Access rcworld.us. Radio Control Hobby | Rc Rock Crawlers, Rc Drift, Rc Scale Accessories

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value1.153

1/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

rcworld.us

453 ms

css

58 ms

styles.css

59 ms

iselector.css

61 ms

flexslider.css

57 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Rcworld.us, 49% (56 requests) were made to Cdn3.bigcommerce.com and 39% (45 requests) were made to Cdn4.bigcommerce.com. The less responsive or slowest element that took the longest time to load (625 ms) relates to the external source Cdn3.bigcommerce.com.

Content Size

2.0 MB

After Optimization

1.2 MB

In fact, the total size of Rcworld.us main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 102.2 kB

Original 116.3 kB
After minification 95.2 kB
After compression 14.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 21.1 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 102.2 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 249 B

Original 1.0 MB
After minification 1.0 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Rc World images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 488.5 kB

Original 622.9 kB
After minification 467.3 kB
After compression 134.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 488.5 kB or 78% of the original size.

CSS Optimization

-82%

Potential reduce by 164.1 kB

Original 199.1 kB
After minification 150.6 kB
After compression 35.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Rcworld.us needs all CSS files to be minified and compressed as it can save up to 164.1 kB or 82% of the original size.

Requests Now

107

After Optimization

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rc World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rcworld.us can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rcworld.us main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

rcworld.us

Open Graph description is not detected on the main page of Rc World. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Radio Control Hobby | Rc Rock Crawlers, Rc Drift, Rc Scale Accessories - RC World

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rcworld.us

css

styles.css

iselector.css

flexslider.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rcworld.us

css

styles.css

iselector.css

flexslider.css

slide-show.css

styles-slide-show.css

social.css

styles.css

light.css

theme.css

grid.css

responsive.css

font-awesome.css

custom.css

product.attributes.css

ui.all.css

product.quickview.css

imodal.css

braintree.css

store.css

jquery.min.js

menudrop.js

iselector.js

jquery.flexslider.js

viewport.js

matchMedia.js

common.js

jquery.autobox.js

init.js

jquery.uniform.min.js

main.js

jquery-ui.min.js

jquery.validate.js

product.functions.js

product.attributes.js

quickview.js

quickview.initialise.js

jquery.form.js

imodal.js

index.js

braintree.js

index.js