1.6 sec in total
88 ms
1 sec
466 ms
Visit vexrobotics.com now to see the best up-to-date VEX Robotics content for China and also check out these interesting facts you probably never knew about vexrobotics.com
Homepage overview of VEX Robotics.
Visit vexrobotics.comWe analyzed Vexrobotics.com page load time and found that the first response time was 88 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
vexrobotics.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value37.7 s
0/100
25%
Value24.4 s
0/100
10%
Value5,590 ms
0/100
30%
Value0.11
87/100
15%
Value41.2 s
0/100
10%
88 ms
547 ms
128 ms
12 ms
13 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 59% of them (35 requests) were addressed to the original Vexrobotics.com, 27% (16 requests) were made to Content.vexrobotics.com and 3% (2 requests) were made to Cdn.ywxi.net. The less responsive or slowest element that took the longest time to load (547 ms) belongs to the original domain Vexrobotics.com.
Page size can be reduced by 914.5 kB (47%)
1.9 MB
1.0 MB
In fact, the total size of Vexrobotics.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. 60% of websites need less resources to load. Javascripts take 944.7 kB which makes up the majority of the site volume.
Potential reduce by 57.5 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 57.5 kB or 85% of the original size.
Potential reduce by 12.6 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. VEX Robotics images are well optimized though.
Potential reduce by 689.7 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 689.7 kB or 73% of the original size.
Potential reduce by 154.6 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. Vexrobotics.com needs all CSS files to be minified and compressed as it can save up to 154.6 kB or 80% of the original size.
Number of requests can be reduced by 33 (58%)
57
24
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VEX Robotics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
vexrobotics.com
88 ms
www.vexrobotics.com
547 ms
index.php
128 ms
addOptionNote.js
12 ms
convertRegionCountry.js
13 ms
reset.css
11 ms
boxes.css
24 ms
clears.css
10 ms
menu.css
12 ms
custom.css
12 ms
ifi-screen.css
13 ms
custom26.css
14 ms
jquery-1.8.min.js
16 ms
jquery.cookie.js
12 ms
jquery.fancybox.css
13 ms
jquery.fancybox.pack.js
13 ms
jquery.fancybox-buttons.css
14 ms
jquery.fancybox-buttons.js
15 ms
jquery.fancybox-media.js
14 ms
jquery.fancybox-thumbs.css
15 ms
jquery.fancybox-thumbs.js
16 ms
jquery-ui.min.css
18 ms
jquery-ui.structure.min.css
15 ms
jquery-ui.theme.min.css
18 ms
jquery-ui.min.js
22 ms
jwplayer.js
21 ms
nivo-slider.css
19 ms
jquery.nivo.slider.pack.js
18 ms
flowplayer-3.2.6.min.js
19 ms
1.js
303 ms
analytics.js
54 ms
aksb.min.js
35 ms
VEX_Robotics_Gray_Webpage.png
82 ms
vex-logo-205-100.png
63 ms
VEX_Robotics_Navi_Bar_4.png
63 ms
Magnifying_Glass.png
64 ms
VEX_IQ_Tile_5.png
68 ms
gray-line.jpg
64 ms
VEX_EDR_Tile_4.png
71 ms
m-line.jpg
64 ms
VRC_Tile_5.png
74 ms
l-line.jpg
66 ms
VEX_PRO_Tile_4.png
69 ms
Partner_Portals_Tile.png
67 ms
STEM_Event_Partners_Tile_6.png
67 ms
STEM_PLTW_Tile_5.png
69 ms
STEM_Best_Tile_5.png
71 ms
IFI_S_INTfull_White.png
72 ms
spacer.gif
18 ms
shop_access_pipe.gif
16 ms
nav_divider.gif
16 ms
subifi_113x35.jpg
14 ms
script.js
37 ms
ifi-print.css
4 ms
print.css
5 ms
collect
26 ms
GSID.ashx
24 ms
GetTemplate.ashx
25 ms
host.js
94 ms
vexrobotics.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
vexrobotics.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
vexrobotics.com 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
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 Vexrobotics.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 Vexrobotics.com 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.
vexrobotics.com
Open Graph description is not detected on the main page of VEX Robotics. 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: