37.4 sec in total
182 ms
32.4 sec
4.9 sec
Click here to check amazing National Grid content for United States. Otherwise, check out these important facts you probably never knew about nationalgrid.com
We are one of the world’s largest investor-owned energy companies, committed to delivering electricity and gas safely, reliably and efficiently to the customers and communities we serve.
Visit nationalgrid.comWe analyzed Nationalgrid.com page load time and found that the first response time was 182 ms and then it took 37.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
nationalgrid.com performance score
name
value
score
weighting
Value2.3 s
73/100
10%
Value10.8 s
0/100
25%
Value6.7 s
36/100
10%
Value1,340 ms
17/100
30%
Value0.039
99/100
15%
Value12.4 s
15/100
10%
182 ms
898 ms
436 ms
419 ms
477 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nationalgrid.com, 9% (6 requests) were made to Fonts.gstatic.com and 9% (6 requests) were made to Static.olark.com. The less responsive or slowest element that took the longest time to load (10.9 sec) relates to the external source Fonts.gstatic.com.
Page size can be reduced by 1.6 MB (56%)
2.8 MB
1.2 MB
In fact, the total size of Nationalgrid.com main page is 2.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 43.7 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 43.7 kB or 79% of the original size.
Potential reduce by 94.3 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. Obviously, National Grid needs image optimization as it can save up to 94.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.1 MB
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 1.1 MB or 64% of the original size.
Potential reduce by 332.2 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. Nationalgrid.com needs all CSS files to be minified and compressed as it can save up to 332.2 kB or 84% of the original size.
Number of requests can be reduced by 26 (47%)
55
29
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Grid. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.nationalgridus.com
182 ms
www.nationalgridus.com
898 ms
Default
436 ms
main.css
419 ms
require.min.js
477 ms
main-bundle.min.js
723 ms
174551557b.js
1286 ms
additional.css
993 ms
element.js
1297 ms
normalize.min.css
1243 ms
jquery-ui.min.css
1279 ms
css
1259 ms
174551557b.css
894 ms
font-awesome-css.min.css
88 ms
2743.js
1106 ms
gtm.js
1120 ms
logo.png
702 ms
translateelement.css
1616 ms
main.js
5121 ms
asset_upload_file20381_52405.jpg
396 ms
twitter_drop.png
395 ms
facebook_drop.png
752 ms
youtube_drop.png
751 ms
instagram_drop.png
750 ms
analytics.js
6307 ms
f.js
8841 ms
loader.js
6729 ms
asset_upload_file39_34271.jpg
5874 ms
s
6080 ms
update.min.js
5916 ms
asset_upload_file910_34271.jpg
2927 ms
asset_upload_file867_34271.jpg
2926 ms
asset_upload_file298_34271.jpg
2927 ms
asset_upload_file538_34271.jpg
3017 ms
asset_upload_file979_34271.jpg
2925 ms
asset_upload_file919_34271.jpg
3309 ms
asset_upload_file449_34271.jpg
3310 ms
asset_upload_file331_34271.jpg
3309 ms
asset_upload_file517_34271.jpg
3308 ms
asset_upload_file721_34271.jpg
3309 ms
asset_upload_file211_34271.jpg
3308 ms
asset_upload_file668_34271.jpg
5339 ms
u
5711 ms
ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff
5626 ms
toadOcfmlt9b38dHJxOBGNbE_oMaV8t2eFeISPpzbdE.woff
9844 ms
toadOcfmlt9b38dHJxOBGMa9awK0IKUjIWABZIchFI8.woff
10928 ms
toadOcfmlt9b38dHJxOBGJ6-ys_j0H4QL65VLqzI3wI.woff
10007 ms
toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff
10007 ms
toadOcfmlt9b38dHJxOBGHiec-hVyr2k4iOzEQsW1iE.woff
10927 ms
icomoon.woff
5121 ms
element_main.js
1390 ms
collect
592 ms
app.js
460 ms
4132-548-10-4259.js
3049 ms
translate_24dp.png
3856 ms
l
2143 ms
cleardot.gif
3737 ms
translate_24dp.png
2489 ms
c
6567 ms
application2.js
1066 ms
7140 ms
7139 ms
te_ctrl3.gif
5166 ms
storage.html
1299 ms
storage.js
492 ms
nationalgrid.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nationalgrid.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nationalgrid.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nationalgrid.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 Nationalgrid.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.
nationalgrid.com
Open Graph description is not detected on the main page of National Grid. 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: