Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

dudadiesel.com

DudaDiesel - Biodiesel, Chemical & Solar Supplies, Alternative Energy Store

Page Load Speed

961 ms in total

First Response

119 ms

Resources Loaded

670 ms

Page Rendered

172 ms

dudadiesel.com screenshot

About Website

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

Duda promotes alternative energy with WVO biodiesel supplies, heat exchangers for SVO systems, solar water heaters, high grade chemicals, free informational articles, and...

Visit dudadiesel.com

Key Findings

We analyzed Dudadiesel.com page load time and found that the first response time was 119 ms and then it took 842 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

dudadiesel.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

dudadiesel.com

119 ms

www.dudadiesel.com

298 ms

style.css

73 ms

AC_RunActiveContent.js

76 ms

jquery.min.js

91 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 50% of them (18 requests) were addressed to the original Dudadiesel.com, 11% (4 requests) were made to Googleads.g.doubleclick.net and 11% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (298 ms) belongs to the original domain Dudadiesel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.0 kB (39%)

Content Size

146.9 kB

After Optimization

90.0 kB

In fact, the total size of Dudadiesel.com main page is 146.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 56.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 38.3 kB

  • Original 48.7 kB
  • After minification 43.9 kB
  • After compression 10.3 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 38.3 kB or 79% of the original size.

Image Optimization

-17%

Potential reduce by 9.4 kB

  • Original 56.2 kB
  • After minification 46.8 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, Duda Diesel needs image optimization as it can save up to 9.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 6.5 kB

  • Original 38.5 kB
  • After minification 35.6 kB
  • After compression 32.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.5 kB or 17% of the original size.

CSS Optimization

-76%

Potential reduce by 2.8 kB

  • Original 3.6 kB
  • After minification 3.0 kB
  • After compression 854 B

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. Dudadiesel.com needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (55%)

Requests Now

29

After Optimization

13

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duda Diesel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dudadiesel.com accessibility score

74

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

dudadiesel.com best practices score

50

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

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

dudadiesel.com SEO score

67

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

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 Dudadiesel.com 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 Dudadiesel.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 Duda Diesel. 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: