TUMBLR.COM is on our misleading profile site list. This means that various pages across tumblr.com and its subdomains make it difficult for us to accurately tell you what this site is built with.
IPhone / Mobile Compatible Usage Statistics · Download List of All Websites using IPhone / Mobile Compatible
The website contains code that allows the page to support IPhone / Mobile Content.
Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Apple Mobile Web Clips Icon Usage Statistics · Download List of All Websites using Apple Mobile Web Clips Icon
This page contains an icon for iPhone, iPad and iTouch devices.
Jetpack Site Accelerator Usage Statistics · Download List of All Websites using Jetpack Site Accelerator
Contains content that may be hosted on the WordPress Grid Hosting CDN.
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
nginx Usage Statistics · Download List of All Websites using nginx
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
UTF-8 Usage Statistics
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
HTML5 DocType Usage Statistics
The DOCTYPE is a required preamble for HTML5 websites.
Windows 8 Pinning Usage Statistics
Windows 8 pinning functionality for websites.
Twitter Cards Usage Statistics
Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.
Open Graph Protocol Usage Statistics
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Cascading Style Sheets Usage Statistics
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
Web App Manifest Usage Statistics
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
Javascript Usage Statistics
JavaScript is a scripting language most often used for client-side web development.
Prefers Color Scheme Usage Statistics
Defines how a page looks based on the color scheme choosen by the user for their desktop.
HTML 5 Specific Tags Usage Statistics
This page contains tags that are specific to an HTML 5 implementation.
WAI-ARIA Usage Statistics
A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.
Content Security Policy Usage Statistics
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Report URI CSP Usage Statistics
Report-uri directive instructs the user agent to report attempts to violate the Content Security Policy.
Content Type Options Usage Statistics
Used to disable MIME-sniffing for a particular HTTP response.
X-XSS-Protection Usage Statistics
X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
X-Frame-Options Usage Statistics
The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.
Strict Transport Security Usage Statistics
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
Link to this page. This profile will be updated 22nd April 2025.
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