Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nationalgridus.com

Natural Gas & Electricity | National Grid

Page Load Speed

1.9 sec in total

First Response

32 ms

Resources Loaded

1.6 sec

Page Rendered

247 ms

nationalgridus.com screenshot

About Website

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

Welcome to National Grid, providing New York and Massachusetts with natural gas and electricity for homes and businesses.

Visit nationalgridus.com

Key Findings

We analyzed Nationalgridus.com page load time and found that the first response time was 32 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nationalgridus.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value2,310 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value1.462

0/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

nationalgridus.com

32 ms

www.nationalgridus.com

150 ms

Default

23 ms

main.css

12 ms

require.min.js

76 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 51% of them (27 requests) were addressed to the original Nationalgridus.com, 11% (6 requests) were made to Fonts.gstatic.com and 9% (5 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (741 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 535.6 kB (48%)

Content Size

1.1 MB

After Optimization

585.3 kB

In fact, the total size of Nationalgridus.com main page is 1.1 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. 50% of websites need less resources to load. Javascripts take 589.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 40.4 kB

  • Original 49.7 kB
  • After minification 46.6 kB
  • After compression 9.3 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 40.4 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 15.4 kB

  • Original 311.6 kB
  • After minification 296.2 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. National Grid Us images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 341.2 kB

  • Original 589.1 kB
  • After minification 589.0 kB
  • After compression 247.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 341.2 kB or 58% of the original size.

CSS Optimization

-81%

Potential reduce by 138.6 kB

  • Original 170.5 kB
  • After minification 170.4 kB
  • After compression 32.0 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. Nationalgridus.com needs all CSS files to be minified and compressed as it can save up to 138.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (35%)

Requests Now

43

After Optimization

28

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Grid Us. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nationalgridus.com accessibility score

100

Accessibility Issues

Best Practices

nationalgridus.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nationalgridus.com SEO score

83

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

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 Nationalgridus.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 Nationalgridus.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 National Grid Us. 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: