2.3 sec in total
180 ms
1.9 sec
180 ms
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Visit developer.izettle.comWe analyzed Developer.izettle.com page load time and found that the first response time was 180 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.
developer.izettle.com performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value11.9 s
0/100
25%
Value3.5 s
88/100
10%
Value1,430 ms
15/100
30%
Value0
100/100
15%
Value9.4 s
31/100
10%
180 ms
554 ms
54 ms
366 ms
377 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Developer.izettle.com, 37% (17 requests) were made to Cdn.izettle.com and 15% (7 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdn.izettle.com.
Page size can be reduced by 928.8 kB (50%)
1.9 MB
927.8 kB
In fact, the total size of Developer.izettle.com main page is 1.9 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. 55% of websites need less resources to load. Javascripts take 798.6 kB which makes up the majority of the site volume.
Potential reduce by 30.1 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. 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 30.1 kB or 71% of the original size.
Potential reduce by 21.1 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. Developer Izettle images are well optimized though.
Potential reduce by 538.1 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 538.1 kB or 67% of the original size.
Potential reduce by 339.5 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. Developer.izettle.com needs all CSS files to be minified and compressed as it can save up to 339.5 kB or 88% of the original size.
Number of requests can be reduced by 22 (69%)
32
10
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developer Izettle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
developer.izettle.com
180 ms
developer
554 ms
277476176.js
54 ms
basic-f5bab8a5e1f314a32e05b38cfba533a1f0090b30646a56984317aef9ac17389e.css
366 ms
layout-2e259ad5b11f0c310f54a767adcece4d70fc416e4dac8cf4b7f61d00d000dd2a.css
377 ms
event
34 ms
application-ec9ba47d78283438853b0a95e8525ee621b97092043f92702049a541b322a62a.js
380 ms
testimonial-2.png
388 ms
testimonial-3.png
387 ms
billboard-devices_2x.png
1081 ms
testimonial-1.png
634 ms
gtm.js
139 ms
billboard-tile.png
370 ms
sprite.png
46 ms
zent-regular.woff
8 ms
zent-medium.woff
70 ms
zent-light.woff
70 ms
zent-bold.woff
69 ms
zent-extrabold.woff
70 ms
dingbatz-regular.woff
70 ms
dingbatz-bold.woff
70 ms
dingbatz.woff
70 ms
analytics.js
87 ms
conversion_async.js
112 ms
ga.js
98 ms
fbds.js
221 ms
hotjar-24226.js
155 ms
fbevents.js
260 ms
ec.js
17 ms
inpage_linkid.js
20 ms
collect
105 ms
44 ms
collect
25 ms
__utm.gif
23 ms
modules-41154dcc2471ae5ffaca14bb84e00edb.js
41 ms
collect
70 ms
58 ms
119 ms
126 ms
140 ms
142 ms
ga-audiences
19 ms
100 ms
nr-885.min.js
124 ms
24 ms
24 ms
developer.izettle.com 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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
developer.izettle.com 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
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
developer.izettle.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Developer.izettle.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 Developer.izettle.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.
developer.izettle.com
Open Graph data is detected on the main page of Developer Izettle. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: