1.3 sec in total
245 ms
872 ms
133 ms
Welcome to nsrdb.nrel.gov homepage info - get ready to check NSRDB Nrel best content for United States right away, or after learning these important things about nsrdb.nrel.gov
A serially complete collection of hourly and half-hourly values of meteorological data and the three most common measurements of solar radiation: global horizontal, direct normal and diffuse horizonta...
Visit nsrdb.nrel.govWe analyzed Nsrdb.nrel.gov page load time and found that the first response time was 245 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
nsrdb.nrel.gov performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value11.9 s
0/100
25%
Value4.6 s
71/100
10%
Value360 ms
72/100
30%
Value0
100/100
15%
Value6.5 s
58/100
10%
245 ms
49 ms
94 ms
130 ms
172 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 68% of them (13 requests) were addressed to the original Nsrdb.nrel.gov, 11% (2 requests) were made to Fonts.gstatic.com and 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (245 ms) belongs to the original domain Nsrdb.nrel.gov.
Page size can be reduced by 81.4 kB (33%)
247.2 kB
165.8 kB
In fact, the total size of Nsrdb.nrel.gov main page is 247.2 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. 15% of websites need less resources to load. Images take 139.4 kB which makes up the majority of the site volume.
Potential reduce by 8.6 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 1.8 kB, which is 15% 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 8.6 kB or 68% of the original size.
Potential reduce by 3.2 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. NSRDB Nrel images are well optimized though.
Potential reduce by 43.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 43.9 kB or 73% of the original size.
Potential reduce by 25.8 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. Nsrdb.nrel.gov needs all CSS files to be minified and compressed as it can save up to 25.8 kB or 74% of the original size.
Number of requests can be reduced by 9 (56%)
16
7
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NSRDB Nrel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
nsrdb.nrel.gov
245 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
49 ms
css_PDkFf13X_wKXGgYHKD-xAZBIP150rvl-obuolou5BHI.css
94 ms
css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css
130 ms
css_AM6Dn1rW5Y9LQLQij3W2yne2wm9Vac31TrIS8XUqb1M.css
172 ms
jquery.min.js
24 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
174 ms
js_I8yX6RYPZb7AtMcDUA3QKDZqVkvEn35ED11_1i7vVpc.js
132 ms
js_iYsPpB3B-cWPXOZpHqdoSUudh3OYEXD053YZrYvXrws.js
132 ms
js_clze73dX3eB7LoYulODHf1TUNPEx-CXXFiq3fXeaMGc.js
146 ms
css
58 ms
analytics.js
87 ms
NREL-logo.png
94 ms
search-button.png
49 ms
Final_1092.jpg
210 ms
s-BiyweUPV0v-yRb-cjciC3USBnSvpkopQaUR-2r7iU.ttf
19 ms
EFpQQyG9GqCrobXxL-KRMfEr6Hm6RMS0v1dtXsGir4g.ttf
22 ms
collect
35 ms
collect
34 ms
nsrdb.nrel.gov accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
nsrdb.nrel.gov 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
Missing source maps for large first-party JavaScript
nsrdb.nrel.gov SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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 Nsrdb.nrel.gov 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 Nsrdb.nrel.gov 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.
nsrdb.nrel.gov
Open Graph description is not detected on the main page of NSRDB Nrel. 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: