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Site Info - Pdfcompressor.com

Overview of web technologies used by Pdfcompressor.com.

Website Background

PDF Compressor – Compress PDF Files Online
Reduce PDF file size without losing quality. Free online PDF compressor maintains resolution (DPI), keeping your files printable and zoomable.

Description on Homepage

Top 1m among all websites

Popularity rank

JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript.

JavaScript

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

JavaScript

Express is a web framework for Node.js.

Express

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx

Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl.

Node.js

Ubuntu is a Linux distribution.

Ubuntu
used until recently

Hivelocity is a US-based web hosting provider. This includes the former brand Colohouse.

Hivelocity

Hetzner is a German web hosting provider.

Hetzner
used until recently
hosting info partly based on data from ipinfo.io, see details

Hivelocity is a US-based web hosting provider. This includes the former brand Colohouse.

Hivelocity

Hetzner is a German web hosting provider.

Hetzner
used until recently

Namecheap is a US-based domain registrar and web hosting company.

Namecheap

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

Let’s Encrypt

Matomo (formerly Piwik) is an open source web analytics program.

Matomo

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

Weak ETag

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

Persistent cookies with an expiration time between 1 month and 1 year.

Cookies expiring in months
used until recently

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

HttpOnly Cookies
used until recently

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies
used until recently

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

HTML5 is the fifth revision of the HTML standard.

HTML5

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

Scalable Vector Graphics (SVG) is an XML-based vector image format.

SVG

Commercial entities

.com

Canada
Germany
used until recently

English

 

 

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