Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dfna.info

Original True®Dual Smart Battery Isolator Kits for Automotive & Marine Applications

Page Load Speed

3.8 sec in total

First Response

219 ms

Resources Loaded

3.3 sec

Page Rendered

243 ms

dfna.info screenshot

About Website

Welcome to dfna.info homepage info - get ready to check Dfna best content for Philippines right away, or after learning these important things about dfna.info

The TRUE® dual battery isolator kits are sophisticated, voltage-sensitive relays with simple operation for those who appreciate "DIY" technology. Made in the USA with a Full Manufacturer's Warran...

Visit dfna.info

Key Findings

We analyzed Dfna.info page load time and found that the first response time was 219 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

dfna.info performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

dfna.info

219 ms

www.dfna.info

800 ms

font-awesome.min.css

71 ms

css

53 ms

woocommerce-pdf-frontend-css.css

182 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 72% of them (85 requests) were addressed to the original Dfna.info, 11% (13 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (946 ms) belongs to the original domain Dfna.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.6 kB (18%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Dfna.info main page is 1.6 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 807.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 107.2 kB

  • Original 131.5 kB
  • After minification 129.6 kB
  • After compression 24.3 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 107.2 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 28.7 kB

  • Original 807.8 kB
  • After minification 779.1 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. Dfna images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 146.8 kB

  • Original 585.1 kB
  • After minification 585.0 kB
  • After compression 438.3 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 146.8 kB or 25% of the original size.

CSS Optimization

-17%

Potential reduce by 11.9 kB

  • Original 70.2 kB
  • After minification 70.1 kB
  • After compression 58.3 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. Dfna.info needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 75 (74%)

Requests Now

101

After Optimization

26

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dfna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dfna.info accessibility score

89

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dfna.info best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

dfna.info SEO score

85

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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