1.7 sec in total
276 ms
1.3 sec
182 ms
Welcome to calpine.com homepage info - get ready to check Calpine best content for United States right away, or after learning these important things about calpine.com
Calpine is America’s largest generator of electricity from natural gas and geothermal resources and one of the largest retail providers of power.
Visit calpine.comWe analyzed Calpine.com page load time and found that the first response time was 276 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
calpine.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value10.5 s
0/100
25%
Value4.8 s
67/100
10%
Value140 ms
95/100
30%
Value0.163
72/100
15%
Value10.3 s
25/100
10%
276 ms
84 ms
120 ms
78 ms
78 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 64% of them (34 requests) were addressed to the original Calpine.com, 15% (8 requests) were made to S2.q4cdn.com and 13% (7 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (803 ms) belongs to the original domain Calpine.com.
Page size can be reduced by 569.2 kB (26%)
2.2 MB
1.6 MB
In fact, the total size of Calpine.com main page is 2.2 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. 35% of websites need less resources to load. Images take 1.7 MB 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 4.6 kB, which is 14% 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 78% of the original size.
Potential reduce by 281.7 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, Calpine needs image optimization as it can save up to 281.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 206.3 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 206.3 kB or 62% of the original size.
Potential reduce by 55.7 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. Calpine.com needs all CSS files to be minified and compressed as it can save up to 55.7 kB or 84% of the original size.
Number of requests can be reduced by 31 (60%)
52
21
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calpine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
calpine.com
276 ms
menustyle.css
84 ms
style.css
120 ms
_web.css
78 ms
_style2.css
78 ms
c_config.js
112 ms
c_smartmenus.js
104 ms
menus.js
148 ms
mootools-1.2-core.js
223 ms
_class.noobSlide.packed.js
118 ms
h_web2.0_arrow.gif
38 ms
v_web2.0_arrow.gif
39 ms
analytics.js
48 ms
ga.js
45 ms
default.aspx
192 ms
CPN_ARK10K_2014_Cover.jpg
200 ms
microphone_small.gif
124 ms
md_pdf.gif
126 ms
logo.gif
77 ms
hm_srch_btn.gif
79 ms
spacer.gif
78 ms
frontpage_banner_9.jpg
155 ms
hm_bottombar_main.gif
78 ms
investor-relations.jpg
81 ms
news.jpg
84 ms
arrow.gif
82 ms
at-a-glance.jpg
112 ms
cpn2.png
477 ms
modern.png
189 ms
slide4.png
126 ms
base-map6.png
803 ms
clean-green.png
236 ms
Houston%20Earth%20Day%202012.jpg
236 ms
TWP_logo.jpg
190 ms
hm_climateactionleader_logo_SM.gif
233 ms
hm_vpplogo.jpg
227 ms
ct_logo.jpg
307 ms
collect
33 ms
__utm.gif
11 ms
__utm.gif
20 ms
jquery.fancybox.css
85 ms
default.css
29 ms
global_21382.css
86 ms
client_20444.css
83 ms
jquery-1.7.1.min.js
55 ms
jquery-ui-1.10.3.custom.min.js
85 ms
jquery.fancybox.pack.js
112 ms
doctracking.js
30 ms
stockquote.gif
12 ms
collect
11 ms
collect
12 ms
print.css
2 ms
print2.css
3 ms
calpine.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.
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
Links do not have a discernible name
calpine.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
calpine.com SEO score
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
Tap targets are not sized appropriately
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calpine.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 Calpine.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
calpine.com
Open Graph description is not detected on the main page of Calpine. 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: