15.5 sec in total
199 ms
1.2 sec
14.1 sec
Welcome to linkeddatabook.com homepage info - get ready to check Linked Data Book best content for Algeria right away, or after learning these important things about linkeddatabook.com
This book gives an overview of the principles of Linked Data as well as the Web of Data that has emerged through the application of these principles. The book discusses patterns for publishing Linked ...
Visit linkeddatabook.comWe analyzed Linkeddatabook.com page load time and found that the first response time was 199 ms and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
linkeddatabook.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value2.1 s
96/100
25%
Value3.7 s
85/100
10%
Value4,010 ms
1/100
30%
Value0
100/100
15%
Value6.9 s
53/100
10%
199 ms
853 ms
737 ms
695 ms
686 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Linkeddatabook.com and no external sources were called. The less responsive or slowest element that took the longest time to load (853 ms) belongs to the original domain Linkeddatabook.com.
Page size can be reduced by 969.9 kB (32%)
3.0 MB
2.1 MB
In fact, the total size of Linkeddatabook.com main page is 3.0 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. 75% 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 2.6 MB which makes up the majority of the site volume.
Potential reduce by 358.0 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 358.0 kB or 75% of the original size.
Potential reduce by 611.9 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, Linked Data Book needs image optimization as it can save up to 611.9 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linked Data Book. According to our analytics all requests are already optimized.
linkeddatabook.com
199 ms
853 ms
LinkedDataBookCoverCropped.jpg
737 ms
FilmTeam3000withURIs_small.jpg
695 ms
LOD-Cloud-Growth_small.png
686 ms
lod-cloud_2010_small.png
773 ms
linkeddat_small.png
550 ms
D2RServerArchitecture.jpg
495 ms
MarblesTimBL_small.png
602 ms
SigmaSearchEngine.png
497 ms
GoogleRichSnippets.png
535 ms
GoogleAnswer.png
490 ms
USAidMashup_small.png
483 ms
TalisAspirePortsmouth_small.png
577 ms
Consumingarchitecture1_small.png
511 ms
heath_tom.jpg
121 ms
bizer_christian.png
115 ms
linkeddatabook.com accessibility score
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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
Links do not have a discernible name
linkeddatabook.com 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
linkeddatabook.com SEO score
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Linkeddatabook.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 Linkeddatabook.com 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.
linkeddatabook.com
Open Graph description is not detected on the main page of Linked Data Book. 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: