Tools & Wizards About Us

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dfe.com

Home - Dover Flexo Electronics, Inc. (DFE)

Page Load Speed

2.4 sec in total

First Response

168 ms

Resources Loaded

2 sec

Page Rendered

207 ms

About Website

Visit dfe.com now to see the best up-to-date DFE content for United States and also check out these interesting facts you probably never knew about dfe.com

DFE is a market-leading US manufacturer of tension controllers, load cells, amplifiers, indicators and brakes, backed by a 5 year warranty.

Visit dfe.com

Key Findings

We analyzed Dfe.com page load time and found that the first response time was 168 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dfe.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value42.6 s

0/100

10%

TBT (Total Blocking Time)

Value60,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value81.0 s

0/100

10%

Network Requests Diagram

index.html

168 ms

satelliteLib-a93ce404cd68d14ae58c98bfe5d859744517874d.js

61 ms

default.css

109 ms

default.js

76 ms

dpx.js

6 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 35% of them (31 requests) were addressed to the original Dfe.com, 22% (20 requests) were made to Um.simpli.fi and 4% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (554 ms) belongs to the original domain Dfe.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 441.2 kB (60%)

Content Size

737.3 kB

After Optimization

296.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dfe.com main page is 737.3 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. 35% of websites need less resources to load. Javascripts take 306.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 25.5 kB

  • Original 33.0 kB
  • After minification 30.9 kB
  • After compression 7.5 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 25.5 kB or 77% of the original size.

Image Optimization

-14%

Potential reduce by 21.1 kB

  • Original 148.7 kB
  • After minification 127.7 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, DFE needs image optimization as it can save up to 21.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 188.7 kB

  • Original 306.7 kB
  • After minification 306.4 kB
  • After compression 118.0 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 188.7 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 206.0 kB

  • Original 249.0 kB
  • After minification 248.1 kB
  • After compression 43.0 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. Dfe.com needs all CSS files to be minified and compressed as it can save up to 206.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (65%)

Requests Now

62

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DFE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dfe.com accessibility score

75

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

Image elements do not have [alt] attributes

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.

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

dfe.com 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

High

Page has valid source maps

SEO Factors

dfe.com SEO score

93

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dfe.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 Dfe.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

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