Access kol-bg.com. Коледжиков | Професионални машини и техника от 1991 г.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

kol-bg.com

1192 ms

sh2_orange.css

415 ms

functions.js

282 ms

jquery-1.1.3.1.js

590 ms

overlib.js

599 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 90% of them (63 requests) were addressed to the original Kol-bg.com, 7% (5 requests) were made to Econt.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kol-bg.com.

Content Size

1.1 MB

After Optimization

825.8 kB

In fact, the total size of Kol-bg.com main page is 1.1 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. 30% of websites need less resources to load. Images take 833.9 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 111.3 kB

Original 119.6 kB
After minification 66.9 kB
After compression 8.3 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 52.7 kB, which is 44% 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 111.3 kB or 93% of the original size.

Image Optimization

-7%

Potential reduce by 60.6 kB

Original 833.9 kB
After minification 773.3 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. Kol Bg images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 95.8 kB

Original 139.3 kB
After minification 97.3 kB
After compression 43.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 95.8 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 8.8 kB

Original 9.6 kB
After minification 7.0 kB
After compression 832 B

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. Kol-bg.com needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 91% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kol Bg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

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 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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

robots.txt is not valid

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

BG
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kol-bg.com can be misinterpreted by Google and other search engines. Our service has detected that Bulgarian 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 Kol-bg.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

kol-bg.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Коледжиков | Професионални машини и техника от 1991 г.

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)

Network Requests Diagram

kol-bg.com

sh2_orange.css

functions.js

jquery-1.1.3.1.js

overlib.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kol-bg.com

sh2_orange.css

functions.js

jquery-1.1.3.1.js

overlib.js

absolute_left.gif

company_logo_bg.jpg

search.gif

btn_search_new.gif

catalogue.gif

kare.jpg

enter.gif

bg.gif

en.gif

koledjikovbg.jpg

freedelivery_kolbg.jpg

catalog00000144.jpg

catalog00000073.jpg

catalog00000164.jpg

catalog00000179.jpg

catalog00000181.jpg

catalog00000197.jpg

catalog00000198.JPG

catalog00000203.jpg

catalog00000199.jpg

catalog00000134.jpg

catalog00000039.jpg

catalog00000024.jpg

catalog00000053.jpg

catalog00000018.jpg

catalog00000086.jpg

catalog00000072.jpg

catalog00000017.jpg

catalog00000019.jpg

catalog00000012.jpg

catalog00000142.jpg

catalog00000041.jpg

catalog00000045.jpg

catalog00000038.jpg

catalog00000130.jpg

analytics.js

catalog00000192.JPG

collect