1.6 sec in total
207 ms
1.1 sec
339 ms
Click here to check amazing Tesla Science Center content for United States. Otherwise, check out these important facts you probably never knew about teslasciencecenter.org
Visit teslasciencecenter.orgWe analyzed Teslasciencecenter.org page load time and found that the first response time was 207 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
teslasciencecenter.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value36.2 s
0/100
25%
Value10.5 s
7/100
10%
Value1,560 ms
13/100
30%
Value0
100/100
15%
Value18.1 s
3/100
10%
207 ms
271 ms
84 ms
81 ms
82 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Teslasciencecenter.org, 8% (4 requests) were made to Platform.twitter.com and 2% (1 request) were made to Vspot.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (359 ms) belongs to the original domain Teslasciencecenter.org.
Page size can be reduced by 73.7 kB (14%)
522.3 kB
448.7 kB
In fact, the total size of Teslasciencecenter.org main page is 522.3 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. 35% of websites need less resources to load. Images take 446.9 kB which makes up the majority of the site volume.
Potential reduce by 14.9 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 14.9 kB or 77% of the original size.
Potential reduce by 13.3 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. Tesla Science Center images are well optimized though.
Potential reduce by 45.4 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. Teslasciencecenter.org needs all CSS files to be minified and compressed as it can save up to 45.4 kB or 81% of the original size.
Number of requests can be reduced by 23 (50%)
46
23
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tesla Science Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
teslasciencecenter.org
207 ms
www.teslasciencecenter.org
271 ms
style.css
84 ms
Snore-Fest.css
81 ms
style.css
82 ms
formidablepro.css
83 ms
nggallery.css
84 ms
affiliates.css
86 ms
lightbox.min.css
158 ms
pretty-sidebar-categories.css
159 ms
main.css
159 ms
scripts.js
160 ms
jquery.js
205 ms
jquery-migrate.min.js
160 ms
jquery.cycle.all.min.js
238 ms
ngg.slideshow.min.js
235 ms
webtoolkit.sprintf.js
236 ms
countdown.js
240 ms
social_bookmarks.css
239 ms
jquery.ui.core.min.js
303 ms
fergcorp_countdownTimer_java.js
313 ms
jquery.lightbox.min.js
314 ms
button_green.png
251 ms
background.jpg
190 ms
header.png
191 ms
dsLeft.png
85 ms
128px-Google.png
125 ms
128px-MuskFoundation.png
151 ms
extendColumn.gif
150 ms
mainColumnBG.jpg
158 ms
tscw_seasons_greetings_2015-475x633.jpg
314 ms
brick_for_nik_tesla.png
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tree_lighting_2015-231x300.jpg
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dsRight.png
236 ms
facebookSB.png
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twitterSB.png
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rssSB.png
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donateSB.png
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memberSB.png
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tscTwitterSB.png
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newsSB.png
358 ms
widgets.js
9 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
30 ms
syndication
92 ms
350685676573958144
165 ms
proxy.jpg
50 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.dark.ltr.css
3 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.dark.ltr.css
6 ms
teslasciencecenter.org 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
teslasciencecenter.org 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
teslasciencecenter.org 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
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 Teslasciencecenter.org 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 Teslasciencecenter.org 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.
teslasciencecenter.org
Open Graph description is not detected on the main page of Tesla Science Center. 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: