2.9 sec in total
762 ms
2 sec
109 ms
Welcome to res-group.com homepage info - get ready to check RES Group best content for United States right away, or after learning these important things about res-group.com
We are RES, the world's largest independent renewable energy company with 40 years of experience delivering global renewable energy solutions.
Visit res-group.comWe analyzed Res-group.com page load time and found that the first response time was 762 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
res-group.com performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value8.0 s
2/100
25%
Value5.6 s
52/100
10%
Value330 ms
75/100
30%
Value1.011
2/100
15%
Value7.1 s
51/100
10%
762 ms
160 ms
255 ms
178 ms
177 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 97% of them (71 requests) were addressed to the original Res-group.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (762 ms) belongs to the original domain Res-group.com.
Page size can be reduced by 436.4 kB (34%)
1.3 MB
839.4 kB
In fact, the total size of Res-group.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. 40% of websites need less resources to load. Images take 752.5 kB which makes up the majority of the site volume.
Potential reduce by 25.4 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 5.4 kB, which is 17% 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 25.4 kB or 79% of the original size.
Potential reduce by 32.9 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. RES Group images are well optimized though.
Potential reduce by 278.1 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 278.1 kB or 75% of the original size.
Potential reduce by 99.9 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. Res-group.com needs all CSS files to be minified and compressed as it can save up to 99.9 kB or 83% of the original size.
Number of requests can be reduced by 42 (58%)
72
30
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RES Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
res-group.com
762 ms
resCommonStyles.css
160 ms
resLayout.css
255 ms
resGroupMenu.css
178 ms
ResGroupContactForm.css
177 ms
jquery-ui-1.8.17.smoothness.css
242 ms
resSubMenuProducts.css
226 ms
ResGroupMenuSlide.css
237 ms
resJobs.css
255 ms
resWind.css
257 ms
AC_RunActiveContent.js
305 ms
EmbedFlash.js
314 ms
safeLink.js
317 ms
iepngfix_tilebg.js
331 ms
googleAnalytics.js
331 ms
googleAnalytics1.js
333 ms
sortable.js
384 ms
dropdown.js
390 ms
ajax.js
394 ms
jquery-1.7.2.min.js
569 ms
projectSlideImg.js
407 ms
video-js-1.1.5.css
409 ms
video-js-1.1.5.js
466 ms
hu.css
467 ms
tube.css
470 ms
vim.css
484 ms
jquery.qtip.js
591 ms
jquery.qtip.css
545 ms
jquery-ui-1.8.17.core.min.js
545 ms
jquery-ui-1.8.17.widget.base.min.js
547 ms
fancy.css
562 ms
jquery.fancybox-1.0.0.js
623 ms
slideView.css
621 ms
jquery.easing.js
626 ms
slideView.js
641 ms
swfobject_modified.js
647 ms
country-selector.css
525 ms
flags.css
559 ms
reveal.css
540 ms
cookiecuttr.css
540 ms
jquery.reveal.js
501 ms
jquery.cookie.js
498 ms
jquery.cookiecuttr.js
509 ms
ga.js
8 ms
__utm.gif
13 ms
res_logo.jpg
90 ms
worldmap.jpg
82 ms
queens-award-2013.gif
81 ms
moreNav.png
79 ms
logo.jpg
176 ms
offshore.png
82 ms
image.jpg
308 ms
banner3.jpg
309 ms
longhorn_wind_texas.jpg
160 ms
four_burrows.jpg
386 ms
energy_storage.jpg
392 ms
RES-and-DONG-Energy-US-Offshore-Development-Agreement.jpg
312 ms
res-power-for-good-th.jpg
253 ms
banner3_thumb.jpg
330 ms
longhorn_wind_texas_thumb.jpg
384 ms
four_burrows_thumb.jpg
386 ms
energy_storage_thumb.jpg
390 ms
RES-and-DONG-Energy-US-Offshore-Development-Agreement-thumb.jpg
408 ms
wind.jpg
462 ms
solar.jpg
464 ms
storage.jpg
464 ms
transmission.jpg
467 ms
dsm.jpg
468 ms
flags.png
556 ms
load-indicator.gif
528 ms
transparent_bg.png
527 ms
arrow-bg.png
503 ms
resPrint.css
81 ms
res-group.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Heading elements are not in a sequentially-descending order
res-group.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
res-group.com 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
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Res-group.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 Res-group.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.
res-group.com
Open Graph description is not detected on the main page of RES Group. 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: