2.7 sec in total
88 ms
2.1 sec
575 ms
Visit chemicool.com now to see the best up-to-date Chemicool content for United States and also check out these interesting facts you probably never knew about chemicool.com
Award winning periodic table with user-friendly element data and facts. Cool online chemistry videos, dictionary, tools, etc.
Visit chemicool.comWe analyzed Chemicool.com page load time and found that the first response time was 88 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
chemicool.com performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value9.6 s
0/100
25%
Value6.9 s
33/100
10%
Value6,670 ms
0/100
30%
Value0.076
95/100
15%
Value19.0 s
3/100
10%
88 ms
150 ms
7 ms
36 ms
46 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 28% of them (12 requests) were addressed to the original Chemicool.com, 16% (7 requests) were made to Pagead2.googlesyndication.com and 14% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (880 ms) belongs to the original domain Chemicool.com.
Page size can be reduced by 60.5 kB (21%)
285.9 kB
225.3 kB
In fact, the total size of Chemicool.com main page is 285.9 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. 55% of websites need less resources to load. Javascripts take 115.1 kB 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. 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 25.4 kB or 77% of the original size.
Potential reduce by 943 B
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. Chemicool images are well optimized though.
Potential reduce by 13.2 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 13.2 kB or 11% of the original size.
Potential reduce by 21.0 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. Chemicool.com needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 79% of the original size.
Number of requests can be reduced by 21 (54%)
39
18
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemicool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
chemicool.com
88 ms
www.chemicool.com
150 ms
style1-unresponsive.css
7 ms
cookieconsent.latest.min.js
36 ms
brand
46 ms
adsbygoogle.js
12 ms
show_ads.js
11 ms
superfish.js
10 ms
superfish.args.js
11 ms
headbg2.png
18 ms
flasktra.png
12 ms
dashes-bg.png
8 ms
mendeleev1.jpg
7 ms
moseley.jpg
880 ms
carl-sagan.jpg
5 ms
300-periodic-table.png
25 ms
brand
78 ms
google_custom_search_watermark.gif
113 ms
ca-pub-9461632227417539.js
338 ms
zrt_lookup.html
363 ms
show_ads_impl.js
416 ms
ga.js
343 ms
ads
243 ms
__utm.gif
80 ms
osd.js
76 ms
ads
283 ms
ads
222 ms
adj
74 ms
beacon
55 ms
7-_300_250.jpg
131 ms
lidar.js
68 ms
sbhK2lTE.js
130 ms
pixel
113 ms
334 ms
m_js_controller.js
106 ms
abg.js
189 ms
cTrvNaRi.html
187 ms
favicon
287 ms
googlelogo_color_112x36dp.png
264 ms
nessie_icon_tiamat_white.png
86 ms
s
69 ms
x_button_blue2.png
70 ms
AUrdvhejKSJD2XN0WEoLkNJn8VW-ISfFFTHwdQR0Ws4.js
43 ms
chemicool.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
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
chemicool.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
chemicool.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemicool.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 Chemicool.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.
chemicool.com
Open Graph description is not detected on the main page of Chemicool. 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: