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Rendering Telugu Correctly on the Web: Fonts, Shaping, and Layout

Displaying Telugu text on a website sounds simple: choose a Telugu font, set it in your CSS, and let the browser handle the rest. In practice, there are several layers of complexity that can cause Telugu to render incorrectly, appear as boxes, or break layout in unexpected ways. This guide covers everything a web developer needs to know.

The Foundation: Text Shaping

Unlike Latin text where each character maps directly to a glyph, Telugu rendering requires text shaping — a process that analyses sequences of Unicode code points and determines which glyphs to render and in what order. The shaping engine must handle reordering of pre-base matras, formation of conjunct clusters, and selection of the correct glyph variants.

All modern browsers use HarfBuzz as their text shaping engine, either directly or through platform APIs. HarfBuzz has excellent Telugu support and handles the full complexity of the script correctly. If your Telugu text looks wrong in a modern browser, the problem is almost always in your font or CSS setup, not in the browser's shaping engine.

Choosing a Web Font for Telugu

The most important decision is your font choice. For Telugu web typography, the best freely available options are:

• Noto Serif Telugu — Google's comprehensive pan-Unicode font family. Excellent coverage, good rendering quality, available on Google Fonts.
• Noto Sans Telugu — Sans-serif companion to Noto Serif. Clean and modern, suitable for UI text.
• Mandali — A clean, compact Telugu font optimised for body text on screens. Very readable at small sizes.
• Ramabhadra — A bold display font for headlines and decorative use.
• Tenali Ramakrishna — Good general-purpose Telugu font with a traditional feel.

Loading Telugu Web Fonts Correctly

Load your font with the correct Unicode range to avoid unnecessary downloads for users who are not viewing Telugu content:

The unicode-range descriptor tells the browser to only download this font when Telugu characters (U+0C00–U+0C7F) are present on the page. The font-display: swap prevents invisible text during the font load.

CSS font-family Stack

Always provide a fallback stack that includes system fonts capable of rendering Telugu. On modern Android and Windows systems, system fonts include Telugu coverage:

Gautami and Vani are the system Telugu fonts bundled with Windows. They are not beautiful by modern standards but ensure text is readable even before your web font loads.

Line Height and Spacing

Telugu glyphs are taller than Latin glyphs at the same font size, particularly because matras can extend above and below the base line. A line height that looks fine for Latin text will cause Telugu lines to collide. Use a minimum line-height of 1.75 for Telugu body text, and preferably 1.85–2.0 for comfortable reading.

Cross-Browser Testing

While HarfBuzz handles Telugu correctly in all modern browsers, older Android devices (pre-2019) may use platform text rendering with varying quality. Test your Telugu content on:

• Chrome on Windows 10/11
• Chrome on Android (recent and 2–3 year old devices)
• Safari on iOS
• Firefox on Linux (which may use a different font stack)

If you are targeting a Telugu-speaking audience, Android is the dominant platform. Prioritise your testing time there.