1.3 sec in total
268 ms
853 ms
189 ms
Click here to check amazing Sierra Sci content. Otherwise, check out these important facts you probably never knew about sierrasci.com
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Visit sierrasci.comWe analyzed Sierrasci.com page load time and found that the first response time was 268 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.
sierrasci.com performance score
name
value
score
weighting
Value2.5 s
68/100
10%
Value7.1 s
5/100
25%
Value5.6 s
53/100
10%
Value710 ms
42/100
30%
Value0
100/100
15%
Value7.9 s
43/100
10%
268 ms
80 ms
29 ms
82 ms
97 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 56% of them (24 requests) were addressed to the original Sierrasci.com, 12% (5 requests) were made to S7.addthis.com and 9% (4 requests) were made to A.collective-media.net. The less responsive or slowest element that took the longest time to load (319 ms) belongs to the original domain Sierrasci.com.
Page size can be reduced by 869.2 kB (39%)
2.2 MB
1.4 MB
In fact, the total size of Sierrasci.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. 50% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 133.5 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 133.5 kB or 75% of the original size.
Potential reduce by 6.4 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. Sierra Sci images are well optimized though.
Potential reduce by 726.7 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 726.7 kB or 66% of the original size.
Potential reduce by 2.6 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. Sierrasci.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 70% of the original size.
Number of requests can be reduced by 18 (45%)
40
22
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sierra Sci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sierrasci.com
268 ms
style.css
80 ms
css
29 ms
ddsmoothmenu.css
82 ms
ddsmoothmenu-v.css
97 ms
jquery.min.js
14 ms
rotatingImages.js
88 ms
ddsmoothmenu.js
115 ms
addthis_widget.js
18 ms
addthis_widget.js
13 ms
layers.34f2ad207a6dc0c4eb95.js
126 ms
ga.js
99 ms
300lo.json
115 ms
counter.edf852b124cbbd1dcd84.js
22 ms
bkg_top.png
108 ms
bkg_bottom.jpg
105 ms
input_bkg.gif
106 ms
logo.png
128 ms
bar.gif
105 ms
panel_04.jpg
224 ms
panel_00.jpg
212 ms
panel_01.jpg
220 ms
panel_06.jpg
255 ms
panel_02.jpg
268 ms
panel_03.jpg
269 ms
panel_05.jpg
297 ms
front_panel_1.jpg
256 ms
front_panel_2.jpg
273 ms
front_panel_3.jpg
307 ms
front_panel_4.jpg
307 ms
bdparker.png
319 ms
amalgam_web_and_media.png
312 ms
Ez4zJbsGr2BgXcNUWBVgEPf4jeoVDNLU0gIpvaTJHt4.ttf
95 ms
sh.953eb77977227bfd253ee158.html
91 ms
__utm.gif
58 ms
shares.json
53 ms
datapair
32 ms
150 ms
datapair
33 ms
datapair
33 ms
datapair
30 ms
pixel
22 ms
pixel
16 ms
sierrasci.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
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
Links do not have a discernible name
sierrasci.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
Issues were logged in the Issues panel in Chrome Devtools
sierrasci.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
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
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sierrasci.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 Sierrasci.com main page’s claimed encoding is iso-8859-1. 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.
sierrasci.com
Open Graph description is not detected on the main page of Sierra Sci. 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: