1.3 sec in total
68 ms
584 ms
681 ms
Welcome to sd.postcodebase.com homepage info - get ready to check Sd Post Code Base best content for United States right away, or after learning these important things about sd.postcodebase.com
This is the South Dakota ZIP code website, which contains 413 ZIP codes, 444 cities, 67 counties, and more than 156,567 ZIP+4 codes. Each 9-digit ZIP code corresponds to one or several South Dakota ad...
Visit sd.postcodebase.comWe analyzed Sd.postcodebase.com page load time and found that the first response time was 68 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
sd.postcodebase.com performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value2.1 s
96/100
25%
Value12.6 s
3/100
10%
Value12,650 ms
0/100
30%
Value0.009
100/100
15%
Value27.4 s
0/100
10%
68 ms
38 ms
59 ms
96 ms
96 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 21% of them (9 requests) were addressed to the original Sd.postcodebase.com, 67% (28 requests) were made to Zip.postcodebase.com and 5% (2 requests) were made to A.pub.network. The less responsive or slowest element that took the longest time to load (347 ms) relates to the external source Zip.postcodebase.com.
Page size can be reduced by 153.2 kB (31%)
491.3 kB
338.0 kB
In fact, the total size of Sd.postcodebase.com main page is 491.3 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. 45% of websites need less resources to load. Javascripts take 263.4 kB which makes up the majority of the site volume.
Potential reduce by 34.8 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 10.0 kB, which is 24% 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 34.8 kB or 82% of the original size.
Potential reduce by 1.2 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. Sd Post Code Base images are well optimized though.
Potential reduce by 117.1 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 117.1 kB or 44% of the original size.
Potential reduce by 117 B
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. Sd.postcodebase.com has all CSS files already compressed.
Number of requests can be reduced by 25 (61%)
41
16
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sd Post Code Base. 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.
sd.postcodebase.com
68 ms
style.css
38 ms
cls.css
59 ms
pubfig.min.js
96 ms
js
96 ms
adsbygoogle.js
95 ms
clipboard.min.js
93 ms
rocket-loader.min.js
41 ms
v84a3a4012de94ce1a686ba8c167c359c1696973893317
98 ms
img_logo.png
102 ms
index.html
23 ms
bg_img.jpg
108 ms
right.svg
46 ms
sd.png
132 ms
homepage.png
135 ms
img_nav.png
32 ms
lang-switch.png
43 ms
img_close.png
29 ms
img_logo.png
52 ms
usa_zip.png
124 ms
icon_random_address.svg
43 ms
icon_query.svg
47 ms
icon_zip_addfour.svg
55 ms
icon_zipcode_distance.svg
65 ms
icon_datas.png
347 ms
img_city.png
238 ms
img_arrow_right.png
235 ms
img_county.png
147 ms
img_postcode.png
82 ms
img_envelope.png
127 ms
usa.jpg
146 ms
img_population.png
151 ms
shopping-cart.png
239 ms
datas-img.png
236 ms
img_state.png
237 ms
img_footer_logo.png
243 ms
img_return_top.png
238 ms
style.css
230 ms
sale.png
232 ms
bgimg.png
273 ms
rocket-loader.min.js
227 ms
js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js
27 ms
sd.postcodebase.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
sd.postcodebase.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Missing source maps for large first-party JavaScript
sd.postcodebase.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sd.postcodebase.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 Sd.postcodebase.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.
sd.postcodebase.com
Open Graph data is detected on the main page of Sd Post Code Base. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: