Access instantzipper.com. Zipper Repair Kits | Replacement Zipper Pulls

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value12.2 s

16/100

10%

instantzipper.com

34 ms

www.fixnzip.com

268 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Instantzipper.com, 50% (1 request) were made to Fixnzip.com. The less responsive or slowest element that took the longest time to load (268 ms) relates to the external source Fixnzip.com.

Content Size

884.3 kB

After Optimization

813.0 kB

In fact, the total size of Instantzipper.com main page is 884.3 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 691.8 kB which makes up the majority of the site volume.

HTML Optimization

-33%

Potential reduce by 45 B

Original 138 B
After minification 136 B
After compression 93 B

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 45 B or 33% of the original size.

Image Optimization

-9%

Potential reduce by 65.6 kB

Original 691.8 kB
After minification 626.2 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. Instant Zipper images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 3.7 kB

Original 135.7 kB
After minification 135.7 kB
After compression 132.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.9 kB

Original 56.6 kB
After minification 56.6 kB
After compression 54.7 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. Instantzipper.com has all CSS files already compressed.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

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

instantzipper.com

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