Google PageSpeed Insights
The tool will help determine how efficiently the loading occurs when requests are made from computers or other devices. In this case, the verification criterion will not be seconds or quantiles, but points, like in school. The optimal site loading time will be 85 points and above. If the score is lower, then it is worth doing page optimization.
Analytical systems for assessing the speed manufacturing email list of sites are constantly changing. That is, assessments taken at different times may not match.
PageSpeed Insights shows results such as:
the time from sending the request until the top of the page began to appear;
time for the full page load (all elements).
To obtain accurate and up-to-date data, the tool only takes into account independent site parameters: server functions, external data storage, code optimization.
At the end you will receive a report designed in three colors, where:
green means that no problems were found or the errors are minor and do not affect the functionality of the site;
yellow color - minor errors were found that can be easily corrected without taking much time;
red color - a number of changes need to be made to improve the site speed and its overall optimization.
5. YSlow
YSlow
The tool tests page loading times in several stages:
DOM scanning . Helps to detect all page elements (videos and images, codes, etc.).
Collect information about the weight of each element (including irrelevant headers and archived components).
Analysis and evaluation of collected data.
The service is guided by 23 requirements. In Chrome, you can use the extension for free, as well as use the GTmetrix tool for reporting.
6. GTmetrix
GTmetrix
The server is located in Canada (Vancouver). The tool allows you to analyze the load using Google PageSpeed and YSlow.
The service is easy to use. Just paste the URL and click "Analyze". The result will be sorting the objects from the worst indicator and up. This will give the user a complete picture of the places that need to be improved.
The result of the check will be divided into estimates from PageSpeed and YSlow. The difference in reports may be present because the two services have different ways of processing data, which creates differences in reporting.
If you are not a newbie to GTmetrix, use the "Waterfall" function. It will list the files that exist on the page and their specified speeds. The service also provides the ability to download a report in PDF format. The service itself visually resembles the tool in Chrome or Firebug Net Panel.
The reports are saved in history, which is very useful. You can compare the data in subsequent work analyses.
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7. Web Page Analyzer
An easy-to-use online tool is similar to the services described above. Just paste the URL into the line and start checking. Once the request is sent, you will need to confirm that you are not a robot. Waiting for a response from the site will not be long. As a result, the system will give you a small report with the results: the loading speed of each element, as well as the total page loading time.
The table report contains information about all pages of the site with parameters. There is also a comment field. Below are tips on how to better optimize and fill the resource with data.
8. Pingdom Tools
Pingdom Tools
An easy-to-use service that determines the functionality and loading time of a website. The webmaster has access to the function of changing the server geolocation (three points to choose from: Australia, America and Sweden). In https://tools.pingdom.com/ we copy the website we need, select the server and start the test.
The online service will give you a list of indicators and their values. The advantage of the service is that it evaluates the speed based on a large list of parameters. By clicking on the item you are interested in, you will see detailed information about the problem.
Each request in the report is checked and displayed by characteristics (styles, files, codes, scripts). With the help of the report, it is quite easy to find out where the problem is, what on the site negatively affects its speed, what needs to be optimized, etc.
9. Which Load Faster
The online service Which Load Faster compares page characteristics and their loading speed for two sites. For example, your resource and a competitor's site.
Starting the test is easy: just paste the required address into the line and click "GO". The site will start loading, and you will see what is happening in real time. The screen will be divided into two parts. Unfortunately, additional criteria and parameters are not provided in the report.
Each time the test results will differ from each other, sometimes by a significant percentage. Each resource can be analyzed separately.
Google PageSpeed Insights
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