1.5 sec in total
185 ms
1.2 sec
138 ms
Click here to check amazing Chemjobs content. Otherwise, check out these important facts you probably never knew about chemjobs.com
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Visit chemjobs.comWe analyzed Chemjobs.com page load time and found that the first response time was 185 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
chemjobs.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value6.4 s
10/100
25%
Value4.7 s
68/100
10%
Value80 ms
99/100
30%
Value0.167
71/100
15%
Value5.4 s
71/100
10%
185 ms
61 ms
87 ms
98 ms
155 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Chemjobs.com, 6% (2 requests) were made to Stats.g.doubleclick.net and 3% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (291 ms) relates to the external source Cambridgesoft.com.
Page size can be reduced by 801.1 kB (55%)
1.5 MB
660.1 kB
In fact, the total size of Chemjobs.com main page is 1.5 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. 30% of websites need less resources to load. Javascripts take 525.6 kB which makes up the majority of the site volume.
Potential reduce by 21.0 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 21.0 kB or 83% of the original size.
Potential reduce by 1.1 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. Chemjobs images are well optimized though.
Potential reduce by 433.0 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 433.0 kB or 82% of the original size.
Potential reduce by 346.0 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. Chemjobs.com needs all CSS files to be minified and compressed as it can save up to 346.0 kB or 87% of the original size.
Number of requests can be reduced by 15 (48%)
31
16
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemjobs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.cambridgesoft.com
185 ms
Default.aspx
61 ms
jquery.mobile-1.1.0.css
87 ms
mobileDevices.css
98 ms
jquery_1_7.js
155 ms
script-banner-mobile.js
103 ms
jquery.mobile-1.1.0.js
189 ms
01normalizer.css
77 ms
02cscStyle.css
169 ms
03menu.css
127 ms
04cscAdmin.css
168 ms
05lightbox.css
290 ms
06UGM.css
289 ms
ddsmoothmenu.css
291 ms
informatics.css
290 ms
tablesort.css
290 ms
dc.js
71 ms
mobile_tag_informatics.jpg
110 ms
mobile_pki_logo.jpg
66 ms
banner8.jpg
95 ms
banner7.jpg
111 ms
banner6.jpg
97 ms
banner5.jpg
123 ms
banner3.jpg
184 ms
facebook.jpg
160 ms
twitter.png
174 ms
columns.gif
146 ms
ajax-loader.gif
151 ms
icons-18-white.png
176 ms
bg_page-top.jpg
156 ms
inpage_linkid.js
4 ms
__utm.gif
12 ms
281 ms
Default.aspx
103 ms
pd.js
6 ms
chemjobs.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
Links do not have a discernible name
chemjobs.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
chemjobs.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemjobs.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 Chemjobs.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.
chemjobs.com
Open Graph description is not detected on the main page of Chemjobs. 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: