Fix: Implemented Lazy Loading for Large Images #88
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (6)
frontend/src/components/ui/Landing.jsx (1)
47-70: Implement LazyLoadImage for hero images as well.The implementation of LazyLoadImage for the coffee cup image is correct and aligns with the PR objectives. However, consider applying the same lazy loading technique to the hero images for consistency and improved performance.
Apply LazyLoadImage to the hero images:
-<img src={heropic} alt="" className="w-2/4" /> +<LazyLoadImage + alt="Hero image" + effect="blur" + wrapperProps={{ + style: { transitionDelay: "1s" }, + }} + className="w-2/4" + src={heropic} +/>Apply this change to both hero image instances.
frontend/src/components/ui/ReviewCarousel.jsx (4)
1-4: LGTM! Consider grouping related imports.The addition of LazyLoadImage and its CSS is appropriate for implementing lazy loading. To improve code organization, consider grouping related imports together:
// React and hooks import { useState, useEffect } from "react"; // Third-party libraries import { MdStars, MdArrowBackIos, MdArrowForwardIos } from "react-icons/md"; import { LazyLoadImage } from 'react-lazy-load-image-component'; import 'react-lazy-load-image-component/src/effects/blur.css';This grouping enhances readability and maintainability.
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80-97: Good implementation of responsive behavior. Consider initializingcardsToShowbased on window width.The addition of
cardsToShowstate and theupdateCardsToShowfunction effectively handles responsive layout. The useEffect hook correctly manages the window resize event.To prevent a potential flash of incorrect layout on larger screens, consider initializing
cardsToShowbased on the initial window width:const [cardsToShow, setCardsToShow] = useState(() => window.innerWidth >= 768 ? 4 : 1 );This ensures the correct number of cards is displayed immediately on component mount.
123-135: Good implementation of lazy loading. Improve alt text and remove commented code.The LazyLoadImage component is correctly implemented with appropriate props. However, there are a few suggestions for improvement:
Use a more descriptive
alttext for better accessibility. Instead of${index}img, consider using${review.name}'s profile picture.Remove the commented-out
<img>tag if the new implementation is confirmed to work correctly. Keeping old code commented out can lead to confusion and clutter.Here's a suggested implementation:
<LazyLoadImage alt={`${review.name}'s profile picture`} effect="blur" className="w-20 h-20 rounded-full" wrapperProps={{ style: { transitionDelay: "1s" }, }} src={review.img} />
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1-186: Overall great implementation. Consider memoizing static data.The changes for lazy loading and responsive behavior are well-integrated into the existing component structure. These improvements should enhance performance and user experience, especially for users with slower internet connections.
To further optimize performance, consider memoizing the
reviewsarray if it's static:import { useMemo } from 'react'; // Inside the component const reviews = useMemo(() => [ // ... your reviews array ], []);This prevents unnecessary re-creation of the array on each render.
Additionally, if this component is used in multiple places or renders frequently, consider wrapping it with
React.memoto prevent unnecessary re-renders:import React, { memo } from 'react'; const ReviewCarousel = memo(() => { // ... component logic }); export default ReviewCarousel;These optimizations can help improve the overall performance of your application.
frontend/src/components/Pages/Boardgame.jsx (1)
31-38: Improve alt text for better accessibilityThe implementation of LazyLoadImage for the background image is good and will enhance performance. However, the alt text "bg" is not very descriptive. Consider using a more meaningful description for better accessibility.
Suggestion for improvement:
- alt={"bg"} + alt={"Board game collection background"}
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📒 Files selected for processing (4)
- frontend/package.json (1 hunks)
- frontend/src/components/Pages/Boardgame.jsx (1 hunks)
- frontend/src/components/ui/Landing.jsx (4 hunks)
- frontend/src/components/ui/ReviewCarousel.jsx (4 hunks)
🔇 Additional comments (9)
frontend/package.json (1)
26-26: Approved: Addition of react-lazy-load-image-component packageThe addition of the
react-lazy-load-image-componentpackage aligns well with the PR objective of implementing lazy loading for large images. This should improve the user experience, especially for those with slower internet connections.To ensure the package is suitable for the project, please run the following verification steps:
Consider the impact on the project's bundle size and ensure that the benefits of lazy loading outweigh any potential increase in initial load time.
frontend/src/components/ui/Landing.jsx (5)
6-7: LGTM: Appropriate imports for lazy loading.The added imports for
LazyLoadImage,trackWindowScroll, and the blur effect CSS are correct and necessary for implementing lazy loading of images.
9-9: LGTM: Function signature updated for HOC application.Removing
export defaultfrom the function declaration is correct, as it allows for the application of thetrackWindowScrollHOC at the end of the file.
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16-32: LGTM: Improved code formatting in useEffect hook.The reformatting of the useEffect hook enhances code readability without altering the animation logic. This change contributes to better code maintainability.
82-82: LGTM: Correct application of trackWindowScroll HOC.Wrapping the Landing component with trackWindowScroll is the correct approach for enabling lazy loading functionality. This change completes the implementation of lazy loading for images in this component.
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1-82: Overall: Good implementation of lazy loading for images.The changes successfully implement lazy loading for the coffee cup image, which aligns with the PR objectives. The code structure and formatting have been improved, enhancing readability and maintainability.
To further optimize performance and consistency, consider applying LazyLoadImage to the hero images as well. This would fully address the PR's goal of implementing lazy loading for large images across the component.
Great job on improving the user experience, especially for those with slower internet connections!
frontend/src/components/ui/ReviewCarousel.jsx (1)
60-60: Great optimization of state initialization!The use of
reviews.map(() => false)is a more elegant and maintainable way to initialize theshowMoreStatesarray. It directly ties the state to thereviewsarray, ensuring they stay in sync if the number of reviews changes.frontend/src/components/Pages/Boardgame.jsx (2)
12-13: LGTM: Proper implementation of LazyLoadImageThe addition of LazyLoadImage and its associated CSS for the blur effect is a good choice for implementing lazy loading. This will help improve the page's performance, especially for users with slower internet connections.
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1-242: Summary: Good progress on lazy loading implementationThe changes in this PR successfully implement lazy loading for the large background image, which aligns well with the objective of enhancing user experience, especially for those with slower internet connections. The use of a blurred placeholder during image loading is a nice touch.
To fully address the PR objectives and your question about implementing lazy loading for all large images:
- Consider extending the LazyLoadImage implementation to all board game images in this component.
- If this approach proves successful, it could be a good pattern to apply across the entire project for consistent performance improvements.
These changes represent a solid step towards optimizing image loading in the application. Great work!
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@tejasbenibagde resolve coderabit suggestions |
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@RamakrushnaBiswal CodeRabbit is suggesting to use the lazy loading for all the Images in the project. currently I'm using this on only large image files. I did ask you the question that if I should use this in each of the image in the program. If you'd like to I can do this. but please merge this PR first. |
RamakrushnaBiswal
merged commit e41beaf
into
RamakrushnaBiswal:main
RamakrushnaBiswal
added
enhancement
Description
Hello @RamakrushnaBiswal,
I implemented lazy loading for several large images to enhance user experience, especially on slower internet connections. Users will now see a blurred placeholder instead of a blank screen while the images load.
Related issue: #23
Question
Should I implement lazy loading for all large images throughout the project? I believe it could enhance user experience, especially on slower connections, by showing blurred placeholders until the images load.
Looking forward to your thoughts!
Summary by CodeRabbit
New Features
Boardgame,Landing, andReviewCarouselcomponents to utilize the new lazy loading functionality.Bug Fixes
Documentation