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[Templating & Views](/categories/templating) 4. / 5. semitexa/ssr ActiveSemitexa-module[Templating & Views](/categories/templating) semitexa/ssr ============ Semitexa SSR - Twig-based server rendering with components, layouts, assets, and deferred slots 2026.06.21.0352(1w ago)1124[1 issues](https://github.com/semitexa/semitexa-ssr/issues)7MITPHPPHP ^8.4 Since Dec 27Pushed 1w agoCompare [ Source](https://github.com/semitexa/semitexa-ssr)[ Packagist](https://packagist.org/packages/semitexa/ssr)[ RSS](/packages/semitexa-ssr/feed)WikiDiscussions master Synced today READMEChangelogDependencies (42)Versions (68)Used By (7) Semitexa SSR ============ [](#semitexa-ssr) Twig-based server-side rendering with components, layout slots, theme overrides, and locale-aware URL generation. Purpose ------- [](#purpose) Renders HTML responses using Twig. Provides a component system discovered via `#[AsComponent]`, layout slot composition via `#[AsLayoutSlot]`, theme override support for module templates, and locale-aware URL generation. Role in Semitexa ---------------- [](#role-in-semitexa) Depends on Twig, Locale, and Tenancy. Used by Mail, Platform WM, Platform User, Platform Settings, and Demo. Required for packages that render HTML pages. Key Features ------------ [](#key-features) - `#[AsComponent]` attribute for component discovery - `#[AsLayoutSlot]` for layout slot registration - `#[AsDataProvider]` and `#[AsTwigExtension]` for template extensions - `LayoutRenderer` for slot-based page composition - Theme override system (module templates overridable via `src/theme/`) - `UrlGenerator` with locale-aware routing - `ModuleTemplateRegistry` for per-module template discovery - Development hot-reload support - Automatic `robots.txt` fallback with Semitexa-specific crawler hints when the project does not provide a real file - Automatic `llms.txt` fallback for LLM-oriented crawl guidance when the project does not provide a real file Deferred SSE Safety ------------------- [](#deferred-sse-safety) - `SSR_DEFERRED_PERSISTENT_SSE=false` is the safe default. Deferred SSR streams final HTML blocks once and then closes the SSE connection. - `SSR_DEFERRED_PERSISTENT_SSE_REQUIRE_AUTH=true` adds a second guard for persistent mode. Even when persistent SSE is explicitly enabled, live reconnect-capable streams still require an authenticated session by default. - For public pages and demos, keep persistent SSE disabled unless you have a specific live-update use case and have capacity controls in place. Notes ----- [](#notes) SSR is required for HTML pages. JSON-only APIs do not need this package. Layout slots use handle-based scoping: `*` for global, layout frame name, or specific page handle. If a project does not provide `robots.txt` or `public/robots.txt`, SSR emits a minimal default file automatically. Set `ROBOTS_SITEMAP_URL` when you want the generated file to advertise a classic sitemap explicitly. SSR also exposes `/sitemap.json` as a crawler-oriented JSON route inventory and advertises it from the fallback `robots.txt`. If a project does not provide `llms.txt` or `public/llms.txt`, SSR emits a fallback `/llms.txt` document that points agents to `/sitemap.json`, `/robots.txt`, and Semitexa's page-document JSON conventions. When an SSR page route declares extra response formats via `#[AsPayload(produces: ...)]`, Semitexa renders `` tags for the non-HTML variants of the current payload DTO. This keeps the `` aligned with the actual route contract instead of hardcoding alternates in Twig. ### Health Score 47 — FairBetter than 93% of packages Maintenance78 Regular maintenance activity Popularity13 Limited adoption so far Community21 Small or concentrated contributor base Maturity67 Established project with proven stability Bus Factor1 Top contributor holds 54.2% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~3 days Total 61 Last Release 13d ago Major Versions 1.0.33 → 2026.04.03.12402026-04-03 ### Community Maintainers ![](https://www.gravatar.com/avatar/e94044da9f4c76cc5cd09ef0c693a68065787e10d0d18edfeedbef3573a9163a?d=identicon)[syntaxwanderer](/maintainers/syntaxwanderer) --- Top Contributors [![syntaxwanderer](https://avatars.githubusercontent.com/u/1311643?v=4)](https://github.com/syntaxwanderer "syntaxwanderer (123 commits)")[![needalicense](https://avatars.githubusercontent.com/u/13330467?v=4)](https://github.com/needalicense "needalicense (67 commits)")[![goosyboosy](https://avatars.githubusercontent.com/u/13351014?v=4)](https://github.com/goosyboosy "goosyboosy (35 commits)")[![tarashanych](https://avatars.githubusercontent.com/u/49571976?v=4)](https://github.com/tarashanych "tarashanych (2 commits)") --- Tags componentsdeferredfrontendlayoutsrenderingsemitexassrtwigtwigcomponentsfrontendSSRdeferredRenderinglayoutssemitexa ### Embed Badge ![Health badge](/badges/semitexa-ssr/health.svg) ``` [![Health](https://phpackages.com/badges/semitexa-ssr/health.svg)](https://phpackages.com/packages/semitexa-ssr) ``` ### Alternatives [symfony/ux-twig-component Twig components for Symfony 22018.6M355](/packages/symfony-ux-twig-component)[symfony/ux-live-component Live components for Symfony 1647.0M128](/packages/symfony-ux-live-component)[craftcms/cms Craft CMS 3.6k3.6M3.1k](/packages/craftcms-cms)[symfony/ux-toolkit A tool to easily create a design system in your Symfony app with customizable, well-crafted Twig components 16126.1k1](/packages/symfony-ux-toolkit)[mati365/ckeditor5-symfony CKEditor 5 integration for Symfony 262.6k](/packages/mati365-ckeditor5-symfony) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)