3.4 sec in total
46 ms
2.9 sec
495 ms
Visit sciencebob.com now to see the best up-to-date Science Bob content for United States and also check out these interesting facts you probably never knew about sciencebob.com
Find easy science experiments, watch experiment videos, and get Science Fair ideas from Science Bob!
Visit sciencebob.comWe analyzed Sciencebob.com page load time and found that the first response time was 46 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
sciencebob.com performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value9.4 s
1/100
25%
Value8.1 s
20/100
10%
Value1,550 ms
13/100
30%
Value0.221
56/100
15%
Value16.2 s
6/100
10%
46 ms
384 ms
11 ms
35 ms
32 ms
Our browser made a total of 104 requests to load all elements on the main page. We found that 74% of them (77 requests) were addressed to the original Sciencebob.com, 4% (4 requests) were made to S7.addthis.com and 3% (3 requests) were made to Secure.gravatar.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Fast.wistia.net.
Page size can be reduced by 1.4 MB (38%)
3.6 MB
2.2 MB
In fact, the total size of Sciencebob.com main page is 3.6 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 130.4 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. 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 130.4 kB or 77% of the original size.
Potential reduce by 189.9 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. Obviously, Science Bob needs image optimization as it can save up to 189.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 882.7 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 882.7 kB or 61% of the original size.
Potential reduce by 174.7 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. Sciencebob.com needs all CSS files to be minified and compressed as it can save up to 174.7 kB or 79% of the original size.
Number of requests can be reduced by 44 (44%)
101
57
The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Bob. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
sciencebob.com
46 ms
sciencebob.com
384 ms
wp-emoji-release.min.js
11 ms
flashblock.css
35 ms
player.css
32 ms
jquery-ui.css
35 ms
styles.css
39 ms
functional.css
36 ms
wonderplugingridgalleryengine.css
37 ms
front.end.css
48 ms
css
86 ms
genericons.css
64 ms
style.css
50 ms
ytprefs.min.css
56 ms
jetpack.css
53 ms
soundmanager2-nodebug-jsmin.js
56 ms
jquery.js
62 ms
jquery-migrate.min.js
74 ms
jquery-ui.min.js
76 ms
jquery.transit.js
70 ms
flash_detect.js
70 ms
jwplayer.js
73 ms
flowplayer.min.js
129 ms
wonderplugingridlightbox.js
75 ms
wonderplugingridgallery.js
78 ms
ytprefs.min.js
79 ms
loader.js
227 ms
vertical-m.css
134 ms
easySlider1.7.js
127 ms
addthis_widget.js
77 ms
E-v1.js
78 ms
jquery.form.min.js
125 ms
scripts.js
124 ms
devicepx-jetpack.js
66 ms
gprofiles.js
268 ms
wpgroho.js
79 ms
functions.js
124 ms
fitvids.min.js
126 ms
wp-embed.min.js
125 ms
e-201607.js
70 ms
analytics.js
163 ms
iframe_api
221 ms
3nowq5ucz5
1880 ms
BG.jpg
64 ms
header.png
50 ms
Science-Bob-Logo.png
81 ms
welcome-to-sciencebob.png
54 ms
science-store.png
54 ms
menuDiv.png
49 ms
homeICN.png
53 ms
sliderBG.png
54 ms
slide_01.png
77 ms
Fizz_Inflator_Slider.jpg
62 ms
Instagram_Slider.jpg
76 ms
homeVideoBG.png
77 ms
aboutBobHome.png
78 ms
homeShortsBG.png
169 ms
experiments.png
77 ms
scienceFairIdeas.png
78 ms
scienceQA.png
82 ms
researchHelp.png
79 ms
expermientBlog.png
80 ms
scienceStore.png
167 ms
videosHomeBG.png
81 ms
someVideosTitle.png
80 ms
Pringles-Can-Rockets.jpg
159 ms
Deisel-Fire-Reaction.jpg
166 ms
Jimmy-Kimmel-Live-Appearance-4-Part-3.mp4.jpg
168 ms
Zero-Gravity.jpg
168 ms
inflator.png
234 ms
science-machine.jpg
189 ms
seeAllVideos.png
173 ms
mediaBar.png
220 ms
facebook.png
184 ms
youtube.png
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twitter.png
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pinterest.png
208 ms
instagram.png
189 ms
iframe_shim
150 ms
KOMIKAX_-webfont.woff
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dontClickHere.png
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mm-logo.jpg
174 ms
collect
95 ms
collect
162 ms
hovercard.css
84 ms
services.css
122 ms
menu.c8295a8eb05547edc345.js
36 ms
lightbox-next.png
71 ms
lightbox-prev.png
105 ms
lightbox-close.png
77 ms
sliderControl_active.png
91 ms
sliderControl.png
79 ms
g.gif
69 ms
sh.808a95620474b05b281a4965.html
51 ms
www-widgetapi.js
114 ms
300lo.json
73 ms
layers.5e40c828463a641436f7.js
6 ms
fql
114 ms
count.json
132 ms
shares.json
116 ms
email.png
36 ms
addThis.png
45 ms
602143f0e78e33e6e355cdaf8ec75cd7bf0ddf3a.jpg
475 ms
iframe_shim
349 ms
sciencebob.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
sciencebob.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
Browser errors were logged to the console
sciencebob.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencebob.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 Sciencebob.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.
sciencebob.com
Open Graph data is detected on the main page of Science Bob. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: