feat:optimized (SEO)#139
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@Shwetraj1 is attempting to deploy a commit to the djed-solidity Team on Vercel. A member of the Team first needs to authorize it. |
WalkthroughThe changes update the HTML head with SEO and deployment metadata, add deployment-scoped environment variables across five environment configurations, and inject these variables into the webpack build process via the build configuration. Changes
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Actionable comments posted: 0
🧹 Nitpick comments (3)
public/index.html (3)
12-13: Consider aligning description messaging (optional improvement).The
descriptionmeta tag andog:descriptionhave different messaging:
description: Emphasizes protocol stability and on-chain mechanismsog:description: Emphasizes official frontend and formal verificationBoth are accurate but convey slightly different value propositions. For consistency, consider aligning the messaging. However, this is a minor preference—shorter og:description for social media is a reasonable pattern.
Also applies to: 15-16
21-26: Consider adding twitter:site for brand attribution (optional).The Twitter card configuration is complete for basic functionality, but adding
twitter:site(e.g.,@DjedOfficial) would improve brand attribution when the page is shared on Twitter. This is optional but a recommended best practice.<meta name="twitter:site" content="@DjedOfficial">
4-51: Well-structured SEO and social metadata configuration.The head section is properly configured with canonical link, og:* tags, twitter:* tags, robots directive, and appropriate meta tags. The setup aligns with SEO best practices and will provide good social media previews.
Optional enhancements (nice-to-have):
- Add
og:image:altattribute for image accessibility:<meta property="og:image" content="%PUBLIC_URL%/%REACT_APP_LOGO_PATH%" /> <meta property="og:image:alt" content="Djed Stablecoin Protocol Logo" />- Consider adding structured data (JSON-LD) for rich snippets if you want enhanced search result previews.
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public/index.html(3 hunks)
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public/index.html (2)
6-6: Verify hard-coded domain strategy for multi-environment deployments.The canonical link, og:url, and twitter:url are hard-coded to
https://djed.one/. If this app is deployed to staging or test environments, these should reflect the actual deployment domain rather than always pointing to the production site. The canonical link pointing to djed.one may be intentional to consolidate SEO, but og:url and twitter:url should typically match the actual page URL for correct social media previews.Does the app deploy to multiple environments (staging, testing, production)? If so, consider making these URLs dynamic:
<!-- Instead of hard-coding, use environment variable or window.location --> <link rel="canonical" href="https://djed.one/" /> <!-- For og:url and twitter:url, consider dynamic URL based on current deployment --> <meta property="og:url" content="https://djed.one/" /> <meta name="twitter:url" content="https://djed.one/" />Alternatively, if these should always point to djed.one regardless of deployment (to consolidate signals), document this decision for future maintainers.
Also applies to: 18-18, 22-22
55-68: LGTM!The body structure is clean, properly configured for React mounting, and includes appropriate fallback for JavaScript-disabled browsers.
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Actionable comments posted: 3
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public/index.html(2 hunks)src/App.js(1 hunks)src/routes/protocol.jsx(1 hunks)
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public/index.html (1)
24-24: REACT_APP_LOGO_PATH is properly configured across all deployment environments.The environment variable is correctly defined in all env files (ethereum-classic.env, milkomeda.env, milkomeda-testnet.env, sepolia.env, mordor.env) and referenced at the three expected locations in public/index.html (lines 24, 31, 34 for og:image, twitter:image, and favicon). No action required.
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Actionable comments posted: 2
♻️ Duplicate comments (1)
src/routes/protocol.jsx (1)
34-34: Verify spacing consistency with environment variable values.If the "Milkomeda" prefix is retained for specific deployments, ensure proper spacing. The current concatenation lacks a space between "Milkomeda" and
process.env.REACT_APP_BC. Review theREACT_APP_BCvalues in each.envfile to determine if they include leading spaces or if an explicit space should be added in the template string.
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📒 Files selected for processing (8)
env/ethereum-classic.env(1 hunks)env/milkomeda-testnet.env(1 hunks)env/milkomeda.env(1 hunks)env/mordor.env(1 hunks)env/sepolia.env(1 hunks)public/index.html(2 hunks)src/App.js(1 hunks)src/routes/protocol.jsx(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- env/milkomeda.env
🚧 Files skipped from review as they are similar to previous changes (1)
- src/App.js
🔇 Additional comments (4)
env/sepolia.env (1)
4-4: LGTM!The deployment URL addition is consistent with the PR's SEO optimization goals and aligns with the updated metadata structure in
public/index.html.env/ethereum-classic.env (1)
4-4: LGTM!The deployment URL is correctly configured for the Ethereum Classic deployment and aligns with the SEO metadata updates.
env/mordor.env (1)
4-4: LGTM!The deployment URL addition is correct and consistent with the multi-deployment configuration pattern.
env/milkomeda-testnet.env (1)
4-4: LGTM!The deployment URL is correctly configured for the Milkomeda testnet deployment.
| <head> | ||
| <meta charset="utf-8" /> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | ||
| <meta name="theme-color" content="#000000" /> | ||
| <meta name="robots" content="index, follow" /> | ||
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| <!-- Canonical: deployment-scoped --> | ||
| <link rel="canonical" href="%REACT_APP_DEPLOYMENT_URL%" /> | ||
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| <!-- Primary SEO --> | ||
| <title>Djed – Stablecoin Protocol</title> | ||
| <meta name="description" | ||
| content="Official Djed frontend. Djed is a formally verified, decentralized crypto-backed stablecoin protocol." /> | ||
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| <!-- Open Graph --> | ||
| <meta property="og:type" content="website" /> | ||
| <meta property="og:title" content="Djed – Stablecoin Protocol" /> | ||
| <meta property="og:description" | ||
| content="Official Djed frontend enabling interaction with the Djed stablecoin protocol." /> | ||
| <meta property="og:url" content="%REACT_APP_DEPLOYMENT_URL%" /> | ||
| <meta property="og:image" content="%PUBLIC_URL%/%REACT_APP_LOGO_PATH%" /> | ||
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| <!-- Twitter --> | ||
| <meta name="twitter:card" content="summary_large_image" /> | ||
| <meta name="twitter:url" content="%REACT_APP_DEPLOYMENT_URL%" /> | ||
| <meta name="twitter:title" content="Djed – Stablecoin Protocol" /> | ||
| <meta name="twitter:description" content="Official Djed frontend." /> | ||
| <meta name="twitter:image" content="%PUBLIC_URL%/%REACT_APP_LOGO_PATH%" /> | ||
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| <!-- App identity --> | ||
| <link rel="icon" href="%PUBLIC_URL%/%REACT_APP_LOGO_PATH%" /> | ||
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| <!-- Fonts --> | ||
| <link rel="preconnect" href="https://fonts.googleapis.com" /> | ||
| <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin /> | ||
| <link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&display=swap" | ||
| rel="stylesheet" /> | ||
| <link href="https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300;400;600&display=swap" rel="stylesheet" /> | ||
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| <!-- PWA --> | ||
| <link rel="manifest" href="%PUBLIC_URL%/manifest.json" /> | ||
| </head> |
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Fix custom environment variable replacement in index.html during build.
The %REACT_APP_DEPLOYMENT_URL% and %REACT_APP_LOGO_PATH% placeholders in public/index.html will not be replaced during the build process. Create React App natively only replaces %PUBLIC_URL% in static HTML files. The current setup using env-cmd loads environment variables into the Node process but does not configure the build system to interpolate custom variables into the HTML template.
Configure html-webpack-plugin in craco.config.js to enable template variable interpolation:
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
webpack: {
configure: (webpackConfig) => {
// ... existing config ...
// Find and modify the HtmlWebpackPlugin instance
const htmlWebpackPlugin = webpackConfig.plugins.find(
(plugin) => plugin.constructor.name === 'HtmlWebpackPlugin'
);
if (htmlWebpackPlugin) {
htmlWebpackPlugin.options.templateParameters = (compilation, assets, tags, options) => ({
compilation,
webpackConfig: compilation.options,
htmlWebpackPlugin: {
tags,
files: assets,
options
},
PUBLIC_URL: process.env.PUBLIC_URL || '',
REACT_APP_DEPLOYMENT_URL: process.env.REACT_APP_DEPLOYMENT_URL || '',
REACT_APP_LOGO_PATH: process.env.REACT_APP_LOGO_PATH || ''
});
}
return webpackConfig;
}
}
};Then update public/index.html to use template syntax compatible with html-webpack-plugin (e.g., <%= htmlWebpackPlugin.options.REACT_APP_DEPLOYMENT_URL %>), or implement a post-build script to perform string replacement on the built index.html file using the environment variables.
🤖 Prompt for AI Agents
In public/index.html around lines 4-45, the custom placeholders
%REACT_APP_DEPLOYMENT_URL% and %REACT_APP_LOGO_PATH% will not be interpolated by
CRA during build; configure html-webpack-plugin in craco.config.js to inject
templateParameters that expose REACT_APP_DEPLOYMENT_URL and REACT_APP_LOGO_PATH
(falling back to empty strings) and then update public/index.html to use
html-webpack-plugin template syntax (e.g. reference the injected values via
htmlWebpackPlugin.options.<VAR_NAME>), or alternatively add a post-build
replacement step to substitute those placeholders in the built index.html using
the environment variables.
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Actionable comments posted: 2
♻️ Duplicate comments (3)
public/index.html (3)
10-11: Canonical URL will be undefined until craco.config.js is fixed.This canonical link depends on the
REACT_APP_DEPLOYMENT_URLtemplate variable being properly injected by the configuration incraco.config.js. Due to the property path mismatch identified in that file, this will currently output an empty or undefined value.Once the craco configuration is corrected, this line should work as intended.
29-33: Twitter metadata URLs depend on craco.config.js fix; path concatenation issue on line 32-33.Similar to the Open Graph tags, the Twitter
urlandimagemetadata depend on the template parameters being correctly injected. Additionally, lines 32-33 have the same path concatenation issue as line 25, which could produce double slashes in the image URL.Once the craco configuration is fixed, apply the same path normalization as suggested for the Open Graph image tag.
36-37: Favicon path concatenation may create double slashes.Line 37 has the same path concatenation issue: if
PUBLIC_URLends with/orREACT_APP_LOGO_PATHstarts with/, this will produce a URL with double slashes.Apply the same path normalization technique suggested for the og:image tag (line 25).
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public/index.html (2)
14-16: LGTM! Clear and descriptive SEO title and description.The primary title and description are well-crafted, clearly communicate the purpose of the application, and follow SEO best practices by being concise yet informative.
39-44: LGTM! Font preconnect optimization is properly configured.The preconnect links for Google Fonts are correctly set up with the
crossoriginattribute on the gstatic.com preconnect, which optimizes font loading performance.
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@Zahnentferner Please verify my PR |
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PR for Issue #138
UPDATE: to the new description
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