2.3 sec in total
424 ms
1.8 sec
87 ms
Visit costco.bstock.com now to see the best up-to-date Costco Bstock content for United States and also check out these interesting facts you probably never knew about costco.bstock.com
The official B2B auction marketplace for Costco Wholesale Liquidation, selling grade A & B, member returns, unsold inventory, and grade C & D inventory to qualified business buyers. Register to bid on...
Visit costco.bstock.comWe analyzed Costco.bstock.com page load time and found that the first response time was 424 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
costco.bstock.com performance score
name
value
score
weighting
Value9.2 s
0/100
10%
Value13.7 s
0/100
25%
Value17.2 s
0/100
10%
Value15,760 ms
0/100
30%
Value0.234
53/100
15%
Value34.2 s
0/100
10%
424 ms
170 ms
280 ms
173 ms
178 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 38% of them (21 requests) were addressed to the original Costco.bstock.com, 11% (6 requests) were made to Assets.zendesk.com and 5% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (471 ms) relates to the external source Api.segment.io.
Page size can be reduced by 565.4 kB (60%)
943.6 kB
378.2 kB
In fact, the total size of Costco.bstock.com main page is 943.6 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. Javascripts take 486.2 kB which makes up the majority of the site volume.
Potential reduce by 18.8 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 18.8 kB or 71% of the original size.
Potential reduce by 9.7 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. Costco Bstock images are well optimized though.
Potential reduce by 282.5 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 282.5 kB or 58% of the original size.
Potential reduce by 254.4 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. Costco.bstock.com needs all CSS files to be minified and compressed as it can save up to 254.4 kB or 89% of the original size.
Number of requests can be reduced by 38 (78%)
49
11
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Costco Bstock. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
costco.bstock.com
424 ms
polyfiller.min.js
170 ms
styles.css
280 ms
jquery.fancybox.css
173 ms
jquery.qtip.css
178 ms
alertify.core.css
175 ms
alertify.bootstrap.css
175 ms
custom.css
224 ms
font-awesome.min.css
224 ms
c601fea31f58522404962532d0181b51.js
391 ms
zenbox.css
20 ms
zenbox.js
19 ms
gtm.js
74 ms
ga.js
44 ms
analytics.min.js
73 ms
logo_2x.png
161 ms
landing_logo.jpg
164 ms
landing.jpg
241 ms
bstock.png
72 ms
shim.css
148 ms
3.js
142 ms
form-shim-extend.js
142 ms
canvas-blob.js
208 ms
__utm.gif
100 ms
__utm.gif
95 ms
p
471 ms
analytics.js
51 ms
munchkin.js
83 ms
bat.js
84 ms
insight.min.js
198 ms
conversion_async.js
76 ms
bstockbeacon.php
370 ms
close_big.png
36 ms
main.js
60 ms
mixpanel-2-latest.min.js
190 ms
munchkin.js
52 ms
loading.html
172 ms
fbevents.js
210 ms
linkid.js
23 ms
fontawesome-webfont.woff
178 ms
118 ms
munchkin.js
9 ms
collect
109 ms
collect
161 ms
visitWebPage
125 ms
error_pages.css
14 ms
94 ms
36 ms
ga-audiences
40 ms
31 ms
1108564842487818
17 ms
17 ms
form-validation.js
60 ms
jquery.ui.position.js
57 ms
18 ms
costco.bstock.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
Image elements do not have [alt] attributes
costco.bstock.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
costco.bstock.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Costco.bstock.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 Costco.bstock.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.
costco.bstock.com
Open Graph description is not detected on the main page of Costco Bstock. 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: