23.4 sec in total
532 ms
21.9 sec
1 sec
Click here to check amazing Investor Costco content for United States. Otherwise, check out these important facts you probably never knew about investor.costco.com
The Investor Relations website contains information about Costco Wholesale Corporation's business for stockholders, potential investors, and financial analysts.
Visit investor.costco.comWe analyzed Investor.costco.com page load time and found that the first response time was 532 ms and then it took 22.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
investor.costco.com performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value7.9 s
3/100
25%
Value6.2 s
44/100
10%
Value4,120 ms
1/100
30%
Value0.421
23/100
15%
Value11.2 s
20/100
10%
532 ms
205 ms
445 ms
275 ms
284 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 74% of them (17 requests) were addressed to the original Investor.costco.com, 13% (3 requests) were made to Cdn.cookielaw.org and 4% (1 request) were made to Api.nasdaqomx.wallst.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Investor.costco.com.
Page size can be reduced by 54.1 kB (51%)
105.4 kB
51.2 kB
In fact, the total size of Investor.costco.com main page is 105.4 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. 55% of websites need less resources to load. Javascripts take 47.9 kB which makes up the majority of the site volume.
Potential reduce by 33.8 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. This page needs HTML code to be minified as it can gain 5.0 kB, which is 11% 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 33.8 kB or 75% of the original size.
Potential reduce by 2.3 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, Investor Costco needs image optimization as it can save up to 2.3 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 18.0 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 18.0 kB or 37% of the original size.
Number of requests can be reduced by 12 (60%)
20
8
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Investor Costco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
investor.costco.com
532 ms
css_jws8I1EW_UQNrpJQMXsjpuuGccMB5TC8HuGfV2WcykM.css
205 ms
css_aJHrU80BP3gDOkLKovveb6dz4xuS2ojgKcONASpSr5o.css
445 ms
modernizr.min.js
275 ms
modernizr-additional-tests.js
284 ms
otSDKStub.js
47 ms
4aa1b8e1
74 ms
js_amYx13EWvsOLwySxbiyPvqh6UZhbKeziQ4OLzZwQxtc.js
562 ms
2653cf4b-5c84-40d7-a99b-fa6e1592503b.json
54 ms
chart
474 ms
background_sides.png
378 ms
header.png
374 ms
costco_wholesale_214_64.png
39 ms
vertical-gradients.png
372 ms
print.png
425 ms
feed2.png
475 ms
alarm2.png
225 ms
Annual%20Report%20Picture.png
284 ms
location
204 ms
ndqfonticons.woff
698 ms
otBannerSdk.js
14 ms
css_uR7CBnjEs5VZNOTbN5egaIVEsuJ_uLDLaCxQpDsgq_0.css
19860 ms
nr-1216.min.js
21 ms
investor.costco.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.
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
Definition list items are not wrapped in <dl> elements
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
investor.costco.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
Missing source maps for large first-party JavaScript
investor.costco.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Investor.costco.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 Investor.costco.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.
investor.costco.com
Open Graph data is detected on the main page of Investor Costco. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: