2.4 sec in total
131 ms
1.9 sec
356 ms
Click here to check amazing Sciencesource content for United States. Otherwise, check out these important facts you probably never knew about sciencesource.com
The best in stock photography, specializing in Science, Medical and Nature images and video.
Visit sciencesource.comWe analyzed Sciencesource.com page load time and found that the first response time was 131 ms and then it took 2.3 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.
sciencesource.com performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value10.8 s
0/100
25%
Value8.5 s
17/100
10%
Value350 ms
73/100
30%
Value0
100/100
15%
Value9.8 s
28/100
10%
131 ms
69 ms
45 ms
632 ms
346 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Sciencesource.com, 44% (28 requests) were made to Use.typekit.net and 33% (21 requests) were made to Static1.squarespace.com. The less responsive or slowest element that took the longest time to load (716 ms) relates to the external source Use.typekit.net.
Page size can be reduced by 330.9 kB (15%)
2.2 MB
1.9 MB
In fact, the total size of Sciencesource.com main page is 2.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 72.1 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 11.3 kB, which is 13% 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 72.1 kB or 81% of the original size.
Potential reduce by 248.7 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, Sciencesource needs image optimization as it can save up to 248.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 10.1 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 10.1 kB or 34% of the original size.
Number of requests can be reduced by 7 (19%)
37
30
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencesource. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
www.sciencesource.com
131 ms
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jquery-1.11.3.min.js
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www.sciencesource.com
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sciencesource.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
button, link, and menuitem elements do not have accessible names.
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sciencesource.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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
sciencesource.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
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencesource.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Sciencesource.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.
sciencesource.com
Open Graph data is detected on the main page of Sciencesource. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: