5.3 sec in total
15 ms
4.6 sec
671 ms
Click here to check amazing Serialized content. Otherwise, check out these important facts you probably never knew about serialized.io
Event Sourcing for Professionals
Visit serialized.ioWe analyzed Serialized.io page load time and found that the first response time was 15 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
serialized.io performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value3.9 s
51/100
25%
Value3.9 s
82/100
10%
Value1,120 ms
23/100
30%
Value0
100/100
15%
Value7.4 s
49/100
10%
15 ms
29 ms
153 ms
53 ms
48 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Serialized.io, 10% (4 requests) were made to Use.fontawesome.com and 5% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Serialized.io.
Page size can be reduced by 427.3 kB (65%)
655.8 kB
228.5 kB
In fact, the total size of Serialized.io main page is 655.8 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. 50% of websites need less resources to load. HTML takes 443.6 kB which makes up the majority of the site volume.
Potential reduce by 386.5 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. 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 386.5 kB or 87% of the original size.
Potential reduce by 40.7 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, Serialized needs image optimization as it can save up to 40.7 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 105 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 0 B
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. Serialized.io has all CSS files already compressed.
Number of requests can be reduced by 11 (33%)
33
22
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serialized. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
serialized.io
15 ms
serialized.io
29 ms
all.css
153 ms
materialdesignicons.min.css
53 ms
polyfill.min.js
48 ms
state.js
1780 ms
fd27821.js
35 ms
6484f62.js
40 ms
d251e62.js
35 ms
e17d811.js
40 ms
3913061.js
42 ms
3c8eb67.js
39 ms
css2
41 ms
blue_bg.svg
1880 ms
fa-brands-400.woff
90 ms
fa-solid-900.woff
162 ms
fa-regular-400.woff
133 ms
materialdesignicons-webfont.woff
32 ms
js
909 ms
manifest.js
41 ms
payload.js
18 ms
logo.svg
187 ms
gx4yzwn8wfsk.js
278 ms
code.svg
503 ms
asynchronous.svg
537 ms
event-driven.svg
570 ms
secure.svg
685 ms
support.svg
567 ms
bmwgroup.png
683 ms
tnlbc.png
1030 ms
june.png
1058 ms
sum.png
1122 ms
netent.png
1076 ms
sbab.png
1043 ms
zettle.png
1122 ms
baloo.png
1558 ms
easyhr.png
1529 ms
encare.png
1610 ms
aws_marketplace.png
1119 ms
serialized.io accessibility score
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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
serialized.io best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
serialized.io SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serialized.io 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 Serialized.io 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.
serialized.io
Open Graph description is not detected on the main page of Serialized. 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: