11.9 sec in total
367 ms
10.9 sec
584 ms
Click here to check amazing Chem Station content for Japan. Otherwise, check out these important facts you probably never knew about chem-station.com
化学ポータルサイト
Visit chem-station.comWe analyzed Chem-station.com page load time and found that the first response time was 367 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
chem-station.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value8.6 s
1/100
25%
Value8.8 s
15/100
10%
Value2,280 ms
5/100
30%
Value0.165
71/100
15%
Value14.8 s
8/100
10%
367 ms
2479 ms
670 ms
838 ms
384 ms
Our browser made a total of 126 requests to load all elements on the main page. We found that 65% of them (82 requests) were addressed to the original Chem-station.com, 5% (6 requests) were made to Ps-jp.amazon-adsystem.com and 4% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (6.5 sec) belongs to the original domain Chem-station.com.
Page size can be reduced by 748.3 kB (22%)
3.5 MB
2.7 MB
In fact, the total size of Chem-station.com main page is 3.5 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 2.4 MB which makes up the majority of the site volume.
Potential reduce by 96.4 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 96.4 kB or 82% of the original size.
Potential reduce by 33.8 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. Chem Station images are well optimized though.
Potential reduce by 487.9 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 487.9 kB or 65% of the original size.
Potential reduce by 130.2 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. Chem-station.com needs all CSS files to be minified and compressed as it can save up to 130.2 kB or 72% of the original size.
Number of requests can be reduced by 61 (51%)
120
59
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Station. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
chem-station.com
367 ms
www.chem-station.com
2479 ms
1454441861index.css
670 ms
1454441861index.css
838 ms
1451004682index.js
384 ms
loader.js
128 ms
1451004678index.css
360 ms
adsbygoogle.js
5 ms
platform.js
91 ms
1451004697index.css
240 ms
chemstation-22_1e40e210-0eac-4725-9e78-9408d62198a2.js
107 ms
analytics.js
45 ms
wp-emoji-release.min.js
407 ms
jquery.js
722 ms
jquery-migrate.min.js
216 ms
next-page.js
299 ms
sdk.js
39 ms
dot-metrix.p.js
193 ms
feedly-follow-rectangle-volume-medium_2x.png
30 ms
background-texture-3.jpg
1825 ms
background-header.jpg
629 ms
Chem-Station.gif
392 ms
9da5a7448e6a2b551fbcec754b16924d.gif
924 ms
icon-default.png
631 ms
icon-search.png
630 ms
icon-menu-split.jpg
686 ms
readcube_tips_0-680x250.png
1221 ms
2016-02-21_04-11-19-680x250.png
2035 ms
2016-02-05_16-15-59-680x250.png
2636 ms
2016-02-19_02-56-19-680x250.png
1933 ms
2016-02-03_11-16-25-680x250.png
2562 ms
readcube_tips_0-330x200.png
1428 ms
2016-02-03_22-03-09-330x200.png
2430 ms
2015-11-27_12-49-19-330x200.png
2730 ms
sonication_0-330x200.jpg
2105 ms
MB_Francis_0-e1452778457347-330x200.jpg
2401 ms
topliss_tree_0-330x200.png
3106 ms
img_koujou_01-330x200.jpg
2768 ms
PLA-1-330x200.png
3604 ms
PKI_ChemStation_L3_final.png
2945 ms
8-test-1413412730-chem20141015.gif
2971 ms
M025.gif
3086 ms
chem-station-banner.gif
3491 ms
technosigma_banner3.gif
4123 ms
JEOLseminor_Mar15.png
3346 ms
2014-10-10_22-11-01.png
3266 ms
ezgif-1659755844.gif
6527 ms
NIST300_60_160219.jpg
3622 ms
37126-featured-310x120.png
4458 ms
37679-featured-310x120.png
4041 ms
37399-featured-310x120.png
3924 ms
anMUvcNT0H1YN4FII8wprzsSLeNQG2cy_mKit6iEdYs.ttf
156 ms
anMUvcNT0H1YN4FII8wpr4e2tK5W43RXgBRKkM4A5Qg.ttf
257 ms
7XUFZ5tgS-tD6QamInJTcU3KvHLhcNjEHFQzwNtdMQY.ttf
344 ms
ca-pub-3643992211965255.js
323 ms
zrt_lookup.html
355 ms
show_ads_impl.js
162 ms
collect
334 ms
collect
391 ms
368 ms
ajs.php
262 ms
ads
390 ms
entypo.svg
4073 ms
osd.js
151 ms
36511-featured-310x120.png
4169 ms
ads
303 ms
28013-featured-310x120.png
4073 ms
37664-featured-310x120.png
4504 ms
lg.php
177 ms
widgets.js
162 ms
274e.png
158 ms
xd_arbiter.php
71 ms
xd_arbiter.php
97 ms
jquery.adrotate.clicktracker.js
3911 ms
wp-lightbox-2.min.js
3950 ms
effect.min.js
3946 ms
css
197 ms
m_js_controller.js
62 ms
abg.js
95 ms
jquery.cookie.js
3956 ms
aps-adserving.min.js
37 ms
jquery.floating_popup.1.3.min.js
4013 ms
ps-spr-1-mobile-jp.png
108 ms
aps-base.min.css
13 ms
ps-spr-2-mobile-jp.png
100 ms
favicon
97 ms
nessie_icon_tiamat_white.png
57 ms
s
44 ms
googlelogo_color_112x36dp.png
85 ms
x_button_blue2.png
21 ms
912702287.json
186 ms
scripts.php
5186 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
5 ms
orange-themes-responsive.js
3578 ms
masonry.min.js
3587 ms
jquery.isotope.min.js
3083 ms
lightbox.js
3048 ms
jquery.infinitescroll.min.js
3057 ms
jquery.event.move.js
2981 ms
jquery.event.swipe.js
2763 ms
comment-reply.min.js
2754 ms
ot_gallery.js
2709 ms
scripts.js
2654 ms
wp-embed.min.js
2616 ms
swiper.js
2803 ms
galleries-shortcodes.js
2510 ms
41d43iv172L-182x300.jpg
2891 ms
TheSolGelHandbook-182x300.jpg
2809 ms
2016-02-01_10-42-59-182x300.png
3612 ms
art_of_problem_solving_oc_0-182x300.jpg
2680 ms
the_practice_of_medchem_0-182x300.jpg
3013 ms
3527333797-182x300.jpg
3133 ms
souyaku_kagaku_1-182x300.jpg
2757 ms
Tietze_RandS_0-182x300.jpg
3174 ms
3527335536-182x300.jpg
2891 ms
2016-01-06_02-13-53-182x300.png
3417 ms
orange-themes.png
2573 ms
loading.gif
2432 ms
icon-article-loupe.png
2404 ms
icon-article-link.png
2435 ms
default.png
2517 ms
wa
177 ms
track
113 ms
icon-default-menu.png
184 ms
track
90 ms
ui
36 ms
chem-station.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
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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
chem-station.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
General
Impact
Issue
Detected JavaScript libraries
chem-station.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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem-station.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Chem-station.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.
chem-station.com
Open Graph description is not detected on the main page of Chem Station. 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: