9.1 sec in total
611 ms
6.5 sec
2 sec
Visit react.amsterdam now to see the best up-to-date React content for United States and also check out these interesting facts you probably never knew about react.amsterdam
React Summit is an in-person and remote first (hybrid) conference of all things React, gathering OSS authors, top trainers and speakers, as well as web engineers across the globe to meet in Amsterdam ...
Visit react.amsterdamWe analyzed React.amsterdam page load time and found that the first response time was 611 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
react.amsterdam performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value6.6 s
8/100
25%
Value5.5 s
55/100
10%
Value1,470 ms
14/100
30%
Value0.486
17/100
15%
Value19.2 s
2/100
10%
611 ms
162 ms
33 ms
152 ms
186 ms
Our browser made a total of 188 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original React.amsterdam, 44% (82 requests) were made to Media.graphassets.com and 23% (43 requests) were made to Reactsummit.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Connect.facebook.net.
Page size can be reduced by 194.8 kB (4%)
4.9 MB
4.7 MB
In fact, the total size of React.amsterdam main page is 4.9 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. 85% 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 4.6 MB which makes up the majority of the site volume.
Potential reduce by 162.1 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 34.9 kB, which is 18% 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 162.1 kB or 84% of the original size.
Potential reduce by 13.6 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. React images are well optimized though.
Potential reduce by 19.2 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 19.2 kB or 16% of the original size.
Number of requests can be reduced by 36 (36%)
99
63
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of React. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.
react.amsterdam
611 ms
reactsummit.com
162 ms
app41b241.css
33 ms
css2
152 ms
optimize.js
186 ms
email-decode.min.js
80 ms
js
267 ms
app6d4138.js
159 ms
js
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js
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v652eace1692a40cfa3763df669d7439c1639079717194
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logo.svg
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ticket_img_3.png
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head.svg
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place-logo.png
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map-img.svg
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boat_1_1.jpg
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boat_1_2.jpg
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boat_1_3.jpg
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boat_1_4.jpg
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boat_1_5.jpg
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boat_2_2.jpg
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boat_3_2.jpg
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boat_3_4.jpg
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boat_3_5.jpg
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faces.png
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smile.svg
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ticket_img_5.png
456 ms
ticket_img_1.png
456 ms
ticket_img_2.png
512 ms
sprite.svg
467 ms
hero.jpg
620 ms
event-bg.svg
473 ms
leaf.svg
579 ms
facebook-circle.svg
572 ms
features-grid_15.jpg
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features-grid_9.jpg
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features-grid_3.jpg
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features-grid_4.jpg
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features-grid_5.jpg
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features-grid_7.jpg
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features-grid_6.jpg
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features-grid_14.jpg
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sprite.svg
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ticket_bg_3.png
904 ms
ticket_bg_4.png
898 ms
ticket_bg_1.png
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ticket_bg_2.png
1012 ms
quake.gif
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GothamPro.woff
1066 ms
GothamPro-Medium.woff
975 ms
GothamPro-Light.woff
984 ms
GothamPro-Bold.woff
1066 ms
GothamPro-Black.woff
1044 ms
place-bg.jpg
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place2.jpg
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place3.jpg
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fleet1.jpg
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fleet2.jpg
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fleet3.jpg
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bg-diversity.png
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diversity-dot.svg
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diversity-arrow.svg
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gen_204
236 ms
common.js
310 ms
util.js
348 ms
map.js
304 ms
marker.js
339 ms
track.js
523 ms
uwt.js
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fbevents.js
5076 ms
js
176 ms
js
319 ms
insight.min.js
533 ms
547 ms
js
381 ms
analytics.js
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openhand_8_8.cur
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onion.js
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ViewportInfoService.GetViewportInfo
201 ms
track.gif
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transparent.png
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marker.svg
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boats-location.png
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collect
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icon_error.png
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controls.js
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react.amsterdam 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
react.amsterdam 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
react.amsterdam SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise React.amsterdam 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 React.amsterdam 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.
react.amsterdam
Open Graph data is detected on the main page of React. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: