577 ms in total
172 ms
289 ms
116 ms
Welcome to sciencekits.com homepage info - get ready to check Sciencekits best content right away, or after learning these important things about sciencekits.com
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Visit sciencekits.comWe analyzed Sciencekits.com page load time and found that the first response time was 172 ms and then it took 405 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
sciencekits.com performance score
name
value
score
weighting
Value1.4 s
98/100
10%
Value1.5 s
100/100
25%
Value1.4 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.4 s
100/100
10%
172 ms
15 ms
16 ms
17 ms
17 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Sciencekits.com and no external sources were called. The less responsive or slowest element that took the longest time to load (172 ms) belongs to the original domain Sciencekits.com.
Page size can be reduced by 35.4 kB (35%)
99.8 kB
64.4 kB
In fact, the total size of Sciencekits.com main page is 99.8 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. 15% of websites need less resources to load. Images take 71.1 kB which makes up the majority of the site volume.
Potential reduce by 12.5 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 12.5 kB or 74% of the original size.
Potential reduce by 13.2 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, Sciencekits needs image optimization as it can save up to 13.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 8.3 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 8.3 kB or 84% of the original size.
Potential reduce by 1.5 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. Sciencekits.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 76% 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 Sciencekits. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
sciencekits.com
172 ms
actinic.css
15 ms
actiniccore.js
16 ms
actinicextras.js
17 ms
Act_sections.js
17 ms
go_button.gif
14 ms
sitemap1.gif
28 ms
info1.gif
29 ms
search1.gif
29 ms
cart1.gif
29 ms
order1.gif
27 ms
mail1.gif
28 ms
pp.gif
29 ms
order_status.gif
36 ms
credit_cards.gif
34 ms
anniversary.jpg
35 ms
scicent.gif
36 ms
tk8740t.jpg
32 ms
tk08355t.jpg
42 ms
ak00908t.jpg
41 ms
br00973t.jpg
43 ms
lm05914t.jpg
47 ms
TK00007t.jpg
55 ms
EG00001t.jpg
50 ms
multicard_bk_allt.gif
51 ms
diners.gif
55 ms
jcb.gif
57 ms
home.gif
57 ms
view_basket.gif
58 ms
checkout.gif
62 ms
contact_us.gif
67 ms
back_to_top.gif
67 ms
go_button2.gif
64 ms
add_to_basket2.gif
65 ms
top_bg.gif
56 ms
pxl_black.gif
54 ms
menu_bg.gif
58 ms
menu_box_bulk.gif
60 ms
menu_box_bottom.gif
65 ms
bottom_bg.gif
63 ms
back2.gif
11 ms
sitemap2.gif
14 ms
info2.gif
16 ms
search2.gif
18 ms
cart2.gif
18 ms
order2.gif
19 ms
mail2.gif
21 ms
sciencekits.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
sciencekits.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
sciencekits.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencekits.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 Sciencekits.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.
sciencekits.com
Open Graph description is not detected on the main page of Sciencekits. 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: