Tools & Wizards About Us
leathalperformance.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

leathalperformance.com

Mustang Parts | Buy Ford Mustang Performance Parts & Accessories from a Leading Mustang Performance Shop - Lethal Performance

Page Load Speed

4.2 sec in total

First Response

45 ms

Resources Loaded

2.9 sec

Page Rendered

1.3 sec

leathalperformance.com screenshot

About Website

Click here to check amazing Leathal Performance content. Otherwise, check out these important facts you probably never knew about leathalperformance.com

Buy Mustang parts online! At Lethal Performance, we carry performance parts for your GT, GT500, GT350, V6, Ecoboost and SVT Cobra Mustang! Whether you want a better 1/4 mile time or a planted weekend ...

Visit leathalperformance.com

Key Findings

We analyzed Leathalperformance.com page load time and found that the first response time was 45 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

leathalperformance.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value7,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

leathalperformance.com

45 ms

www.lethalperformance.com

187 ms

www.lethalperformance.com

562 ms

jquery.min.js

93 ms

styles.css

183 ms

Our browser made a total of 187 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Leathalperformance.com, 42% (78 requests) were made to Lethalperformance.com and 24% (45 requests) were made to Fcf3kb0b.cdn.imgeng.in. The less responsive or slowest element that took the longest time to load (878 ms) relates to the external source Lethalperformance.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.4 kB (8%)

Content Size

4.4 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leathalperformance.com main page is 4.4 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 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 164.0 kB

  • Original 197.5 kB
  • After minification 196.3 kB
  • After compression 33.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 164.0 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 161.9 kB

  • Original 3.2 MB
  • After minification 3.0 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. Leathal Performance images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.1 kB

  • Original 683.1 kB
  • After minification 683.1 kB
  • After compression 681.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 2.4 kB

  • Original 307.4 kB
  • After minification 307.4 kB
  • After compression 305.0 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. Leathalperformance.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 72 (48%)

Requests Now

151

After Optimization

79

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leathal Performance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

leathalperformance.com

leathalperformance.com

45 ms

www.lethalperformance.com

www.lethalperformance.com

187 ms

www.lethalperformance.com

www.lethalperformance.com

562 ms

jquery.min.js

jquery.min.js

93 ms

styles.css

styles.css

183 ms

downloads.css

downloads.css

266 ms

qquoteadv.css

qquoteadv.css

271 ms

skin-min.css

skin-min.css

268 ms

elasticsearch.css

elasticsearch.css

269 ms

main4P.min.css

main4P.min.css

373 ms

app-min.css

app-min.css

269 ms

custom1.min.css

custom1.min.css

464 ms

social.css

social.css

356 ms

owl.carousel-min.css

owl.carousel-min.css

358 ms

responsive-tabs-min.css

responsive-tabs-min.css

358 ms

animate-min.css

animate-min.css

359 ms

error-styling-min02AF3.css

error-styling-min02AF3.css

445 ms

prototype-min.js

prototype-min.js

539 ms

ccard-min.js

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443 ms

validation-min.js

validation-min.js

448 ms

effects-min.js

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460 ms

controls-min.js

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533 ms

slider-min.js

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532 ms

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536 ms

form-min.js

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554 ms

translate-min.js

translate-min.js

555 ms

cookies-min.js

cookies-min.js

621 ms

namespace-min.js

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621 ms

modernizr.custom.min.js

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625 ms

selectivizr-min.js

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626 ms

matchMedia-min.js

matchMedia-min.js

636 ms

matchMedia.addListener-min.js

matchMedia.addListener-min.js

637 ms

enquire-min.js

enquire-min.js

708 ms

app-min2.js

app-min2.js

710 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

714 ms

jquery.cycle2.swipe.min.js

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716 ms

slideshow-min.js

slideshow-min.js

725 ms

imagesloaded-min.js

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724 ms

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66 ms

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80 ms

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100 ms

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99 ms

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100 ms

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47 ms

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135 ms

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126 ms

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50 ms

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65 ms

styles-2024.min.css

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800 ms

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698 ms

minicart-min.js

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541 ms

downloads.js

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551 ms

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549 ms

modernizr-2.8.3.min.js

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623 ms

plugins-min.js

plugins-min.js

639 ms

owl.carousel-min.js

owl.carousel-min.js

553 ms

responsiveTabs-min.js

responsiveTabs-min.js

555 ms

jquery.tabs-min.js

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554 ms

main-min.js

main-min.js

551 ms

jquery.flexslider-min.js

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584 ms

gtmpromotion.js

gtmpromotion.js

538 ms

affirm.js

affirm.js

127 ms

analytics.js

analytics.js

36 ms

gtm.js

gtm.js

94 ms

pro.min.css

pro.min.css

51 ms

pro-v4-shims.min.css

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114 ms

pro-v5-font-face.min.css

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127 ms

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127 ms

bundle.tracing.replay.debug.min.js

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33 ms

j.php

j.php

154 ms

logo.png

logo.png

141 ms

middle-right-header-logo.png

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142 ms

884-sa-seal.gif

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174 ms

Whipple.png

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139 ms

Kooks.png

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442 ms

FIC.png

FIC.png

444 ms

CVFab.png

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McLeod.png

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878 ms

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451 ms

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658 ms

croppedsmallyoutubelogo.png

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Affirm.jpg

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744 ms

payments.png

payments.png

744 ms

lethalperformance.png

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144 ms

date_frontpage.jpg

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137 ms

shoemaker_frontpage.jpg

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169 ms

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168 ms

frontpage_affirm.png

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606 ms

frontpage_loyalty.png

frontpage_loyalty.png

170 ms

frontpage_route.png

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171 ms

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146 ms

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168 ms

carbon_fiber_new_bumper_vents_3_1.png

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170 ms

carbon_fiber_new_s650_license_plate_3.png

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171 ms

photo_1718113740514.jpg

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193 ms

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171 ms

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171 ms

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172 ms

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171 ms

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435 ms

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172 ms

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173 ms

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443 ms

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443 ms

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190 ms

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217 ms

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434 ms

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442 ms

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480 ms

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524 ms

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522 ms

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521 ms

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522 ms

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544 ms

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601 ms

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548 ms

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549 ms

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642 ms

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131 ms

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402 ms

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403 ms

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651 ms

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712 ms

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714 ms

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19 ms

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884.css

51 ms

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510 ms

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510 ms

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Accessibility Review

leathalperformance.com accessibility score

93

Accessibility Issues

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.

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

leathalperformance.com best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

leathalperformance.com SEO score

91

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

High

Tap targets are not sized appropriately

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 Leathalperformance.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 Leathalperformance.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

leathalperformance.com

Open Graph data is detected on the main page of Leathal Performance. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: