Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 79

    SEO

    Google-friendlier than
    48% of websites

esb.ie

Home

Page Load Speed

3.7 sec in total

First Response

283 ms

Resources Loaded

2.2 sec

Page Rendered

1.2 sec

esb.ie screenshot

About Website

Welcome to esb.ie homepage info - get ready to check Esb best content for Ireland right away, or after learning these important things about esb.ie

As a strong, diversified, vertically integrated utility, ESB operates right across the electricity market: from generation, through transmission and distribution to supply.

Visit esb.ie

Key Findings

We analyzed Esb.ie page load time and found that the first response time was 283 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

esb.ie performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

esb.ie

283 ms

index.jsp

721 ms

common-2013.css

171 ms

styles-2013.css

345 ms

jquery.min.js

32 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 86% of them (25 requests) were addressed to the original Esb.ie, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (721 ms) belongs to the original domain Esb.ie.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.3 kB (13%)

Content Size

549.7 kB

After Optimization

476.4 kB

In fact, the total size of Esb.ie main page is 549.7 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. 20% of websites need less resources to load. Images take 441.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 15.8 kB

  • Original 20.1 kB
  • After minification 15.6 kB
  • After compression 4.4 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 4.6 kB, which is 23% 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 15.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 441.4 kB
  • After minification 441.4 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. Esb images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 57 B

  • Original 20.0 kB
  • After minification 20.0 kB
  • After compression 19.9 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

-84%

Potential reduce by 57.5 kB

  • Original 68.1 kB
  • After minification 52.4 kB
  • After compression 10.7 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. Esb.ie needs all CSS files to be minified and compressed as it can save up to 57.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

esb.ie accessibility score

93

Accessibility Issues

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

esb.ie best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

esb.ie SEO score

79

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

High

Page is blocked from indexing

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esb.ie 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 Esb.ie main page’s claimed encoding is windows-1252. 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 Esb. 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: