HTML
HyperText Markup Language
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March 3 2025 |
HTML parsers
jsoup reached its latest release date, demonstrating ongoing development of the Java-based HTML parsing tool.
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November 29 2023 |
Accelerated Mobile Pages
Ghost announced the removal of AMP in a future update, citing reasons including advanced web development, Google no longer using it as a ranking factor, poor user experience, and decreased adoption.
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October 2023 |
Ogg formats in HTML5
Google announced plans to deprecate and remove Theora video codec support, with initial reduction in Chrome 120 and full removal planned for Chrome 123, citing low usage and security risks.
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October 31 2023 |
HTML parsers
HtmlUnit reached its latest release date, continuing development of the HTML parsing library.
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April 7 2023 |
HTML parsers
Beautiful Soup had its most recent release, updating the Python-based HTML parsing library.
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September 24 2022 |
MHTML
An example MHTML file snapshot was created, demonstrating the file format's metadata capturing process, including page title, source URL, and timestamp.
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July 2022 |
MHTML
Yandex Browser version 22.7.4.960 enabled default support for creating MHTML (multipart/related) files
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April 20 2022 |
Accelerated Mobile Pages
Brave Browser rolled out new features to automatically bypass AMP pages.
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April 20 2022 |
Accelerated Mobile Pages
DuckDuckGo announced automatic bypassing of AMP pages on their browser and Privacy Essentials browser extension.
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2021 |
Alt attribute
Google Lighthouse audit revealed that 27% of alt text attributes were empty, with most being non-decorative informational images, highlighting ongoing challenges in alt attribute implementation and web accessibility.
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November 2021 |
Accelerated Mobile Pages
Twitter updated its developer guidelines to announce discontinuation of support for AMP, with mobile apps for Android and iOS now loading non-AMP webpage versions.
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July 17 2021 |
HTML parsers
HTML Tidy had its latest release, marking a significant update to the HTML parsing tool.
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May 5 2021 |
Bootstrap
Bootstrap officially released version 5, introducing major changes including removing jQuery dependency, dropping Internet Explorer support, adding custom SVG icons, and implementing built-in dark mode support.
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April 2021 |
Accelerated Mobile Pages
Google removed AMP as an SEO criterion, replacing it with page loading speed and other 'page experience' metrics. Top Stories search results are no longer restricted to AMP pages, and AMP pages no longer have a distinguishing icon.
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April 2020 |
Accelerated Mobile Pages
AMP Stories were renamed to Web Stories in April, marking a rebranding of the storytelling format.
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2019 |
Accelerated Mobile Pages
At AMP Conf '19, tech lead Malte Ubl announced that AMP is now just AMP, not an acronym for Accelerated Mobile Pages, emphasizing its cross-device functionality.
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2019 |
Polymer
Google Allo web service was shut down, ending its use of the Polymer library.
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April 2019 |
MHTML
A security researcher published details about an XML external entity (XXE) vulnerability in MHT files, which could be automatically triggered when a user opens the file in Internet Explorer, potentially through email, instant messaging, or other communication vectors.
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2018 |
Accelerated Mobile Pages
Web Stories (previously called AMP Stories) were introduced as a mobile-focused format for delivering news and information in a tap-through story format.
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2018 |
Accelerated Mobile Pages
Google announced the AMP Email section of the AMP framework, enabling interactive AMP components to be included directly within emails. This innovation allows supported email clients to display dynamic content directly in the email interface, with fallback HTML available for unsupported clients.
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2018 |
MHTML
Firefox discontinued support for the Mozilla Archive Format add-on.
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2018 |
Polymer
Google Chrome team developed LitElement as part of the Polymer project, creating a lightweight framework for web components that can be used with any front-end framework or library.
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December 7 2018 |
Accelerated Mobile Pages
AMP announced their official WordPress plugin, enabling WordPress websites to include AMP-ready pages.
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September 2018 |
Accelerated Mobile Pages
Microsoft began rolling out its own Bing AMP viewer and AMP cache.
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September 2018 |
Accelerated Mobile Pages
Google began transitioning AMP to a more open governance model, creating committees with diverse stakeholders including publishers like The Washington Post and Axios, and companies such as Microsoft and Twitter.
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September 18 2018 |
Accelerated Mobile Pages
The AMP Project announced a transition to an open governance model and became part of the OpenJS Foundation, signaling a move towards greater community involvement and transparency.
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May 2 2018 |
Polymer
The Polymer team announced a strategic shift in development, moving away from two-way binding and template systems, and focusing on LitElement and one-way bindings.
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March 27 2018 |
XHTML
W3C retired the recommendations for XHTML 1.0, XHTML 1.1, HTML 4.0, HTML 4.01, and HTML5.
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February 2018 |
Accelerated Mobile Pages
Google implemented a requirement that AMP pages in search results must contain content equivalent to their non-AMP page counterparts, ensuring content consistency and reducing potential deceptive practices.
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January 18 2018 |
Bootstrap
Bootstrap 4 was finalized, completing the major version update with significant architectural and design changes.
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2017 |
Polymer
Google redesigned Google Earth using the Polymer library, marking a significant implementation of the library in a major Google service.
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November 16 2017 |
Accelerated Mobile Pages
Google announced a plan to prevent sites in search results from exploiting AMP to bait-and-switch users, addressing potential security and manipulation concerns.
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October 2017 |
MHTML
The MAFF add-on developer announced that the Mozilla Archive Format would no longer be supported in future versions of Firefox.
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October 2017 |
Ogg formats in HTML5
Microsoft began implementing support for Ogg, Vorbis, and Theora in Windows 10 and Microsoft Edge.
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September 2017 |
Accelerated Mobile Pages
Russian hackers exploited an AMP vulnerability to send phishing emails targeting investigative journalists critical of the Russian government, attempting to hack into their websites.
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August 22 2017 |
Polymer
The Polymer Summit was organized in Copenhagen, further supporting the library's ecosystem.
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August 10 2017 |
Bootstrap
First beta version of Bootstrap 4 was released, indicating significant progress in the framework's development.
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June 2017 |
Accelerated Mobile Pages
Twitter started linking to AMP pages from its iOS and Android apps.
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May 2017 |
Accelerated Mobile Pages
Google reported 900,000 web domains were publishing AMP pages with more than two billion AMP pages published globally.
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February 2017 |
Accelerated Mobile Pages
Adobe reported AMP pages accounted for 7% of all web traffic for top publishers in the United States.
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2016 |
Polymer
Continued market recognition and usage growth for the Polymer library, as tracked by BuiltWith.
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2016 |
Polymer
Google I/O website continued to use Polymer, further demonstrating the library's ongoing development and adoption.
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October 17 2016 |
Polymer
Google held the Polymer Summit in London, continuing to engage with the developer community.
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September 2016 |
Accelerated Mobile Pages
Microsoft announced support for AMP in the Bing apps for iOS and Android platforms.
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September 6 2016 |
Bootstrap
Otto suspended work on Bootstrap 3 to focus development efforts exclusively on Bootstrap 4.
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February 2016 |
Accelerated Mobile Pages
AMP pages began appearing in Google mobile search results after a technical preview period, marking the initial public rollout of the framework.
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2015 |
Polymer
Polymer 1.0 was released, considered the first 'production ready' version of the library, significantly improving performance and reducing load times by up to 7 times.
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2015 |
Polymer
Google I/O website was developed using Polymer, showcasing the library's capabilities in creating web applications.
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2015 |
Polymer
Polymer began gaining increased market recognition, with significant usage spikes documented by BuiltWith.
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October 7 2015 |
Accelerated Mobile Pages
Google first announced the Accelerated Mobile Pages (AMP) project as an open source HTML framework designed to improve mobile web browsing speed and compete with Facebook Instant Articles and Apple News.
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This contents of the box above is based on material from the Wikipedia articles Bootstrap (front-end framework), Ogg formats in HTML5, XHTML, MHTML, Comparison of HTML parsers, Accelerated Mobile Pages, Alt attribute & Polymer (library), which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.