Access petergen.com. Генеалогия Родословные Фамилии Биографии Персоналия Древа: Петербургский генеалогический портал

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.968

3/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

petergen.com

1090 ms

index.css

246 ms

keyboard.js

489 ms

keyboard.css

254 ms

top100.cnt

264 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 75% of them (61 requests) were addressed to the original Petergen.com, 4% (3 requests) were made to Counter.yadro.ru and 4% (3 requests) were made to Acint.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Petergen.com.

Content Size

625.8 kB

After Optimization

453.1 kB

In fact, the total size of Petergen.com main page is 625.8 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 437.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 113.2 kB

Original 131.9 kB
After minification 103.5 kB
After compression 18.7 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 28.4 kB, which is 22% 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 113.2 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 14.7 kB

Original 437.8 kB
After minification 423.1 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. Petergen images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 41.4 kB

Original 51.7 kB
After minification 35.1 kB
After compression 10.3 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 41.4 kB or 80% of the original size.

CSS Optimization

-77%

Potential reduce by 3.3 kB

Original 4.3 kB
After minification 3.7 kB
After compression 1.0 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. Petergen.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petergen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petergen.com can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Petergen.com main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

petergen.com

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

Генеалогия Родословные Фамилии Биографии Персоналия Древа: Петербургский генеалогический портал

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

petergen.com

index.css

keyboard.js

keyboard.css

top100.cnt

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

petergen.com

index.css

keyboard.js

keyboard.css

top100.cnt

today.php3

banner-88x31-rambler-gray2.gif

logo

catalog.gif

cycounter

counter.dll

tomorow.php3

bg.gif

logo1.gif

logo2.gif

logo3.jpg

medaltop.jpg

logo4.gif

logo_rus.jpg

logo5.gif

logo_eng.jpg

logo6.gif

logo7.jpg

brusa.jpg

pcgenealogy.gif

gymnasiummay.gif

eusp4.gif

gde-najti-gerbsm.jpg

petergen15sm.jpg

matrpn1sm.jpg

feninysm.jpg

spdvn_podole1913sm.jpg

ubitof-dv-polk1850sm.jpg

genves42sm.jpg

genves45sm.jpg

genves46sm.jpg

genves47sm.jpg

genves48sm.jpg

genves49sm.jpg

genves50sm.jpg

malorodo5-3.jpg

spb3gimnazsm.jpg

svads.jpg