2.4 sec in total
270 ms
1.5 sec
665 ms
Welcome to corning.com homepage info - get ready to check Corning best content for United States right away, or after learning these important things about corning.com
Corning Incorporated is a global-leading innovator in materials science, with 170 years of life-changing inventions and category-defining products.
Visit corning.comWe analyzed Corning.com page load time and found that the first response time was 270 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.
corning.com performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value2.7 s
86/100
25%
Value7.9 s
22/100
10%
Value2,990 ms
3/100
30%
Value0.028
100/100
15%
Value16.8 s
5/100
10%
270 ms
90 ms
45 ms
53 ms
36 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Corning.com and no external sources were called. The less responsive or slowest element that took the longest time to load (302 ms) belongs to the original domain Corning.com.
Page size can be reduced by 855.7 kB (37%)
2.3 MB
1.5 MB
In fact, the total size of Corning.com main page is 2.3 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. 75% 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 1.3 MB which makes up the majority of the site volume.
Potential reduce by 123.1 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 25.2 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 123.1 kB or 89% of the original size.
Potential reduce by 57.1 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. Corning images are well optimized though.
Potential reduce by 263.6 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 263.6 kB or 73% of the original size.
Potential reduce by 411.9 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. Corning.com needs all CSS files to be minified and compressed as it can save up to 411.9 kB or 86% of the original size.
Number of requests can be reduced by 4 (12%)
34
30
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.
index.aspx
270 ms
en.html
90 ms
bootstrap.min.css
45 ms
homepage.min.css
53 ms
eu-cookie.min.css
36 ms
regional-language-font.min.css
42 ms
modernizr.js
68 ms
print-style.css
85 ms
homepage.min.js
118 ms
eu-cookie.min.js
116 ms
logo-glass-bg.png
297 ms
mobile_320.jpg
298 ms
gloss-top-white.png
302 ms
mobile_320.jpg
301 ms
gloss-top-blue.png
302 ms
mobile_320.jpg
297 ms
mobile_320.jpg
297 ms
spacer.png
297 ms
mobile_320.jpg
297 ms
mobile_320.jpg
297 ms
mobile_320.jpg
296 ms
mobile_320.jpg
299 ms
mobile_320.jpg
296 ms
mobile_320.jpg
297 ms
footer.glossary.json
77 ms
TheSans_B2_700_.woff
75 ms
TheSans_B2_500_.woff
76 ms
TheSans_B2_500i.woff
76 ms
icomoon.woff
75 ms
Corning.woff
38 ms
retina_2048.jpg
278 ms
retina_2048.jpg
279 ms
retina_2048.jpg
279 ms
retina_2048.jpg
278 ms
retina_612.jpg
48 ms
retina_612.jpg
42 ms
retina_612.jpg
47 ms
retina_612.jpg
91 ms
retina_612.jpg
48 ms
retina_612.jpg
47 ms
retina_612.jpg
92 ms
corning.com accessibility score
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-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a valid value for its [lang] attribute.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
corning.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
corning.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 Corning.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 Corning.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.
corning.com
Open Graph data is detected on the main page of Corning. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: