2.8 sec in total
730 ms
1.7 sec
338 ms
Visit ww1.iucr.org now to see the best up-to-date Ww 1 IUCr content for China and also check out these interesting facts you probably never knew about ww1.iucr.org
Visit ww1.iucr.orgWe analyzed Ww1.iucr.org page load time and found that the first response time was 730 ms and then it took 2.1 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.
ww1.iucr.org performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value0.6 s
100/100
25%
Value0.8 s
100/100
10%
Value0 ms
100/100
30%
Value0.014
100/100
15%
Value0.6 s
100/100
10%
730 ms
800 ms
274 ms
274 ms
276 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 13% of them (3 requests) were addressed to the original Ww1.iucr.org, 88% (21 requests) were made to Iucr.org. The less responsive or slowest element that took the longest time to load (800 ms) relates to the external source Iucr.org.
Page size can be reduced by 133.5 kB (45%)
296.4 kB
163.0 kB
In fact, the total size of Ww1.iucr.org main page is 296.4 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. Only 5% of websites need less resources to load. Images take 152.3 kB which makes up the majority of the site volume.
Potential reduce by 46.0 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. This page needs HTML code to be minified as it can gain 19.0 kB, which is 38% 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 46.0 kB or 93% of the original size.
Potential reduce by 10.6 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. Ww 1 IUCr images are well optimized though.
Potential reduce by 58.0 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 58.0 kB or 80% of the original size.
Potential reduce by 18.8 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. Ww1.iucr.org needs all CSS files to be minified and compressed as it can save up to 18.8 kB or 87% of the original size.
Number of requests can be reduced by 14 (64%)
22
8
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ww 1 IUCr. 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 as a result speed up the page load time.
ww1.iucr.org
730 ms
ourstyle.css
800 ms
formrequest.js
274 ms
menupopup.js
274 ms
helpit.js
276 ms
overlib.js
554 ms
overlib_anchor.js
369 ms
overlib_shadow.js
486 ms
iucr.gif
91 ms
header.png
458 ms
iucr.gif
96 ms
opaque.png
95 ms
bgfull.png
90 ms
myarrow.png
92 ms
myarrow.png
178 ms
bg.png
181 ms
maincont_tl.png
371 ms
maincont_tr.png
186 ms
maincont_bl.png
184 ms
maincont_br.png
266 ms
flines.png
269 ms
fedge.png
277 ms
bgfoot.png
277 ms
iucr.gif
92 ms
ww1.iucr.org accessibility score
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
Form elements do not have associated labels
Links do not have a discernible name
ww1.iucr.org 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
ww1.iucr.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ww1.iucr.org 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 Ww1.iucr.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
ww1.iucr.org
Open Graph description is not detected on the main page of Ww 1 IUCr. 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: