Access diodedynamics.com. Diode Dynamics Automotive LED Lighting

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value2,410 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

diodedynamics.com

69 ms

1146 ms

css

77 ms

jquery.min.js

82 ms

styles.css

142 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 84% of them (84 requests) were addressed to the original Diodedynamics.com, 3% (3 requests) were made to Static.olark.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Diodedynamics.com.

Content Size

2.3 MB

After Optimization

980.3 kB

In fact, the total size of Diodedynamics.com main page is 2.3 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. 65% of websites need less resources to load. Images take 827.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 139.3 kB

Original 160.8 kB
After minification 155.8 kB
After compression 21.5 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 139.3 kB or 87% of the original size.

Image Optimization

-19%

Potential reduce by 158.2 kB

Original 827.6 kB
After minification 669.5 kB

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. Obviously, Diode Dynamics needs image optimization as it can save up to 158.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 478.7 kB

Original 672.1 kB
After minification 490.5 kB
After compression 193.3 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 478.7 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 561.7 kB

Original 657.6 kB
After minification 509.0 kB
After compression 96.0 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. Diodedynamics.com needs all CSS files to be minified and compressed as it can save up to 561.7 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diode Dynamics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These items highlight common accessibility best practices.

High

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

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

High

Document uses plugins

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

EN
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diodedynamics.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 Diodedynamics.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

diodedynamics.com

Open Graph description is not detected on the main page of Diode Dynamics. 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

Diode Dynamics Automotive LED Lighting - Off Road, Bulbs, Headlights, and more

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

diodedynamics.com

css

jquery.min.js

styles.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

diodedynamics.com

css

jquery.min.js

styles.css

widgets.css

advancedreviews.css

aw_advancednewsletter.css

style.css

menu-creator-pro.css

jquery.sidr.light.css

catalog.css

like.css

prototype.js

ccard.js

validation.js

builder.js

effects.js

dragdrop.js

controls.js

slider.js

js.js

form.js

menu.js

translate.js

cookies.js

ajax-reviews.js

advancednewsletter.js

ezzoom.js

ajaxcart.js

configurable.js

product.js

calendar.js

calendar-setup.js

reward.js

jquery.min.js

prettyPhoto.css

responsive_menu.js

jquery.sidr.min.js

jquery.touchwipe.1.1.1.js

bundle.js

no-conflict.js

font-awesome-remixed.css

colours.css

jquery.prettyPhoto.min.js