Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

deltacooling.com

Cooling Towers | Cooling Tower Manufacturer | Delta Cooling | Delta

Page Load Speed

1.2 sec in total

First Response

43 ms

Resources Loaded

819 ms

Page Rendered

377 ms

deltacooling.com screenshot

About Website

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

As the leading manufacturer of cooling towers in the United States, Delta's cooling towers come with an industry-leading 20 Year Warranty. Call 1.800.BUY.DELTA.

Visit deltacooling.com

Key Findings

We analyzed Deltacooling.com page load time and found that the first response time was 43 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

deltacooling.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.435

21/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

deltacooling.com

43 ms

deltacooling.com

285 ms

css

44 ms

style.css

16 ms

analytics.js

32 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 69% of them (31 requests) were addressed to the original Deltacooling.com, 7% (3 requests) were made to Google-analytics.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (403 ms) belongs to the original domain Deltacooling.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.7 kB (7%)

Content Size

1.6 MB

After Optimization

1.5 MB

In fact, the total size of Deltacooling.com 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. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 75.1 kB

  • Original 87.0 kB
  • After minification 58.2 kB
  • After compression 12.0 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. This page needs HTML code to be minified as it can gain 28.8 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 75.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.1 MB
  • After minification 1.1 MB

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. Delta Cooling images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 41.3 kB

  • Original 411.1 kB
  • After minification 411.1 kB
  • After compression 369.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 325 B

  • Original 25.0 kB
  • After minification 25.0 kB
  • After compression 24.7 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. Deltacooling.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (21%)

Requests Now

38

After Optimization

30

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Cooling. 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 as a result speed up the page load time.

Accessibility Review

deltacooling.com accessibility score

66

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

Form elements do not have associated labels

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

deltacooling.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

deltacooling.com SEO score

86

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deltacooling.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 Deltacooling.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 data is detected on the main page of Delta Cooling. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: