Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

losi.com

The leaders in RC car and truck innovation and design | Losi

Page Load Speed

3.6 sec in total

First Response

13 ms

Resources Loaded

1.4 sec

Page Rendered

2.1 sec

About Website

Click here to check amazing Losi content for United States. Otherwise, check out these important facts you probably never knew about losi.com

Losi has performance you can depend on. Losi RC cars, RC trucks, and RC buggies leverage innovative designs with scale realism perfect for racing with friends or competing.

Visit losi.com

Key Findings

We analyzed Losi.com page load time and found that the first response time was 13 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

losi.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value1.001

2/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

Network Requests Diagram

losi.com

13 ms

www.losi.com

212 ms

main.js

84 ms

select2.min.js

88 ms

jquery.zoom.min.js

73 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 70% of them (62 requests) were addressed to the original Losi.com, 5% (4 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Staticw2.yotpo.com. The less responsive or slowest element that took the longest time to load (431 ms) belongs to the original domain Losi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.4 kB (4%)

Content Size

5.3 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Losi.com main page is 5.3 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. Only a small number of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 90.0 kB

  • Original 113.8 kB
  • After minification 91.4 kB
  • After compression 23.8 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 22.4 kB, which is 20% 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 90.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 38.6 kB

  • Original 4.7 MB
  • After minification 4.7 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. Losi images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 73.0 kB

  • Original 454.8 kB
  • After minification 409.6 kB
  • After compression 381.8 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 73.0 kB or 16% of the original size.

CSS Optimization

-6%

Potential reduce by 5.8 kB

  • Original 89.1 kB
  • After minification 87.6 kB
  • After compression 83.3 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. Losi.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (48%)

Requests Now

73

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Losi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

losi.com accessibility score

83

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

losi.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

losi.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Losi.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Losi.com 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

Open Graph description is not detected on the main page of Losi. 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: