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About Website

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HARTBLEI - Tilt, shift, and tilt-shift lenses and adapters. Soviet and Germany vintage cameras, lenses and accessories.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

www.hartblei.com

513 ms

font-awesome.min.css

98 ms

blueimp-gallery.min.css

194 ms

bootstrap-image-gallery.min.css

290 ms

bootstrap.min.css

389 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 89% of them (33 requests) were addressed to the original Hartblei.com, 8% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (587 ms) belongs to the original domain Hartblei.com.

Content Size

377.5 kB

After Optimization

235.9 kB

In fact, the total size of Hartblei.com main page is 377.5 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. 25% of websites need less resources to load. Images take 247.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 14.5 kB

Original 18.2 kB
After minification 13.1 kB
After compression 3.6 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 5.1 kB, which is 28% 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 14.5 kB or 80% of the original size.

Image Optimization

-50%

Potential reduce by 123.5 kB

Original 247.7 kB
After minification 124.1 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. Obviously, HARTBLEI needs image optimization as it can save up to 123.5 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 484 B

Original 67.5 kB
After minification 67.5 kB
After compression 67.0 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

-7%

Potential reduce by 3.1 kB

Original 44.1 kB
After minification 44.1 kB
After compression 41.1 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. Hartblei.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HARTBLEI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Hartblei.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 Hartblei.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

hartblei.com

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

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Performance

Accessibility

Best Practices

SEO

HARTBLEI - Tilt, shift, and tilt-shift lenses and adapters. Soviet and Germany vintage cameras, lenses and accessories.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)