flag for Viet NamViet Nam #31.369
Flag for IndiaIndia #13.961
Flag for IndonesiaIndonesia #13.051
Flag for EgyptEgypt #15.445


Doctype HTML 4.01 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

How looks like on a mobile device such as an iPhone.

How looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 55% #f0f0f0
  • 18% #ffffff
  • 7% #a0d060
  • 3% #90c050
  • 2% #fffff0
  • 2% #f08010
  • 1% #80c030
  • 1% #f0fff0
  • 1% #ff7000
  • 1% #c0d0a0
  • 1% #fff0f0
  • 1% #e08000

Text/code ratio's text/code ratio is 14.08%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 14.08%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

Headings Arrow up

Great, we found headings on this page.

  • <H1> 1
  • <H2> 2
  • <H3> 4
  • <H4> 3
  • <H5> 0
  • <H6> 0
Top level heading - the world's largest file extension library
2nd level heading
Browse by extension type:
Browse file extensions alphabeticaly by first letter:
3rd level heading
Latest articles
File extension of the day
Popular file extensions
Recently updated file extensions
4th level heading
Recently added entries
Popular file extension searches
Popular topics
Alt attributes Arrow up

We found 37 images on this website.
Great, 0 ALT attributes are missing on your image tags.


This is an overview of your homepage shares on social networks.

You have a relatively high presence on social media, keep going!

The more people share your website, the more likely you will get links from others, which is a key point when it comes to improving your overall search engine rankings.

  • Facebook iconFacebook
  • Total Engagement 2.319
  • Likes 2.116
  • Shares 200
  • Comments 3
  • Pinterest iconPinterest 0
  • Linkedin iconLinkedin 0
  • Stumbleupon iconStumbleupon 0


Registration Date 10/19/2005 16 years, 7 months, 5 days ago
Last Modified 02/26/2018 4 years, 2 months, 25 days ago
Nameservers Arrow up
Host IP Address Country Flag for CzechiaCzechia Flag for CzechiaCzechia


Server map
  • Service Provider (ISP)
  • VSHosting s.r.o.
  • IP Address
  • Country
  • Flag for CzechiaCzechia
  • Region
  • Hlavni mesto Praha , Prague
  • Latitude and Longitude
  • 50.0755 : 14.4378