Access downdive.com. Downey Diving - SCUBA Instruction, Equipment, & Travel in the Cranberry Twp, Pittsburgh PA

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

downdive.com

56 ms

seabak4.gif

14 ms

bubbles-ani.gif

13 ms

oDwnydckc.gif

13 ms

CLASSON.gif

14 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Downdive.com and no external sources were called. The less responsive or slowest element that took the longest time to load (56 ms) belongs to the original domain Downdive.com.

Content Size

110.1 kB

After Optimization

100.7 kB

In fact, the total size of Downdive.com main page is 110.1 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. 20% of websites need less resources to load. Images take 98.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.7 kB

Original 11.7 kB
After minification 9.9 kB
After compression 3.1 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 1.9 kB, which is 16% 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 8.7 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 740 B

Original 98.4 kB
After minification 97.6 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. Downdive images are well optimized though.

Requests Now

After Optimization

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Downdive. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Downdive.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Downdive.com main page’s claimed encoding is iso-8859-1. 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Downdive. 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: