Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

giesemannusa.com

Broken Tank | CoralVue

Page Load Speed

1.1 sec in total

First Response

17 ms

Resources Loaded

983 ms

Page Rendered

114 ms

About Website

Visit giesemannusa.com now to see the best up-to-date Giesemannusa content and also check out these interesting facts you probably never knew about giesemannusa.com

CoralVue is one of North America's largest distributors of marine and freshwater aquaria products and represents a wide range of industry-leading brands including Reef Octopus, Abyzz, Fauna Marin, Ice...

Visit giesemannusa.com

Key Findings

We analyzed Giesemannusa.com page load time and found that the first response time was 17 ms and then it took 1.1 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.

Performance Metrics

giesemannusa.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

giesemannusa.com

17 ms

giesemann

62 ms

giesemann

626 ms

efab20045ea3467814bc75588440e3d4.min.css

73 ms

styles-l.min.css

31 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Giesemannusa.com, 73% (16 requests) were made to Coralvue.com and 9% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (626 ms) relates to the external source Coralvue.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 374.6 kB (48%)

Content Size

776.4 kB

After Optimization

401.8 kB

In fact, the total size of Giesemannusa.com main page is 776.4 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. 65% of websites need less resources to load. Javascripts take 306.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 144.9 kB

  • Original 185.8 kB
  • After minification 180.1 kB
  • After compression 40.9 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 144.9 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 539 B

  • Original 19.7 kB
  • After minification 19.2 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. Giesemannusa images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 355 B

  • Original 306.2 kB
  • After minification 306.2 kB
  • After compression 305.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-86%

Potential reduce by 228.8 kB

  • Original 264.6 kB
  • After minification 35.8 kB
  • After compression 35.8 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. Giesemannusa.com needs all CSS files to be minified and compressed as it can save up to 228.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (35%)

Requests Now

17

After Optimization

11

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Giesemannusa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

giesemannusa.com accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

giesemannusa.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

giesemannusa.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Giesemannusa.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 Giesemannusa.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.

Social Sharing Optimization

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