Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

dierolfsupply.com

Dierolf Supply - Home - Excalibur Water Treatment

Page Load Speed

915 ms in total

First Response

102 ms

Resources Loaded

575 ms

Page Rendered

238 ms

dierolfsupply.com screenshot

About Website

Visit dierolfsupply.com now to see the best up-to-date Dierolf Supply content and also check out these interesting facts you probably never knew about dierolfsupply.com

Visit dierolfsupply.com

Key Findings

We analyzed Dierolfsupply.com page load time and found that the first response time was 102 ms and then it took 813 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

dierolfsupply.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

dierolfsupply.com

102 ms

dierolfsupply.com

102 ms

style.css

27 ms

awdr_style.css

42 ms

jquery.min.js

58 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Dierolfsupply.com, 5% (1 request) were made to Google.com and 5% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (153 ms) belongs to the original domain Dierolfsupply.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 446.6 kB (65%)

Content Size

688.8 kB

After Optimization

242.2 kB

In fact, the total size of Dierolfsupply.com main page is 688.8 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. 50% of websites need less resources to load. Javascripts take 558.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 107.1 kB

  • Original 130.0 kB
  • After minification 129.5 kB
  • After compression 22.9 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 107.1 kB or 82% of the original size.

JavaScript Optimization

-61%

Potential reduce by 339.5 kB

  • Original 558.8 kB
  • After minification 558.8 kB
  • After compression 219.3 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 339.5 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (67%)

Requests Now

18

After Optimization

6

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dierolf Supply. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dierolfsupply.com accessibility score

96

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

Best Practices

dierolfsupply.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dierolfsupply.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Dierolfsupply.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 Dierolfsupply.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 Dierolf Supply. 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: