Tools & Wizards About Us
nationalgridus.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nationalgridus.com

Natural Gas & Electricity | National Grid

Page Load Speed

2.3 sec in total

First Response

76 ms

Resources Loaded

2.2 sec

Page Rendered

90 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 76 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nationalgridus.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.427

22/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

nationalgridus.com

76 ms

www.nationalgridus.com

74 ms

Default.aspx

82 ms

gtm.js

84 ms

gtm.js

151 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 14% of them (13 requests) were addressed to the original Nationalgridus.com, 9% (9 requests) were made to Googletagmanager.com and 6% (6 requests) were made to A2.adform.net. The less responsive or slowest element that took the longest time to load (457 ms) relates to the external source 10710186.fls.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 246.8 kB (19%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nationalgridus.com main page is 1.3 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. 70% of websites need less resources to load. Images take 841.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 136.3 kB

  • Original 207.7 kB
  • After minification 185.5 kB
  • After compression 71.4 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 22.2 kB, which is 11% 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 136.3 kB or 66% of the original size.

Image Optimization

-5%

Potential reduce by 45.3 kB

  • Original 841.0 kB
  • After minification 795.6 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

-27%

Potential reduce by 65.0 kB

  • Original 245.4 kB
  • After minification 245.4 kB
  • After compression 180.4 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 65.0 kB or 27% of the original size.

CSS Optimization

-35%

Potential reduce by 162 B

  • Original 469 B
  • After minification 469 B
  • After compression 307 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. Nationalgridus.com needs all CSS files to be minified and compressed as it can save up to 162 B or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (76%)

Requests Now

85

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 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 29 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nationalgridus.com

nationalgridus.com

76 ms

www.nationalgridus.com

www.nationalgridus.com

74 ms

Default.aspx

Default.aspx

82 ms

gtm.js

gtm.js

84 ms

gtm.js

gtm.js

151 ms

contentWeb.css

contentWeb.css

35 ms

contentWeb.js

contentWeb.js

187 ms

crownpeak.searchg2-1.0.0.min.js

crownpeak.searchg2-1.0.0.min.js

32 ms

element.js

element.js

75 ms

ng_logo.svg

ng_logo.svg

70 ms

grey-carrot-down.svg

grey-carrot-down.svg

69 ms

moving_collage.jpg

moving_collage.jpg

221 ms

homepage_primary1_mobile_554x376.jpg

homepage_primary1_mobile_554x376.jpg

220 ms

homepage_secondary_388x350.jpg

homepage_secondary_388x350.jpg

219 ms

homepage_secondary_388x350.jpg

homepage_secondary_388x350.jpg

218 ms

homepage_secondary_388x350.jpg

homepage_secondary_388x350.jpg

220 ms

logo-twitter-white.png

logo-twitter-white.png

218 ms

analytics.js

analytics.js

159 ms

update.min.js

update.min.js

142 ms

destination

destination

96 ms

insight.min.js

insight.min.js

409 ms

js

js

148 ms

gtm.js

gtm.js

308 ms

gtm.js

gtm.js

145 ms

gtm.js

gtm.js

127 ms

fbevents.js

fbevents.js

304 ms

uwt.js

uwt.js

303 ms

linkid.js

linkid.js

57 ms

collect

collect

59 ms

activityi;src=10710186;type=respo0;cat=respo0;ord=1714861560880.73j4v8jd;npa=0;auiddc=501042426.1714861561;pscdl=noapi;gtm=45fe4510z877543435za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

activityi;src=10710186;type=respo0;cat=respo0;ord=1714861560880.73j4v8jd;npa=0;auiddc=501042426.1714861561;pscdl=noapi;gtm=45fe4510z877543435za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

457 ms

collect

collect

189 ms

collect

collect

334 ms

collect

collect

330 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

199 ms

42905

42905

207 ms

trackpoint-async.js

trackpoint-async.js

292 ms

adsct

adsct

284 ms

adsct

adsct

281 ms

destination

destination

60 ms

destination

destination

59 ms

ActivityServer.bs

ActivityServer.bs

141 ms

analytics.min.js

analytics.min.js

55 ms

2372

2372

122 ms

activityi;src=10527905;type=natio0;cat=natio0;ord=1;num=7148294446711;npa=0;auiddc=501042426.1714861561;pscdl=noapi;gtm=45fe4510z8812101328za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

activityi;src=10527905;type=natio0;cat=natio0;ord=1;num=7148294446711;npa=0;auiddc=501042426.1714861561;pscdl=noapi;gtm=45fe4510z8812101328za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

171 ms

js

js

19 ms

94 ms

92 ms

src=10710186;type=respo0;cat=respo0;ord=1714861560880.73j4v8jd;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z877543435za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

src=10710186;type=respo0;cat=respo0;ord=1714861560880.73j4v8jd;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z877543435za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

156 ms

ebAttribution.js

ebAttribution.js

101 ms

14 ms

16 ms

14 ms

pixels

pixels

144 ms

117 ms

45 ms

115 ms

pixie.js

pixie.js

46 ms

src=10527905;type=natio0;cat=natio0;ord=1;num=7148294446711;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z8812101328za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

src=10527905;type=natio0;cat=natio0;ord=1;num=7148294446711;npa=0;auiddc=*;pscdl=noapi;gtm=45fe4510z8812101328za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.nationalgridus.com%2FDefault.aspx

74 ms

bounce

bounce

34 ms

bounce

bounce

135 ms

user-registering

user-registering

179 ms

29729

29729

401 ms

click

click

342 ms

usermatch.gif

usermatch.gif

12 ms

Pug

Pug

181 ms

cs

cs

267 ms

um

um

194 ms

195 ms

put

put

171 ms

33302

33302

290 ms

131 ms

match

match

27 ms

gdpr_consent=

gdpr_consent=

22 ms

rum

rum

36 ms

setuid

setuid

16 ms

generic

generic

15 ms

49 ms

xuid

xuid

5 ms

match

match

20 ms

45 ms

pixel.gif

pixel.gif

153 ms

match

match

17 ms

sd

sd

34 ms

206 ms

info2

info2

38 ms

17 ms

pixel

pixel

48 ms

match

match

45 ms

pixel.gif

pixel.gif

299 ms

13 ms

11 ms

p

p

70 ms

3.gif

3.gif

92 ms

52 ms

55 ms

Accessibility Review

nationalgridus.com accessibility score

90

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

nationalgridus.com 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Nationalgridus.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 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

nationalgridus.com

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: