2.4 sec in total
377 ms
1.8 sec
276 ms
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Visit crcnetbase.comWe analyzed Crcnetbase.com page load time and found that the first response time was 377 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
crcnetbase.com performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value10.5 s
0/100
25%
Value11.0 s
6/100
10%
Value1,450 ms
15/100
30%
Value0
100/100
15%
Value14.4 s
9/100
10%
377 ms
71 ms
191 ms
13 ms
21 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 93% of them (42 requests) were addressed to the original Crcnetbase.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Rum-static.pingdom.net. The less responsive or slowest element that took the longest time to load (510 ms) belongs to the original domain Crcnetbase.com.
Page size can be reduced by 54.0 kB (66%)
81.7 kB
27.7 kB
In fact, the total size of Crcnetbase.com main page is 81.7 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. Javascripts take 60.8 kB which makes up the majority of the site volume.
Potential reduce by 16.5 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.5 kB or 79% of the original size.
Potential reduce by 37.5 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 37.5 kB or 62% of the original size.
Number of requests can be reduced by 31 (74%)
42
11
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crcnetbase. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.crcnetbase.com
377 ms
www.crcnetbase.com
71 ms
www.crcnetbase.com
191 ms
prum.min.js
13 ms
analytics.js
21 ms
style.css
136 ms
style.css
153 ms
global.css
298 ms
browse.css
290 ms
script.js
307 ms
script.js
240 ms
jquery.js
280 ms
jquery.tf.js
490 ms
prototype.js
462 ms
scriptaculous.js
353 ms
cssQuery.js
360 ms
behavior.js
365 ms
behaviourRules.js
386 ms
parse.js
434 ms
script.js
435 ms
jquery.ui.core.min.js
444 ms
jquery.ui.widget.min.js
457 ms
jquery.ui.progressbar.min.js
509 ms
jquery-ui.css
510 ms
collect
12 ms
builder.js
73 ms
effects.js
100 ms
dragdrop.js
146 ms
controls.js
104 ms
slider.js
72 ms
sound.js
75 ms
bg_main.gif
73 ms
icon_mobile.gif
73 ms
icon_register.gif
73 ms
icon_login.gif
71 ms
logo.gif
73 ms
search_bkgd.gif
75 ms
btn_go.gif
136 ms
h1_underline.gif
140 ms
chemnetbase_snippet.jpg
142 ms
video_tour.jpg
142 ms
informaHC.jpg
145 ms
facebook_ad.jpg
148 ms
freetrial_ad.jpg
201 ms
footer_links_background.png
209 ms
crcnetbase.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
Buttons do not have an accessible name
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
crcnetbase.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
crcnetbase.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 Crcnetbase.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 Crcnetbase.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.
crcnetbase.com
Open Graph description is not detected on the main page of Crcnetbase. 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: