HTML5 specialistsSince 2016

Feature-rich experiences built with HTML5

There is no version called HTML5 anymore – the W3C retired that spec in 2021 and HTML is now a versionless living standard maintained by WHATWG, updated continuously. Businesses that want to hire HTML5 developers actually need semantic, accessible, standards-based front-end work, which is what Website Pandas builds. Free consultation first, written quote within 48 hours.

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Cross-platformRuns everywhere

18+ moAvg. client relationship

164+Projects delivered

↑

0.6s

Load time

★

Lighthouse

P HTML5 app performance

Live

Load time

0.6s

▼ fast

Uptime

99.9%

last 90d

Test coverage

92%

▲

Deploys

240

this year

RequestsErrors

Top itemMetricResultΔ

API latencyp95120ms▲

Bundle sizegzip-38%▲

LighthouseScore98▲

By the numbers

The impact we deliver

124+

Websites launched

164+

Projects delivered

18+ mo

Avg. client relationship

2016

Since

How we add value

There Is No ‘HTML5’ Anymore, And That Is Exactly the Point

The W3C’s HTML5 recommendation was superseded in 2021, when the W3C agreed to adopt the WHATWG HTML Living Standard as the single authoritative specification going forward. HTML has no version numbers to chase since – it is continuously updated, and the current spec already covers native video and audio, WebSockets, Web Storage, the Geolocation API and WAI-ARIA semantics. A page that still markets a fixed ‘HTML5’ skillset is selling a spec that stopped being versioned five years ago.

Living-Standard Aware

Built to the current WHATWG HTML spec, not a version frozen in a 2014 recommendation.

Semantic and Accessible

WAI-ARIA-conformant markup that search engines and screen readers both parse cleanly.

Framework-Ready

Standards-based front ends that plug into React, Angular or a CMS without rework later.

Why HTML5

HTML5 powers the modern, app-like web

From video and real-time features to offline storage and geolocation, HTML5 enables rich experiences without heavy plugins. We build clean, semantic, high-performance HTML5.

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Why Website Pandas

Modern, semantic HTML5 — fast, accessible, app-like experiences that work everywhere.

2016

Founded

164+

Projects delivered

18+ mo

Avg. client relationship

What we do

HTML5 Development Services We Offer

The services below cover the reasons teams still search to hire HTML5 developers today: modern semantic front ends, legacy Flash migrations, and cross-browser interactive builds. Each project is scoped to the platform already in place, and every engagement starts with a written quote within 48 hours.

HTML5 Development Services for Apps

We configure unique software development solutions while creating HTML5-based enterprise-class web app solutions. We build structured layouts with multimedia plugins, flexible media querying techniques, and HTML coding app features.

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HTML5 Development Services for Web

We develop websites using HTML5, CSS3, and JavaScript for a seamless experience across devices. We also create strategies for fluid grids, layouts, and media queries powered by frameworks like Backbone.js.

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HTML5 Consulting Services

Our consultants offer full-cycle and high-level consulting solutions and optimal HTML5 development services. We also offer efficient cross-platform solution support and modern, optimal web development solutions for your business.

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HTML5 Mobile Apps Development

Our expertise lies in creating cutting-edge and revolutionary mobile apps and experiences using several HTML5-based frameworks, including AngularJS, PhoneGap, Backbone.js, ReactJS, Ember.js, Node.js, SproutCore, and Sencha.

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Migration to HTML5 Services

We can migrate from legacy platforms like Flash to HTML5 and modify code from Flash to create dynamic, responsive HTML5 apps and website architectures, benefitting from the native features of HTML5.

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Cross-Platform Engineering in HTML5

We develop mobile apps on various platforms through standardized web technologies such as HTML5, CSS3, and JavaScript. We use Ember.js, AngularJS, and PhoneGap for a smooth multi-screen experience.

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HTML5 Software Integration and Connectivity

We use HTML5 apps to link existing legacy systems to new ones. The API layer enables smooth communication. Linking of HTML5 with .NET and C# allows software to connect seamlessly.

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HTML5 UI Design and Prototyping

Our user interface design and prototyping services use advanced web technology in HTML5. We create user interfaces that are user-friendly and visually appealing and work well across various platforms and devices.

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HTML5 Widgets Development

Our HTML5-powered solutions, for instance developer widgets and cloud programming services, offer practical, tailored experiences that enable effective user interaction and integration across different platforms or devices.

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HTML5 Games Development

We develop desktop or mobile-responsive games and integrate HTML5 audio and video. These include poker, fantasy sports, blackjack, solitaire, and others. We develop new UI/UX or enhance existing software.

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HTML5 Support and Maintenance

Through our maintenance and support services, we ensure your application stays user-friendly and bug-free. Our dependable and experienced developers upgrade the software for improved performance.

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Planning an HTML5 project?

Get a free technical consultation and a clear plan.

Get my free audit ↗

The fundamentals

Why Opt for HTML5 Development?

HTML5 enhances website structure, semantics, media, and SEO for organic traffic.

Video and Audio Integration

HTML5 offers baked-in video and audio elements, eliminating the need for distracting plugins like Flash and offering playback that’s seamless across any user’s operating system.

Semantics

Using HTML5’s semantic elements can enhance the organization and accessibility of your web content, positively impacting your search ranking and user experience.

Web Accessibility Initiative

HTML5 offers Web Accessibility Initiative attributes like WAI-ARIA, which make web applications easier to use and more accessible to all.

WebSockets

With HTML5, this offers real-time communication between a client and a server, enabling faster, more compact data exchanges for web applications that demand it.

Web Storage

The web storage APIs enable developers to store data on user’s devices, improving the performance of web applications that frequently run searches.

Geolocation API

This API integrated into HTML5 allows you to use your users’ location data and develop location-based services and more personalized experiences for your web apps.

Cleaner Code

HTML5 drives cleaner, more semantic code structures and makes your codebase more maintainable and easier to understand and optimize for search engines.

Better Website Interactions

Enable better HTML5 website interactions with Canvas animations and touch events that allow the users a more immersive and intuitive experience rather than static content.

SEO-Friendly

HTML5’s semantic markup language supports search engine visibility, so your websites show up higher in search results, making your life a bit more comfortable.

Why Website Pandas

What makes us different

Lighthouse

Average performance score across our HTML5 builds.

18+ mo

Avg. relationship

Clients stay because the numbers keep climbing, quarter after quarter.

100%

You own it

Your accounts, data and history stay yours — no hostage situations.

2016

Since

Category-tested playbooks built across 164+ projects.

164+

Projects

Shipped across web, commerce, apps and campaigns.

48h

Response

Senior strategists — not junior account reps — reply within 48 hours.

“HTML5 is the backbone of the modern web. Used well — semantic, accessible, fast — it delivers app-like experiences that work everywhere, and we build to that standard.”

Ankur Goyal ✔ Verified

Founder & CEO, Website Pandas

How we work

Our HTML5 Development Process

Our strong process ensures that your HTML5 application is built for scale.

Project Discovery

Our thorough exploration of the project goals, requirements, and target audience serves as the foundation of all our HTML5 projects.

Wireframing and Prototyping

Our visual and interactive blueprints ensure that the project is refined step by step to ensure all deliverables are understood and approached strategically.

HTML/CSS Coding

A proper, clean, and effective translation of design into HTML and CSS ensures the best coding is done as per the project requirements, focusing on quality.

Cross-Browser Compatibility Testing

Through rigorous testing across browsers, we ensure the continuity of the project no matter the platform. This ensures all issues are addressed and tackled.

Launch and Deployment

Our high-quality plan and approach ensure that the launch and deployment of finalized HTML5 projects are smooth and fast to ensure on-time delivery.

Post-Launch Support

This proper approach to our HTML5 projects involves support after launching to guarantee fast resolutions to any issues even after the project has been launched.

No black boxes

What’s included in your build

Everything that ships with your project — built, tested and documented.

HTML5 build

Modern and semantic.

Performance

Fast and light.

Accessibility

WAI-ARIA compliant.

Integrations

Connected to your stack.

Cross-platform

Runs everywhere.

SEO structure

Built to rank.

Documentation

Clear handover.

Support

Ongoing care.

You own the code

Full ownership.

Real results, real builds

Results that speak for themselves

A few of our favourite launches — every number tied to a real build.

0.8s

Load time

SaaS site rebuild

A ground-up rebuild cut load time by 62% and lifted trial signups 28%.

Read case study →

+34%

Conversion rate

eCommerce replatform

Migrating to a custom store lifted conversion 34% and average order value 12%.

Read case study →

61→98

Lighthouse score

Brand & site refresh

A redesign took performance from 61 to 98 and halved bounce rate.

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Let’s build something exceptional together

Get a free consultation and a clear, no-pressure plan.

Get my free audit ↗

Trusted across industries - from marinas and water treatment to gyms, vacation rentals and legal

What our clients say

Trusted by founders & product teams

★★★★★

“They rebuilt our site and it has never been faster — and our team can finally update it ourselves without breaking anything.”

Priya NairProduct Lead

★★★★★

“Our new store looks incredible and actually converts. The migration was seamless — zero downtime, no lost data.”

Daniel RosseCommerce Owner

★★★★★

“Our brand finally feels premium. They were endlessly patient through revisions until the logo was exactly right.”

Sofia MartelFounder

★★★★★

“A rock-solid WordPress build with zero downtime since launch. They feel like an extension of our team, not a vendor.”

James TurnerOperations Director

Why an agency — and why us

DIY vs. a typical agency vs. us

	In-house / DIY	Typical agency	Website Pandas
Dedicated senior designers & developers	Stretched thin	Often junior	✓
Custom build — no templates or page-builders	Templates	Sometimes	✓
Performance, SEO & accessibility audited pre-launch	✕	Rarely	✓
You own the code, design & source files	✓	Sometimes	✓
Transparent scope & no long lock-in	—	✕	✓
Ongoing support & maintenance after launch	DIY	Add-on	✓

How we work together

What every engagement includes

No black boxes and no lock-in — just senior people, a clear plan, and full ownership for you.

Every HTML5 Development engagement

✓ Dedicated senior strategist on your account
✓ A custom strategy built around your goals
✓ Live dashboard + transparent monthly reporting
✓ Continuous, revenue-focused optimisation
✓ No long-term lock-in — we earn your business
✓ You own all accounts, data & work

Get my free HTML5 Development audit ↗

We start with a free audit and a clear plan — you only move forward if the opportunity is real.

✓164+ projects delivered
✓ $103M+ revenue driven
✓ Building since 2016
✓ Free audit before you commit

Industry experience

Built for your industry

A decade of category data across industries means we start with what already converts in your space.

eCommerce & Retail

Conversion-first stores that scale.

Healthcare

Compliant, trust-building sites.

Legal

Authority sites that win cases.

Real Estate

Listings and lead capture that convert.

Home Services

Booking-ready sites for local demand.

Restaurants

Menus, ordering and reservations.

B2B & SaaS

Product sites that drive pipeline.

View all industries

See every sector we serve →

Ready to build something exceptional?

Get a free consultation and a clear plan for your project.

Get my free audit ↗

Questions, answered

HTML5 Development FAQs

Is HTML5 Still a Real Thing to Hire Developers for in 2026? +

Not as a version-the W3C retired the HTML5 recommendation in 2021 and HTML is now a single, versionless living standard maintained by WHATWG. Teams that search to hire HTML5 developers are really looking for modern, standards-based front-end work, which is exactly what Website Pandas delivers.

What Is the Difference Between HTML and the Old HTML5 Spec? +

HTML5 was a fixed, numbered W3C recommendation; the current HTML Living Standard, maintained by WHATEG since the 2021 supersession, has no version number and updates continuously. Website Pandas builds against the current living standard rather than a specification that stopped changing over a decade ago.

Can Website Pandas Migrates an Old Flash Site to Modern HTML? +

Yes – Flash reached end-of-life in December 2020, and Website Pandas rebuilds legacy Flash sites and apps as standards-based HTML, CSS and JavaScript, replacing plugin-dependent video, audio and interactivity with native browser features that run on every current device without a plugin.

Does Website Pandas Build HTML5 Games and Interactive Apps? +

Yes – canvas-based games, interactive widgets and audio and video experiences are built using native HTML APIs rather than plugins, so they run in any current browser without Flash or a separate download. Website Pandas has shipped this kind of work across desktop and mobile browsers.

How Do You Handle Accessibility on a Modern HTML Build? +

Semantic HTML elements and WAI-ARIA attributes are built in from the start, not added after launch as a fix, so screen readers and assistive technology can parse the page correctly. Website Pandas treats accessibility as a build requirement on every front-end project, not an optional add-on.

Can I Hire aa Dedicated HTML Developer for an Ongoing Project? +

Yes – Website Pandas assigns a dedicated senior developer to an ongoing engagement rather than rotating staff between projects, with regular demos and a shared project board so progress stays visible throughout the build, not just at the moment of delivery.

Does Website Pandas Sign an NDA +

Yes – Website Pandas signs a strict NDA before any design file, codebase or architecture discussion begins, and every client keeps full ownership of the code and repository the project produces, with no ongoing dependency on Website Pandas to access or move it afterward.

What Does Front-End HTML Development Cost? +

Pricing depends on scope-page count, interactivity, accessibility depth and whether a framework such as React or Angular sits on top all move the estimate. Website Pandas scopes each project individually and returns a written quote within 48 hours of a free consultation.

From the studio