678 ms in total
126 ms
438 ms
114 ms
Welcome to d4cost.com homepage info - get ready to check D4 Cost best content right away, or after learning these important things about d4cost.com
Design Cost Data - The #1 industry source for square foot cost data based on actual building projects
Visit d4cost.comWe analyzed D4cost.com page load time and found that the first response time was 126 ms and then it took 552 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
d4cost.com performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value15.4 s
0/100
25%
Value9.4 s
12/100
10%
Value2,140 ms
6/100
30%
Value0.681
8/100
15%
Value14.1 s
9/100
10%
126 ms
155 ms
34 ms
48 ms
56 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 97% of them (34 requests) were addressed to the original D4cost.com, 3% (1 request) were made to Seal.thawte.com. The less responsive or slowest element that took the longest time to load (314 ms) belongs to the original domain D4cost.com.
Page size can be reduced by 11.3 kB (17%)
66.7 kB
55.4 kB
In fact, the total size of D4cost.com main page is 66.7 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. Only 5% of websites need less resources to load. Images take 52.2 kB which makes up the majority of the site volume.
Potential reduce by 8.3 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 8.3 kB or 73% of the original size.
Potential reduce by 977 B
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. D4 Cost images are well optimized though.
Potential reduce by 2.0 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 2.0 kB or 66% of the original size.
Number of requests can be reduced by 26 (79%)
33
7
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D4 Cost. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
d4cost.com
126 ms
getthawteseal
155 ms
how2.gif
34 ms
how1.gif
48 ms
key2.gif
56 ms
key1.gif
59 ms
prod2.gif
59 ms
prod1.gif
59 ms
demo2.gif
63 ms
demo1.gif
69 ms
dload2.gif
86 ms
dload1.gif
87 ms
praise2.gif
87 ms
praise1.gif
87 ms
faq2.gif
90 ms
faq1.gif
88 ms
tech2.gif
115 ms
tech1.gif
116 ms
contact2.gif
118 ms
contact1.gif
119 ms
cart2.gif
108 ms
cart1.gif
120 ms
back.gif
128 ms
logo.gif
140 ms
blue1.gif
141 ms
blueback.gif
142 ms
tagline.gif
143 ms
clear.gif
145 ms
cartpre.cgi
247 ms
bkz_banner_sm_y.jpg
219 ms
dcd.gif
169 ms
d4net.gif
198 ms
clear.gif
170 ms
precon_image.jpg
314 ms
redbar.gif
51 ms
d4cost.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 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.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
d4cost.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
d4cost.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
Tap targets are not sized appropriately
EN
EN
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D4cost.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 D4cost.com main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
d4cost.com
Open Graph description is not detected on the main page of D4 Cost. 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: