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izakscientific.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

izakscientific.com

Izak Scientific Main page: everything you need to know

Page Load Speed

8.1 sec in total

First Response

328 ms

Resources Loaded

6.3 sec

Page Rendered

1.4 sec

izakscientific.com screenshot

About Website

Click here to check amazing Izak Scientific content. Otherwise, check out these important facts you probably never knew about izakscientific.com

Izak Scientific Main page: everything you need to know about optic desigen and our long and rich experience

Visit izakscientific.com

Key Findings

We analyzed Izakscientific.com page load time and found that the first response time was 328 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

izakscientific.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value3,030 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

izakscientific.com

328 ms

izakscientific.com

2252 ms

dashicons.min.css

155 ms

chatbot-chatgpt.css

305 ms

woocommerce-layout.css

436 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 68% of them (107 requests) were addressed to the original Izakscientific.com, 18% (29 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Izakscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 743.3 kB (18%)

Content Size

4.1 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Izakscientific.com main page is 4.1 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. 80% 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 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 131.2 kB

  • Original 158.0 kB
  • After minification 151.0 kB
  • After compression 26.8 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. 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 131.2 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 197.5 kB

  • Original 2.9 MB
  • After minification 2.7 MB

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. Izak Scientific images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.1 kB

  • Original 439.8 kB
  • After minification 439.8 kB
  • After compression 437.7 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

-70%

Potential reduce by 412.5 kB

  • Original 588.7 kB
  • After minification 587.9 kB
  • After compression 176.2 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. Izakscientific.com needs all CSS files to be minified and compressed as it can save up to 412.5 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (53%)

Requests Now

120

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izak Scientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

izakscientific.com

izakscientific.com

328 ms

izakscientific.com

izakscientific.com

2252 ms

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dashicons.min.css

155 ms

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305 ms

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436 ms

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437 ms

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1177 ms

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Accessibility Review

izakscientific.com accessibility score

74

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Some elements have a [tabindex] value greater than 0

Best Practices

izakscientific.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

izakscientific.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

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

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 Izakscientific.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 Izakscientific.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

izakscientific.com

Open Graph data is detected on the main page of Izak Scientific. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: