Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

Page Load Speed

881 ms in total

First Response

70 ms

Resources Loaded

574 ms

Page Rendered

237 ms

delmarva.com screenshot

About Website

Welcome to delmarva.com homepage info - get ready to check Delmarva best content for United States right away, or after learning these important things about delmarva.com

Delmarva Power is a regulated electric and gas utility serving more than 506,000 customers in Delaware and the rest of the Delmarva Peninsula and about 126,000 natural gas delivery customers in northe...

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Key Findings

We analyzed Delmarva.com page load time and found that the first response time was 70 ms and then it took 811 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

delmarva.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value15,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.288

42/100

15%

TTI (Time to Interactive)

Value36.6 s

0/100

10%

Network Requests Diagram

delmarva.com

70 ms

www.delmarva.com

93 ms

ektron.javascript.ashx

52 ms

ektron.stylesheet.ashx

42 ms

supersized.css

25 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 93% of them (52 requests) were addressed to the original Delmarva.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (157 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.0 kB (21%)

Content Size

798.8 kB

After Optimization

628.9 kB

In fact, the total size of Delmarva.com main page is 798.8 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. 45% of websites need less resources to load. Images take 630.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 40.7 kB

  • Original 52.2 kB
  • After minification 48.9 kB
  • After compression 11.5 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 40.7 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 48.1 kB

  • Original 630.9 kB
  • After minification 582.8 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. Delmarva images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 80.2 kB

  • Original 114.3 kB
  • After minification 105.1 kB
  • After compression 34.1 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 80.2 kB or 70% of the original size.

CSS Optimization

-66%

Potential reduce by 900 B

  • Original 1.4 kB
  • After minification 1.2 kB
  • After compression 467 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. Delmarva.com needs all CSS files to be minified and compressed as it can save up to 900 B or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (18%)

Requests Now

51

After Optimization

42

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delmarva. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

delmarva.com accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

High

[role] values are not valid

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

delmarva.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

delmarva.com SEO score

77

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

    N/A

  • Encoding

    UTF-8

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